tag:blogger.com,1999:blog-40301971495237714432024-02-19T10:37:25.111+01:00Common EmitterUnknownnoreply@blogger.comBlogger177125tag:blogger.com,1999:blog-4030197149523771443.post-85886050646851001382022-11-04T21:15:00.001+01:002022-11-04T21:15:57.975+01:00Plastic digital caliper<div class="separator" style="clear: both; text-align: left;">This is cheapest, plastic digital caliper, costing ~$3. LR44 cell probably would be not included, so be prepared. These cells are also dirt cheap (they can be bought in bulk, 10 pieces in a blister for a $1), but these calipers are known to consume them quickly even if not in use (thus cells should probably be removed when not in use).</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEgRcRmpuUvrLerwdiEiGE2w8nHaOAjlCZxbRFHGgH0uhESA-5Cyu1f1is3qyLZ92oCw638QF_eYCUhtjg7D_NUiphdzTSwLe7-1OBzJSN4ZVKoaSekWMSMdTqI-69he7GFzv99IjpTah0EM7CeGSJePWSlL-hXlIiLARi4wxg8d-MqyjLXafUdnw-rUxA" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="360" data-original-width="1000" height="115" src="https://blogger.googleusercontent.com/img/a/AVvXsEgRcRmpuUvrLerwdiEiGE2w8nHaOAjlCZxbRFHGgH0uhESA-5Cyu1f1is3qyLZ92oCw638QF_eYCUhtjg7D_NUiphdzTSwLe7-1OBzJSN4ZVKoaSekWMSMdTqI-69he7GFzv99IjpTah0EM7CeGSJePWSlL-hXlIiLARi4wxg8d-MqyjLXafUdnw-rUxA" width="320" /></a></div>Why you should reconsider buying these? First, as mentioned: cell may die when you most need it. I've also noticed some kind of failure after time (random LCD segments blinking) requiring to remove cell and insert it again.<div>Second: accuracy is very poor, maybe not as poor as specified (+/- 0.2 mm would be not funny at all), but jaws are uneven, so results with 0.1 mm differences are frequent.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEjJCXUx19rYrJuBe_MTyr5UVwjhSL9iLJD_TmvLrGzR6x1ddJxj3DoIKwEeWMLnEWNBg-DQFxK2oSXfkKOUgvoQ5IjGysPFuJ2ymnRLvrbeSd4feS-lP_hFLgQRn6dynegRUm2_NIvLN7KsXObok6D860Ks5xIHzF34BXKcVTFZU2AVcWsl9yCe_H-fig" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="819" data-original-width="1000" height="240" src="https://blogger.googleusercontent.com/img/a/AVvXsEjJCXUx19rYrJuBe_MTyr5UVwjhSL9iLJD_TmvLrGzR6x1ddJxj3DoIKwEeWMLnEWNBg-DQFxK2oSXfkKOUgvoQ5IjGysPFuJ2ymnRLvrbeSd4feS-lP_hFLgQRn6dynegRUm2_NIvLN7KsXObok6D860Ks5xIHzF34BXKcVTFZU2AVcWsl9yCe_H-fig" width="293" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEj9EPULccbkaueXj9FSMIth7zVhYThtMTFGrdCBspgMV11NIf_hNwKuAG2t8Xp1O5tDb-Ukj9DbUaPuBC1ex_2cRkeLNLZrYvrWcnkN0ONi_djLFd1O19ED86Y33I6_r_mCghVWer3BtAERcrsccAUMi3ICWMmFTz9vOOns1v7k2SUosKgUHGQlDLXxQA" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="541" data-original-width="800" height="216" src="https://blogger.googleusercontent.com/img/a/AVvXsEj9EPULccbkaueXj9FSMIth7zVhYThtMTFGrdCBspgMV11NIf_hNwKuAG2t8Xp1O5tDb-Ukj9DbUaPuBC1ex_2cRkeLNLZrYvrWcnkN0ONi_djLFd1O19ED86Y33I6_r_mCghVWer3BtAERcrsccAUMi3ICWMmFTz9vOOns1v7k2SUosKgUHGQlDLXxQA" width="320" /></a></div><br /><br /></div>Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-4030197149523771443.post-35978711785364307042022-10-30T19:50:00.000+01:002022-10-30T19:50:53.152+01:00DEERC D20 drone<p></p><div class="separator" style="clear: both; text-align: left;">Cheap, sub-$50 miniature drone with 720p camera.</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjh5SWHAdsS7TQuzZ5GsL_Kcy0od6l1tPcqJsxQHePKnlkJrYHgCdj0sBNc8lPQCz9WZxWAGDvGWlKL1PgH2eiqHttu_iA0pS3zCJqZMrmxUWqWlXMpV8wA2vhTOM-I9eK4hfcWvpG85KSOhS9Qvv-PmtLazEKROVm-Sk9lNvUTN5C0tFMpEbLN57e1dQ/s800/DEERC_D20_01.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="636" data-original-width="800" height="254" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjh5SWHAdsS7TQuzZ5GsL_Kcy0od6l1tPcqJsxQHePKnlkJrYHgCdj0sBNc8lPQCz9WZxWAGDvGWlKL1PgH2eiqHttu_iA0pS3zCJqZMrmxUWqWlXMpV8wA2vhTOM-I9eK4hfcWvpG85KSOhS9Qvv-PmtLazEKROVm-Sk9lNvUTN5C0tFMpEbLN57e1dQ/s320/DEERC_D20_01.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi9_OdUovdxBX1wSjOIjkFr3sKtUy-Rnk4jRLPR54FfIfACdKKPs7f5tLbNVZuZttpTMcGJ-JtngSs1c_cwPfvQ2FeqoDKRKnieM4WlTGDxK7ne3TdhgWkUD4Cl4aiVmzaELSxz_PxNpJroV0OViXEUR8TcTHUz-KsIaQkhlXqboHwm0Nenl15e8hmpnw/s1000/DEERC_D20_02.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="721" data-original-width="1000" height="231" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi9_OdUovdxBX1wSjOIjkFr3sKtUy-Rnk4jRLPR54FfIfACdKKPs7f5tLbNVZuZttpTMcGJ-JtngSs1c_cwPfvQ2FeqoDKRKnieM4WlTGDxK7ne3TdhgWkUD4Cl4aiVmzaELSxz_PxNpJroV0OViXEUR8TcTHUz-KsIaQkhlXqboHwm0Nenl15e8hmpnw/s320/DEERC_D20_02.jpg" width="320" /></a></div>Controller, two batteries, two USB chargers, spare blades, blade protectors, small screwdriver and drone itself.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjHKX59ecYbnHA_lcP8gVf1T8UMiBhcBGjA_ib1gZvF_KPNRiX607u8-0oNgb_IcQ50U1Pil6ofFM3diaV0Ek_m1wpFLmhKL-r1gO01kSdeK-PxWnbBq3UUuYRJ48TOG6Xfj2zDNwj69VApGuuw7YmQIlUyyIO8jcoX4V_Ns3ExETDbTzwcHBfbQ761Fw/s1000/DEERC_D20_03.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="521" data-original-width="1000" height="167" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjHKX59ecYbnHA_lcP8gVf1T8UMiBhcBGjA_ib1gZvF_KPNRiX607u8-0oNgb_IcQ50U1Pil6ofFM3diaV0Ek_m1wpFLmhKL-r1gO01kSdeK-PxWnbBq3UUuYRJ48TOG6Xfj2zDNwj69VApGuuw7YmQIlUyyIO8jcoX4V_Ns3ExETDbTzwcHBfbQ761Fw/s320/DEERC_D20_03.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEghxaE1WOWUUzlkuOUntZNlC75cQgubf3O7j6yAsesFcK2Uf-O9BoteoKXujqwen9jMGei6uNwzHzaQLylJJrIYiBWWszIEnD9BYTt8lEo5xuEbGmDEl4u9q_xM8-Nit0-7cOX28hi5ZkxpXb3rFOHChW33SlxaLgvkulztenaY0NwiGHSnf729Xei8Sg/s1000/DEERC_D20_04.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="680" data-original-width="1000" height="218" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEghxaE1WOWUUzlkuOUntZNlC75cQgubf3O7j6yAsesFcK2Uf-O9BoteoKXujqwen9jMGei6uNwzHzaQLylJJrIYiBWWszIEnD9BYTt8lEo5xuEbGmDEl4u9q_xM8-Nit0-7cOX28hi5ZkxpXb3rFOHChW33SlxaLgvkulztenaY0NwiGHSnf729Xei8Sg/s320/DEERC_D20_04.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgcyzO-46lMvis3Tt9nY2wGeeR6Ttqww6RZZekSnLrr7g1s8mIgucDwAsuxlHpoyyYd9WUK_qeIxJxIh03wQwqJ-TCBC0Bp4s4EM0_1Nt4A3HrzwBrMdLHS25eA9cc2dh5uPvUosA_RDs3h8IryS_oXZezeKN7SZ6IZGgnwxunlYtydJrqJtVMu2sPeWw/s1000/DEERC_D20_05.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="697" data-original-width="1000" height="223" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgcyzO-46lMvis3Tt9nY2wGeeR6Ttqww6RZZekSnLrr7g1s8mIgucDwAsuxlHpoyyYd9WUK_qeIxJxIh03wQwqJ-TCBC0Bp4s4EM0_1Nt4A3HrzwBrMdLHS25eA9cc2dh5uPvUosA_RDs3h8IryS_oXZezeKN7SZ6IZGgnwxunlYtydJrqJtVMu2sPeWw/s320/DEERC_D20_05.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh2LU8Jg00ACT7Hx7_izrvnYriADaXHHkvZ9R417jL5wvPEWRDJ860X5CnkvF0O6EM9UTomLmXjcwxkD-alNtfAQgfgwJPK0QcxfSfzMiyM-ZQedGlm6P9gJkUPpxHDnF0v3-I2Rrj8dsYZIvEN8Cs06DpYVkiuNsog6MtFonTKdSXSZLpwAAt442pRfQ/s500/DEERC_D20_06.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="287" data-original-width="500" height="184" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh2LU8Jg00ACT7Hx7_izrvnYriADaXHHkvZ9R417jL5wvPEWRDJ860X5CnkvF0O6EM9UTomLmXjcwxkD-alNtfAQgfgwJPK0QcxfSfzMiyM-ZQedGlm6P9gJkUPpxHDnF0v3-I2Rrj8dsYZIvEN8Cs06DpYVkiuNsog6MtFonTKdSXSZLpwAAt442pRfQ/s320/DEERC_D20_06.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; 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margin-right: 1em;"><img border="0" data-original-height="410" data-original-width="1000" height="131" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiswbQujnBy4l0IfQOfWQkExT0lLpQHrgvcDk0mCyYZie0cQHgv-_0m1X3QwVdpabVtwtVwuLO9l6BJtCnl77O-FjiMv2mT2mum1pThhwQuj39k0PpojDUIv_iBmmf6jTNmzsyg5eNTbpXuDIsEY-SzixRn3TTWT8ebMJljyZWyxg3AOCP-Fb__UCo34Q/s320/DEERC_D20_11.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiopBst4ZZWwuIhPK1u3_KDdKTXE9YGgrw41qMISfG-qm7_iLE9f2iBpNV60kWacyNyQerKq34rkvTMgMdcwnn034T30IxGyxu8T_x8Pr-zHAStUIJHRegK2prP-2U0bfzPexYKybzzXTKienFb5ik5DRNnoVtDZb6fhXMm0aenJ731NOmiCnXvEUcX6w/s700/DEERC_D20_12.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="312" data-original-width="700" height="143" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiopBst4ZZWwuIhPK1u3_KDdKTXE9YGgrw41qMISfG-qm7_iLE9f2iBpNV60kWacyNyQerKq34rkvTMgMdcwnn034T30IxGyxu8T_x8Pr-zHAStUIJHRegK2prP-2U0bfzPexYKybzzXTKienFb5ik5DRNnoVtDZb6fhXMm0aenJ731NOmiCnXvEUcX6w/s320/DEERC_D20_12.jpg" width="320" /></a></div>While battery has USB socket, it should be charged directly with USB but with dedicated charger.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgJqVqAbP5P_Lr0f0CqFRhdK41fqcgRmO-GcWuYklX9zFtFjeb1kV1J-CbtW-1FiEXHoU02pN7k81liG0BOzBW7I0oA0gWvxofhZzAqcwhXrZd8fd4doCr49KuqprqndSGUZPrC2UoEMKd1Jc9U_qxQeOdIaQ6CC-lgCHn-v5M6J1HA8Ji1vHJx06XuBQ/s1000/DEERC_D20_13.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="429" data-original-width="1000" height="137" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgJqVqAbP5P_Lr0f0CqFRhdK41fqcgRmO-GcWuYklX9zFtFjeb1kV1J-CbtW-1FiEXHoU02pN7k81liG0BOzBW7I0oA0gWvxofhZzAqcwhXrZd8fd4doCr49KuqprqndSGUZPrC2UoEMKd1Jc9U_qxQeOdIaQ6CC-lgCHn-v5M6J1HA8Ji1vHJx06XuBQ/s320/DEERC_D20_13.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhVY6evTP6ciP2pjBXrRFGocVY7W1gRmbmbCk-Oy0tk93J8QjqATs6AdE5m_IgbyBGmRrJNE8-FY_2EEuEt76j14rwpggtEJIbgV3x9FpHlFIndmGCl2BXyI-n74nKBbtYuZKCXwuSHrblx5Y5bG2XbNfiZ_6PV-69EVbybl0VS8WEHbyQAmunj0ktvFw/s700/DEERC_D20_14.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="499" data-original-width="700" height="228" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhVY6evTP6ciP2pjBXrRFGocVY7W1gRmbmbCk-Oy0tk93J8QjqATs6AdE5m_IgbyBGmRrJNE8-FY_2EEuEt76j14rwpggtEJIbgV3x9FpHlFIndmGCl2BXyI-n74nKBbtYuZKCXwuSHrblx5Y5bG2XbNfiZ_6PV-69EVbybl0VS8WEHbyQAmunj0ktvFw/s320/DEERC_D20_14.jpg" width="320" /></a></div>One of the chargers had minor mechanical issue with PCB contacts inside of USB plug.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgjiVDlHcbJq3XWuEu8lRqy2PCremmcsNc1Y5IiuXNQZveU_JrljWK50iUlV7GQrk77Z-HTCu3KCTE2vRHXjoVpT1c_opNDiZBkanuiL4F6HkAy_2lO0c66y05OyPDEZi49NpaoOqE48MvKNZDSn3VDKiug6nqWhTe6tDnDAvPPRck1adIApVirPp2btA/s517/DEERC_D20_15.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="517" data-original-width="500" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgjiVDlHcbJq3XWuEu8lRqy2PCremmcsNc1Y5IiuXNQZveU_JrljWK50iUlV7GQrk77Z-HTCu3KCTE2vRHXjoVpT1c_opNDiZBkanuiL4F6HkAy_2lO0c66y05OyPDEZi49NpaoOqE48MvKNZDSn3VDKiug6nqWhTe6tDnDAvPPRck1adIApVirPp2btA/s320/DEERC_D20_15.jpg" width="309" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi38_eR2lxqeMwyG2jdJmYm-rwix2XHW_W-g99N0VmnmX2j8v-QNULx07uBYwutNeUTSZWsl29RX8dqoeyEGFB12lDt2ZC2p5fslPy_Tw6CmgZhqkE6anF36AtrR2xp97k171gp7D1TPoAeyi0M6Ddc9BAGgnuzjj8Db3vxjc5FS_Bd3Fs1qp9CImIw8Q/s700/DEERC_D20_16.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="333" data-original-width="700" height="152" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi38_eR2lxqeMwyG2jdJmYm-rwix2XHW_W-g99N0VmnmX2j8v-QNULx07uBYwutNeUTSZWsl29RX8dqoeyEGFB12lDt2ZC2p5fslPy_Tw6CmgZhqkE6anF36AtrR2xp97k171gp7D1TPoAeyi0M6Ddc9BAGgnuzjj8Db3vxjc5FS_Bd3Fs1qp9CImIw8Q/s320/DEERC_D20_16.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgTXLhmZUVGYMZWyzgqjaINCztoNiwVkrKOc36Sj5FBL7s3TbVNNqf6_3I1qJhx7TNGfNAmehxv50ASKkkt5F96RIM7hAc1cmcbZukFJPXXEuB3F39sYwop2ZLE8PCEdustV0Bti2YGHtGvA7_jm30KaJ0-YzkUHWy7oIAA_BsOhnkJRAXu53BeUY5JJQ/s1000/DEERC_D20_17.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="666" data-original-width="1000" height="213" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgTXLhmZUVGYMZWyzgqjaINCztoNiwVkrKOc36Sj5FBL7s3TbVNNqf6_3I1qJhx7TNGfNAmehxv50ASKkkt5F96RIM7hAc1cmcbZukFJPXXEuB3F39sYwop2ZLE8PCEdustV0Bti2YGHtGvA7_jm30KaJ0-YzkUHWy7oIAA_BsOhnkJRAXu53BeUY5JJQ/s320/DEERC_D20_17.jpg" width="320" /></a></div>Measured supply current drawn by the charger at work: 0.8A.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjP5xT91fgtKUN-pvNIYCLFWNAE95X-Bc0-RMmcr_nPMJEgtcZRqpEHjVWlBI778WZl1HaX0vo6Ge5Ewy9H71KMlO0SeLe48J0OUQWM8I3VbxMYw44Ru2Q4FRxGDO4xJM_y_D__QUJ3k6oCZXzOMZXECTF58FkbhOHfVUJXYVAU1ydTrokHyDbF-vGM0w/s1000/DEERC_D20_18.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="702" data-original-width="1000" height="225" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjP5xT91fgtKUN-pvNIYCLFWNAE95X-Bc0-RMmcr_nPMJEgtcZRqpEHjVWlBI778WZl1HaX0vo6Ge5Ewy9H71KMlO0SeLe48J0OUQWM8I3VbxMYw44Ru2Q4FRxGDO4xJM_y_D__QUJ3k6oCZXzOMZXECTF58FkbhOHfVUJXYVAU1ydTrokHyDbF-vGM0w/s320/DEERC_D20_18.jpg" width="320" /></a></div>I've scrapped edge of the PCB with a knife and then added a drop of glue inside to keep PCB flushed down.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiNpQcVEcmeThxhJVNnGBwfpABtdKFymAUrSejUyw3S8w_7JyaYBzvQsLuKZNZpdqgdGRTaWs7Ug-HdY_rGgKNvv_o9wpBtEZacPySjHUN7CEAFAhPSE-r8C4P_XlBeCBHnAh4I_vX_EucrI0CLmGdeTRZl0S_eHsi52qj26zJaxwG2nXfDVu6vxxxFcQ/s801/DEERC_D20_19.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="801" data-original-width="700" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiNpQcVEcmeThxhJVNnGBwfpABtdKFymAUrSejUyw3S8w_7JyaYBzvQsLuKZNZpdqgdGRTaWs7Ug-HdY_rGgKNvv_o9wpBtEZacPySjHUN7CEAFAhPSE-r8C4P_XlBeCBHnAh4I_vX_EucrI0CLmGdeTRZl0S_eHsi52qj26zJaxwG2nXfDVu6vxxxFcQ/s320/DEERC_D20_19.jpg" width="280" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjSWy32ax6D26VPnn_v7ZTk3seylZR5HgERS8N93fapuWsHcxEpeYqwZOLTYXtPrFZhXb8bXRsb01jg95s8y3YnNwLG1WG6xiYvTwS8KFzQAe63u67E5dnTNU3C3AQhzrP9rcLYIZbIjg4Kt_CydMxrUcgzchRHzMOqJHyQxWE5mzzaUKiWUYftAd1YUA/s597/DEERC_D20_20.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="597" data-original-width="500" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjSWy32ax6D26VPnn_v7ZTk3seylZR5HgERS8N93fapuWsHcxEpeYqwZOLTYXtPrFZhXb8bXRsb01jg95s8y3YnNwLG1WG6xiYvTwS8KFzQAe63u67E5dnTNU3C3AQhzrP9rcLYIZbIjg4Kt_CydMxrUcgzchRHzMOqJHyQxWE5mzzaUKiWUYftAd1YUA/s320/DEERC_D20_20.jpg" width="268" /></a></div>Don't throw away screwdriver included in the set - two of body screws are placed relatively deep and regular small bits might be not able to reach it.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg4ZzFfD51MXMFqFaQ5W64kBApQ8YeN3YcPcYU8ebAaoxYBGsqd6CV4y_qgMBMGx--57S5EQbbc0Wt2lxekwe4wAd-9_xSLfNbWDyj2n9X0FiixuzSPxHXxV6i1Ut0Er8YTT8VnWakDp5pcZPAm8OqbXnzmwf1h51qMGmVbc-Hjzd5SZjTi6IenaWTciw/s500/DEERC_D20_21.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="458" data-original-width="500" height="293" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg4ZzFfD51MXMFqFaQ5W64kBApQ8YeN3YcPcYU8ebAaoxYBGsqd6CV4y_qgMBMGx--57S5EQbbc0Wt2lxekwe4wAd-9_xSLfNbWDyj2n9X0FiixuzSPxHXxV6i1Ut0Er8YTT8VnWakDp5pcZPAm8OqbXnzmwf1h51qMGmVbc-Hjzd5SZjTi6IenaWTciw/s320/DEERC_D20_21.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiPTMZ1LIgEt3SwYxXM4B62K1PcWSRU0g-zxdIQn8X7EMXFCGe_XRDieqQ37RYUhap1irEAoJxU57QPoUtt7FyuBWOb1Uhm3NDcS5IJZy9NnTaWThCf1nAVPgFRrS0HrTMig5ZxYNgfMUI98Mn7wc4qatjyTkh683VfMf9vYXc4HHPvs8D4X6l9BGMbhg/s1000/DEERC_D20_22.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="477" data-original-width="1000" height="153" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiPTMZ1LIgEt3SwYxXM4B62K1PcWSRU0g-zxdIQn8X7EMXFCGe_XRDieqQ37RYUhap1irEAoJxU57QPoUtt7FyuBWOb1Uhm3NDcS5IJZy9NnTaWThCf1nAVPgFRrS0HrTMig5ZxYNgfMUI98Mn7wc4qatjyTkh683VfMf9vYXc4HHPvs8D4X6l9BGMbhg/s320/DEERC_D20_22.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgntQYzpO8JeF8BNz6vCqKMpwI2kfZKjzFV57hLTREJkqvWxv01XPqNBtDbnDfocF_aX0JpL7OoaUO05S0XNFScN-NMvJwhGMLZK5TxEDzvkifAjUJDav9XmnZOK-h7p11orsWRt05FLs9Xyot1w_pwnFyYipayXQ5_ETXAfE0RSYGiXgyiOzirc9wutg/s1000/DEERC_D20_23.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="554" data-original-width="1000" height="177" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgntQYzpO8JeF8BNz6vCqKMpwI2kfZKjzFV57hLTREJkqvWxv01XPqNBtDbnDfocF_aX0JpL7OoaUO05S0XNFScN-NMvJwhGMLZK5TxEDzvkifAjUJDav9XmnZOK-h7p11orsWRt05FLs9Xyot1w_pwnFyYipayXQ5_ETXAfE0RSYGiXgyiOzirc9wutg/s320/DEERC_D20_23.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg5lVUBHhVuzPAoDjLjNdSZUlA_owpwgymIBx6d8P8vbq-KZkMLukyktDbqnXmYwJDbKH6EkTxZ2wJ3pUySzxHBz4N0bcntzwH0hjn_Fj_VlCVeWn2VBs_NuxkecIehSRbLdQFM6DGjMm14AcJvJTYaNkmwHVqG25icQjC3hMGQesaWq8Rr1c8xqVIgJg/s1000/DEERC_D20_24.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="512" data-original-width="1000" height="164" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg5lVUBHhVuzPAoDjLjNdSZUlA_owpwgymIBx6d8P8vbq-KZkMLukyktDbqnXmYwJDbKH6EkTxZ2wJ3pUySzxHBz4N0bcntzwH0hjn_Fj_VlCVeWn2VBs_NuxkecIehSRbLdQFM6DGjMm14AcJvJTYaNkmwHVqG25icQjC3hMGQesaWq8Rr1c8xqVIgJg/s320/DEERC_D20_24.jpg" width="320" /></a></div>PAN2025B50X: 2.4GHz RF SOC chip, up to 1 Mbps, with Cortex-M0 72 MHz CPU, 29 kB FLASH, 4 kB SRAM.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhT_AkXog3FbJ6HsLnm4i6rvWceZX1LGMpZL0BSvnNdOTvnbEQBgxr8Oj5uLkUuQiZ-NcXZVUSeJqIdcoajwa4hoTQTJ4DTR8rNN1AijDQxJ_RNZf4FNwwfWvgVlM8AxoDMugsnWZf-mgoDWktV8VAdHoqxIiES887YbhtkrVPVS1_XEWOAuYxTElqvuQ/s1000/DEERC_D20_25.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="723" data-original-width="1000" height="231" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhT_AkXog3FbJ6HsLnm4i6rvWceZX1LGMpZL0BSvnNdOTvnbEQBgxr8Oj5uLkUuQiZ-NcXZVUSeJqIdcoajwa4hoTQTJ4DTR8rNN1AijDQxJ_RNZf4FNwwfWvgVlM8AxoDMugsnWZf-mgoDWktV8VAdHoqxIiES887YbhtkrVPVS1_XEWOAuYxTElqvuQ/s320/DEERC_D20_25.jpg" width="320" /></a></div>Broken tooth on the motor gear. This is 8T gear with external diameter ~2.9mm on ~0.7mm shaft. I've ordered batch of similar gears on aliexpress, but it would take a while. I'm guessing someone crashed this drone, probably not using blade guards.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhXNziTEZyd-J9l1ewjgvlbYw2XCJsbid6-hGpXf99YEsxCW_lHgmhVxpKl9J8JiLZRJCNe5i4P03VS66G0ZypSC_1BH9ktFY75vqWApquxnoWeG49XbSHhQcJ4CSHs4Mh4tCRM4zer6hnOYBCiTJ6IoWV1vpUio8zpdiFxCX-FZAAOwfBehOzBjuhtoQ/s700/DEERC_D20_26.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="690" data-original-width="700" height="315" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhXNziTEZyd-J9l1ewjgvlbYw2XCJsbid6-hGpXf99YEsxCW_lHgmhVxpKl9J8JiLZRJCNe5i4P03VS66G0ZypSC_1BH9ktFY75vqWApquxnoWeG49XbSHhQcJ4CSHs4Mh4tCRM4zer6hnOYBCiTJ6IoWV1vpUio8zpdiFxCX-FZAAOwfBehOzBjuhtoQ/s320/DEERC_D20_26.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjGAaDMM2D7wjJrem9HsT1hPeeT_Q8bhzuaLPh1wBfW8tkZs77eNb0Xk9JUItYJZhtsS3ztucfTmCoe8SSN5rcHUQTSxOYTXgcDBixuHeO5_eWt32PVPM4D8m6OY6DFlyyczGXCm028ubP1jfI7p4jnXX4D3N74xjusE9C2XSVQ7P8k6Pb6xYfbAKvJ5Q/s1000/DEERC_D20_27.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="899" data-original-width="1000" height="288" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjGAaDMM2D7wjJrem9HsT1hPeeT_Q8bhzuaLPh1wBfW8tkZs77eNb0Xk9JUItYJZhtsS3ztucfTmCoe8SSN5rcHUQTSxOYTXgcDBixuHeO5_eWt32PVPM4D8m6OY6DFlyyczGXCm028ubP1jfI7p4jnXX4D3N74xjusE9C2XSVQ7P8k6Pb6xYfbAKvJ5Q/s320/DEERC_D20_27.jpg" width="320" /></a></div>There is second board on the bottom side with camera connected.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi_maSsx_CL7T9esECeRoWXhggBfi9Lc2lR_s4jkBwFS4jOfATeDBSeOmNxI7RDDshuw9gVvuAzVXWwvfuVCzKB764aEaEbjj_oS3c70caZI2aMqPtnJYGomM9wIarB2V-DgjetCamQGar4SxCyOrRrsY2xVDWzYyh3vXFRuAhP9cI38_vfKL2FHNIN-A/s1000/DEERC_D20_28.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="852" data-original-width="1000" height="273" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi_maSsx_CL7T9esECeRoWXhggBfi9Lc2lR_s4jkBwFS4jOfATeDBSeOmNxI7RDDshuw9gVvuAzVXWwvfuVCzKB764aEaEbjj_oS3c70caZI2aMqPtnJYGomM9wIarB2V-DgjetCamQGar4SxCyOrRrsY2xVDWzYyh3vXFRuAhP9cI38_vfKL2FHNIN-A/s320/DEERC_D20_28.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi1UgBhDwriMpw7lnvvH8T9RY8qSxPB4gq0I5FBcYYZLI20q3POhvdDULw6EAc7hB4-SQu1LGgfHUyqyVcYAoI359Z5PWPzaYiWLh_GNly_tYThGCy3SACcRMlwxNb84XDrU2GEnfRk-kDOhqO02uKTZt-hVSWXzpbK7nx0n7tbE-7VGLSosgAUCHepPg/s856/DEERC_D20_29.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="856" data-original-width="700" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi1UgBhDwriMpw7lnvvH8T9RY8qSxPB4gq0I5FBcYYZLI20q3POhvdDULw6EAc7hB4-SQu1LGgfHUyqyVcYAoI359Z5PWPzaYiWLh_GNly_tYThGCy3SACcRMlwxNb84XDrU2GEnfRk-kDOhqO02uKTZt-hVSWXzpbK7nx0n7tbE-7VGLSosgAUCHepPg/s320/DEERC_D20_29.jpg" width="262" /></a></div><br /> <p></p>Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-4030197149523771443.post-1586040924329629532022-10-27T22:22:00.015+02:002022-10-28T21:35:16.860+02:00Cheap 18650 flashlight<p></p><div class="separator" style="clear: both; text-align: center;"><div class="separator" style="clear: both; text-align: center;"><div class="separator" style="clear: both; text-align: center;"><div class="separator" style="clear: both; text-align: left;">Cheap ($5) aluminum LED flashlight powered by 18650 LiIon cell. Marked as model 910.</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjFinuJVBYFoCpEvhMNpifE31agtXmoBHH0BUsslT_CyhZwdQ9Uidi0O5CCXCm86uH9l2YvlwDDCkHeN7IiZg7BTs1OGcq-oFTsGsYrwBP8DwkDyp0FAylswIe0O5g9iciVdZmdKGdGpKEgaleVxYxib60jScR1Fl0ka8dC6xkB25qKRghofyg7p_6GJg/s1000/flashlight2_13.jpg" style="margin-left: 1em; margin-right: 1em; outline-width: 0px; user-select: auto;"><img border="0" data-original-height="444" data-original-width="1000" height="142" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjFinuJVBYFoCpEvhMNpifE31agtXmoBHH0BUsslT_CyhZwdQ9Uidi0O5CCXCm86uH9l2YvlwDDCkHeN7IiZg7BTs1OGcq-oFTsGsYrwBP8DwkDyp0FAylswIe0O5g9iciVdZmdKGdGpKEgaleVxYxib60jScR1Fl0ka8dC6xkB25qKRghofyg7p_6GJg/s320/flashlight2_13.jpg" width="320" /></a></div><div class="separator" style="clear: both; text-align: left;"><br /></div><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhqmbqjsPsIl56R4dU26QCiSWFOchZWUjW9oU476S6wgsdoNmzpT4sdtI6h8LjQ6h6Jxivc17Uk8UpzlmaWg8B0gI7AXIuyUelIVLzax6m4o8qMi7NsXh8DhH4extI1YYjFMZ-Z46A5PvQxwI8By5bLwBEfYrxL3AgcXgfXNSkreVEPtI_5sClMxU7zHw/s1000/flashlight2_01.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="625" data-original-width="1000" height="200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhqmbqjsPsIl56R4dU26QCiSWFOchZWUjW9oU476S6wgsdoNmzpT4sdtI6h8LjQ6h6Jxivc17Uk8UpzlmaWg8B0gI7AXIuyUelIVLzax6m4o8qMi7NsXh8DhH4extI1YYjFMZ-Z46A5PvQxwI8By5bLwBEfYrxL3AgcXgfXNSkreVEPtI_5sClMxU7zHw/s320/flashlight2_01.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjOijHTt38yDJeGrifZDvpQ3pVKqvEi3PT3h1tUuZkWS87b6XASm4x3z7V8Dh7dJOEME1vVi-9bUDjQYRwZAJ6BnvI8GzqdOwxRBTQLonZUDwBplykC4pqIzsGjfCQeB2768ZOn1m8cYa-T2ZtxaXgxqjwDnSUri14Eal0wSTzQ2Y55oftHCNl7lk6AHA/s600/flashlight2_02.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="345" data-original-width="600" height="184" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjOijHTt38yDJeGrifZDvpQ3pVKqvEi3PT3h1tUuZkWS87b6XASm4x3z7V8Dh7dJOEME1vVi-9bUDjQYRwZAJ6BnvI8GzqdOwxRBTQLonZUDwBplykC4pqIzsGjfCQeB2768ZOn1m8cYa-T2ZtxaXgxqjwDnSUri14Eal0wSTzQ2Y55oftHCNl7lk6AHA/s320/flashlight2_02.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjgKgqdn9UbtKZjWT4D1szo5CtBhf9wzHChfaFiaL2g9Z1sajjayROpp0olARsI75SUjlVYo0YsfqmN90SEySceHc4on69hj8gxk7uQbtOv7uWm7TPMB6fNHjZJuPFOL37X0BEdR6SkBePvAfyFhj6tPJe7OBdacD-PQv2XT3CSzeSqaraL7MpSgVq3wA/s700/flashlight2_03.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="432" data-original-width="700" height="197" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjgKgqdn9UbtKZjWT4D1szo5CtBhf9wzHChfaFiaL2g9Z1sajjayROpp0olARsI75SUjlVYo0YsfqmN90SEySceHc4on69hj8gxk7uQbtOv7uWm7TPMB6fNHjZJuPFOL37X0BEdR6SkBePvAfyFhj6tPJe7OBdacD-PQv2XT3CSzeSqaraL7MpSgVq3wA/s320/flashlight2_03.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjb6S-6QYlxJKN07EuRo_XwezXmTDgkw2F33iUQ8MmksPY2J2NPHOV-KAWZxV3yJk_-AUhnylIBek_4ieWKBQuglkyyyj01oDazhw3hLXjlBBw5-sgy6B-B3F-FctQ9XfgSj-mhRW1evpKi65UmGtkQiwDSMsHuAOZkfAobEsoueSDZhoaLQVqX0P-pFg/s1000/flashlight2_04.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="800" data-original-width="1000" height="256" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjb6S-6QYlxJKN07EuRo_XwezXmTDgkw2F33iUQ8MmksPY2J2NPHOV-KAWZxV3yJk_-AUhnylIBek_4ieWKBQuglkyyyj01oDazhw3hLXjlBBw5-sgy6B-B3F-FctQ9XfgSj-mhRW1evpKi65UmGtkQiwDSMsHuAOZkfAobEsoueSDZhoaLQVqX0P-pFg/s320/flashlight2_04.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiazkjr9VqwpfMlvPw20ZozZr6L5LwNqTvYGcatG45Sf9wdrmCjm72MEd_FQ6NQ1bPMpfJ8kvILk00czv9LtnFjtH35BWKN1q4bTcm0HIJP9Y0bmaKPSgB3CQ1UCjiYw7QyGE5IQWb66NWF4fuLare-DxlXJ9mJnKHgnIXRotsuN3CxeywmG2bvTz8BXQ/s718/flashlight2_05.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="718" data-original-width="700" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiazkjr9VqwpfMlvPw20ZozZr6L5LwNqTvYGcatG45Sf9wdrmCjm72MEd_FQ6NQ1bPMpfJ8kvILk00czv9LtnFjtH35BWKN1q4bTcm0HIJP9Y0bmaKPSgB3CQ1UCjiYw7QyGE5IQWb66NWF4fuLare-DxlXJ9mJnKHgnIXRotsuN3CxeywmG2bvTz8BXQ/s320/flashlight2_05.jpg" width="312" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj0v0xwW_0NoKusvhzfXQ4TE8Vj6euuwC-s_0BmutaveonLJw1NGT-QOxxBoKLqoV8KV9D6ExN25yoPIihxUHDDQHItzwNoLMG17eEfd4XwEBj0qJY9PFbWvBn_MjQLv-VjOM1omnBDlwF2rR17tRvAZYKvsy0FU4Qa9emL5KchV_nUugRkoOmouruMEA/s1000/flashlight2_06.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="504" data-original-width="1000" height="161" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj0v0xwW_0NoKusvhzfXQ4TE8Vj6euuwC-s_0BmutaveonLJw1NGT-QOxxBoKLqoV8KV9D6ExN25yoPIihxUHDDQHItzwNoLMG17eEfd4XwEBj0qJY9PFbWvBn_MjQLv-VjOM1omnBDlwF2rR17tRvAZYKvsy0FU4Qa9emL5KchV_nUugRkoOmouruMEA/s320/flashlight2_06.jpg" width="320" /></a></div><div style="text-align: left;">Switch with rubber dome is on the bottom. There are two blinking modes and 3 constant modes with different power, it looks like it to switches to next mode with each press, but there is also some timeout after which previous mode is kept. When measured with ohmmeter this looks to be regular mechanical switch, so control electronics is in the body, probably near the LED.</div></div><div class="separator" style="clear: both; text-align: center;"><div style="text-align: left;">Actual measured current consumption (with cell voltage = 4V):</div><div style="text-align: left;"><ul style="text-align: left;"><li>850 - 950 mA in "high" mode with constant light</li><li>430 mA in "medium" mode with constant light</li><li>250 mA in "low" mode with constant light</li><li>about 450 mA in fast blinking mode</li></ul><div>I'm measuring 0.3 Ohm ON state resistance for this switch which is little worrying (maybe a room for improvement?), though maybe this is partly poor contact for multimeter probes, aluminum and springy element inside the cap (but for clarification this is not related to probes cable / probes itself, I'm measuring this as relative resistance).</div></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiYIQ5dlWFjg6pdb4Zs1H_LOY1blJJml90eqJMDgkxzB5ntlIG55hmCX5XmiWzUH5RvAZZRIThCQNiceTIVm2QslY1BNu9nFR47-HXTyUr_t9f48iZsv5YcX42KCWrsVGNIQz81mm-81nvNblaxsbc5XPe_OW7Uac1U4ldRF_n5eoT-yz_iv8RABfDYKw/s510/flashlight2_07.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="410" data-original-width="510" height="257" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiYIQ5dlWFjg6pdb4Zs1H_LOY1blJJml90eqJMDgkxzB5ntlIG55hmCX5XmiWzUH5RvAZZRIThCQNiceTIVm2QslY1BNu9nFR47-HXTyUr_t9f48iZsv5YcX42KCWrsVGNIQz81mm-81nvNblaxsbc5XPe_OW7Uac1U4ldRF_n5eoT-yz_iv8RABfDYKw/s320/flashlight2_07.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgiTiEIl1i54k-bubaDqf_pbpwNH4wKN8lmTCKcL-BCjgFLCokzkYD9yBqE70RzTq-UqLVqsI0chyQ91r7dqUfV0Ml-7oYEAxc-iV9TSGMkrTtmDxrXmYFUiH8Jyz0G7j8_sV1AjpiGr_da2Ti3Mmgi4EQn9fleWKpyUk9vhY-vH5ENHBHdGMXQCRNM-g/s700/flashlight2_08.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="487" data-original-width="700" height="223" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgiTiEIl1i54k-bubaDqf_pbpwNH4wKN8lmTCKcL-BCjgFLCokzkYD9yBqE70RzTq-UqLVqsI0chyQ91r7dqUfV0Ml-7oYEAxc-iV9TSGMkrTtmDxrXmYFUiH8Jyz0G7j8_sV1AjpiGr_da2Ti3Mmgi4EQn9fleWKpyUk9vhY-vH5ENHBHdGMXQCRNM-g/s320/flashlight2_08.jpg" width="320" /></a></div><div style="text-align: left;">This 18650 charging cradle is actually empty - it is just a socket with direct connection.</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj0eGjVeMNl21sM-ysgUEi-4uho9JvDajkUomLgdR0LjyETP_JUTdnHWjP4xo1NO9KmdFX08p0Ta2jjAPkF59wbmHGDr_HMq6u77_pNV6EKmiFLNH-mmOTnDYIqjUqPXKFaNRNEsYPHPv1MNTXXD9aArRnD1JUgrGXwDosWI8xA4uizFiI7cZ59hNGfGw/s639/flashlight2_09.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="340" data-original-width="639" height="170" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj0eGjVeMNl21sM-ysgUEi-4uho9JvDajkUomLgdR0LjyETP_JUTdnHWjP4xo1NO9KmdFX08p0Ta2jjAPkF59wbmHGDr_HMq6u77_pNV6EKmiFLNH-mmOTnDYIqjUqPXKFaNRNEsYPHPv1MNTXXD9aArRnD1JUgrGXwDosWI8xA4uizFiI7cZ59hNGfGw/s320/flashlight2_09.jpg" width="320" /></a></div>Suspiciously light charger. 4.2V output, red/green (when charged or LiIon cell is disconnected) LED. There is something unreliable with this LED, this might need longer testing. "4.2V +/- 0.5V" marking is very scary and it looks like it overcharges. While output voltage is 4.25V in open circuit, it raises further when cell is connected and charged. <br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgP16dIIgFU-KGRaWYu4yc0G7L8zuajqtfFFOfDkMGBqZ1tzN3e25LE4xzY6ClbTScIxMWgd-IWTDu-0G-T8rGZBiPJD0A4Bk4g6xZ4ku0KmNllmP1p6r5puqhRbNuOIR3-un-7d8mDDwgjY-Rk6y42qC6bDzeQferWg4ok5YRAxS2Mrv7P1DCsWaUzyA/s700/flashlight2_10.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="658" data-original-width="700" height="301" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgP16dIIgFU-KGRaWYu4yc0G7L8zuajqtfFFOfDkMGBqZ1tzN3e25LE4xzY6ClbTScIxMWgd-IWTDu-0G-T8rGZBiPJD0A4Bk4g6xZ4ku0KmNllmP1p6r5puqhRbNuOIR3-un-7d8mDDwgjY-Rk6y42qC6bDzeQferWg4ok5YRAxS2Mrv7P1DCsWaUzyA/s320/flashlight2_10.jpg" width="320" /></a></div><div style="text-align: left;">Suspiciously light 18650 cell. Probably not worth much, I wouldn't be even surprised if this would be fake cell with regular AA inside. Be prepared to replace it with something more reputable. There is plastic sleeve included as flashlight body is slightly wider inside than the diameter of 18650 (maybe this is also for short circuit protection?).</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjK2em__gnUuYQ8GqX2qpzJqC4dPCasOBFcdAd_OU6V5UchCiZRxcovwLsiVyRo0pPWNEnvluhGOZjg_IP5GNIsdhluxMBayB2FcqhyyX-pxJwsXQA1xWd8xrdORoOLmGGANN9jwiZXnAI8oMn5oWrbeZ5SEqmLjA05w-6WGlV8J1UyAaEA0je3WtrWXQ/s700/flashlight2_11.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="261" data-original-width="700" height="119" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjK2em__gnUuYQ8GqX2qpzJqC4dPCasOBFcdAd_OU6V5UchCiZRxcovwLsiVyRo0pPWNEnvluhGOZjg_IP5GNIsdhluxMBayB2FcqhyyX-pxJwsXQA1xWd8xrdORoOLmGGANN9jwiZXnAI8oMn5oWrbeZ5SEqmLjA05w-6WGlV8J1UyAaEA0je3WtrWXQ/s320/flashlight2_11.jpg" width="320" /></a></div><div style="text-align: left;">There is additional 3xAAA holder for alternative power.</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgHVG9fGFJ4jnIfP-jPujaGvXpatfg2V_zkJyAnVo_hpvqlrrlgY-URTer1CNLdLWjTxf6xeURRT6X5PUEsWtOynRHfRMuWOUOwIppM-F9o7rODhk_9Wxxski6E0hkHumNxfF0NTq6W0wKe9t5l40KfGFwmIdYGZTxH7B3MNx6MbcGwiw6Ejg0TQy0mqQ/s700/flashlight2_12.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="348" data-original-width="700" height="159" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgHVG9fGFJ4jnIfP-jPujaGvXpatfg2V_zkJyAnVo_hpvqlrrlgY-URTer1CNLdLWjTxf6xeURRT6X5PUEsWtOynRHfRMuWOUOwIppM-F9o7rODhk_9Wxxski6E0hkHumNxfF0NTq6W0wKe9t5l40KfGFwmIdYGZTxH7B3MNx6MbcGwiw6Ejg0TQy0mqQ/s320/flashlight2_12.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjumxAsltGoglRdDCDuwQIqM6eaVxFenA4dz4WdPTcgYo3KS1qjsOhTJJBueySTH3naG0FxlLmcse8SijHs9cRDmWa0fpjGHQlQGJWfRLJOCZRgn2ccvfYtEOvAdJlFqpx7Yp_sLGtAWyyWI7EqJYsgDP7PeeO53tE2eeGjX5qHrFgVyOq9XaTDv83BOA/s1000/flashlight2_14.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="686" data-original-width="1000" height="220" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjumxAsltGoglRdDCDuwQIqM6eaVxFenA4dz4WdPTcgYo3KS1qjsOhTJJBueySTH3naG0FxlLmcse8SijHs9cRDmWa0fpjGHQlQGJWfRLJOCZRgn2ccvfYtEOvAdJlFqpx7Yp_sLGtAWyyWI7EqJYsgDP7PeeO53tE2eeGjX5qHrFgVyOq9XaTDv83BOA/s320/flashlight2_14.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEifvMR5yk26VZpZf8XZQ5i9ypsK0X04Xg6op2Lz2zYNzPDhFWxc2C8g57-bjvooADPPSe99-Hv_YAn4_lDQht7yl9uNg0qQgXg2V1Npj8rssSwjY4Uorl9ut0wouBDBQjMhKPMtMv4vJtDt89EaB6gsHgT9KzGaUM3_udpKScqE--HS0XGwmjY-xTZz8g/s1000/flashlight2_15.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="571" data-original-width="1000" height="183" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEifvMR5yk26VZpZf8XZQ5i9ypsK0X04Xg6op2Lz2zYNzPDhFWxc2C8g57-bjvooADPPSe99-Hv_YAn4_lDQht7yl9uNg0qQgXg2V1Npj8rssSwjY4Uorl9ut0wouBDBQjMhKPMtMv4vJtDt89EaB6gsHgT9KzGaUM3_udpKScqE--HS0XGwmjY-xTZz8g/s320/flashlight2_15.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiFQFCuP0kFIj5f3dPAwxd6pzCatUWqD2PHm7ZKAfm5QrlPn7KM37iuwYysGi8vKvPiqZKe2qTM838euCoOP9YswR-IKyLzk-mXHaxhpfofK9-j98D6DKCHWrBuzDdiHSIWI4afHxX-ipVKVp7y6IObr3lUdydK_CimT41BQFlJYlxAxJ6RJxhZtRMwBw/s600/flashlight2_16.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="437" data-original-width="600" height="233" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiFQFCuP0kFIj5f3dPAwxd6pzCatUWqD2PHm7ZKAfm5QrlPn7KM37iuwYysGi8vKvPiqZKe2qTM838euCoOP9YswR-IKyLzk-mXHaxhpfofK9-j98D6DKCHWrBuzDdiHSIWI4afHxX-ipVKVp7y6IObr3lUdydK_CimT41BQFlJYlxAxJ6RJxhZtRMwBw/s320/flashlight2_16.jpg" width="320" /></a></div><div style="text-align: left;">Quite a lot of light output, here with maximum "ZOOM OUT". I believe this might be a 3W LED (current consumption confirms it). Small beam on the right is my smaller flashlight powered by single AA cell (<a href="https://commonemitter.blogspot.com/2017/12/099-mini-flashlight.html">https://commonemitter.blogspot.com/2017/12/099-mini-flashlight.html</a>).</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgGtIrR6jQeOLH-xO9bUbtpDEPRSGWo220Mjz36GlSWaxB1zlVukSldEOpmva-Bu11FeOrlj8M5pGME-5jmt5dgT9vbrHh2ygsW7waHeaAK8jpTMZurZzWpa6ITpVLspY9s70CS9zKifIQiBbMMJb_1Xkp99aa1vQP_MN1xxdmCnfQTulVgwz__1BC5Vg/s700/flashlight2_17.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="525" data-original-width="700" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgGtIrR6jQeOLH-xO9bUbtpDEPRSGWo220Mjz36GlSWaxB1zlVukSldEOpmva-Bu11FeOrlj8M5pGME-5jmt5dgT9vbrHh2ygsW7waHeaAK8jpTMZurZzWpa6ITpVLspY9s70CS9zKifIQiBbMMJb_1Xkp99aa1vQP_MN1xxdmCnfQTulVgwz__1BC5Vg/s320/flashlight2_17.jpg" width="320" /></a></div><div style="text-align: left;">At maximum "ZOOM IN" lens position light beam (at focus point) is identical to LED structure.</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEheWMp8StSDGfnuBVzocRvu_3hKuw2IS3rgg7nEbvbfCRfc4TYW74mTCSbBcWc4KYI5NhNPGZgjHCNhlT6ts68KjY0uCCMoL0YmiFmS0Y5Z2ixMTnol5oLIoGeOwED1cJJmaJnmWxXWhQae-23aV2ahQCqSz5WvdJvKX8CC-IWwNel8EMplb9gaPGXKwQ/s662/flashlight2_18.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="594" data-original-width="662" height="287" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEheWMp8StSDGfnuBVzocRvu_3hKuw2IS3rgg7nEbvbfCRfc4TYW74mTCSbBcWc4KYI5NhNPGZgjHCNhlT6ts68KjY0uCCMoL0YmiFmS0Y5Z2ixMTnol5oLIoGeOwED1cJJmaJnmWxXWhQae-23aV2ahQCqSz5WvdJvKX8CC-IWwNel8EMplb9gaPGXKwQ/s320/flashlight2_18.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><br /></div></div><br /><br /></div><br /> <p></p>Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-4030197149523771443.post-63819350943766248172022-10-19T23:52:00.001+02:002022-10-19T23:52:22.670+02:00DJ-660L "MIDI" audio set<p></p><div class="separator" style="clear: both; text-align: left;">Bottom of the barrel "Deejay" "MIDI" audio set from 1990. Not worth fixing and probably not worth putting cassette tapes or vinyl into even if it would be in its original state. At the same time taking quite a lot of space.</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEhotGZK2mg-IK0AA9XV2tgFEYcr1XOxVW6lOEviwIXwlrKbbcA-5X1jth3aVCigBjnnAgKjuP0HOoWmnNqQ5J_tcho2s2yf2eSh_LzukTvYTJRWZ9TBHmHhKBc0_SrhhXVlvGVniLk37pPK8xwfUFwy_V39M08lbEIhmvN9fIeNH0gIRM1Yit5gmNqfZQ" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="929" data-original-width="1000" height="240" src="https://blogger.googleusercontent.com/img/a/AVvXsEhotGZK2mg-IK0AA9XV2tgFEYcr1XOxVW6lOEviwIXwlrKbbcA-5X1jth3aVCigBjnnAgKjuP0HOoWmnNqQ5J_tcho2s2yf2eSh_LzukTvYTJRWZ9TBHmHhKBc0_SrhhXVlvGVniLk37pPK8xwfUFwy_V39M08lbEIhmvN9fIeNH0gIRM1Yit5gmNqfZQ" width="258" /></a></div> <div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEhAAnRxtBeHvkQm5pNFVsM3Mc5rtR5lEph7H7yxEwHzVtqqerZq8AVvgyr-gW9pEQxC2AWq8lZUNZKsRTdfuO0u5Itq9YSFMb5SeP2nQB0s2c3Db5N-PEjf4Cv7aPIHPxtJmWn80hFwVH3UFqnK3rZzXkugu8PaP35O25FQAiX50wiATg8MojpPTWZCyw" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="693" data-original-width="1000" height="222" src="https://blogger.googleusercontent.com/img/a/AVvXsEhAAnRxtBeHvkQm5pNFVsM3Mc5rtR5lEph7H7yxEwHzVtqqerZq8AVvgyr-gW9pEQxC2AWq8lZUNZKsRTdfuO0u5Itq9YSFMb5SeP2nQB0s2c3Db5N-PEjf4Cv7aPIHPxtJmWn80hFwVH3UFqnK3rZzXkugu8PaP35O25FQAiX50wiATg8MojpPTWZCyw" width="320" /></a><a href="https://blogger.googleusercontent.com/img/a/AVvXsEhXfO9EBGGbcUENTndR99puEPlOxplo0jTwkEGv2IrPuUSJR5BnjK6Odg3Kx22J7li03UQYFb5YBzvtF9z7UHSOyLE1Qb-oPHk4OXRJJKUPQ5PFwtC-w7JQyk7oO8mP4sT9XOSwqCmA4RIWN-3kgopYedDCKr6WWmFyjA9BuLOKDDQ_uZc6kCmHhlqBpg" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="690" data-original-width="1000" height="221" src="https://blogger.googleusercontent.com/img/a/AVvXsEhXfO9EBGGbcUENTndR99puEPlOxplo0jTwkEGv2IrPuUSJR5BnjK6Odg3Kx22J7li03UQYFb5YBzvtF9z7UHSOyLE1Qb-oPHk4OXRJJKUPQ5PFwtC-w7JQyk7oO8mP4sT9XOSwqCmA4RIWN-3kgopYedDCKr6WWmFyjA9BuLOKDDQ_uZc6kCmHhlqBpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><div class="separator" style="clear: both; text-align: center;"><div class="separator" style="clear: both; text-align: center;"><span style="margin-left: 1em; margin-right: 1em;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEgR2FGbp-VQS0gxDAzji3Jv1r6En7K_WFvXsV3XB7yZW98kT3AWQTW7FlQm6GFIh-i1lQu7wCI2BHSRNijQWEAhNeJ6ksnQd0XrxlnLyShMfDQp8k0kjHABKfOissZ8BbcjArA0HcWmn5Kz2_I15oEe7bPkIgQdELv_qKw46DiCTRwHSr9UIbnfThWiaw" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="691" data-original-width="1000" height="221" src="https://blogger.googleusercontent.com/img/a/AVvXsEgR2FGbp-VQS0gxDAzji3Jv1r6En7K_WFvXsV3XB7yZW98kT3AWQTW7FlQm6GFIh-i1lQu7wCI2BHSRNijQWEAhNeJ6ksnQd0XrxlnLyShMfDQp8k0kjHABKfOissZ8BbcjArA0HcWmn5Kz2_I15oEe7bPkIgQdELv_qKw46DiCTRwHSr9UIbnfThWiaw" width="320" /></a></span></div><div class="separator" style="clear: both; text-align: center;"><div style="text-align: left;">3.8 kg.</div><div class="separator" style="clear: both; margin-left: 1em; margin-right: 1em; text-align: center;"><span style="margin-left: 1em; margin-right: 1em;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEgR2FGbp-VQS0gxDAzji3Jv1r6En7K_WFvXsV3XB7yZW98kT3AWQTW7FlQm6GFIh-i1lQu7wCI2BHSRNijQWEAhNeJ6ksnQd0XrxlnLyShMfDQp8k0kjHABKfOissZ8BbcjArA0HcWmn5Kz2_I15oEe7bPkIgQdELv_qKw46DiCTRwHSr9UIbnfThWiaw" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="386" data-original-width="1000" height="124" src="https://blogger.googleusercontent.com/img/a/AVvXsEh0vIpbQaTnApLbp86V2ynFafkP9kSx2XV_mEiKUKRoT8D9I4sdQ0Eda1CXPqqJci6UT7_GSuqcvXxQGmuUhjOvrjAEk2qk0NfOlBDoIa20P-KoWg7v0lmtupzJTcPlDC8HFJQAN_kfKyRzz9A2bbWhOkCb-MWxTO92dmlJiwVpbUoNyd9Q8AwyA6AgIw" width="320" /></a></span></div><div class="separator" style="clear: both; margin-left: 1em; margin-right: 1em; text-align: center;"><div class="separator" style="clear: both; text-align: center;"><span style="margin-left: 1em; margin-right: 1em;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEgR2FGbp-VQS0gxDAzji3Jv1r6En7K_WFvXsV3XB7yZW98kT3AWQTW7FlQm6GFIh-i1lQu7wCI2BHSRNijQWEAhNeJ6ksnQd0XrxlnLyShMfDQp8k0kjHABKfOissZ8BbcjArA0HcWmn5Kz2_I15oEe7bPkIgQdELv_qKw46DiCTRwHSr9UIbnfThWiaw" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="904" data-original-width="800" height="240" src="https://blogger.googleusercontent.com/img/a/AVvXsEivChUMb7lTVgDSYt0PF41XHFjNZWntmQYZ4IhvDS-bN_EpXTeEK2tDE592uGIAxe3Oj8qMcXYc5RFprmOMqGt9JRzEUpnh4nitk1_Qzd5s6Up4a2mjg2-l1SVk6nTXixJCsRSa-NiOrfvI0XktAozb5q5OGjFtw09D5TDQprKzOCtLlbD1rkHcS1gIHQ" width="212" /></a></span></div><a href="https://blogger.googleusercontent.com/img/a/AVvXsEgR2FGbp-VQS0gxDAzji3Jv1r6En7K_WFvXsV3XB7yZW98kT3AWQTW7FlQm6GFIh-i1lQu7wCI2BHSRNijQWEAhNeJ6ksnQd0XrxlnLyShMfDQp8k0kjHABKfOissZ8BbcjArA0HcWmn5Kz2_I15oEe7bPkIgQdELv_qKw46DiCTRwHSr9UIbnfThWiaw" style="margin-left: 1em; margin-right: 1em;"><br /></a><div style="text-align: left;">Quite big speakers, but only 2W RMW. 4Ohm, single driver. Really not impressive and little distorted sound.</div></div></div></div><a href="https://blogger.googleusercontent.com/img/a/AVvXsEiA-6mowEuaec_qQueQtkO3wv-AmLUz7tGSPw6fLDytlLQa7MCPFn3frFsI6OoNKC8hvIy5H4Q_gIepIteJzmNzt5koQlSxmAK3d8HxRYI538YQPpp1iXCSwPxI98wWKLEp976c88e_B5D6QDCAlK8Xe3nryFlaQ4VEhFYM3VS_Mvtaaxu7aJxPtS9zEQ" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="555" data-original-width="500" height="240" src="https://blogger.googleusercontent.com/img/a/AVvXsEiA-6mowEuaec_qQueQtkO3wv-AmLUz7tGSPw6fLDytlLQa7MCPFn3frFsI6OoNKC8hvIy5H4Q_gIepIteJzmNzt5koQlSxmAK3d8HxRYI538YQPpp1iXCSwPxI98wWKLEp976c88e_B5D6QDCAlK8Xe3nryFlaQ4VEhFYM3VS_Mvtaaxu7aJxPtS9zEQ" width="216" /></a></div><div class="separator" style="clear: both; text-align: center;"><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEglK-YxOwv5nvIos7hYPd0Td3k9ahrLClt76hWRGwUr_KFNcBSCBP5xxeDuPthLsD4x6iN0KgIDycuCQBr5nEnZUjO9mUaEtJ2mc_a7YQXI9oEiVfMm7qv5EYUEkFGQ8JA-oexB-XmsVzTbxL1KUVSAtOuFdvLjxM9oZ7o5gkh_h-hoHSbzWypYSYpmog" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="525" data-original-width="700" height="240" src="https://blogger.googleusercontent.com/img/a/AVvXsEglK-YxOwv5nvIos7hYPd0Td3k9ahrLClt76hWRGwUr_KFNcBSCBP5xxeDuPthLsD4x6iN0KgIDycuCQBr5nEnZUjO9mUaEtJ2mc_a7YQXI9oEiVfMm7qv5EYUEkFGQ8JA-oexB-XmsVzTbxL1KUVSAtOuFdvLjxM9oZ7o5gkh_h-hoHSbzWypYSYpmog" width="320" /></a></div><div class="separator" style="clear: both; text-align: left;">This "MIDI" set resembles universe - it is mostly empty space. It could be easily half the size if not for the vinyl record player.</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEjLeXnAS8wLaKT7ewo4GWv3wg1QD49VrNJBx-rredBbxgtWfkY3nTOGwdOSlaF2KmNYcfb-H_tymO91t5OpIicye0Yg9Sbg2AuwMsP8hFTUuDUMg_YOR3tj3yvA92gBVuDYqz1GK05s39EqSa_fs8gdeIMNlUZLPjEjuFVHjxvCCXFPXv57fmDy6CcHIQ" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="1116" data-original-width="1000" height="240" src="https://blogger.googleusercontent.com/img/a/AVvXsEjLeXnAS8wLaKT7ewo4GWv3wg1QD49VrNJBx-rredBbxgtWfkY3nTOGwdOSlaF2KmNYcfb-H_tymO91t5OpIicye0Yg9Sbg2AuwMsP8hFTUuDUMg_YOR3tj3yvA92gBVuDYqz1GK05s39EqSa_fs8gdeIMNlUZLPjEjuFVHjxvCCXFPXv57fmDy6CcHIQ" width="215" /></a></div><div class="separator" style="clear: both; text-align: center;"><div style="text-align: left;">Size matters. No markings, probably less than 10 VA.</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEjLeXnAS8wLaKT7ewo4GWv3wg1QD49VrNJBx-rredBbxgtWfkY3nTOGwdOSlaF2KmNYcfb-H_tymO91t5OpIicye0Yg9Sbg2AuwMsP8hFTUuDUMg_YOR3tj3yvA92gBVuDYqz1GK05s39EqSa_fs8gdeIMNlUZLPjEjuFVHjxvCCXFPXv57fmDy6CcHIQ" style="margin-left: 1em; margin-right: 1em;"></a><a href="https://blogger.googleusercontent.com/img/a/AVvXsEhfZEao9cpZ5WRXMbMWdr8w_xCcgfJuOy6RbuzIga0PnxqQHGr6NUMXWgmVhXeJV7HCqF2YQ5oPLoMrXfGp6fF4mcrHitdPli8L-s0B3x8qCcowB0tUvITuxhPcmKyYVJDJXXYWUrJtEbeeORQeiREIbMxl6BIOZpYUgZuYzcqLCHjN2vtNMmS_9R3Sew" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="454" data-original-width="700" height="208" src="https://blogger.googleusercontent.com/img/a/AVvXsEhfZEao9cpZ5WRXMbMWdr8w_xCcgfJuOy6RbuzIga0PnxqQHGr6NUMXWgmVhXeJV7HCqF2YQ5oPLoMrXfGp6fF4mcrHitdPli8L-s0B3x8qCcowB0tUvITuxhPcmKyYVJDJXXYWUrJtEbeeORQeiREIbMxl6BIOZpYUgZuYzcqLCHjN2vtNMmS_9R3Sew" width="320" /></a></div></div><div class="separator" style="clear: both; text-align: center;">uPC1316 - stereo audio power amplifier, up to 2 W per channel.</div><div class="separator" style="clear: both; text-align: center;"><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEjMUPXkGmLSDWDaiFgIcSm6uJC_Nu-L9QK1e16KWd6dB3dqFlGzAIHfc0Py5Z8EicCLgo_GNqsDJQPJimUcVXzImtu5neH6J9I4IJdj3ZUXWsrZqsmyaYob5lMY_b1hEGoTfDOwjmBzOjYx0E9roXjrAuWGuDWarLhmPrYMkGBZUKEYt735nyFf4jrVVA" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="833" data-original-width="1000" height="240" src="https://blogger.googleusercontent.com/img/a/AVvXsEjMUPXkGmLSDWDaiFgIcSm6uJC_Nu-L9QK1e16KWd6dB3dqFlGzAIHfc0Py5Z8EicCLgo_GNqsDJQPJimUcVXzImtu5neH6J9I4IJdj3ZUXWsrZqsmyaYob5lMY_b1hEGoTfDOwjmBzOjYx0E9roXjrAuWGuDWarLhmPrYMkGBZUKEYt735nyFf4jrVVA" width="288" /></a></div>TA8122AN - single chip AM/FM tuner, intended for portable radios.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEgld8YDk9KTJzfWI1-Lo19Vc_mT8bpOo-_X78w9T5teH1BNNUHlqNSveGyMYOVdfNK1d93ci_A5QPSRjKynXeNCIWbiG48ZHPsNcJoC2Kb0NHc7V5H8gZRAmJbmxwYym35cakJobBYEGYQxe6rxfeNmYQDIa9E62fjx085OPkv8gSGon7bHUdmGKR21PA" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="739" data-original-width="1000" height="236" src="https://blogger.googleusercontent.com/img/a/AVvXsEgld8YDk9KTJzfWI1-Lo19Vc_mT8bpOo-_X78w9T5teH1BNNUHlqNSveGyMYOVdfNK1d93ci_A5QPSRjKynXeNCIWbiG48ZHPsNcJoC2Kb0NHc7V5H8gZRAmJbmxwYym35cakJobBYEGYQxe6rxfeNmYQDIa9E62fjx085OPkv8gSGon7bHUdmGKR21PA" width="320" /></a></div><div style="text-align: left;">Awful potentiometers with exposed resistive tracks. Dual plastic handles are just for impression and are making it hard to operate as these potentiometers tend to get stuck. </div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEheqwZqsqtEnGutIbkBmUufbBClPmQJAvWQOa9J40QuR_JsokEADx6gh-dktrVlXd1OKZd_gHtMBf0RtzUs8cf82RpHh4UqjT5gpHq9D6kvcB0t9hpSpyIORQWTB1d4Lqjt42C2XegzExNumtDdDpniZSIH-ZX7BPqrxkZFlbbOwVlEfv40rjfv2m3vkQ" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="319" data-original-width="700" height="146" src="https://blogger.googleusercontent.com/img/a/AVvXsEheqwZqsqtEnGutIbkBmUufbBClPmQJAvWQOa9J40QuR_JsokEADx6gh-dktrVlXd1OKZd_gHtMBf0RtzUs8cf82RpHh4UqjT5gpHq9D6kvcB0t9hpSpyIORQWTB1d4Lqjt42C2XegzExNumtDdDpniZSIH-ZX7BPqrxkZFlbbOwVlEfv40rjfv2m3vkQ" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEjrkEuCFZeHtd_JuU8pmBx-LX5etgOWI0baOdZh_nTdw-zAvtxdr4xj7_M1VWfFXZ1QMbpsPU5eQ9Lr4oXuSAz1_KaNu1I_-6-lPeibVH9DVtaJxzmBcr8Wa0K6v3l5HuUBW0uk8w2U_8zW-iDfZVUoCWyr2T70ckD6GFB3UgObldRgXZMxdx7o6_U7zQ" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="490" data-original-width="1000" height="157" src="https://blogger.googleusercontent.com/img/a/AVvXsEjrkEuCFZeHtd_JuU8pmBx-LX5etgOWI0baOdZh_nTdw-zAvtxdr4xj7_M1VWfFXZ1QMbpsPU5eQ9Lr4oXuSAz1_KaNu1I_-6-lPeibVH9DVtaJxzmBcr8Wa0K6v3l5HuUBW0uk8w2U_8zW-iDfZVUoCWyr2T70ckD6GFB3UgObldRgXZMxdx7o6_U7zQ" width="320" /></a></div>BA3416BL - dual preamplifier (playback only) designed for dual cassette decks.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEiRYJmcjmiwogBWWZsC8nrnA8uG6Hxz5kB5csG0MUdZNGWx6wyx0yv8ip7kTeOALF8VhAvB5IUVe_7CI4YV5aY1mzsapdGZ4WPka9J7P4g_b1zcg_BnVu8ZS9R2rWNnqlvUsTHd65jNwwDA9NTRvIAQwg0VDNVmL9NGbl7bswyabicsWAyV4YVgupoC1w" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="446" data-original-width="700" height="204" src="https://blogger.googleusercontent.com/img/a/AVvXsEiRYJmcjmiwogBWWZsC8nrnA8uG6Hxz5kB5csG0MUdZNGWx6wyx0yv8ip7kTeOALF8VhAvB5IUVe_7CI4YV5aY1mzsapdGZ4WPka9J7P4g_b1zcg_BnVu8ZS9R2rWNnqlvUsTHd65jNwwDA9NTRvIAQwg0VDNVmL9NGbl7bswyabicsWAyV4YVgupoC1w" width="320" /></a></div>BA3312N - dual preamplifier with automatic level control for cassette recorders.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEijGY30isS0hj6XlGev62tkuoixMDPWcEf0OFh_LrdJ6yCWxuEJ44JOfulTtrP5xNkDFRLwiTjCPAQrJnuCTGjyXNROYGp5BHfIiTRuJuc4ml9wMivwr2WxFb0IcdU9oyna4QwV6rdJ_s2x9esflbDRotKWZ9QZQOjyT_JSJc8jFdYYo5RbCsdR7W3o6w" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="403" data-original-width="700" height="184" src="https://blogger.googleusercontent.com/img/a/AVvXsEijGY30isS0hj6XlGev62tkuoixMDPWcEf0OFh_LrdJ6yCWxuEJ44JOfulTtrP5xNkDFRLwiTjCPAQrJnuCTGjyXNROYGp5BHfIiTRuJuc4ml9wMivwr2WxFb0IcdU9oyna4QwV6rdJ_s2x9esflbDRotKWZ9QZQOjyT_JSJc8jFdYYo5RbCsdR7W3o6w" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEjyF7QZ0oL4_hRlD1hgIcYnrnewq2nX4iEdJrkMVNcrrrG7lM8s5XW9RLpdo1RpnqAS0Z6vSQweZKkecM7nA533NrZC-hqBkQloTi0lqweekJ-_kCYEPFxNpOlc5ZwnodnqgmXQ3eirPQ2KHz3VvKU1K7xY0C2RoR5tqWYY4jQny7IEdd99rGKxpGsppA" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="745" data-original-width="1000" height="238" src="https://blogger.googleusercontent.com/img/a/AVvXsEjyF7QZ0oL4_hRlD1hgIcYnrnewq2nX4iEdJrkMVNcrrrG7lM8s5XW9RLpdo1RpnqAS0Z6vSQweZKkecM7nA533NrZC-hqBkQloTi0lqweekJ-_kCYEPFxNpOlc5ZwnodnqgmXQ3eirPQ2KHz3VvKU1K7xY0C2RoR5tqWYY4jQny7IEdd99rGKxpGsppA" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEjz4KNCT-ZU9WroWueJbgYdH5Bd5-xVm-G2v8O4rbU3tNDVdCjb8k3W5ZX9U1dkKTqhEJxeNoI7egWs7z9n9nKgeF1LAdLeI8yMRQnioUg9U-wjccF1S-2zhVEeC_PDOI3T5oEVhZFpZbF3m0kTB6kXCLwTnLVIQ1dw0InBf5_UORYwa0jgYe7qGL__mQ" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="663" data-original-width="1000" height="212" src="https://blogger.googleusercontent.com/img/a/AVvXsEjz4KNCT-ZU9WroWueJbgYdH5Bd5-xVm-G2v8O4rbU3tNDVdCjb8k3W5ZX9U1dkKTqhEJxeNoI7egWs7z9n9nKgeF1LAdLeI8yMRQnioUg9U-wjccF1S-2zhVEeC_PDOI3T5oEVhZFpZbF3m0kTB6kXCLwTnLVIQ1dw0InBf5_UORYwa0jgYe7qGL__mQ" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEhlJZxjHI81UVa_ykNtNFXX3jn6YDFxqHnO9s6za7tq6EqOeDN2cim42eMzth6yVHtOKXsnGgIDEf9m0b3pOtlVknLtqfPw8BEPEDc65A_KHQ3oGftVr_4FzfWrL22xxETID3tZA6G4x5mErROPVceC2DOTbGPuZmzpm8iPu-lyP6W7wwMIsnT9w4dTNg" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="981" data-original-width="1000" height="240" src="https://blogger.googleusercontent.com/img/a/AVvXsEhlJZxjHI81UVa_ykNtNFXX3jn6YDFxqHnO9s6za7tq6EqOeDN2cim42eMzth6yVHtOKXsnGgIDEf9m0b3pOtlVknLtqfPw8BEPEDc65A_KHQ3oGftVr_4FzfWrL22xxETID3tZA6G4x5mErROPVceC2DOTbGPuZmzpm8iPu-lyP6W7wwMIsnT9w4dTNg" width="245" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEi_SStnwpksW1FBD9LjoZY23CErNAOi5qpJYh3RbLh1NIn6YuktsdS24FvuMKOMUGb1hCem-d6nn5kPUUaYQEGoJyeljGcFFYxo4koTpeW6TL_gnc0rA65tRATXHMuQw52CP1FYXu5W-k3n2EG2_UGJymlUcUSiyCpw6tOoahwGGhopWfpb1M-TbRkEuA" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="738" data-original-width="1000" height="236" src="https://blogger.googleusercontent.com/img/a/AVvXsEi_SStnwpksW1FBD9LjoZY23CErNAOi5qpJYh3RbLh1NIn6YuktsdS24FvuMKOMUGb1hCem-d6nn5kPUUaYQEGoJyeljGcFFYxo4koTpeW6TL_gnc0rA65tRATXHMuQw52CP1FYXu5W-k3n2EG2_UGJymlUcUSiyCpw6tOoahwGGhopWfpb1M-TbRkEuA" width="320" /></a></div><div style="text-align: left;">Radio scale drive looks rather random, line is scratching plastic post.</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEgQ5wTt0hM0jeteZTkFq7MjbfR4twNurfHvk2c_l2Pe2XQUdCO5k3kDGdaevcbEV-KAnR8CrMYPQ7xxGzSr4IoXST3K0hSjsrMmXQEloy2cTVe7kFwInB1CHfe5qIreTLRQ_2aHmGGt6CFGqlMi7IcpHujeFOLNsa3cp9FKlPX_H42xJxeoN0OjqyIk-A" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="597" data-original-width="700" height="240" src="https://blogger.googleusercontent.com/img/a/AVvXsEgQ5wTt0hM0jeteZTkFq7MjbfR4twNurfHvk2c_l2Pe2XQUdCO5k3kDGdaevcbEV-KAnR8CrMYPQ7xxGzSr4IoXST3K0hSjsrMmXQEloy2cTVe7kFwInB1CHfe5qIreTLRQ_2aHmGGt6CFGqlMi7IcpHujeFOLNsa3cp9FKlPX_H42xJxeoN0OjqyIk-A" width="281" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEiGsQv2Cl_qN5FNnMBEK3o1tszKipNV0nx4BqS5bKRDfYpB1jJs48z2D3BF3hcnhwfLAoSGj0HkHQpacDMDy4MbYPYjtaWrX_ZLQ8raSTUB8ufA5yuUMPP-HozeAAXUyRxutbFko2ztMwmWi4afvGQSmmJWFeZtbjvxDI299dXWwJuo6nhuZMOKO8w4UA" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="845" data-original-width="1000" height="240" src="https://blogger.googleusercontent.com/img/a/AVvXsEiGsQv2Cl_qN5FNnMBEK3o1tszKipNV0nx4BqS5bKRDfYpB1jJs48z2D3BF3hcnhwfLAoSGj0HkHQpacDMDy4MbYPYjtaWrX_ZLQ8raSTUB8ufA5yuUMPP-HozeAAXUyRxutbFko2ztMwmWi4afvGQSmmJWFeZtbjvxDI299dXWwJuo6nhuZMOKO8w4UA" width="284" /></a></div><div class="separator" style="clear: both; text-align: center;"><br /></div><div style="text-align: left;">Motors might be actually reusable and these are probably original Matsushita (record player) / Mabuchi (dual cassette deck).</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEhzokWfhs3LRmiB9XFLJo_ARTyHl0QqBJ_2PjYQIfr_eofKt3Eijz3klwnZZGMsFHWUCcYP1cmLB1l1Jz1Jz2FHRwMlxjjAHx07RcmSA1JIX9dTEN2bq3BUiWgD8q9i3Fencez9BF8r2fNxVuW3NiOcyV7NNRNJ9QhdsQ5DAoYLgVB0lGpFZVXKPi-yfQ" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="448" data-original-width="700" height="205" src="https://blogger.googleusercontent.com/img/a/AVvXsEhzokWfhs3LRmiB9XFLJo_ARTyHl0QqBJ_2PjYQIfr_eofKt3Eijz3klwnZZGMsFHWUCcYP1cmLB1l1Jz1Jz2FHRwMlxjjAHx07RcmSA1JIX9dTEN2bq3BUiWgD8q9i3Fencez9BF8r2fNxVuW3NiOcyV7NNRNJ9QhdsQ5DAoYLgVB0lGpFZVXKPi-yfQ" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEgM0FTUzQw_aIHr3jhc3LKjjycek7t0n7ymETNkuBYg7GZHMUNaZuTH8M0fACwIF6eMiATqh5D8MC0S72rm_rWWZskm8uz4pSK57o4VrQkB5HfNhltFh3v9INsuNRPlrERugFhGf133IOsUgEIHbOgur19t89CPtiUL3o6AE4xLt7JMwtXnpRcxuAqwZQ" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="656" data-original-width="1000" height="210" src="https://blogger.googleusercontent.com/img/a/AVvXsEgM0FTUzQw_aIHr3jhc3LKjjycek7t0n7ymETNkuBYg7GZHMUNaZuTH8M0fACwIF6eMiATqh5D8MC0S72rm_rWWZskm8uz4pSK57o4VrQkB5HfNhltFh3v9INsuNRPlrERugFhGf133IOsUgEIHbOgur19t89CPtiUL3o6AE4xLt7JMwtXnpRcxuAqwZQ" width="320" /></a></div><br /><br /><br /><br /><br /><br /><br /><br /><br /></div><br /><br /></div><br /><p></p>Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-4030197149523771443.post-11072492167345011942022-06-18T16:50:00.003+02:002022-06-24T23:39:48.378+02:00AK103E (CM6206-LX) sound card<p>Cheap (~$12, less if shipped directly from China) USB sound card with SPDIF input and output (my main reason to buy it).</p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjkKWlkLL--nhhqZJ69sQEt-V_u59PTb53osVEfJsLRdglqYMp7cte2cUk1x1oRPr6ZIFlxBm05PQCPL5a1C9BwmVY8P02NtOns8qSDMytRL_4tPklz9oCMXc6y8w1f-ZZ_x_ga47ONxv99y0NTWfjvLMX0wuAdg3X7pPFKMgDo_dA1I3jErI2nUuKalQ/s698/CM6206_01.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="698" data-original-width="600" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjkKWlkLL--nhhqZJ69sQEt-V_u59PTb53osVEfJsLRdglqYMp7cte2cUk1x1oRPr6ZIFlxBm05PQCPL5a1C9BwmVY8P02NtOns8qSDMytRL_4tPklz9oCMXc6y8w1f-ZZ_x_ga47ONxv99y0NTWfjvLMX0wuAdg3X7pPFKMgDo_dA1I3jErI2nUuKalQ/s320/CM6206_01.jpg" width="275" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhdZz0AAqmC8CKuivJwxMhnCvRch8vpcPuUTktKtkdkkozwZa81rVz3RCQAAHrYLCppoyX_YPOIKG5d__zRbqVxYkz6h5G3aVHKIBHoJxopwrNtvWtjaQqrx39q_vM1VNB5lIvPg8DCq0gvwsI_2-ilWUNnQog4VVbAl7BpXVegZWxB7UXo7CyctTov-w/s854/CM6206_02.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="854" data-original-width="800" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhdZz0AAqmC8CKuivJwxMhnCvRch8vpcPuUTktKtkdkkozwZa81rVz3RCQAAHrYLCppoyX_YPOIKG5d__zRbqVxYkz6h5G3aVHKIBHoJxopwrNtvWtjaQqrx39q_vM1VNB5lIvPg8DCq0gvwsI_2-ilWUNnQog4VVbAl7BpXVegZWxB7UXo7CyctTov-w/s320/CM6206_02.jpg" width="300" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiFwRH_OtNYpr1xESDbBt1xk7CGtQMJiA4rEVd9CvS3k1tLVvCOZnvt6KjQzRYI1ieZVpHu3EBdDIXVLbmhN9UHzuHgPwtgOZ81htDnyHL1_bapVNCS36eIsVeSY8WenWO1WtEi-REalUC-ujSaW1oDMdg5w2bXOtuSCbORtHHxelEUaaqdRcy5QjLubA/s1000/CM6206_03.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="261" data-original-width="1000" height="84" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiFwRH_OtNYpr1xESDbBt1xk7CGtQMJiA4rEVd9CvS3k1tLVvCOZnvt6KjQzRYI1ieZVpHu3EBdDIXVLbmhN9UHzuHgPwtgOZ81htDnyHL1_bapVNCS36eIsVeSY8WenWO1WtEi-REalUC-ujSaW1oDMdg5w2bXOtuSCbORtHHxelEUaaqdRcy5QjLubA/s320/CM6206_03.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjaVW7cEWR8ZfPd1YIaggrUnan-XYSo5OVM6xRaDWvLIUupIcCyq5xOIXEHt4AQu_BYl5mgcwOdvcRL_0Sw9R-BiLuAPRhtDgz5LoPReEHTsEFKtRRHzdkrz-8-P8SWz0B3Vp8GMC2qy01o8babqTD7HHtxUWqtPJ9bMiyMz02Ln5LCbEmgbGtshLbYBg/s1000/CM6206_04.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="563" data-original-width="1000" height="180" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjaVW7cEWR8ZfPd1YIaggrUnan-XYSo5OVM6xRaDWvLIUupIcCyq5xOIXEHt4AQu_BYl5mgcwOdvcRL_0Sw9R-BiLuAPRhtDgz5LoPReEHTsEFKtRRHzdkrz-8-P8SWz0B3Vp8GMC2qy01o8babqTD7HHtxUWqtPJ9bMiyMz02Ln5LCbEmgbGtshLbYBg/s320/CM6206_04.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhOh9r8ifVeztAjij4OSqe-FLojGeKjK930LwcWIBREQfmpmPl9Ww1PVhhjWsW-CAuIFhfZfTpasbXCBkDhY0zpiMXv1_4xjWKuCJKHrS2tEz7y2z1dsi6PrIMcdJ9ArhVwvoBm7_PW4nzGxes_Ae2LvhmN30apVbuidEeLccV3fpODcuQoKZC0yTomAw/s1200/CM6206_05.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="615" data-original-width="1200" height="164" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhOh9r8ifVeztAjij4OSqe-FLojGeKjK930LwcWIBREQfmpmPl9Ww1PVhhjWsW-CAuIFhfZfTpasbXCBkDhY0zpiMXv1_4xjWKuCJKHrS2tEz7y2z1dsi6PrIMcdJ9ArhVwvoBm7_PW4nzGxes_Ae2LvhmN30apVbuidEeLccV3fpODcuQoKZC0yTomAw/s320/CM6206_05.jpg" width="320" /></a></div>Irregular PCB shape - I'm guessing 2 PCB pieces are made from one panel, this would save about 5 cm^2 of the PCB. Producent margin and labor cost must be pretty low if this is economically viable.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEga8a9Rlr3qRX2y1w7XqT5wH1lKNX3g73DQ_GhrfuxeeFkctf2BZ-Zr9yRm4yc4C03XnJv4gMQBZWa5d9RAFMvWj0a2qbAoLLhiEpYHsSnGu0-j-p4gcFT-LHlOU82TLpbCkaqJzvbms5hte7fEzl0_LppXEFEvB9wteQ3Ah2mKGYqN5iVFK4ivi4TA-A/s1200/CM6206_06.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="891" data-original-width="1200" height="238" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEga8a9Rlr3qRX2y1w7XqT5wH1lKNX3g73DQ_GhrfuxeeFkctf2BZ-Zr9yRm4yc4C03XnJv4gMQBZWa5d9RAFMvWj0a2qbAoLLhiEpYHsSnGu0-j-p4gcFT-LHlOU82TLpbCkaqJzvbms5hte7fEzl0_LppXEFEvB9wteQ3Ah2mKGYqN5iVFK4ivi4TA-A/s320/CM6206_06.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEicpr8k-l-dem-KC8XpsUbXpNUm1-pnDnUw6fToNQ92i8TR9NxnMDuqI8jodNwtqRtr9Ja_5TjNa6YjhNmIw3LK-ZjU-sqKV6ZcZQM54AYHrQWHzo6oSZjHl1L4iBPdYdvAFziwJ3zWXGR3s85gGfO_-vYKDOEJrvUv25v6acdnmwvykef3Ssv6kw08gg/s1200/CM6206_07.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="900" data-original-width="1200" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEicpr8k-l-dem-KC8XpsUbXpNUm1-pnDnUw6fToNQ92i8TR9NxnMDuqI8jodNwtqRtr9Ja_5TjNa6YjhNmIw3LK-ZjU-sqKV6ZcZQM54AYHrQWHzo6oSZjHl1L4iBPdYdvAFziwJ3zWXGR3s85gGfO_-vYKDOEJrvUv25v6acdnmwvykef3Ssv6kw08gg/s320/CM6206_07.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjVZ7z8mbiQKdLuAy4eZ3uNKwVRsjU8ocIKYXPpacgJI818ioaKv5sntxsrkxtD7Tu9FpnSdYjVCCJ9Qsbnu5-sZd8XVHE6tE636AWk6qkGfwWPyPNw8PeqMV9NK1u8cGRvEFHAf7LxNQeKoOKnphzIbRZDvvJMFVlO7s229m3ukUZucUQjEC02J2JuAA/s1000/CM6206_08.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="570" data-original-width="1000" height="182" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjVZ7z8mbiQKdLuAy4eZ3uNKwVRsjU8ocIKYXPpacgJI818ioaKv5sntxsrkxtD7Tu9FpnSdYjVCCJ9Qsbnu5-sZd8XVHE6tE636AWk6qkGfwWPyPNw8PeqMV9NK1u8cGRvEFHAf7LxNQeKoOKnphzIbRZDvvJMFVlO7s229m3ukUZucUQjEC02J2JuAA/s320/CM6206_08.jpg" width="320" /></a></div><a href="https://tehnoblog.org/c-media-cm6206-5-1-usb-audio-sound-card-line-in-line-out-bass-extension-low-frequency-response-upgrade/">https://tehnoblog.org/c-media-cm6206-5-1-usb-audio-sound-card-line-in-line-out-bass-extension-low-frequency-response-upgrade/</a> has quite detailed description of similar sound card. While mine has slightly different PCB (SMD capacitors, slightly smaller, not rectangular, no headphone output pins on the PCB, no pads for EEPROM) it also had incorrect polarization of electrolytic capacitors at the outputs:<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgeuGi5ovR7oMRPSSxmnOqvyWvIrAJO8cxGIPoB-yrTIwss0e46SRw-VhSDlhcpBCFFaSNP1FEwe8j_0YyfjyFPSoQAn04tzlVf3ekFuSELl7Em3Sgh8Y_POUx4x5sjBcxjGM9ieurx8dveZ3r71QVebzV_YXe5XZ_BZy1ujpl_VRsGie3KS7U6f-rQkg/s1000/CM6206_09.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="778" data-original-width="1000" height="249" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgeuGi5ovR7oMRPSSxmnOqvyWvIrAJO8cxGIPoB-yrTIwss0e46SRw-VhSDlhcpBCFFaSNP1FEwe8j_0YyfjyFPSoQAn04tzlVf3ekFuSELl7Em3Sgh8Y_POUx4x5sjBcxjGM9ieurx8dveZ3r71QVebzV_YXe5XZ_BZy1ujpl_VRsGie3KS7U6f-rQkg/s320/CM6206_09.jpg" width="320" /></a></div><div class="separator" style="clear: both; text-align: left;">Older (?) PCB variant, with THT capacitors seems better overall, having more capabilities (headphone output pads, EEPROM pads). SMD capacitors are also placed near to audio jacks, so they are not as convenient when fixing their polarity, requiring soldering iron with thin tip.</div><div class="separator" style="clear: both; text-align: left;">Following linked blog I've also replaced C30 and C31 with higher values - 2 x 1 uF (1.2 uF actually measured), 0805 size (they still fit, even of original were 0603) as 85 Hz cut-off frequency with default 100 nF capacitors would be pretty ridiculous and confusing.</div>Software is just awful, with multiple layers of transparency that cannot be disabled. Also what is weird - CMedia shares reasonably detailed (33 pages) datasheet of this chip but does not seem to provide drivers, so don't throw up mini-CD included in the box. There are drivers for Windows 7, 8.1 and 10 while local distributor shared only driver for Windows 10 on webpage.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiqw9b5Qix8KbvDvhHYNDFho45z6xOI_7_soPN7jck7dco9Cfd6-vblFY0l5VlYuFTWOhA2jmtOV7QB5yWqvKy8P5I3j-k_Z8aU5yXwDaI0uEGdR_6drwgwDS-FRnv-VohYVR74ldhN8aduWqUHdTtUCBjTdkSq0YwAaE8IGG-llEdcfpuwuNROv-PcuQ/s853/cmedia_01.png" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="638" data-original-width="853" height="239" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiqw9b5Qix8KbvDvhHYNDFho45z6xOI_7_soPN7jck7dco9Cfd6-vblFY0l5VlYuFTWOhA2jmtOV7QB5yWqvKy8P5I3j-k_Z8aU5yXwDaI0uEGdR_6drwgwDS-FRnv-VohYVR74ldhN8aduWqUHdTtUCBjTdkSq0YwAaE8IGG-llEdcfpuwuNROv-PcuQ/s320/cmedia_01.png" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhAkPcWAGuvovQNqLDO-VLUsyzMADbwpDLiFNVU_EkwbeOnHonDzU3Owg3lmAoNXjfXtYZtx1at9apERyUnoPtKYDH6VUknHBbkbW4CnA6YbCTgRa0aI2Pq5O_P4dl_h6Ef57vIqkC8_pet7aCTeSPuPBMRmcgh7uy9I1Bp0SJpxKqK0nCDUF81utlcFw/s953/cmedia_02.png" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="647" data-original-width="953" height="217" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhAkPcWAGuvovQNqLDO-VLUsyzMADbwpDLiFNVU_EkwbeOnHonDzU3Owg3lmAoNXjfXtYZtx1at9apERyUnoPtKYDH6VUknHBbkbW4CnA6YbCTgRa0aI2Pq5O_P4dl_h6Ef57vIqkC8_pet7aCTeSPuPBMRmcgh7uy9I1Bp0SJpxKqK0nCDUF81utlcFw/s320/cmedia_02.png" width="320" /></a></div>While this kind of software should be simple to use, it is quite unintuitive. I found few comments that SPDIF output is not working on this card and I'm not surprised, it took me maybe 30 minutes to figure it out. While this sound card could have up to three outputs (line out, headphones - not available on this PCB - and SPDIF) they cannot be switched using Windows mixer as it would always show two inactive outputs as "disconnected" (even though detecting disconnected SPDIF output would cost more than this whole card). Only one output can be active at the time, so you can't have Line Out and SPDIF playing same time. In "Xear" CMedia software two out of three outputs would be grayed. You cannot just click on Speaker/Headphone/SPDIF output icon to switch to this (even if same action works for audio inputs), you have to use context menu of the icon from currently selected output (for example to switch from SPDIF to any other output you would have to use "SPDIF-Out Settings", to switch from Line Out to SPDIF - "Speaker Settings").<p></p><p>Other issue: I've never seen other sound card where lowering volume down to 0 would not mute sound completely.<br /></p><p>It is quite hard to unplug optical cable from SPDIF output (input is fine). I'm guessing output socket (or its solder joints) might fail early.</p><div class="separator" style="clear: both; text-align: center;"><br /></div><div class="separator" style="clear: both; text-align: left;"><b>RMAA line out -> line in loopback results (after correcting capacitor polarity and swapping line-in capacitors to 2x 1u)</b>:</div><div class="separator" style="clear: both; text-align: left;">Summary</div><div class="separator" style="clear: both; text-align: left;"><table align="center" border="0" cellpadding="3" cellspacing="0" style="width: 600px;"><tbody><tr bgcolor="#eaeaea"><td>Frequency response (from 40 Hz to 15 kHz), dB</td><td><div align="center">+0.25, -0.31</div></td><td><div align="center">Good</div></td></tr><tr bgcolor="#f0f0f0"><td>Noise level, dB (A)</td><td><div align="center">-87.1</div></td><td><div align="center">Good</div></td></tr><tr bgcolor="#eaeaea"><td>Dynamic range, dB (A)</td><td><div align="center">87.2</div></td><td><div align="center">Good</div></td></tr><tr bgcolor="#f0f0f0"><td>THD, %</td><td><div align="center">0.00895</div></td><td><div align="center">Very good</div></td></tr><tr bgcolor="#eaeaea"><td>THD + Noise, dB (A)</td><td><div align="center">-76.6</div></td><td><div align="center">Average</div></td></tr><tr bgcolor="#f0f0f0"><td>IMD + Noise, %</td><td><div align="center">0.036</div></td><td><div align="center">Good</div></td></tr><tr bgcolor="#eaeaea"><td>Stereo crosstalk, dB</td><td><div align="center">-82.1</div></td><td><div align="center">Very good</div></td></tr><tr bgcolor="#f0f0f0"><td>IMD at 10 kHz, %</td><td><div align="center">0.016</div></td><td><div align="center">Very good</div></td></tr><tr bgcolor="#eaeaea"><td><strong>General performance</strong></td><td><div align="center"> </div></td><td><div align="center"><strong>Good</strong></div></td></tr></tbody></table>Frequency response</div><div class="separator" style="clear: both; text-align: left;"><table align="center" border="0" cellpadding="3" cellspacing="0" style="width: 400px;"><tbody><tr bgcolor="#eaeaea"><td> </td><td><div align="center">Left</div></td><td><div align="center">Right</div></td></tr><tr bgcolor="#f0f0f0"><td>From 20 Hz to 20 kHz, dB</td><td><div align="center">-1.68, +0.25</div></td><td><div align="center">-1.56, +0.37</div></td></tr><tr bgcolor="#eaeaea"><td>From 40 Hz to 15 kHz, dB</td><td><div align="center">-0.31, +0.25</div></td><td><div align="center">-0.19, +0.37</div></td></tr></tbody></table>Noise level</div><div class="separator" style="clear: both; text-align: left;"><table align="center" border="0" cellpadding="3" cellspacing="0" style="width: 400px;"><tbody><tr bgcolor="#eaeaea"><td> </td><td><div align="center">Left</div></td><td><div align="center">Right</div></td></tr><tr bgcolor="#f0f0f0"><td>RMS power, dB</td><td><div align="center">-85.9</div></td><td><div align="center">-85.9</div></td></tr><tr bgcolor="#eaeaea"><td>RMS power (A-weighted), dB</td><td><div align="center">-87.1</div></td><td><div align="center">-87.1</div></td></tr><tr bgcolor="#f0f0f0"><td>Peak level, dB FS</td><td><div align="center">-72.2</div></td><td><div align="center">-71.5</div></td></tr><tr bgcolor="#eaeaea"><td>DC offset, %</td><td><div align="center">+0.8</div></td><td><div align="center">+2.6</div></td></tr></tbody></table></div><div class="separator" style="clear: both; text-align: left;">Dynamic range</div><div class="separator" style="clear: both; text-align: left;"><table align="center" border="0" cellpadding="3" cellspacing="0" style="width: 400px;"><tbody><tr bgcolor="#eaeaea"><td> </td><td><div align="center">Left</div></td><td><div align="center">Right</div></td></tr><tr bgcolor="#f0f0f0"><td>Dynamic range, dB</td><td><div align="center">+85.9</div></td><td><div align="center">+86.0</div></td></tr><tr bgcolor="#eaeaea"><td>Dynamic range (A-weighted), dB</td><td><div align="center">+87.2</div></td><td><div align="center">+87.3</div></td></tr><tr bgcolor="#f0f0f0"><td>DC offset, %</td><td><div align="center">+0.80</div></td><td><div align="center">+2.58</div></td></tr></tbody></table><br /></div><div class="separator" style="clear: both; text-align: left;">One other modification I've tried was adding 10u ceramic capacitor at the voltage regulator output. No noticeable difference was observed, except for channel separation increasing by 1 dB.</div><p></p>Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-4030197149523771443.post-92153054645684200132022-06-16T18:45:00.000+02:002022-06-16T18:45:14.357+02:00GTV LD ZASL6W-30 LED power supply<div class="separator" style="clear: both; text-align: left;">Small (up to 6W) LED power supply, 12V/0.5A</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiziIsnLPW6Q4rnhGwI35cGIKZV428xBZEKe-aEmNejxzHB9dsLJZ8GE_7TEcCnC2N9vHouaofjAVQCOtZehHmiP42rxOc6jbqdj3LE6bkp-KAWq1NOODBDlRpsiRn9Iq2HmsZnuHk9FcK-FvF2URJ9wH8bDPnr2FRASXBUoQrBLPflrJpTXbkNAdDcwg/s1000/ZASL6W_01.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="490" data-original-width="1000" height="157" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiziIsnLPW6Q4rnhGwI35cGIKZV428xBZEKe-aEmNejxzHB9dsLJZ8GE_7TEcCnC2N9vHouaofjAVQCOtZehHmiP42rxOc6jbqdj3LE6bkp-KAWq1NOODBDlRpsiRn9Iq2HmsZnuHk9FcK-FvF2URJ9wH8bDPnr2FRASXBUoQrBLPflrJpTXbkNAdDcwg/s320/ZASL6W_01.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg67RISU7vqE9NuY6lQ0ulKn1sKfXCnwpKrgPpSfq4_EKsGsqp_LT8y9Hlu58jm09qjQVe98jNWrZFiCLtP480Ry4QBAcfShLBImnn2oE18HldrWewAaZlY8fiWwa1PCsKJAkseM2cs-Jo2zl_TEDkBVidsryumCtpf-YNLw_n7SAI433f-JH3hSClqUA/s1000/ZASL6W_02.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="534" data-original-width="1000" height="171" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg67RISU7vqE9NuY6lQ0ulKn1sKfXCnwpKrgPpSfq4_EKsGsqp_LT8y9Hlu58jm09qjQVe98jNWrZFiCLtP480Ry4QBAcfShLBImnn2oE18HldrWewAaZlY8fiWwa1PCsKJAkseM2cs-Jo2zl_TEDkBVidsryumCtpf-YNLw_n7SAI433f-JH3hSClqUA/s320/ZASL6W_02.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjGVQuhon7sPX7NiBXgc_ZOPctXMJkzOoh1kyR9wnZtGeHhpgE9gaBBokhYGfdJ7hV3qRKtdaVFvYw_0BNdVeGgFE8UPQxXV5-CEyQpo99Y2iDmPtNB41_p18DHu9-44MKMQmj-ou7dp-a7GOo7IwabxMrOn9FdIoSzJgzblVhDtJ2JDOSCMr99oHh1dA/s1000/ZASL6W_03.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="807" data-original-width="1000" height="258" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjGVQuhon7sPX7NiBXgc_ZOPctXMJkzOoh1kyR9wnZtGeHhpgE9gaBBokhYGfdJ7hV3qRKtdaVFvYw_0BNdVeGgFE8UPQxXV5-CEyQpo99Y2iDmPtNB41_p18DHu9-44MKMQmj-ou7dp-a7GOo7IwabxMrOn9FdIoSzJgzblVhDtJ2JDOSCMr99oHh1dA/s320/ZASL6W_03.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhJ0pkIX8NZXY307Gf40H0skIK6s5i5LFG-Uwnm8H0SaiziEWQIk0W3xA0fRhLRuCnsnCiiPyyFw8b6j3Gz5TKoxI8D1EI00YB_YAJ9NHAPW_d-qwM_XvLRLSZVCi-t5gYlU0M9P2cqEdiSJybAQ4CCOpH-gMTnLGMzonovIVbTgoi4GE-WKYlAd3SH-w/s1000/ZASL6W_04.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="534" data-original-width="1000" height="171" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhJ0pkIX8NZXY307Gf40H0skIK6s5i5LFG-Uwnm8H0SaiziEWQIk0W3xA0fRhLRuCnsnCiiPyyFw8b6j3Gz5TKoxI8D1EI00YB_YAJ9NHAPW_d-qwM_XvLRLSZVCi-t5gYlU0M9P2cqEdiSJybAQ4CCOpH-gMTnLGMzonovIVbTgoi4GE-WKYlAd3SH-w/s320/ZASL6W_04.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiAJDSNYQh2esjx9mNs_8vKhBhaLY7ZLn3CgpLm_b9JC5GZqiCjY-fMY4XKkCoXDKkwhB6KEVD7ES4i6fLOyr3M2Q8uh5HBttefRQmSa0DXSAxqqEHCLRTE_ejyW0tvdlzYUhRNR0smDjgf-N_alJ36DlnfcKjynW4wJlQo8NfoeatWOSYW8a7qWoz4kw/s1000/ZASL6W_05.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="506" data-original-width="1000" height="162" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiAJDSNYQh2esjx9mNs_8vKhBhaLY7ZLn3CgpLm_b9JC5GZqiCjY-fMY4XKkCoXDKkwhB6KEVD7ES4i6fLOyr3M2Q8uh5HBttefRQmSa0DXSAxqqEHCLRTE_ejyW0tvdlzYUhRNR0smDjgf-N_alJ36DlnfcKjynW4wJlQo8NfoeatWOSYW8a7qWoz4kw/s320/ZASL6W_05.jpg" width="320" /></a></div>Repair:<div><ul style="text-align: left;"><li>C5 (47u/25V) was replaced as it completely lost it properties, not even being recognized by component tester as capacitor</li><li>THX203H needed replacing</li></ul><div>As this exact model costs $5, repairing it might be not worth the time. I thought this only capacitor failure at first, but driver chip was available at the local electronics store that I had to visit anyway for $0.75.</div><div>I'm not 100% sure if I've fixed everything as this power supply behaves somehow weird - it's output voltage is stable with 100 Ohm load (120 mA) but falls down to 9 V with 27 Ohm load (~300 mA).</div><div><br /></div><p><br /><br /></p></div>Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-4030197149523771443.post-85351749984337904642022-06-11T23:59:00.003+02:002022-06-12T01:32:39.487+02:00Asus VW223D monitor repair<p> This is 22" 16:10 (1680x1050) LCD monitor from 2008. It has CCFL backlight (4 tubes), so power consumption is rather high (55W according to user manual). I suspect this might be power consumption with maximum brightness, as in my test it heats up only a little. While I'll probably won't keep it, I like warm colors of this kind of monitors comparing them to LED/blueish cheap LED-backlight panels.</p><p>Disassembly: panel is screwed up to back part, front frame is held by one screw and latches.</p><p></p><div class="separator" style="clear: both; text-align: center;"><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhCrIbq3Eb13Kp5BM5tCgMFcy08oxUPCvXNZWixw_nGBBrGZ1WD38FZqt5yvWlVw95lD0pYUV3b4l5g0HYlGS4LUyUn8Gc0BawCQdI_UhiCN6L0_hc_4PqNcF5ZqenMdBhBpVz_Slo4g5uwD5A4fLBOaQkcy3SyfHCOz8AcxlSF80vA263zW1Huu0_vDQ/s1000/Asus_VW223D_01.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="505" data-original-width="1000" height="162" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhCrIbq3Eb13Kp5BM5tCgMFcy08oxUPCvXNZWixw_nGBBrGZ1WD38FZqt5yvWlVw95lD0pYUV3b4l5g0HYlGS4LUyUn8Gc0BawCQdI_UhiCN6L0_hc_4PqNcF5ZqenMdBhBpVz_Slo4g5uwD5A4fLBOaQkcy3SyfHCOz8AcxlSF80vA263zW1Huu0_vDQ/s320/Asus_VW223D_01.jpg" width="320" /></a></div>Only VGA input<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh1RHX3c4KyyBa6qEjiyFxkKDepbm2AGOisSHIIOo3Kg_nX8X5V2UzUFVNNKcZMCkKn2NSqLFy7ErOmkckvyS_C1PrkW6aaWEbbYx4LKrPPgRMY6yOSp-j9VAdfCqGh17VSpe7Z4N5eCl8ZqANqgmtjvojANAMsAeqZy8n4VUxLQwtfLHz7VlZpGTCxTQ/s1715/Asus_VW223D_02.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1597" data-original-width="1715" height="298" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh1RHX3c4KyyBa6qEjiyFxkKDepbm2AGOisSHIIOo3Kg_nX8X5V2UzUFVNNKcZMCkKn2NSqLFy7ErOmkckvyS_C1PrkW6aaWEbbYx4LKrPPgRMY6yOSp-j9VAdfCqGh17VSpe7Z4N5eCl8ZqANqgmtjvojANAMsAeqZy8n4VUxLQwtfLHz7VlZpGTCxTQ/s320/Asus_VW223D_02.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEivnEMi72w1_bCnNg6sANIjZsxwvUVje5rrcXPs6WH9JjCqv4r8Q8JfuzGaV_sDkZQMXWPoii-aoQ8OBbKg47COZoJYXxOswTU_q4j-wScz61OCtKEZiisGtDTZtvSjrQANESHWTEDHjX_FI5HvKssQlwId4QR8OAnItCTBXzYXP0RU1zjPsQuxA3wQzA/s1000/Asus_VW223D_03.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="549" data-original-width="1000" height="176" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEivnEMi72w1_bCnNg6sANIjZsxwvUVje5rrcXPs6WH9JjCqv4r8Q8JfuzGaV_sDkZQMXWPoii-aoQ8OBbKg47COZoJYXxOswTU_q4j-wScz61OCtKEZiisGtDTZtvSjrQANESHWTEDHjX_FI5HvKssQlwId4QR8OAnItCTBXzYXP0RU1zjPsQuxA3wQzA/s320/Asus_VW223D_03.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjPH3LH5iKWAehlqCV41l_sCVin42tRNkRQ-A4vSysBBZM0-cCdLUVcvq9wpkyC1B9cxUbz-6RRGnmv1V1VhzEa1roDXVw0eCjwRfvEmpbv0-0C9Dnojcq2GQSJBhX0SDZSu0-eKTagzif2C1KBEMd9HUU5IBUG16IdSNLo8VYHKwmmpDVJEsllglFlog/s1000/Asus_VW223D_04.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="806" data-original-width="1000" height="258" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjPH3LH5iKWAehlqCV41l_sCVin42tRNkRQ-A4vSysBBZM0-cCdLUVcvq9wpkyC1B9cxUbz-6RRGnmv1V1VhzEa1roDXVw0eCjwRfvEmpbv0-0C9Dnojcq2GQSJBhX0SDZSu0-eKTagzif2C1KBEMd9HUU5IBUG16IdSNLo8VYHKwmmpDVJEsllglFlog/s320/Asus_VW223D_04.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjK3jG6wYVtAuJbvQocWMqcjH-rICrWRPohw0d1_3Y8o-tapJ2xiZavRucK4EUNEjHOq29KvoxJ55JiP3n6FYWHfGu6RKGXl_0_dRMbD0qx0ID04JRBcY7SPd_Lxm0wZSGGN3y2hcVxnx9C66PbMJQH2m3qEO7dS0jD9skql-3cMwRJwde5Cz_zaNOfmA/s1000/Asus_VW223D_05.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="625" data-original-width="1000" height="200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjK3jG6wYVtAuJbvQocWMqcjH-rICrWRPohw0d1_3Y8o-tapJ2xiZavRucK4EUNEjHOq29KvoxJ55JiP3n6FYWHfGu6RKGXl_0_dRMbD0qx0ID04JRBcY7SPd_Lxm0wZSGGN3y2hcVxnx9C66PbMJQH2m3qEO7dS0jD9skql-3cMwRJwde5Cz_zaNOfmA/s320/Asus_VW223D_05.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEidZdVpD_grneG9LK8GMk2L0JFDjv-tQk_S6nxhhWcCTzqJFZHe3ou_HW7mHvYf5nQFQCbplJNGB3op-xdeG661bY1CXrOqLIgr69RJOVf2Ls1k_FZk5pfVMCqTtHSXHpOit_wAI5JU2z0dXuvV08gG4xidDFaPClhfwBk9F-L3sk2CdfSMJDNDdZ39dA/s1000/Asus_VW223D_06.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="539" data-original-width="1000" height="172" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEidZdVpD_grneG9LK8GMk2L0JFDjv-tQk_S6nxhhWcCTzqJFZHe3ou_HW7mHvYf5nQFQCbplJNGB3op-xdeG661bY1CXrOqLIgr69RJOVf2Ls1k_FZk5pfVMCqTtHSXHpOit_wAI5JU2z0dXuvV08gG4xidDFaPClhfwBk9F-L3sk2CdfSMJDNDdZ39dA/s320/Asus_VW223D_06.jpg" width="320" /></a></div>Realtek RTD2554VH<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiGJyG8cmpciapaJYs6_QClBtyn3Y4KN3ob0ktWBuIceqJpGfnCKVcgncZlTxQ3z8f1NTOqWnotk4kYrZDcncH8QI_IjiFFdMCd35Yo1obHV2Ez7tPsamQ4hta9s6DWSkynCPf2KlomKN_yjR6xBRrM_EtzLs-YFlcX5a03OXD5A4GosfWiUgGrjjPCdQ/s1200/Asus_VW223D_07.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="766" data-original-width="1200" height="204" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiGJyG8cmpciapaJYs6_QClBtyn3Y4KN3ob0ktWBuIceqJpGfnCKVcgncZlTxQ3z8f1NTOqWnotk4kYrZDcncH8QI_IjiFFdMCd35Yo1obHV2Ez7tPsamQ4hta9s6DWSkynCPf2KlomKN_yjR6xBRrM_EtzLs-YFlcX5a03OXD5A4GosfWiUgGrjjPCdQ/s320/Asus_VW223D_07.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEibBbUdQRadD1z-vyxJO58vGUVaCPc2fMJeDga8vchUEvUbbna_pq8yd36iE9OP4zYh8rg2XXah0eYjoDobRA9oLb2zn2EJir0cDwMCmGIJxiBe0J2X7VPZ7iOsR4wpEwGyy8g9eukU1jAq86eXdP5IOCaEGUYSRIOr3eiprtfP_rukcfnM0F66x71BwQ/s1000/Asus_VW223D_08%20.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="793" data-original-width="1000" height="254" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEibBbUdQRadD1z-vyxJO58vGUVaCPc2fMJeDga8vchUEvUbbna_pq8yd36iE9OP4zYh8rg2XXah0eYjoDobRA9oLb2zn2EJir0cDwMCmGIJxiBe0J2X7VPZ7iOsR4wpEwGyy8g9eukU1jAq86eXdP5IOCaEGUYSRIOr3eiprtfP_rukcfnM0F66x71BwQ/s320/Asus_VW223D_08%20.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgQe2r9p6cTy_bA690EsY5Qm4F02xdis1ksw_Ej0aLqi22XlvjKGbxN2HGPre1TZECE6YVdl_snv1ca_8pS1gDxiDjXho3J40ZRSQKi0v0IBgnxj_pabhH53MU6_FwamqdsNWsN7f_tK-sju5ap9eoppsAgJ7urRaRdncTgoYRVnVrudyyHzkSwC5asQA/s1000/Asus_VW223D_09%20.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="687" data-original-width="1000" height="220" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgQe2r9p6cTy_bA690EsY5Qm4F02xdis1ksw_Ej0aLqi22XlvjKGbxN2HGPre1TZECE6YVdl_snv1ca_8pS1gDxiDjXho3J40ZRSQKi0v0IBgnxj_pabhH53MU6_FwamqdsNWsN7f_tK-sju5ap9eoppsAgJ7urRaRdncTgoYRVnVrudyyHzkSwC5asQA/s320/Asus_VW223D_09%20.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhBKKvMg7o73cFtt6-Seo3Ut2CtHZ2OMFNh4NXd45TysElBtblaUndOAQzyhEyL--cwn6RjS0pM_MYJ8u2hlztjG5K-2itxmjSH7tizG1v-33HxLG_gdeEw5QaaIpu4TBc3QTJ2vjA0cTrDldkM1Fh8uIRKCaq-OB5HWUZ03_nbsRs2HRqoQGilBDEI3w/s1000/Asus_VW223D_10%20.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="841" data-original-width="1000" height="269" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhBKKvMg7o73cFtt6-Seo3Ut2CtHZ2OMFNh4NXd45TysElBtblaUndOAQzyhEyL--cwn6RjS0pM_MYJ8u2hlztjG5K-2itxmjSH7tizG1v-33HxLG_gdeEw5QaaIpu4TBc3QTJ2vjA0cTrDldkM1Fh8uIRKCaq-OB5HWUZ03_nbsRs2HRqoQGilBDEI3w/s320/Asus_VW223D_10%20.jpg" width="320" /></a></div>Delta DAC-19M020 power supply, used also in other monitors. Apparently still available (as used products, so it might be hard to predict their expected life time) on aliexpress for less than $10.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj8ImmjnFw8asNKHoRsorq3zNgMUT3XfiYPihRORw4HPX3b7C58rClCqH4nyQJjHsW-gDs_qBUr0h-Shub6NaBmxRRolr3m9HbmI5NzZKPWp7KOaTcmEimeazOWsZ-IOcubW7fDvPk31GYLQXvnvdPCDNZjBi1l8jqqI4q0FWp163awg5g2ePcKvhZROQ/s600/Asus_VW223D_11%20.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="477" data-original-width="600" height="254" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj8ImmjnFw8asNKHoRsorq3zNgMUT3XfiYPihRORw4HPX3b7C58rClCqH4nyQJjHsW-gDs_qBUr0h-Shub6NaBmxRRolr3m9HbmI5NzZKPWp7KOaTcmEimeazOWsZ-IOcubW7fDvPk31GYLQXvnvdPCDNZjBi1l8jqqI4q0FWp163awg5g2ePcKvhZROQ/s320/Asus_VW223D_11%20.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjI3-5osYPl9RPhWChruQ1xmHjSbdfqXhQK22oExARTDhDrHKK1e5X-YbK19ivhhgty_f08uOuRJWJu3X2Bb3SNXZZBqalghy5l_nq06xHHDLsjEDAFT1QKHguVEvlJAFBnxg1hqSi38D_kn7aI0HVxqk-qKq6kHPl8TQR-ep9wPBVXEdRupIoTphpIkA/s1000/Asus_VW223D_12%20.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="576" data-original-width="1000" height="184" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjI3-5osYPl9RPhWChruQ1xmHjSbdfqXhQK22oExARTDhDrHKK1e5X-YbK19ivhhgty_f08uOuRJWJu3X2Bb3SNXZZBqalghy5l_nq06xHHDLsjEDAFT1QKHguVEvlJAFBnxg1hqSi38D_kn7aI0HVxqk-qKq6kHPl8TQR-ep9wPBVXEdRupIoTphpIkA/s320/Asus_VW223D_12%20.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjY6tOEVV5i3ZHu0JfBP4flqa6EI-M9XEE1bb5Ann8ik7pob9GuDWTK7roj8qudtQ17XAWnmiTLKFTFHHdamLTurL5MI65-cXftlGP5_J4_vRAN3qSUKmt2VpAudRV6Q23ONWMud3rjsF2RETVN7ceCBLIdrnbRVtsW6aoccP9E5s2GIQNlNupepUt8QQ/s1000/Asus_VW223D_13%20.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="677" data-original-width="1000" height="217" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjY6tOEVV5i3ZHu0JfBP4flqa6EI-M9XEE1bb5Ann8ik7pob9GuDWTK7roj8qudtQ17XAWnmiTLKFTFHHdamLTurL5MI65-cXftlGP5_J4_vRAN3qSUKmt2VpAudRV6Q23ONWMud3rjsF2RETVN7ceCBLIdrnbRVtsW6aoccP9E5s2GIQNlNupepUt8QQ/s320/Asus_VW223D_13%20.jpg" width="320" /></a></div>When I've tried to turn it on, it only was blinking shortly in regular intervals - pretty typical sign of power supply malfunction or overloading. It turned out to be typical failure, with 2200u/10V capacitors visibly bulging and losing capacity. Other capacitors seemed to be fine when measuring with tester, but I've actually replaced all electrolytic capacitors except for the high voltage one. <br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgeVES5gvj_Jx78pWxb7cY_7ZxMe67JqdUxle0C-0TdjiXz394SqnlGt4nqy48N3nJdJDGBc0gJVdpe2J1RjVGkh54m6c_hg6umzncwRnaBHmxPa6f-4uDE4upPQRF80sKGXpywQ5Z51eTq6vBuY25HoAyde8ZqCwFslymCROcvCqQpxNbqVVFnGhmdYA/s700/Asus_VW223D_14%20.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="586" data-original-width="700" height="268" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgeVES5gvj_Jx78pWxb7cY_7ZxMe67JqdUxle0C-0TdjiXz394SqnlGt4nqy48N3nJdJDGBc0gJVdpe2J1RjVGkh54m6c_hg6umzncwRnaBHmxPa6f-4uDE4upPQRF80sKGXpywQ5Z51eTq6vBuY25HoAyde8ZqCwFslymCROcvCqQpxNbqVVFnGhmdYA/s320/Asus_VW223D_14%20.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi-5lAtgGFWUV2hBG2QkKqbHijYM8wYAoNINPS_lqQ0Pbr-Di33v4nEQPmZ2jGgcQ30D8D-1Ns8yCr-5zwxHDDNW-AgBPA4EUKKqGJb1IGFVG5yyf_Vb4l-HVFoN3IEkzk3naCZ4D8pnhVL4qA5qsHf-B9ofAEREAwCI3CWNHE4XgH8gF6cdXtS_6mLIw/s1000/Asus_VW223D_15%20.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="807" data-original-width="1000" height="258" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi-5lAtgGFWUV2hBG2QkKqbHijYM8wYAoNINPS_lqQ0Pbr-Di33v4nEQPmZ2jGgcQ30D8D-1Ns8yCr-5zwxHDDNW-AgBPA4EUKKqGJb1IGFVG5yyf_Vb4l-HVFoN3IEkzk3naCZ4D8pnhVL4qA5qsHf-B9ofAEREAwCI3CWNHE4XgH8gF6cdXtS_6mLIw/s320/Asus_VW223D_15%20.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjH3Zj8mLXklMUhQCmouL5L2F_b1BKCPLB8wbBwgcbja-wTXdqefRlJo07eJ-GFNyYbYyMUijawmecXOjs3umh3Mo_GIQ9tL_ASKPSekx5LvLPweuBMBhGeJVGz-Jqu5VAvXFtnsZ-E6brT-dBJKK8vUlklvyagrBG49B5yZxVmt27ilglz_GCWyOFj5A/s700/Asus_VW223D_16%20.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="232" data-original-width="700" height="106" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjH3Zj8mLXklMUhQCmouL5L2F_b1BKCPLB8wbBwgcbja-wTXdqefRlJo07eJ-GFNyYbYyMUijawmecXOjs3umh3Mo_GIQ9tL_ASKPSekx5LvLPweuBMBhGeJVGz-Jqu5VAvXFtnsZ-E6brT-dBJKK8vUlklvyagrBG49B5yZxVmt27ilglz_GCWyOFj5A/s320/Asus_VW223D_16%20.jpg" width="320" /></a></div>Other problem: not working ON/OFF microswitch (probably because it was the most used one). Metal part soldering was broken and also its latches were streched, so it was only loosely attached. I probably could search for some replacement, but soldering back microswitch metal part and securing it with some epoxy was faster and seems good enough.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEje8YLF0x__gCmL9LfXf-TBaZlt69USwjRniGNpQ2TNCgA35EAYBzVK_P8OLs_-FpCLxXfj42pVaHwE2td_DUsFggqaRsm5nt-mH_si3fdPsMZm17mUXfLLEAhlclouvg_1BndRs1Pf2XatxgaoeUxheltg0ttuIM7nXQjzpgaJm5sOcjPQ4ryYyG1YEg/s1000/Asus_VW223D_17%20.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="350" data-original-width="1000" height="112" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEje8YLF0x__gCmL9LfXf-TBaZlt69USwjRniGNpQ2TNCgA35EAYBzVK_P8OLs_-FpCLxXfj42pVaHwE2td_DUsFggqaRsm5nt-mH_si3fdPsMZm17mUXfLLEAhlclouvg_1BndRs1Pf2XatxgaoeUxheltg0ttuIM7nXQjzpgaJm5sOcjPQ4ryYyG1YEg/s320/Asus_VW223D_17%20.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><br /></div></div><p></p>Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-4030197149523771443.post-64617062633510594082022-05-14T22:05:00.003+02:002022-12-13T20:20:31.369+01:00Orico BTA-508 Bluetooth USB adapter<p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjegHc58giBeXUc4BJ_5ylHJ3dwZDviM6-QAsN79VC5sONt31p9Ggx7nJb5ruK-WTG0gHBt_j0HP7POoOFz7aWXOnVsV81xIwGP_wf5hemsrDV-nUeV9GQn1OMyI22k9XxU03zQo9PJLIGmu1qVrmj1FLhAubITOlDaQcxtfvtZ3k_q41g-ADHd1BD-AA/s887/Orico_BTA508_01.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="887" data-original-width="800" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjegHc58giBeXUc4BJ_5ylHJ3dwZDviM6-QAsN79VC5sONt31p9Ggx7nJb5ruK-WTG0gHBt_j0HP7POoOFz7aWXOnVsV81xIwGP_wf5hemsrDV-nUeV9GQn1OMyI22k9XxU03zQo9PJLIGmu1qVrmj1FLhAubITOlDaQcxtfvtZ3k_q41g-ADHd1BD-AA/s320/Orico_BTA508_01.jpg" width="289" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgmvSoUuCQTOKzKm8qT6nXJ-r0J4YDB108ft6hVXPh4L_PCV0XQ9kOtbWSU2ihdeRB73rfwLJTmcmjrIXSh9e2hPpDjofDFRNG5hCaOnnO7PLfMy1eeu1M9ljfe9LVeS0djpN8vzndEFzrUxpZa8QpAhO0EbBouESnf8XxD0FfWFob0UvVyPlGnZl8EkA/s800/Orico_BTA508_02.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="722" data-original-width="800" height="289" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgmvSoUuCQTOKzKm8qT6nXJ-r0J4YDB108ft6hVXPh4L_PCV0XQ9kOtbWSU2ihdeRB73rfwLJTmcmjrIXSh9e2hPpDjofDFRNG5hCaOnnO7PLfMy1eeu1M9ljfe9LVeS0djpN8vzndEFzrUxpZa8QpAhO0EbBouESnf8XxD0FfWFob0UvVyPlGnZl8EkA/s320/Orico_BTA508_02.jpg" width="320" /></a></div>Claiming to use RTL8761BUV chip and this statement seems to be correct (USB\VID_0BDA&PID_8771&REV_0200).<p></p><p>Some linux dumps: <a href="https://songdongsheng.github.io/2020/11/15/realtek-rtl8761b-based-bluetooth-adapter/">https://songdongsheng.github.io/2020/11/15/realtek-rtl8761b-based-bluetooth-adapter/</a></p><p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiUoNa79kDaG3nkEn3eFV1ClbdNqEOsCZZD8Ab8An0S_V1cjdsU9CXR4TcUDNWKhuwXQeFgmD-gv5lFTPMb4X2Y9VoyuzT4csSftsfYdb6Jw_kPTmKxnqwWs1By5iHFz49aF4Z2nZdX-83EkGSpa3wj4Kf8HDekdf9fywknCl6iFciaquYP0Sfw7Zfm_g/s708/Orico_BTA508_03.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="708" data-original-width="600" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiUoNa79kDaG3nkEn3eFV1ClbdNqEOsCZZD8Ab8An0S_V1cjdsU9CXR4TcUDNWKhuwXQeFgmD-gv5lFTPMb4X2Y9VoyuzT4csSftsfYdb6Jw_kPTmKxnqwWs1By5iHFz49aF4Z2nZdX-83EkGSpa3wj4Kf8HDekdf9fywknCl6iFciaquYP0Sfw7Zfm_g/s320/Orico_BTA508_03.jpg" width="271" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiaeE1Wdo5z0LSyyUZ4lGgDITvsqBDcPo__or8K35-pDkxa86A6uUeZyvwEj5FHiv4LXbdVzWqwIAmKvWU1tA6taQKDNn6XuXo24LgwQJcBicMu4ksz90O3tzR1A54fLMCwkekdr5tZ2V56dvckBrh7_AEZZ-orc-ovAbPraAf5UnxyPC5xPlVAnH8agw/s856/Orico_BTA508_04.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="856" data-original-width="600" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiaeE1Wdo5z0LSyyUZ4lGgDITvsqBDcPo__or8K35-pDkxa86A6uUeZyvwEj5FHiv4LXbdVzWqwIAmKvWU1tA6taQKDNn6XuXo24LgwQJcBicMu4ksz90O3tzR1A54fLMCwkekdr5tZ2V56dvckBrh7_AEZZ-orc-ovAbPraAf5UnxyPC5xPlVAnH8agw/s320/Orico_BTA508_04.jpg" width="224" /></a></div>While adapter was detected by Windows 7 immediately, I wasn't able to find any Bluetooth device until driver package was installed.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgTl4PwFEclEM9ufHVyJwKLynDHMxVnQjdlzdw0t9BlyIrWBR-VeXNOts5bjY7fb_hyZAlyQ06iPmDMDPI0gB_aipAqPfCuGAWqz5WGmPz02FUSGe9EIFcMsD39pFLUkV-biHhyuWyuEqURWAN5zUCkJG7NjXhAMV1_qxl5VLmI4SobELoiAFPskwcCew/s1000/Orico_BTA508_05.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="777" data-original-width="1000" height="249" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgTl4PwFEclEM9ufHVyJwKLynDHMxVnQjdlzdw0t9BlyIrWBR-VeXNOts5bjY7fb_hyZAlyQ06iPmDMDPI0gB_aipAqPfCuGAWqz5WGmPz02FUSGe9EIFcMsD39pFLUkV-biHhyuWyuEqURWAN5zUCkJG7NjXhAMV1_qxl5VLmI4SobELoiAFPskwcCew/s320/Orico_BTA508_05.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhTVCGzzBlYajdl80nGsZ2aHVRzyw0R-krrgYLOocaGRqZ3_Q_JYohcPIUj0BhKgAdYs9CMFeBZIBvL_92TwwVtrXrMMkZu87hT0HDA7epgZ3SbDCbJfq8lmcpeAz5sec9OxBtKmFf7PlOk1ky4IcxmfDkjIor-SQKBTrfxGJMyrq57funk9rSdWpfqyQ/s800/Orico_BTA508_06.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="656" data-original-width="800" height="262" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhTVCGzzBlYajdl80nGsZ2aHVRzyw0R-krrgYLOocaGRqZ3_Q_JYohcPIUj0BhKgAdYs9CMFeBZIBvL_92TwwVtrXrMMkZu87hT0HDA7epgZ3SbDCbJfq8lmcpeAz5sec9OxBtKmFf7PlOk1ky4IcxmfDkjIor-SQKBTrfxGJMyrq57funk9rSdWpfqyQ/s320/Orico_BTA508_06.jpg" width="320" /></a></div>Cheaply looking plug using PCB pads as contacts, but I guess this is expected.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgQLkO5jwmwxiL2qsycOO1qnvrJBC5jS-Sr8YtTMIQOT1tYIy061fBbiRRoCpmiTjCaRMKdHd3elNFrIr-WIcUpAxtvqfp83UdIIDD2HL6moMDtF2L7qSbNTmBDG2unjj7k0yB2s2gxLgW35bwSFK5dXlWVlzH2_vKLkigecYeYhM7-ajTf0hcob3ZzKg/s600/Orico_BTA508_07.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="565" data-original-width="600" height="301" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgQLkO5jwmwxiL2qsycOO1qnvrJBC5jS-Sr8YtTMIQOT1tYIy061fBbiRRoCpmiTjCaRMKdHd3elNFrIr-WIcUpAxtvqfp83UdIIDD2HL6moMDtF2L7qSbNTmBDG2unjj7k0yB2s2gxLgW35bwSFK5dXlWVlzH2_vKLkigecYeYhM7-ajTf0hcob3ZzKg/s320/Orico_BTA508_07.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><br /></div>Big issue for me: when working with Linux it requires relatively new kernel version, 5.8.<br /><br /><br /><p></p>Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-4030197149523771443.post-14243713895496815052022-05-14T21:46:00.000+02:002022-05-14T21:46:05.959+02:00Zolan ZS12 power supply<p> Small stabilized power supply typically used with TV antenna amplifiers.</p><div class="separator" style="clear: both; text-align: center;"><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEjJW9SxNcYny89xxVfSTXAEKjSJAKnHUcXLG5mAc8_2IpQLBE1qT93kAOBO0asmB72pUpg1XY4dkv7Mcst8Hq6NczV_z42_qiPzq5hskE5qIg6xkmqDNYNfsXmOfNdiBLhefiJwDkrsdLt65m_F2mXl5iQ7220vRxd7B6bOkoozj_Mh8XlrWaAQdm91Dg" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="651" data-original-width="1000" height="208" src="https://blogger.googleusercontent.com/img/a/AVvXsEjJW9SxNcYny89xxVfSTXAEKjSJAKnHUcXLG5mAc8_2IpQLBE1qT93kAOBO0asmB72pUpg1XY4dkv7Mcst8Hq6NczV_z42_qiPzq5hskE5qIg6xkmqDNYNfsXmOfNdiBLhefiJwDkrsdLt65m_F2mXl5iQ7220vRxd7B6bOkoozj_Mh8XlrWaAQdm91Dg" width="320" /></a></div>12V / 100mA<br /><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEjXMnvXAaogYl8iKdTCMlNVRzPiGGIEk4IOiqttP3jremr1AF9iP74b3Gx3lv4OoMSLT_eyPPD9JDjY8KJnQJJAzJGgjp8UYNMgqS2GUZV_nUG8X0juxqyp7GFY_mWrqHUG-IBfYb2AWcDohegak7R054VmE38exXRBbvQNwC_vm2uGch-DEY3FivTOUg" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="824" data-original-width="600" height="240" src="https://blogger.googleusercontent.com/img/a/AVvXsEjXMnvXAaogYl8iKdTCMlNVRzPiGGIEk4IOiqttP3jremr1AF9iP74b3Gx3lv4OoMSLT_eyPPD9JDjY8KJnQJJAzJGgjp8UYNMgqS2GUZV_nUG8X0juxqyp7GFY_mWrqHUG-IBfYb2AWcDohegak7R054VmE38exXRBbvQNwC_vm2uGch-DEY3FivTOUg" width="175" /></a></div><div class="separator" style="clear: both; text-align: center;"><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEgujIDgP--PW9_-XLept7-0nqmqbYC13nflDqFyJA2PD2-B4xA8hIERe3dWPncn2h2x7d76MZ-kfshdbIziPuoOEiXO796FEE1rKarbEX00KXKEEEiDgHb4MsqmQIfSpWP4uTXK_RUQj1WpiaJp6s5mVEE6ecbpLkrHcJs7SgjajvSG8ELTM9xUaQ4_gw" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="838" data-original-width="1000" height="240" src="https://blogger.googleusercontent.com/img/a/AVvXsEgujIDgP--PW9_-XLept7-0nqmqbYC13nflDqFyJA2PD2-B4xA8hIERe3dWPncn2h2x7d76MZ-kfshdbIziPuoOEiXO796FEE1rKarbEX00KXKEEEiDgHb4MsqmQIfSpWP4uTXK_RUQj1WpiaJp6s5mVEE6ecbpLkrHcJs7SgjajvSG8ELTM9xUaQ4_gw" width="286" /></a></div><div class="separator" style="clear: both; text-align: center;">Bare minimum circuit and skimping on insulation on primary side and transformer itself</div><div class="separator" style="clear: both; text-align: center;"><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEjJ3ucFF6zxSf4zoz1rocrHXnrYr3Az8oXyluahng1rfXFt4IDepqDOdRa9923hkECdKa97EfAYpG4HOVH2Cpr-NiD35r79vN_Wr4mW5DXqjpQaozqalZ356oTjgLqhVdfc1l-ZzbZMhQYUchgweCRhXYHlStgH8JhHqHioGR0_sCj6ZFcuLgin0T5QKw" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="848" data-original-width="1000" height="240" src="https://blogger.googleusercontent.com/img/a/AVvXsEjJ3ucFF6zxSf4zoz1rocrHXnrYr3Az8oXyluahng1rfXFt4IDepqDOdRa9923hkECdKa97EfAYpG4HOVH2Cpr-NiD35r79vN_Wr4mW5DXqjpQaozqalZ356oTjgLqhVdfc1l-ZzbZMhQYUchgweCRhXYHlStgH8JhHqHioGR0_sCj6ZFcuLgin0T5QKw" width="283" /></a></div>78L12 as voltage regulator<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEiZCyGa9qCh-wpaTvRqFfC0jwa-Ykn7PUL8OHPkY96I_BM9Jz7LmZhNBSdMoDT8hNJ7OGS1KN6WrNLf5n5jTURT1L9wXCpuRa172jVocAKmlmJCo8eJMUyNSwW3UkoGAcVktkL3prlwLGTfke1Yke6Y-qIHsm0LTk9DjaYpJJCXTWMDNfR7gTksnbLg4g" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="966" data-original-width="1000" height="240" src="https://blogger.googleusercontent.com/img/a/AVvXsEiZCyGa9qCh-wpaTvRqFfC0jwa-Ykn7PUL8OHPkY96I_BM9Jz7LmZhNBSdMoDT8hNJ7OGS1KN6WrNLf5n5jTURT1L9wXCpuRa172jVocAKmlmJCo8eJMUyNSwW3UkoGAcVktkL3prlwLGTfke1Yke6Y-qIHsm0LTk9DjaYpJJCXTWMDNfR7gTksnbLg4g" width="248" /></a></div><br /><br /></div><br /><br /></div></div><br /><br /><p></p>Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-4030197149523771443.post-68757212235141251622021-11-30T22:54:00.003+01:002021-11-30T23:07:30.544+01:00Amazon Basics 10 port USB hub<div class="separator" style="clear: both; text-align: left;">10-port USB hub with external power supply.</div><div class="separator" style="clear: both; text-align: left;">I've opened it because I thought no power on ports 4...10 when connected only to power adapter is a fault, but I think now this is normal behavior. </div><div class="separator" style="clear: both; text-align: left;">As I cannot find precision description (only one I could find seems mostly wrong: <a href="https://www.ubuy.com.pl/en/product/87DHPNTA-amazon-basics-usb-a-3-1-10-port-hub-with-power-adapter-65w-powered-20v-3-25a-silver">https://www.ubuy.com.pl/en/product/87DHPNTA-amazon-basics-usb-a-3-1-10-port-hub-with-power-adapter-65w-powered-20v-3-25a-silver</a>) here are few notes:</div><div class="separator" style="clear: both; text-align: left;"><ul style="text-align: left;"><li>hub does not work without power adapter (at least with my test with USB 2.0 cable), it is not even detected by PC</li><li>ports 4...10 are not powered when hub is not connected to PC</li><li>nominal maximum current: 2.4A for ports 1...3, 0.9A for other ports</li><li>all ports are data-capable and have same sockets (USB 3.0-like)</li><li>output voltage is slightly on high side: 5.2 V</li><li>host port socket: USB-B SuperSpeed</li></ul></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgo3feF-YMgwqMLn0KQT4RBHRY722oJhYJc0rD6pivuquPgO7kCoW4tiasvJmSh6IWBYuktrx11L7X4tvvNU2HHOPe7fh8gzCWip3icTEXAi-gHiGtCgaKevOlgBDxM_0UT4hX262qeHUkD/s915/usb_10_port_hub_01.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="298" data-original-width="915" height="104" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgo3feF-YMgwqMLn0KQT4RBHRY722oJhYJc0rD6pivuquPgO7kCoW4tiasvJmSh6IWBYuktrx11L7X4tvvNU2HHOPe7fh8gzCWip3icTEXAi-gHiGtCgaKevOlgBDxM_0UT4hX262qeHUkD/s320/usb_10_port_hub_01.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj6lxOemNCUOuQUeom2NQxYqzkJJ3vnsEtlk1urq9FtUo8RoEuEUKvq9NskPaMq7MVjHc3YQ7uJy4rWllabp65Dn9lat2XF4SS3YqyE8xTFgGIzNQDRn5TTbxODvypC11nWhoIV5IE6PGk5/s897/usb_10_port_hub_02.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="290" data-original-width="897" height="103" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj6lxOemNCUOuQUeom2NQxYqzkJJ3vnsEtlk1urq9FtUo8RoEuEUKvq9NskPaMq7MVjHc3YQ7uJy4rWllabp65Dn9lat2XF4SS3YqyE8xTFgGIzNQDRn5TTbxODvypC11nWhoIV5IE6PGk5/s320/usb_10_port_hub_02.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjDISm1DiU8Ui4WqISO3cTAEg8oC9GVK1K_CveleUUrs51PaBB-hcfN3ZgI_p0f6dKhpKVeql0u-RAcR6JsswEEhzN-4QOgmdZ6J_1Hn6lpRXfFERhGMeuWeR59JROdAT8EytwLx2CRHnMI/s642/usb_10_port_hub_03.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="385" data-original-width="642" height="192" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjDISm1DiU8Ui4WqISO3cTAEg8oC9GVK1K_CveleUUrs51PaBB-hcfN3ZgI_p0f6dKhpKVeql0u-RAcR6JsswEEhzN-4QOgmdZ6J_1Hn6lpRXfFERhGMeuWeR59JROdAT8EytwLx2CRHnMI/s320/usb_10_port_hub_03.jpg" width="320" /></a></div>3 screws under rubber feet<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgNhafdBRn6_VL9qDCTjbxFz5hyJ_bN-HKKdOAIYhe7P8Is9hyphenhyphenUf6jKSv2f40pguxgwwQBucniG-YM091IKe_ph9Jaw4jrG4W9jkjM4_GYMw1jcqLoYGogfGf4i7bW4kwuobwZcCnSLx2E8/s846/usb_10_port_hub_04.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="284" data-original-width="846" height="107" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgNhafdBRn6_VL9qDCTjbxFz5hyJ_bN-HKKdOAIYhe7P8Is9hyphenhyphenUf6jKSv2f40pguxgwwQBucniG-YM091IKe_ph9Jaw4jrG4W9jkjM4_GYMw1jcqLoYGogfGf4i7bW4kwuobwZcCnSLx2E8/s320/usb_10_port_hub_04.jpg" width="320" /></a></div>3 plastic latches<div>Overall quite solid construction.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEieKrf3dhWXehmJN8BHB3hPWp8ERWIxUK2x4x3citXs8W2TrSPxn4auoz9z5Qq1fXQ8mWtrONi4Frr1U0Qf1QH2PkfYpGOV6UmwC6QDsXEKYlUOIwIs9q44Xq6F5zqh_GziWpV7EuXyhs3D/s774/usb_10_port_hub_05.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="469" data-original-width="774" height="194" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEieKrf3dhWXehmJN8BHB3hPWp8ERWIxUK2x4x3citXs8W2TrSPxn4auoz9z5Qq1fXQ8mWtrONi4Frr1U0Qf1QH2PkfYpGOV6UmwC6QDsXEKYlUOIwIs9q44Xq6F5zqh_GziWpV7EuXyhs3D/s320/usb_10_port_hub_05.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgPqM3SsrmYsbXMXgr9maFyq4pCLPJUDd-Lob8EtxHCHh6YHSqBnmfTxKRi0UppiC0lTPJ0oRr3eyz2WVySGGAyLe0DAUDAR7KUFPMxr2m4Bxb7uW2VcMWWerzwOWm2TsiqyjwQDNFVzbQf/s1387/usb_10_port_hub_06.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1387" data-original-width="494" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgPqM3SsrmYsbXMXgr9maFyq4pCLPJUDd-Lob8EtxHCHh6YHSqBnmfTxKRi0UppiC0lTPJ0oRr3eyz2WVySGGAyLe0DAUDAR7KUFPMxr2m4Bxb7uW2VcMWWerzwOWm2TsiqyjwQDNFVzbQf/s320/usb_10_port_hub_06.jpg" width="114" /></a></div>3x VL817 USB 3.1 USB hub from VIA Labs Inc. - company specializing in USB technology. Chip itself is on the market from May 2017.<div>As each hub has 4 downstream port, my guess is these chips are cascade-connected.</div><div>Each chip has own 25L512E SPI Flash chip (512 kbit).<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjkfHNBetXb0XyuRlQuHM4vYQXk4TcU42M3h7-__YVpDYmFiJEc5DaO1fLvrxDJ1esrrqzxABik5LnhlbH8Jv3F9xNUa88Z3PIbTMfcGvhosFpIV3dBf54H3UKM5daIEqsQXARXF00RNJbW/s717/usb_10_port_hub_07.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="644" data-original-width="717" height="287" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjkfHNBetXb0XyuRlQuHM4vYQXk4TcU42M3h7-__YVpDYmFiJEc5DaO1fLvrxDJ1esrrqzxABik5LnhlbH8Jv3F9xNUa88Z3PIbTMfcGvhosFpIV3dBf54H3UKM5daIEqsQXARXF00RNJbW/s320/usb_10_port_hub_07.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjTomYDx5n30i5bkuz1S43Jp7NvEoTN0HscoMKtwMecm8aNjB0weDX4jACiJObT6WUC5ckLbm-b5M29EyuEadog_tcFybI1Vebr1PdmEsNedT8UGIgyyEeQL4rspGu2asK9g92ZNzONAhTj/s751/usb_10_port_hub_08.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="751" data-original-width="637" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjTomYDx5n30i5bkuz1S43Jp7NvEoTN0HscoMKtwMecm8aNjB0weDX4jACiJObT6WUC5ckLbm-b5M29EyuEadog_tcFybI1Vebr1PdmEsNedT8UGIgyyEeQL4rspGu2asK9g92ZNzONAhTj/s320/usb_10_port_hub_08.jpg" width="271" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjUCGgBMKD6UwHILtgvs5WifcTYXelsbM34s0dlZZWabcmf4b8ae9BOw7zMtjCBSPopy7a8-Bf_ofdgf9dgQLskr0KhARgyV5AnKqLNpSuhNFP-FqZuGkDf7fFWtFZf92217cNMF9g_YAbS/s652/usb_10_port_hub_09.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="515" data-original-width="652" height="253" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjUCGgBMKD6UwHILtgvs5WifcTYXelsbM34s0dlZZWabcmf4b8ae9BOw7zMtjCBSPopy7a8-Bf_ofdgf9dgQLskr0KhARgyV5AnKqLNpSuhNFP-FqZuGkDf7fFWtFZf92217cNMF9g_YAbS/s320/usb_10_port_hub_09.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEibhdonRyKwHV-WYt9W1gLO-EzqGQOiQhcRE5Lmy3DXSqMoHuQPD9OZT9UQE0__MoGlQTxmKGJOuRIc1DV2xf9QmT67wlXgbS4zsrKkA_WtnFfZKDDherYhhCbo8DtlQ5mDseA4JrVuar31/s1056/usb_10_port_hub_10.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="772" data-original-width="1056" height="234" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEibhdonRyKwHV-WYt9W1gLO-EzqGQOiQhcRE5Lmy3DXSqMoHuQPD9OZT9UQE0__MoGlQTxmKGJOuRIc1DV2xf9QmT67wlXgbS4zsrKkA_WtnFfZKDDherYhhCbo8DtlQ5mDseA4JrVuar31/s320/usb_10_port_hub_10.jpg" width="320" /></a></div>HU39002V1 V1_0 2017/11/30<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgyX_ph0Ceu1bYYx4mX7zeWWUvJK2X6xuhd1HEufHFy5vlt3BSzO5zRdJHUwQRehS_5RexIaUdUnMfaLYyDXYIPkKfgIrQWt9b8lL10TOY2eR-JHnUJL5oNspF9MQ3B7RPS9ux1f3mnKFcN/s922/usb_10_port_hub_11.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="508" data-original-width="922" height="176" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgyX_ph0Ceu1bYYx4mX7zeWWUvJK2X6xuhd1HEufHFy5vlt3BSzO5zRdJHUwQRehS_5RexIaUdUnMfaLYyDXYIPkKfgIrQWt9b8lL10TOY2eR-JHnUJL5oNspF9MQ3B7RPS9ux1f3mnKFcN/s320/usb_10_port_hub_11.jpg" width="320" /></a></div>Two "big" DC/DC converters with "AVICUH" marked chips.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhg5fxdY64u0MMQtgL4LZc4RSSF1OyyERJXqRlws1RHLexnrt8C_noZWfxjfAK3GXMHZYUC8qSmuOuKEMpiaByC4VZeVBY_3RFhEpHWL5lzvAFZsdp_C0QYIUcuyz9vsO1IR4WXhB-f5LPh/s911/usb_10_port_hub_12.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="585" data-original-width="911" height="205" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhg5fxdY64u0MMQtgL4LZc4RSSF1OyyERJXqRlws1RHLexnrt8C_noZWfxjfAK3GXMHZYUC8qSmuOuKEMpiaByC4VZeVBY_3RFhEpHWL5lzvAFZsdp_C0QYIUcuyz9vsO1IR4WXhB-f5LPh/s320/usb_10_port_hub_12.jpg" width="320" /></a></div>LED next to each port activates when there is data connection.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEijtK7GAM9DjlqTgLSA2pt4efmEgZqdIfpib2UT-Jr3JsU58j0Hh8sT77q4q3iy_Endl2eCjaKyRYk48yXq8HivpIe8y8Tw-y4HU15JqjMpP2iwj6Hh0EZZJHFHOBv9DBk9xTe-w7YiXsA4/s845/usb_10_port_hub_13.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="693" data-original-width="845" height="262" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEijtK7GAM9DjlqTgLSA2pt4efmEgZqdIfpib2UT-Jr3JsU58j0Hh8sT77q4q3iy_Endl2eCjaKyRYk48yXq8HivpIe8y8Tw-y4HU15JqjMpP2iwj6Hh0EZZJHFHOBv9DBk9xTe-w7YiXsA4/s320/usb_10_port_hub_13.jpg" width="320" /></a></div>Each of 1...3 ports is accompanied by chip with "5AAAJ" markings.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhCkV8Uats0w_xJFU3c6XhyobfnuMc2r3ciruMFn50_AQvizfr8jT4oFdijiuQrrZMiwH5v1-B_N96L2ldJWZzcUBwOeb7Bags6pX1uzyZyoafDhE-ZQq46ZDgfIDk5q5CjGT5vTdYWP8co/s845/usb_10_port_hub_14.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="690" data-original-width="845" height="261" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhCkV8Uats0w_xJFU3c6XhyobfnuMc2r3ciruMFn50_AQvizfr8jT4oFdijiuQrrZMiwH5v1-B_N96L2ldJWZzcUBwOeb7Bags6pX1uzyZyoafDhE-ZQq46ZDgfIDk5q5CjGT5vTdYWP8co/s320/usb_10_port_hub_14.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjiKPfp0ftsZIRK0k2OvJetXNRN83ctnDjMXaXdsndh4yJc9sljjMJGQQJCn0sNx4-2KVz8UfL-2WuOElxb_bhB3tdvVsr3az-fiq_eruQUvaojB5IqjZdegojTzLXH73MmY82uHToMOI-m/s694/usb_10_port_hub_15.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="608" data-original-width="694" height="280" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjiKPfp0ftsZIRK0k2OvJetXNRN83ctnDjMXaXdsndh4yJc9sljjMJGQQJCn0sNx4-2KVz8UfL-2WuOElxb_bhB3tdvVsr3az-fiq_eruQUvaojB5IqjZdegojTzLXH73MmY82uHToMOI-m/s320/usb_10_port_hub_15.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjiXJ8sG1sOK6_XJxgAWCu9ZBCz5f-GjXgZIu3U8thqpEXpoDVVX0oTQh4d7KkGFp6JXZSBU0SCExX4PvTZgnUtBUMx71oWgTtpcMWWvipOiS7eda_b8kFGErLMto8sjPWqIB5YWfD8Muw9/s697/usb_10_port_hub_16.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="531" data-original-width="697" height="244" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjiXJ8sG1sOK6_XJxgAWCu9ZBCz5f-GjXgZIu3U8thqpEXpoDVVX0oTQh4d7KkGFp6JXZSBU0SCExX4PvTZgnUtBUMx71oWgTtpcMWWvipOiS7eda_b8kFGErLMto8sjPWqIB5YWfD8Muw9/s320/usb_10_port_hub_16.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEifFblPaYVDo3Xu7_MoT8o_gPn9yoEMjHDiv52sKxc3DDf6LcqA8Q55gaFY_cWW3n-PJ60kdsWh8gpzfwXXPVMJdlCpjXbRvkVFxNFVrggwqeMW-Pz_VM-yI70Mu4TnsPjZM6k3u8oRDjld/s824/usb_10_port_hub_17.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="824" data-original-width="664" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEifFblPaYVDo3Xu7_MoT8o_gPn9yoEMjHDiv52sKxc3DDf6LcqA8Q55gaFY_cWW3n-PJ60kdsWh8gpzfwXXPVMJdlCpjXbRvkVFxNFVrggwqeMW-Pz_VM-yI70Mu4TnsPjZM6k3u8oRDjld/s320/usb_10_port_hub_17.jpg" width="258" /></a></div>Each of 4...10 ports has G547G1 chip - 90 mOhm power distribution switch with 1.5 A current limit and overcurrent output.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEic3rJk_1Nn2N2pDEHYWnCx_REZQ5PUq8-xS219Pw7oHNp6L8DSzasmngkL0GmwVyEQs1nuWriaHikTAJOSHmZ5AMW7xME_P1AEz2M4fPt768QXgF-ba_wCuZrWEy4nE3Pu1L3P9xIJwMtf/s652/usb_10_port_hub_18.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="572" data-original-width="652" height="281" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEic3rJk_1Nn2N2pDEHYWnCx_REZQ5PUq8-xS219Pw7oHNp6L8DSzasmngkL0GmwVyEQs1nuWriaHikTAJOSHmZ5AMW7xME_P1AEz2M4fPt768QXgF-ba_wCuZrWEy4nE3Pu1L3P9xIJwMtf/s320/usb_10_port_hub_18.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjMJn5kuwUyGMltRePpQ6AoXyV73voGDOiyh7HmOUgGhnb4NbIwywp_m6X4ePLHjtp-rCkkjJvAx-IImLMJJwJ236hrIy3ebHN8Xkb2Z2lmJpTCOIlLyXjv2v3CP0ZM8EEdbFbt7dFO7JtO/s1326/usb_10_port_hub_19.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="467" data-original-width="1326" height="113" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjMJn5kuwUyGMltRePpQ6AoXyV73voGDOiyh7HmOUgGhnb4NbIwywp_m6X4ePLHjtp-rCkkjJvAx-IImLMJJwJ236hrIy3ebHN8Xkb2Z2lmJpTCOIlLyXjv2v3CP0ZM8EEdbFbt7dFO7JtO/s320/usb_10_port_hub_19.jpg" width="320" /></a></div>Power supply: Chicony A16-065N2A, 20 V, 3.25 A - seems to be decent quality.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhyvXU99pXl8RCsD4D0bMYc84YlIu_okr6ybOP7B8Gq7LXVTlbZx6qc6fKnr69Ly3qPBTNX9JQNtNQxJEswK8wePu1wUzF1pi8LbL-pTFE0C0gCAcyn6f6pH8UnOrsSwz8B5HV-_Qv9AcCY/s1155/usb_10_port_hub_20.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="482" data-original-width="1155" height="134" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhyvXU99pXl8RCsD4D0bMYc84YlIu_okr6ybOP7B8Gq7LXVTlbZx6qc6fKnr69Ly3qPBTNX9JQNtNQxJEswK8wePu1wUzF1pi8LbL-pTFE0C0gCAcyn6f6pH8UnOrsSwz8B5HV-_Qv9AcCY/s320/usb_10_port_hub_20.jpg" width="320" /></a></div><br /><p><br /><br /></p></div></div>Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-4030197149523771443.post-67543985135139749372021-11-28T23:31:00.004+01:002021-11-28T23:31:51.524+01:00Trust Mauro USB headset<div class="separator" style="clear: both; text-align: left;">Trust Mauro (17591) USB headset, retail price ~$20.</div><div class="separator" style="clear: both; text-align: left;">Problem: weird sounds from left earpiece (not correlated with played audio), slightly disturbed sound from right earpiece.</div><div class="separator" style="clear: both; text-align: center;"><span style="margin-left: 1em; margin-right: 1em;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiBTHH7VN4TKoC65oDyy8Eh9cRRcWVADhY7F7sX1eb2LCo9fGaz3ukSuhxPRKtjSKoYgZ5r7UxrrJzKFGEWFHGlYCBHg1mUBZGNQQl-cgW6wOx-84Y9iLrKJwH__fHYa468IzgutKqDQx4p/s929/Trust_Mauro_01.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="697" data-original-width="929" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiBTHH7VN4TKoC65oDyy8Eh9cRRcWVADhY7F7sX1eb2LCo9fGaz3ukSuhxPRKtjSKoYgZ5r7UxrrJzKFGEWFHGlYCBHg1mUBZGNQQl-cgW6wOx-84Y9iLrKJwH__fHYa468IzgutKqDQx4p/s320/Trust_Mauro_01.jpg" width="320" /></a></span></div><div class="separator" style="clear: both; text-align: center;"><span style="text-align: left;">Rather big in size in-line controller: volume, output mute, microphone mute.</span></div><div class="separator" style="clear: both; text-align: center;"><div class="separator" style="clear: both; margin-left: 1em; margin-right: 1em; text-align: center;"><span style="margin-left: 1em; margin-right: 1em;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiBTHH7VN4TKoC65oDyy8Eh9cRRcWVADhY7F7sX1eb2LCo9fGaz3ukSuhxPRKtjSKoYgZ5r7UxrrJzKFGEWFHGlYCBHg1mUBZGNQQl-cgW6wOx-84Y9iLrKJwH__fHYa468IzgutKqDQx4p/s929/Trust_Mauro_01.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1290" data-original-width="755" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi34AYdEKdGXvVoIIBrd1uqVf9uTa1dsToijHGwrZfILz1MJwxjftHAze2eICZk9q6uybfJrAjnr6P2bbks3BVns-uNtRrWIu1aUa0jjrHlM4q8AJ1pDDXsTSiYBP2iaaB3Lfxd5FgGTwzs/s320/Trust_Mauro_04.jpg" width="187" /></a></span></div><div class="separator" style="clear: both; margin-left: 1em; margin-right: 1em; text-align: left;">Sound card (chip with scrapped markings) inside USB plug. Plug itself is glued together but can be opened by prying (with some damage).</div></div><div class="separator" style="clear: both; text-align: center;"><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiLpGm3FCJjsOvpQIWS_3N7DIcbnmAuIADByNFIS25IcKGRAZ5mvjq_STUfqVPTQC2ICtEzWtnuds8fJsImnjPwSfmhAI_JhfA4-J1H_wfv75b5qwWzZo7CopQ43IpPeAIyALIgFwZlOSZQ/s888/Trust_Mauro_03.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="888" data-original-width="536" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiLpGm3FCJjsOvpQIWS_3N7DIcbnmAuIADByNFIS25IcKGRAZ5mvjq_STUfqVPTQC2ICtEzWtnuds8fJsImnjPwSfmhAI_JhfA4-J1H_wfv75b5qwWzZo7CopQ43IpPeAIyALIgFwZlOSZQ/s320/Trust_Mauro_03.jpg" width="193" /></a></div><div style="text-align: left;">Cause of the problem: mismatched connections between USB part and controller part. I think this was factory error, probably partially caused by not so clear PCB markings (for example there is "M-" and "M/-" contact pad).</div></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEit-MYWhngc0JEWYkF3eCP1JAv1NQmaAQ6jEv5RZUthtAsy-OtAuCJ5eDJo0a7Vk-PDISdPgQraYy5dYBdqG8_x2LBLo1gHn7-Rhiqg6Zk-8Yy1r3o6gSRLyspzpD51ztVlsyMwG-qSq6xs/s1122/Trust_Mauro_02.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1015" data-original-width="1122" height="289" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEit-MYWhngc0JEWYkF3eCP1JAv1NQmaAQ6jEv5RZUthtAsy-OtAuCJ5eDJo0a7Vk-PDISdPgQraYy5dYBdqG8_x2LBLo1gHn7-Rhiqg6Zk-8Yy1r3o6gSRLyspzpD51ztVlsyMwG-qSq6xs/s320/Trust_Mauro_02.jpg" width="320" /></a></div><br />Build quality is worse than with Trust Roha - headband is thin and little creaky, ear cushions are less soft. In-line controller is large and its weight can be felt when e.g. it drops from the table.<br />Probably too much bass (same as Trust Roha), but not as muddy - they sound better than Trust Roha.<br /><div>On the other side microphone is quite noisy. It seems that this noise depends little on USB connection - it was higher when I was using extension cord.</div><div>One weird thing is that sound card emits some heat - not a lot, but this is still unusual for this type of device. I'm not sure if this is not a problem of my particular item, but otherwise it seems to work correctly.<br /><p><br /><br /></p></div>Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-4030197149523771443.post-24387188695002056612021-11-28T22:47:00.003+01:002021-11-28T22:53:42.567+01:00Trust Roha 24188 USB headset<p>Inexpensive USB headset with microphone.</p><p>Fault: no sound from left earpiece, intermittent sound from right earpiece.</p><p>Earpiece disassembly: two plastic pieces are press-fit together with ear cup held in between. No glue is used.</p><p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgM9VqirAS5W5WpwKZDdJ7EryqMDTyr_Eg_QWp_hl3drG3a0z5khig5vOeJzghPHYaA_Mxk4biCy8-VOlJehFMXAYu2tXYyARofJUfcMqP5y1yRJj9enVAjQpQqL0I7k0Jv4lQPRhF0hH1E/s929/Trust_Roha_01.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="929" data-original-width="697" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgM9VqirAS5W5WpwKZDdJ7EryqMDTyr_Eg_QWp_hl3drG3a0z5khig5vOeJzghPHYaA_Mxk4biCy8-VOlJehFMXAYu2tXYyARofJUfcMqP5y1yRJj9enVAjQpQqL0I7k0Jv4lQPRhF0hH1E/s320/Trust_Roha_01.jpg" width="240" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhqsMEWjOOcxcQkrSZIIPBbgwBFtF2TGCE0r3CgxThhlwrkR27ByE6OIhOUICdzvanQ7D95iOzUF_RzRkEO2ae6AdgiYUGEDNO2eGyOIg99rZLipNu38bdQCtuqn9BTTqneogSq7lvSwuhR/s674/Trust_Roha_02.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="452" data-original-width="674" height="215" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhqsMEWjOOcxcQkrSZIIPBbgwBFtF2TGCE0r3CgxThhlwrkR27ByE6OIhOUICdzvanQ7D95iOzUF_RzRkEO2ae6AdgiYUGEDNO2eGyOIg99rZLipNu38bdQCtuqn9BTTqneogSq7lvSwuhR/s320/Trust_Roha_02.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiYsetTjIkXAC7vemMpVWN4g6BlP58IasoHSBNobYu8PjcsIqr4TrFB1j7kbd0f3E7iLNATr0nkproIdE_FVaLNxiSQaRTRdnZUpUHX-ym-DulfJ5UK1f-__P4m51a3hsLdN2QHVgiErM4O/s908/Trust_Roha_03.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="908" data-original-width="440" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiYsetTjIkXAC7vemMpVWN4g6BlP58IasoHSBNobYu8PjcsIqr4TrFB1j7kbd0f3E7iLNATr0nkproIdE_FVaLNxiSQaRTRdnZUpUHX-ym-DulfJ5UK1f-__P4m51a3hsLdN2QHVgiErM4O/s320/Trust_Roha_03.jpg" width="155" /></a></div>Volume control + mic mute on the cable.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi12k4ZWshf_sgMBW3Y2qlQTwqMGBKlZMUVzFU7LXR2kEF_CKY20jdNmWJmN0PgO0_o4RQL5VLFsT6MCJrCGJLtPjYankzuYlTaA8Xqc_rD8SCSXMI2sQEfpAojMhw9v6_XfZODWxjFMT9M/s764/Trust_Roha_04.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="764" data-original-width="365" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi12k4ZWshf_sgMBW3Y2qlQTwqMGBKlZMUVzFU7LXR2kEF_CKY20jdNmWJmN0PgO0_o4RQL5VLFsT6MCJrCGJLtPjYankzuYlTaA8Xqc_rD8SCSXMI2sQEfpAojMhw9v6_XfZODWxjFMT9M/s320/Trust_Roha_04.jpg" width="153" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj-lvgp9IzrW6EFgLVIO3K13hVbzWCBkei2nfguTQRwzUFeCO0HUUTxkOgvrXeFG85tVbA_IG3kRM5SN7BpViwMJ2XYrYn1RguTRZaO-ClerPW5xHdAvWml2-dpKIgfWqxtVldOgs1YkxPJ/s604/Trust_Roha_05.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="604" data-original-width="334" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj-lvgp9IzrW6EFgLVIO3K13hVbzWCBkei2nfguTQRwzUFeCO0HUUTxkOgvrXeFG85tVbA_IG3kRM5SN7BpViwMJ2XYrYn1RguTRZaO-ClerPW5xHdAvWml2-dpKIgfWqxtVldOgs1YkxPJ/s320/Trust_Roha_05.jpg" width="177" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgBOhiGjgFd-ZZOl4NMwu9z7fFHG1zy055lWb-4s_EeSUbskIMPFXv3ry6kZEX2IP4e5fGDAdx0e8WUAfz9_kPGPdz8rtneJQ0bhvi9K-HRSMaUsdNyoF4sCge1YhERtXJRr4VgM6BWn9CV/s784/Trust_Roha_06.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="784" data-original-width="553" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgBOhiGjgFd-ZZOl4NMwu9z7fFHG1zy055lWb-4s_EeSUbskIMPFXv3ry6kZEX2IP4e5fGDAdx0e8WUAfz9_kPGPdz8rtneJQ0bhvi9K-HRSMaUsdNyoF4sCge1YhERtXJRr4VgM6BWn9CV/s320/Trust_Roha_06.jpg" width="226" /></a></div>Sound card / electronic plug is held inside USB plug.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiQKG4LrdUiNlh3Z6DymblsbFEu1irWHP9Rw1QcuwYKecepSioOIWZYUtoRcwlqM9fMoi5j5nxPCyi7VnsB1Sv7QZarI_ZaX8W2gzf2YuIdY4TJ7fs4zjKpzpvU82LLagiyEfHeVSZNW3QP/s570/Trust_Roha_07.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="188" data-original-width="570" height="106" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiQKG4LrdUiNlh3Z6DymblsbFEu1irWHP9Rw1QcuwYKecepSioOIWZYUtoRcwlqM9fMoi5j5nxPCyi7VnsB1Sv7QZarI_ZaX8W2gzf2YuIdY4TJ7fs4zjKpzpvU82LLagiyEfHeVSZNW3QP/s320/Trust_Roha_07.jpg" width="320" /></a></div>Fault: broken cable between controller on the cable and headset, possibly in more than one place. I've had to cut off about half of the cable from the headset side.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjI9Zm3Yc55w-BShA3FHsFuuORGetw2HN1rCq9nVI5aa8NNsOJIqo5qhv4HXwbmukPOcr1yHearug2hjveoNKfVqiAZnDhDf_0xynP6vbQjMMhXtK3A17Aa1eW_ATVPbqD5CpavYmhUBE4e/s704/Trust_Roha_08.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="704" data-original-width="697" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjI9Zm3Yc55w-BShA3FHsFuuORGetw2HN1rCq9nVI5aa8NNsOJIqo5qhv4HXwbmukPOcr1yHearug2hjveoNKfVqiAZnDhDf_0xynP6vbQjMMhXtK3A17Aa1eW_ATVPbqD5CpavYmhUBE4e/s320/Trust_Roha_08.jpg" width="317" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiIv7VwQvGRedeCW_2REsf486D0n_cBdcOAFl9HjJOepNSCOCxbCiNqFxk9KQ5XDuTwHOYshsKMjPaTZVqJjkhbBKUX4K-rpb0sum4XlTbaFFjvY8lwpsDg4MayKqEGL7kRvL86-lIa455v/s383/Trust_Roha_09.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="358" data-original-width="383" height="299" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiIv7VwQvGRedeCW_2REsf486D0n_cBdcOAFl9HjJOepNSCOCxbCiNqFxk9KQ5XDuTwHOYshsKMjPaTZVqJjkhbBKUX4K-rpb0sum4XlTbaFFjvY8lwpsDg4MayKqEGL7kRvL86-lIa455v/s320/Trust_Roha_09.jpg" width="320" /></a></div><p>Overall build quality seems quite nice, with stable cushioned headband and pleasant ear cups.</p><p>Sound quality coming from headphones is somehow muddy and little unnatural, but might be acceptable.</p><div class="separator" style="clear: both; text-align: left;">Microphone might be little quiet but in general should work.</div><br /><p></p>Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-4030197149523771443.post-30968910602838812272021-11-20T18:13:00.002+01:002021-11-20T21:58:53.706+01:00T12 OLED soldering iron<div class="separator" style="clear: both; text-align: left;">My latest purchase, T12 OLED soldering iron. Few reasons why I have chosen this model:</div><div class="separator" style="clear: both; text-align: left;"><ul style="text-align: left;"><li>(obviously) compatible with T12 tips which became very popular due to great price/performance</li><li>I think that it would take less space than variant with base station and with longer cable it is kind of portable</li><li>it is quite cheap (< $25 with 3 tips and shipping) as power supply is not included</li><li>I already have spare good quality power supply (at the moment: <a href="http://commonemitter.blogspot.com/2020/02/hama-00039729-regulated-power-supply.html">http://commonemitter.blogspot.com/2020/02/hama-00039729-regulated-power-supply.html</a>, although it is overkill)</li><li>I completely do not trust cheap AC/DC power adapters that are included in similar sets - ones I've seen are unearthed and (as is pretty common for unearthed switching mode power supplies) probably have some leakage and thus are dangerous for soldered components </li></ul><div>Offer from aliexpress allowed to choose tips - I went for BC1, BC2 and JL02 and I'll probably use BC1 (cone with tip cut off at 45 deg angle and 1 mm diameter) most of the time.</div></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiszEVAhNzcyvC-MFK8Zz6YjFRC7puhkceo8jDEayewIqFmQ9BQJ0idS7ButrpafLCyZdlWeAN8BrE0bkHELgKBRNfYO5Wc81R8srIAC_UyBdcylhdQMqENKPSAsaMEqrjAiRd-Pyx8iIwG/s906/T12_OLED_soldering_iron_01.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="660" data-original-width="906" height="233" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiszEVAhNzcyvC-MFK8Zz6YjFRC7puhkceo8jDEayewIqFmQ9BQJ0idS7ButrpafLCyZdlWeAN8BrE0bkHELgKBRNfYO5Wc81R8srIAC_UyBdcylhdQMqENKPSAsaMEqrjAiRd-Pyx8iIwG/s320/T12_OLED_soldering_iron_01.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEitzlgafSNMZcSgwuedHHiQcx_inPUXUfDA6Sc7MF1EmFswabOAR6W3JBEPyIMFJ4nYQS8dMbq9EsY6ZfpMJk6h-WnZwQhhMxmXvjf1HAPef4RwJQT_OLwZ17eUqGZoOzHbCOV_nnen5ZIZ/s1083/T12_OLED_soldering_iron_02.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="172" data-original-width="1083" height="51" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEitzlgafSNMZcSgwuedHHiQcx_inPUXUfDA6Sc7MF1EmFswabOAR6W3JBEPyIMFJ4nYQS8dMbq9EsY6ZfpMJk6h-WnZwQhhMxmXvjf1HAPef4RwJQT_OLwZ17eUqGZoOzHbCOV_nnen5ZIZ/s320/T12_OLED_soldering_iron_02.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiOQp6s7T7OGLsCh__doD2D2M6X0SA58PqY3VZAYI5GI5teLXwZvKn5agArllHrG5bQLPs-d_c2zl2JBcHZ3capvz1xoyOPa5Y-Z-Om6xz4q9bRXj2TeGf19US-DV5V-bvD2nks0VfuOrvp/s918/T12_OLED_soldering_iron_03.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="281" data-original-width="918" height="98" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiOQp6s7T7OGLsCh__doD2D2M6X0SA58PqY3VZAYI5GI5teLXwZvKn5agArllHrG5bQLPs-d_c2zl2JBcHZ3capvz1xoyOPa5Y-Z-Om6xz4q9bRXj2TeGf19US-DV5V-bvD2nks0VfuOrvp/s320/T12_OLED_soldering_iron_03.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiKZpfRB6jZXoQxxyQoiBTBbwiuHEKckXw2qZ3nxhbLYwmUaJzeW7Vnyhgy6hvWixJ-hicUSCsFairX_s7Q1v_bvJakmCXb36TmQeJVkCp99g1tmE_aO9TFwdM0k7WBKjkUaGv15PUBgktc/s929/T12_OLED_soldering_iron_04.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="929" data-original-width="265" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiKZpfRB6jZXoQxxyQoiBTBbwiuHEKckXw2qZ3nxhbLYwmUaJzeW7Vnyhgy6hvWixJ-hicUSCsFairX_s7Q1v_bvJakmCXb36TmQeJVkCp99g1tmE_aO9TFwdM0k7WBKjkUaGv15PUBgktc/s320/T12_OLED_soldering_iron_04.jpg" width="91" /></a></div>Motion for standby power down is detected with some kind of mechanical pipe-shaped sensor. There is audible metal ball or something like this bouncing inside this pipe when soldering iron is in position close to horizontal.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiOjJK8UHv_-nQP9pq3JUSdMMbMu0Gmh3KjwQSmdK2lOdB_4UQU38cVdTkrGiS2fF2Z2GulV1qpsjf9zCgsXSaCtf9Qo5ioPNhf7yH7C3k9a_Q0Y5SSdaO7qyPHPj25UHboJBni7BDhiG0a/s893/T12_OLED_soldering_iron_05.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="309" data-original-width="893" height="111" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiOjJK8UHv_-nQP9pq3JUSdMMbMu0Gmh3KjwQSmdK2lOdB_4UQU38cVdTkrGiS2fF2Z2GulV1qpsjf9zCgsXSaCtf9Qo5ioPNhf7yH7C3k9a_Q0Y5SSdaO7qyPHPj25UHboJBni7BDhiG0a/s320/T12_OLED_soldering_iron_05.jpg" width="320" /></a></div>BA9H13, LM358 and some microcontrolled with scrapped markings.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgXF5BurpyJFEHdm4Wrp1rBC6TSDrSHmfnys8ATpuxrWim8PdjLjFsXAAGGqCO_bS0uB-3CnsalVTU3uhXAcvA9AZkUFhPAKYfqklOBUpef1TeWiezEUCxVhqlUpB1Zl18n3oAxpML7KR38/s877/T12_OLED_soldering_iron_06.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="877" data-original-width="461" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgXF5BurpyJFEHdm4Wrp1rBC6TSDrSHmfnys8ATpuxrWim8PdjLjFsXAAGGqCO_bS0uB-3CnsalVTU3uhXAcvA9AZkUFhPAKYfqklOBUpef1TeWiezEUCxVhqlUpB1Zl18n3oAxpML7KR38/s320/T12_OLED_soldering_iron_06.jpg" width="168" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjCpBw5R0HDkalET41NMo1WNOVOvhQC8XkGMRXWyRnj-ouWfwdnpSEmVlAeCEjqjCIDPkKymB0bGPuP2U5jcZjxLjvSpTQ6lycpMhDr7s2I1igqbT4kjCVEyC3Y59bHtEd5ok15Fk8lvR1o/s832/T12_OLED_soldering_iron_07.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="111" data-original-width="832" height="43" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjCpBw5R0HDkalET41NMo1WNOVOvhQC8XkGMRXWyRnj-ouWfwdnpSEmVlAeCEjqjCIDPkKymB0bGPuP2U5jcZjxLjvSpTQ6lycpMhDr7s2I1igqbT4kjCVEyC3Y59bHtEd5ok15Fk8lvR1o/s320/T12_OLED_soldering_iron_07.jpg" width="320" /></a></div>Default menu language was Chinese, though I've switched to English in few tries. Menu has one or two positions more than described by seller, so firmware is probably still developed and might change over time.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjQKCw7OzVIjvidWByP1fdTUMKJpYHtKfqRj3-uL7jVi0zLybBX3sAREipsqwoRYIdcrK9UIl41qPBCclqJ6ljitecxkxf07BCs5ofSynuHQGFCRFF67AA5pK1nnYJkdymTelmnMweFTRlL/s1068/T12_OLED_soldering_iron_08.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="406" data-original-width="1068" height="122" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjQKCw7OzVIjvidWByP1fdTUMKJpYHtKfqRj3-uL7jVi0zLybBX3sAREipsqwoRYIdcrK9UIl41qPBCclqJ6ljitecxkxf07BCs5ofSynuHQGFCRFF67AA5pK1nnYJkdymTelmnMweFTRlL/s320/T12_OLED_soldering_iron_08.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgB6AhxGtoL9pmOVRserXS8Hbc_sFH8kgaFoCvoUWL-cOhAHwqXDslW3ncIEmeuwaZiDf5-se372qKA-nQVK5IcVW_SPYlWPqNnx5PCbqEhMTKuVjtApIoQ8yHErHCockSZJ1fxTLS69xod/s825/T12_OLED_soldering_iron_09.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="391" data-original-width="825" height="152" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgB6AhxGtoL9pmOVRserXS8Hbc_sFH8kgaFoCvoUWL-cOhAHwqXDslW3ncIEmeuwaZiDf5-se372qKA-nQVK5IcVW_SPYlWPqNnx5PCbqEhMTKuVjtApIoQ8yHErHCockSZJ1fxTLS69xod/s320/T12_OLED_soldering_iron_09.jpg" width="320" /></a></div>Some drawbacks I've found so far:<div><ul style="text-align: left;"><li>I wouldn't mind if handle + tip would be slightly shorter - it's about 2 cm longer than my previous AC-powered soldering iron</li><li>as handle has glossy and smooth surface it would be also slightly slippery - lens-like part of the handle does not bring any value</li><li>as handle is made of hard plastic - it might be prone to cracking if dropped</li></ul><p><br /><br /></p></div>Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-4030197149523771443.post-71536787368222372552021-11-20T16:35:00.003+01:002021-11-28T19:52:07.297+01:00Mi True Wireless Earbuds Basic 2<div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjS2sqej3rTV0JrnPXVCA5K-KnusHaHN9TOT-OPFULLip35eC5phPO4imQRSJMcW5VwTkEkMpyZPJq2sFe4kfguIXpuGCAXDZ86MJxfizycbFU4PZkPer5BqUvG8Bwpa6yMS-IsN03Mnqv6/s834/mi_basic2_01.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="834" data-original-width="578" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjS2sqej3rTV0JrnPXVCA5K-KnusHaHN9TOT-OPFULLip35eC5phPO4imQRSJMcW5VwTkEkMpyZPJq2sFe4kfguIXpuGCAXDZ86MJxfizycbFU4PZkPer5BqUvG8Bwpa6yMS-IsN03Mnqv6/s320/mi_basic2_01.jpg" width="222" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhuyb5qr_3SECPGfmdrCfICiXwBab81PoW_fCL2CWz7OrJ6VaBBqxVOvbp4whbFu4IUxhhMQed_EFWq1Z_TNHDs8U1jwSmt1meLT9_-XZtiNvptxj1lm_PSn3OsC_RezndMyAOhPNAp1z8T/s905/mi_basic2_02.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="905" data-original-width="489" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhuyb5qr_3SECPGfmdrCfICiXwBab81PoW_fCL2CWz7OrJ6VaBBqxVOvbp4whbFu4IUxhhMQed_EFWq1Z_TNHDs8U1jwSmt1meLT9_-XZtiNvptxj1lm_PSn3OsC_RezndMyAOhPNAp1z8T/s320/mi_basic2_02.jpg" width="173" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhQ-wD_VBeoLa_WqnITcKjmdgqjsCyv3p1QQxxTDpYa-tcbtWmosDKLq98vTmfpvNQXMo2RlW0TlhcBZQCs1JHFdxymh2693mi2pQp6zPKWv7KFwEm1_d9p72ngSbeATyFwKzp91f_3aHlO/s750/mi_basic2_03.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="750" data-original-width="692" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhQ-wD_VBeoLa_WqnITcKjmdgqjsCyv3p1QQxxTDpYa-tcbtWmosDKLq98vTmfpvNQXMo2RlW0TlhcBZQCs1JHFdxymh2693mi2pQp6zPKWv7KFwEm1_d9p72ngSbeATyFwKzp91f_3aHlO/s320/mi_basic2_03.jpg" width="295" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgqGvmY4K-qnc6aDhjEDXlTLSITzaeatSnW2NeHdNPxCiBXuhRGke9UfFN_3wVY6bsdt6YjahH9fNw92VzoA_4WXKpXw0FvAT7ow2vVj5UDnVv3XbYLgq-pZrtZ0Ke5sK-6YDJpULcJhUi9/s809/mi_basic2_04.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="536" data-original-width="809" height="212" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgqGvmY4K-qnc6aDhjEDXlTLSITzaeatSnW2NeHdNPxCiBXuhRGke9UfFN_3wVY6bsdt6YjahH9fNw92VzoA_4WXKpXw0FvAT7ow2vVj5UDnVv3XbYLgq-pZrtZ0Ke5sK-6YDJpULcJhUi9/s320/mi_basic2_04.jpg" width="320" /></a></div>One of the earphones was damaged, strongly heating up when charging.<div>Apparently opening these earphones is possible - perhaps they can be called serviceable. This came to me already opened.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiEjcU39_gFtk1MALmqRkn4E9ErziRPCBhJMl_F9qiB-OgqFDrdB0LPPVsBYSoFNK3bRJflh155P1gaTRrg4kd4E-aR6d9fGncftdI6MLkgNEcximIyQOsD1B0Z7g05OKceOCP1odrQoP65/s799/mi_basic2_05.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="781" data-original-width="799" height="313" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiEjcU39_gFtk1MALmqRkn4E9ErziRPCBhJMl_F9qiB-OgqFDrdB0LPPVsBYSoFNK3bRJflh155P1gaTRrg4kd4E-aR6d9fGncftdI6MLkgNEcximIyQOsD1B0Z7g05OKceOCP1odrQoP65/s320/mi_basic2_05.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhwvD6OG6TQZ9R0lsMuVrtWtHOu_c-C1wzvZemq6uICsGAOjKI0zAv1sfPAt-jx-a9FyVnjx9Y3vDtj9sx8908EtvM8o5UaA1_c26gseycCttuICONyxOGtmaqgYZ53b1i2_jYEXFvsN81u/s542/mi_basic2_06.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="518" data-original-width="542" height="306" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhwvD6OG6TQZ9R0lsMuVrtWtHOu_c-C1wzvZemq6uICsGAOjKI0zAv1sfPAt-jx-a9FyVnjx9Y3vDtj9sx8908EtvM8o5UaA1_c26gseycCttuICONyxOGtmaqgYZ53b1i2_jYEXFvsN81u/s320/mi_basic2_06.jpg" width="320" /></a></div>XM2000<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj8gy3M73WHcfeD3E0ewDipK3W7dI5yjaopUZd5f8G_G0_dEngNNwqIwrEwJFsIyCpPxie53i-2Vq7zt3qsYehQDghZdTcgZ83FV3ta5jYFhpGSkQ7mGq_jeW_Ouo-3NNi4hS8UF5ZYwz3M/s1303/mi_basic2_07.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="996" data-original-width="1303" height="245" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj8gy3M73WHcfeD3E0ewDipK3W7dI5yjaopUZd5f8G_G0_dEngNNwqIwrEwJFsIyCpPxie53i-2Vq7zt3qsYehQDghZdTcgZ83FV3ta5jYFhpGSkQ7mGq_jeW_Ouo-3NNi4hS8UF5ZYwz3M/s320/mi_basic2_07.jpg" width="320" /></a></div>Antenna is missing - probably damaged when opening.</div><div>These earphones (PCB markings: T29-XM2000-NTC-V1.2) are very similar to RedMi Airdots 2: <a href="https://www.qucox.com/redmi-airdots-2-teardown/">https://www.qucox.com/redmi-airdots-2-teardown/</a> (T29-XM2000-V2.1).<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhEcAcahDilX3pdUDP_X9FAonP-DcE7k9dTzUT7g78VsvgqT4aETAbvgiuXNMTh7m_AfLpk5RnuJAxhS2PPKI-x3oth9WC3GUbbAnowJNsZjbQCwbADhW7xxY0gYJ38XXqmPm6NxyrCCx1I/s767/mi_basic2_08.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="476" data-original-width="767" height="199" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhEcAcahDilX3pdUDP_X9FAonP-DcE7k9dTzUT7g78VsvgqT4aETAbvgiuXNMTh7m_AfLpk5RnuJAxhS2PPKI-x3oth9WC3GUbbAnowJNsZjbQCwbADhW7xxY0gYJ38XXqmPm6NxyrCCx1I/s320/mi_basic2_08.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiA-cj8IAOSJtkOUmrVVnYODYH2i0fD5rVzGR8Y1AvNbffOaeTxio1kjis8T9b39Q6cTKnFcJQTp0u3DFUl2Ln0uodKXsOftCtF4tv2M0pIJQ9HYTGEb4ljKJIoilzB_GLMWtEr2cBjdW8d/s826/mi_basic2_09.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="540" data-original-width="826" height="209" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiA-cj8IAOSJtkOUmrVVnYODYH2i0fD5rVzGR8Y1AvNbffOaeTxio1kjis8T9b39Q6cTKnFcJQTp0u3DFUl2Ln0uodKXsOftCtF4tv2M0pIJQ9HYTGEb4ljKJIoilzB_GLMWtEr2cBjdW8d/s320/mi_basic2_09.jpg" width="320" /></a></div><div class="separator" style="clear: both; text-align: center;"><br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjRw5M5IAgWt49OJtELMv0EH6q9KMDRKrLNyVBxUd9JlwmSaHaQl004tfHLPIn2-tqOvrkgsTz8Yffw8pd9rTHgh-iRMECrAQ7OhSVy7orVnvBBWBXEeNSXmz85dq1ccY_ly4Hc8Was6mMd/" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="620" data-original-width="969" height="205" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjRw5M5IAgWt49OJtELMv0EH6q9KMDRKrLNyVBxUd9JlwmSaHaQl004tfHLPIn2-tqOvrkgsTz8Yffw8pd9rTHgh-iRMECrAQ7OhSVy7orVnvBBWBXEeNSXmz85dq1ccY_ly4Hc8Was6mMd/" width="320" /></a></div><br />I do not like the sound of these earphones. I had only one in my ear and from what I see this changes perception of the music, but I would describe their sound as flat, with bass missing. Maximum output volume seems also lower than e.g. with Trust Primo Touch or Libratone Track Air+. Probably because speaker is relatively small, only 5.4 mm in diameter.</div><div>Mechanical switches instead of touch buttons are a plus in my opinion.</div><div><br /></div><div>Earphone lasted respectable 4 hours and 20 minutes playing audio with maximum volume from BT 4.0 phone.</div><div>It was also compatible with old Nokia 113, Bluetooth 2.1 EDR.<br /><p><br /><br /></p></div>Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-4030197149523771443.post-44875227288634458002021-11-20T01:40:00.005+01:002021-11-20T19:05:44.934+01:00Trust Primo Touch Wireless Earphones<p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjrVwU37AjX1vAvqbx49YogtKPMxaCoA99BkeQP_k8CSteIQLNjYkrX8b6O6k63OSTmnLIlFoMhQu5jE8pgQV7AnMc3x4gbJ5P74815YrRZSHySte4qr7s9l1dwpsGULa0OvDgFap95heR4/s844/trust_primo_touch_01.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="844" data-original-width="783" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjrVwU37AjX1vAvqbx49YogtKPMxaCoA99BkeQP_k8CSteIQLNjYkrX8b6O6k63OSTmnLIlFoMhQu5jE8pgQV7AnMc3x4gbJ5P74815YrRZSHySte4qr7s9l1dwpsGULa0OvDgFap95heR4/s320/trust_primo_touch_01.jpg" width="297" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjfBJ88-o6f9ZItNGppEXTk7o-2G2Fwz1dxXvitS7D8WFZm5h58w__0zRICCMvTrPZzxa08wUxmj_IBQmXvM5BGqNORaHDqtH37yoICAez0Flelo-0bfzjY7lepin5R0GsIX2z5s3283ZWI/s959/trust_primo_touch_02.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="959" data-original-width="428" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjfBJ88-o6f9ZItNGppEXTk7o-2G2Fwz1dxXvitS7D8WFZm5h58w__0zRICCMvTrPZzxa08wUxmj_IBQmXvM5BGqNORaHDqtH37yoICAez0Flelo-0bfzjY7lepin5R0GsIX2z5s3283ZWI/s320/trust_primo_touch_02.jpg" width="143" /></a></div>Original price: 29.99 EU, though now they seem to be available starting from ~19 EU.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEitvniMB2QPlq8uWfrppOEaT1dmHzUVbVchFsy0yijPBY5g7dcmBog2v5T9GRjMvAuviFbcwvGwNs6zwP-uO_Sl4nAjiZ8fyvuBjyFiMLuZrhUhzmCu7HXlidrg-W58rWXQrUBkQYyHUMsA/s968/trust_primo_touch_03.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="791" data-original-width="968" height="261" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEitvniMB2QPlq8uWfrppOEaT1dmHzUVbVchFsy0yijPBY5g7dcmBog2v5T9GRjMvAuviFbcwvGwNs6zwP-uO_Sl4nAjiZ8fyvuBjyFiMLuZrhUhzmCu7HXlidrg-W58rWXQrUBkQYyHUMsA/s320/trust_primo_touch_03.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhwvQnzAswa-eVF0CAZZWFj-F0B-mWVVaDZH0O8T1kjSfc2SyGPq8n9f5dl-mZx6-QZzLPTEjfSriWCYpdG4A45I9xlDZTccHvCnJ9ajjoeILc01XBRw6FN0HNJSIC82MlYUTBBN_uRZjq9/s566/trust_primo_touch_04.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="566" data-original-width="547" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhwvQnzAswa-eVF0CAZZWFj-F0B-mWVVaDZH0O8T1kjSfc2SyGPq8n9f5dl-mZx6-QZzLPTEjfSriWCYpdG4A45I9xlDZTccHvCnJ9ajjoeILc01XBRw6FN0HNJSIC82MlYUTBBN_uRZjq9/s320/trust_primo_touch_04.jpg" width="309" /></a></div>This particular item was not charging at all. Box is held together by few latches and is easy to open.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjUt68OoQZE6ig72lBdoai1J1it2Cll502BuCzhGiFBowV7pKzOnqBijfTrnTlGg6fwS68jcEWyWvf_E1f8TFeCVmhG2bG82uW1Wodhq4PrwL-bL9Ra4pXWD76lQcG78UojRG_VD1rEPL7B/s959/trust_primo_touch_05.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="619" data-original-width="959" height="207" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjUt68OoQZE6ig72lBdoai1J1it2Cll502BuCzhGiFBowV7pKzOnqBijfTrnTlGg6fwS68jcEWyWvf_E1f8TFeCVmhG2bG82uW1Wodhq4PrwL-bL9Ra4pXWD76lQcG78UojRG_VD1rEPL7B/s320/trust_primo_touch_05.jpg" width="320" /></a></div>Damaged IC: IP5305. Available on aliexpress, although I had second box from other set where one of the earphones was damaged/quiet, so I've just swapped it.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEincp1JHfVP3SlrSXeGIzYmAjhGzRf1uxZBCiVlgjvmq6GIrw7DC893-m4fdQSLVkOMXPCwY0AHEq4mhWXz_S5rDE4hCTLvkbOqTWG8wQfs395oAW4fmn-8ntOr-JhDbVGMTpbkJ5PZKk7-/s1274/trust_primo_touch_06.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="773" data-original-width="1274" height="194" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEincp1JHfVP3SlrSXeGIzYmAjhGzRf1uxZBCiVlgjvmq6GIrw7DC893-m4fdQSLVkOMXPCwY0AHEq4mhWXz_S5rDE4hCTLvkbOqTWG8wQfs395oAW4fmn-8ntOr-JhDbVGMTpbkJ5PZKk7-/s320/trust_primo_touch_06.jpg" width="320" /></a></div>This cell looks swollen, although it does not seem to be the case and it accepted charging when I've detached it from the circuit.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEizvLN9praJAuFzRSnW2KfPsFrAZX9ZRq0d3NdTmLNfsdcXbE7ZTqMZUaRVACFcvC9frHFQc_5xfc9H9XZmiq29hrlgM_pcNE2mzwPh6uMTnVQeVlFW8OF92ot7t-ig8iSlyq8bPVtPjNaL/s824/trust_primo_touch_07.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="568" data-original-width="824" height="221" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEizvLN9praJAuFzRSnW2KfPsFrAZX9ZRq0d3NdTmLNfsdcXbE7ZTqMZUaRVACFcvC9frHFQc_5xfc9H9XZmiq29hrlgM_pcNE2mzwPh6uMTnVQeVlFW8OF92ot7t-ig8iSlyq8bPVtPjNaL/s320/trust_primo_touch_07.jpg" width="320" /></a></div>KMT-F1 V1.4 2020-04-16<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgfxXEeFhvkiqz83f3_wgZA77Q6DiVa7P5wXMOLKTYHgIPtN2iLN0QF2NLA0lC486-3EQ0apMONxwnMUsjBBs1rxhyj-hhjmkJunzIXoCwYzVWARdRf7cJeCoD_cPr-al8dRCx44eBmRxGl/s981/trust_primo_touch_08.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="916" data-original-width="981" height="299" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgfxXEeFhvkiqz83f3_wgZA77Q6DiVa7P5wXMOLKTYHgIPtN2iLN0QF2NLA0lC486-3EQ0apMONxwnMUsjBBs1rxhyj-hhjmkJunzIXoCwYzVWARdRf7cJeCoD_cPr-al8dRCx44eBmRxGl/s320/trust_primo_touch_08.jpg" width="320" /></a></div>Four LEDs indicating charge level. Pogo pins charging earphones.<p></p><p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiR1Hbhhn-O3hNEYWbjxXcRXMW668J0swQf1FrPEdIUiYiEt50WjmhxyYrbbcMKNZg6d55d-FEj_w4QL_DopRoRJHXu09KlOn_Re8aBdtWz0n8cQTGATCjeizAtqNcq2iZGz35B-jszmX15/s797/trust_primo_touch_09.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="582" data-original-width="797" height="234" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiR1Hbhhn-O3hNEYWbjxXcRXMW668J0swQf1FrPEdIUiYiEt50WjmhxyYrbbcMKNZg6d55d-FEj_w4QL_DopRoRJHXu09KlOn_Re8aBdtWz0n8cQTGATCjeizAtqNcq2iZGz35B-jszmX15/s320/trust_primo_touch_09.jpg" width="320" /></a></div>Location of the magnets.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEinhLvLJ0Ug1tNbWR53NrOMbApO2WnrtnqlhSCeoBK892EpQChnT_gBuY3fs_f9JcoBwMb5b5WiEVS3oay4euZLKvmSooK8fzHYYlENC9m2usnhRY5bVV2sX5SJ7B6x7EhNFxUCQ97p0dak/s764/trust_primo_touch_10.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="544" data-original-width="764" height="228" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEinhLvLJ0Ug1tNbWR53NrOMbApO2WnrtnqlhSCeoBK892EpQChnT_gBuY3fs_f9JcoBwMb5b5WiEVS3oay4euZLKvmSooK8fzHYYlENC9m2usnhRY5bVV2sX5SJ7B6x7EhNFxUCQ97p0dak/s320/trust_primo_touch_10.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgxdLat8qQG2h_vtiu3x9DOhGrSJ-fJOliKk0HWU3UMvvvO2qoV0tR_EfBQX_AnJpjZYuEt2Pn5s9R0Pn-JZ-xZpG-yspEjh-ZuYN_CpkUgXvJB_0yUZXbxIrhQG3WyppoUgEJJliItvrOo/s547/trust_primo_touch_11.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="369" data-original-width="547" height="216" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgxdLat8qQG2h_vtiu3x9DOhGrSJ-fJOliKk0HWU3UMvvvO2qoV0tR_EfBQX_AnJpjZYuEt2Pn5s9R0Pn-JZ-xZpG-yspEjh-ZuYN_CpkUgXvJB_0yUZXbxIrhQG3WyppoUgEJJliItvrOo/s320/trust_primo_touch_11.jpg" width="320" /></a></div><div><br /></div>After swapping charging box I've got working set. <br />From the quick test - sound quality seems to be quite fine and earphones seem lightweight and convenient.<div><br /></div><div>Measured time of music playback from phone with BT 4.0 at maximum volume: 1h50m (with few extra minutes left after power cycling). As maximum volume is pretty decent, using it for nearly two hours would be tiring/painful - in typical use these earphones would work longer.</div><div><br /></div><div>It seems that these earphones enter pairing mode by default when there is no connection.<br /><p></p><div>Excerpts from FAQ:</div><div><br /></div><div><div class="c-accordion 3" style="background: rgb(255, 255, 255); border: 0px; box-sizing: border-box; color: #0e0c38; font-family: OpenSans-Regular, sans-serif; font-size: 0px; margin: 0px auto 12px; max-width: 690px; outline: 0px; padding: 0px; position: relative; vertical-align: baseline;"><button aria-controls="faq-3" aria-expanded="true" class="c-accordion__trigger active" data-js-accordion="" data-js-faq-id="9615" data-js-ga-faq="" id="faq-3" style="appearance: none; background-attachment: initial; background-clip: initial; background-image: none; background-origin: initial; background-position: initial; background-repeat: initial; background-size: initial; border-color: initial; border-style: none; border-width: initial; box-shadow: none; color: #0e0c38; cursor: pointer; display: block; font-family: OpenSans-bold, sans-serif; font-size: 1rem; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: inherit; line-height: 1.5rem; margin: 0px; outline: none; overflow: visible; padding: 12px 60px 0px 0px; position: relative; text-align: left; width: 690px;">My earphones don't connect/pair, how can I do a re-pair?</button><button aria-controls="faq-3" aria-expanded="true" class="c-accordion__trigger active" data-js-accordion="" data-js-faq-id="9615" data-js-ga-faq="" id="faq-3" style="appearance: none; background-attachment: initial; background-clip: initial; background-image: none; background-origin: initial; background-position: initial; background-repeat: initial; background-size: initial; border-color: initial; border-style: none; border-width: initial; box-shadow: none; color: #0e0c38; cursor: pointer; display: block; font-family: OpenSans-bold, sans-serif; font-size: 1rem; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: inherit; line-height: 1.5rem; margin: 0px; outline: none; overflow: visible; padding: 12px 60px 0px 0px; position: relative; text-align: left; width: 690px;"><span face="OpenSans-Regular, sans-serif" style="background-color: transparent; font-size: 1rem;">Trust Primo Touch TWS connection re-pair:</span></button><div aria-labelledby="faq-3" class="c-accordion__html" role="region" style="background: transparent; border: 0px; box-sizing: border-box; font-size: unset; margin: 0px; outline: 0px; padding: 0px 60px 0px 0px; vertical-align: baseline;"><div class="c-accordion__text" style="background: transparent; border: 0px; box-sizing: border-box; font-size: 1rem; line-height: 1.5rem; margin: 24px 0px 0px; outline: 0px; padding: 0px; vertical-align: baseline;"><p style="background: transparent; border: 0px; box-sizing: border-box; font-size: 1rem; line-height: 1.5rem; margin: 0.75rem 0px; outline: 0px; padding: 0px; vertical-align: baseline;">1. Turn off the Bluetooth connection on your connected devices (Bluetooth phone, tablet, etc.)<br style="box-sizing: border-box; font-size: unset;" />2. Take the Trust Primo Touch Earphones (both earbuds) from the charging case. Make sure they do not connect with any Bluetooth device such as your phone.<br style="box-sizing: border-box; font-size: unset;" />3. Double press only the right earbud, now the right earbud will be searching for the (so-called slave) left earbud.<br style="box-sizing: border-box; font-size: unset;" />4. The earbuds should be connected to each other within 30 seconds. The earbuds will prompt with a confirmation sound. After this you can connect your Trust Primo Touch Earphones to your phone as explained in the user guide.</p></div></div></div><div class="c-accordion 4" style="background: rgb(255, 255, 255); border: 0px; box-sizing: border-box; color: #0e0c38; font-family: OpenSans-Regular, sans-serif; font-size: 0px; margin: 0px auto 12px; max-width: 690px; outline: 0px; padding: 0px; position: relative; vertical-align: baseline;"><button aria-controls="faq-4" aria-expanded="true" class="c-accordion__trigger active" data-js-accordion="" data-js-faq-id="9613" data-js-ga-faq="" id="faq-4" style="appearance: none; background-attachment: initial; background-clip: initial; background-image: none; background-origin: initial; background-position: initial; background-repeat: initial; background-size: initial; border-color: initial; border-style: none; border-width: initial; box-shadow: none; color: #0e0c38; cursor: pointer; display: block; font-family: OpenSans-bold, sans-serif; font-size: 1rem; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: inherit; line-height: 1.5rem; margin: 0px; outline: none; overflow: visible; padding: 12px 60px 0px 0px; position: relative; text-align: left; width: 690px;">My device sees the 2 earbuds as 2 different earphones,</button><button aria-controls="faq-4" aria-expanded="true" class="c-accordion__trigger active" data-js-accordion="" data-js-faq-id="9613" data-js-ga-faq="" id="faq-4" style="appearance: none; background-attachment: initial; background-clip: initial; background-image: none; background-origin: initial; background-position: initial; background-repeat: initial; background-size: initial; border-color: initial; border-style: none; border-width: initial; box-shadow: none; color: #0e0c38; cursor: pointer; display: block; font-family: OpenSans-bold, sans-serif; font-size: 1rem; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: inherit; line-height: 1.5rem; margin: 0px; outline: none; overflow: visible; padding: 12px 60px 0px 0px; position: relative; text-align: left; width: 690px;"> that won't link to each other (anymore).</button><div aria-labelledby="faq-4" class="c-accordion__html" role="region" style="background: transparent; border: 0px; box-sizing: border-box; font-size: unset; margin: 0px; outline: 0px; padding: 0px 60px 0px 0px; vertical-align: baseline;"><div class="c-accordion__text" style="background: transparent; border: 0px; box-sizing: border-box; font-size: 1rem; line-height: 1.5rem; margin: 24px 0px 0px; outline: 0px; padding: 0px; vertical-align: baseline;"><p style="background: transparent; border: 0px; box-sizing: border-box; font-size: 1rem; line-height: 1.5rem; margin: 0.75rem 0px; outline: 0px; padding: 0px; vertical-align: baseline;">If the earbuds won't link together, probably both earbuds are set as 'master', we advise the following to resolve this:</p><p style="background: transparent; border: 0px; box-sizing: border-box; font-size: 1rem; line-height: 1.5rem; margin: 0.75rem 0px; outline: 0px; padding: 0px; vertical-align: baseline;">- Ensure that the earbuds are unpaired from all devices (phones, tablets, laptops, etc.), they were previously paired to.<br style="box-sizing: border-box; font-size: unset;" />- Put both earbuds back in the charging case.<br style="box-sizing: border-box; font-size: unset;" />- When the case has been fully charged, take one earbud (left) out of the case and connect it to your device.<br style="box-sizing: border-box; font-size: unset;" />- When this earbud has been succesfully paired to the device, take the other earbud (right) from the case so it will connect automatically to the other earbud and synchronise (wait for it to flash blue, not red / blue).<br style="box-sizing: border-box; font-size: unset;" />- Then both earbuds are linked and should work in stereo.</p></div></div></div></div></div>Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-4030197149523771443.post-148171837775587772021-11-16T23:20:00.003+01:002021-11-17T20:06:53.533+01:00D-Link DWR 116 router<div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjOQ9OD84_3hdbSzAy2rMRRLSqTN87XyJ9no5DZm0TdUkzp8qM798f9MBROlSq1wo94E9Wk2_0WCp5X34fXQbzMYYLml1AqzitLjoLVNNT8f8BBP3H3U_89eEfI6OxmsWktpPOqPVWW9rcf/s683/DWR116_01.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="528" data-original-width="683" height="247" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjOQ9OD84_3hdbSzAy2rMRRLSqTN87XyJ9no5DZm0TdUkzp8qM798f9MBROlSq1wo94E9Wk2_0WCp5X34fXQbzMYYLml1AqzitLjoLVNNT8f8BBP3H3U_89eEfI6OxmsWktpPOqPVWW9rcf/s320/DWR116_01.jpg" width="320" /></a></div><div>Hardware revision A2.</div>Three screws including two hidden under rubber feet.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhcCNy5CYdEy5zsi-k01KISkejhOncDnnCNo-3pgs41BY_zK39sneGA4sgtuAWoggIbMy1qKo7JdKEqsuC4bj_pf43_sBT4wmskRECwTimW1O63oyeD1EXyWYg-vFn7llmuqNg1_OIwfdPQ/s945/DWR116_02.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="477" data-original-width="945" height="162" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhcCNy5CYdEy5zsi-k01KISkejhOncDnnCNo-3pgs41BY_zK39sneGA4sgtuAWoggIbMy1qKo7JdKEqsuC4bj_pf43_sBT4wmskRECwTimW1O63oyeD1EXyWYg-vFn7llmuqNg1_OIwfdPQ/s320/DWR116_02.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh5mbRSOkjjVIzLUh_sReHO2HqYcrAA9EfQ2FH8_J9GhbFSReatakeAMhBWCUfy0qE2YX5I9I2En0Ho_FBJ30m3NZPW4b9ww0u_QtUB1OSZPBn-qgSrOoMScJnFJkUzMuG_gKohJLkPFE5c/s1408/DWR116_03.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1056" data-original-width="1408" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh5mbRSOkjjVIzLUh_sReHO2HqYcrAA9EfQ2FH8_J9GhbFSReatakeAMhBWCUfy0qE2YX5I9I2En0Ho_FBJ30m3NZPW4b9ww0u_QtUB1OSZPBn-qgSrOoMScJnFJkUzMuG_gKohJLkPFE5c/s320/DWR116_03.jpg" width="320" /></a></div>Mediatek MT7620N<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh4a01Jzb8h9kSJdzJZLct3sdBuSK8kDybT_P-UCC1YOvpZ8pv5U4DgItysbNc2g1oTFoDhrcvxeN1MR93VHn3GBRWAZnNt-HPtZgL-ac3Q0Az1Si6o9iyQ97Sk6XrfMRUQwtF-aY3l0ao8/s1405/DWR116_04.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="862" data-original-width="1405" height="196" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh4a01Jzb8h9kSJdzJZLct3sdBuSK8kDybT_P-UCC1YOvpZ8pv5U4DgItysbNc2g1oTFoDhrcvxeN1MR93VHn3GBRWAZnNt-HPtZgL-ac3Q0Az1Si6o9iyQ97Sk6XrfMRUQwtF-aY3l0ao8/s320/DWR116_04.jpg" width="320" /></a></div>25Q64JV - 64 Mbit SPI Flash<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgEAKOKeYrq_LGGgAtYmLJ1RkcXCafKOVtUbmWwsh7l5M-wgTkUXaCkteit04ApCoGxgdg3BzrURku2-7YWbxSQhbVh9ESGqEu4DGL549PayaQZeEIGuS2zN8jGcY-sBS6xzbIoiUGWtZ4J/s980/DWR116_05.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="844" data-original-width="980" height="276" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgEAKOKeYrq_LGGgAtYmLJ1RkcXCafKOVtUbmWwsh7l5M-wgTkUXaCkteit04ApCoGxgdg3BzrURku2-7YWbxSQhbVh9ESGqEu4DGL549PayaQZeEIGuS2zN8jGcY-sBS6xzbIoiUGWtZ4J/s320/DWR116_05.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhkxyauNoe3VrIsULlLSZjdpIXrddg87nv2lOj1gPuGs-XhyphenhyphenSZlX6Xe5VuoVLDZ03a-lw4m4JLKQ4izUhLQbqp3Z-uZce4C9tC41VUT6oq7g570taVduWrwSGW3AdlGgTs-NDlPClVFtdo0/s941/DWR116_06.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="768" data-original-width="941" height="261" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhkxyauNoe3VrIsULlLSZjdpIXrddg87nv2lOj1gPuGs-XhyphenhyphenSZlX6Xe5VuoVLDZ03a-lw4m4JLKQ4izUhLQbqp3Z-uZce4C9tC41VUT6oq7g570taVduWrwSGW3AdlGgTs-NDlPClVFtdo0/s320/DWR116_06.jpg" width="320" /></a></div>W9425G6 - 32 MB DDR SDRAM, 16-bit<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgApIhM20nAeYuUTlLsAp3O_ER2rIjdZ6KOnHXcG4nh8Ddnp5YNM5hnjg7Ab08lE1qFIvlnNjErAG2ea8cNf9vYPXyacKCfYHAQXmNj2_gJ0z8Bka7odnFdGWr4JjsswpNT3A3eg6b1-EVu/s875/DWR116_07.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="694" data-original-width="875" height="254" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgApIhM20nAeYuUTlLsAp3O_ER2rIjdZ6KOnHXcG4nh8Ddnp5YNM5hnjg7Ab08lE1qFIvlnNjErAG2ea8cNf9vYPXyacKCfYHAQXmNj2_gJ0z8Bka7odnFdGWr4JjsswpNT3A3eg6b1-EVu/s320/DWR116_07.jpg" width="320" /></a></div>5V/2A power adapter included<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhpPet7DA9_IRF6GEMCysEiwhVRxlI5Tvx0V3pgw58AqcIowB5qxw3xk934C5rXqyfpQe2l-oQEhF24FfXF7-mmGUik4at_XIyFG-niSeBwavPqtTWnk3fMyx_kZ2gKBNdV_yn5Iuywa55E/s449/DWR116_08.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="441" data-original-width="449" height="314" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhpPet7DA9_IRF6GEMCysEiwhVRxlI5Tvx0V3pgw58AqcIowB5qxw3xk934C5rXqyfpQe2l-oQEhF24FfXF7-mmGUik4at_XIyFG-niSeBwavPqtTWnk3fMyx_kZ2gKBNdV_yn5Iuywa55E/s320/DWR116_08.jpg" width="320" /></a></div><span face="Verdana, Arial, Helvetica, sans-serif" style="background-color: white; color: #15202b;">MP1495DJ</span><div><span face="Verdana, Arial, Helvetica, sans-serif" style="color: #15202b;"><span>Next to it: burned out SY6280 (for USB host port)<br /></span></span><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgyzxS7vQGf2wBeiKsv_eMrqGAlz_8h-BgJy94v55uqLym-DAmcn2lM9HQUkXuXREUIij1uDESt8nyXgG9kTSy2nn6Y408mDjdt_AO6VOqy21P3cfuds6_tU3kZsVGbPRjnv68C8svAyuyw/s911/DWR116_09.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="806" data-original-width="911" height="283" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgyzxS7vQGf2wBeiKsv_eMrqGAlz_8h-BgJy94v55uqLym-DAmcn2lM9HQUkXuXREUIij1uDESt8nyXgG9kTSy2nn6Y408mDjdt_AO6VOqy21P3cfuds6_tU3kZsVGbPRjnv68C8svAyuyw/s320/DWR116_09.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhTDUiSL8TXlm0wbTzwD5URn2YEOjjxa9PLenB0FVX3cJA-tO6VpSRc60mDhKGDf7hyphenhyphen2wlepsNchSlYjy0vpMidCjLZD2QODU45UQbRsia0EKD2Cqi325430Xnqxkdoq79ufxW8I4umlC6R/s847/DWR116_10.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="838" data-original-width="847" height="317" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhTDUiSL8TXlm0wbTzwD5URn2YEOjjxa9PLenB0FVX3cJA-tO6VpSRc60mDhKGDf7hyphenhyphen2wlepsNchSlYjy0vpMidCjLZD2QODU45UQbRsia0EKD2Cqi325430Xnqxkdoq79ufxW8I4umlC6R/s320/DWR116_10.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjqHy5e1aLBx6hpSwW-giziQTCXTfN1gMQh5lHvRiD7rtUzQzGQp3LAKHrsvb2v-tzOmcdt3FNXqZt_VyVzWLr3gmfOZPDBcjMl4bs3xxWeO5KymYnJH_NswKh43HokAeHRiUWD4gd4niqW/s1076/DWR116_11.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="778" data-original-width="1076" height="231" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjqHy5e1aLBx6hpSwW-giziQTCXTfN1gMQh5lHvRiD7rtUzQzGQp3LAKHrsvb2v-tzOmcdt3FNXqZt_VyVzWLr3gmfOZPDBcjMl4bs3xxWeO5KymYnJH_NswKh43HokAeHRiUWD4gd4niqW/s320/DWR116_11.jpg" width="320" /></a></div>No visible damages beside burned SY6280 and power supply seems fine, but still very little activity on Flash pins - at the moment I gave up fixing it. Perhaps reading current Flash content should be next step.<br /><p><br /><br /></p></div>Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-4030197149523771443.post-70206796528294167092021-11-15T00:31:00.001+01:002021-11-15T00:38:07.990+01:00MPOW D7 earphones<p></p><div class="separator" style="clear: both; text-align: center;"><div class="separator" style="clear: both; text-align: center;"><div class="separator" style="clear: both; text-align: left;">Inexpensive Bluetooth earphones.</div><div class="separator" style="clear: both; text-align: left;">Two earpieces connected with cable, buttons only on the right one.</div><div class="separator" style="clear: both; text-align: left;"><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgRGvol59ZtSPXsaUHX2Tb53Nrg0wbEjKGBlHE6AkGjppzpfp3NGqZImWMzSzBWfD5RcvcD2hXTSRZedQDfbC8b2gzTROaUsYJTjmH8a27RfNPYEpFUZj9xMaesy_I0PcLi_MRax58RVHLu/s614/MPOW_D7_06.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="432" data-original-width="614" height="225" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgRGvol59ZtSPXsaUHX2Tb53Nrg0wbEjKGBlHE6AkGjppzpfp3NGqZImWMzSzBWfD5RcvcD2hXTSRZedQDfbC8b2gzTROaUsYJTjmH8a27RfNPYEpFUZj9xMaesy_I0PcLi_MRax58RVHLu/s320/MPOW_D7_06.jpg" width="320" /></a></div>Reason to disassemble: no sound from right earpiece.</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhtFbr2RYM9UdC9Gt-PwLJy5IZqUaw6B9Ot5gHrv4pgQFjC8HmKV1Bb1HOgaHqe1Nrd4s9S-sS7h2ctc9Q22oJCBvWbw4tqgu7JEbl5aJw6zfLUe1Cc7EvXISxKKvOvh1qzAue6cvQL57tU/s729/MPOW_D7_01.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="677" data-original-width="729" height="297" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhtFbr2RYM9UdC9Gt-PwLJy5IZqUaw6B9Ot5gHrv4pgQFjC8HmKV1Bb1HOgaHqe1Nrd4s9S-sS7h2ctc9Q22oJCBvWbw4tqgu7JEbl5aJw6zfLUe1Cc7EvXISxKKvOvh1qzAue6cvQL57tU/s320/MPOW_D7_01.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEghQmfHum3tqPCowrdE0OSLBMS2fL9eE29j2oNaVWu7RE4BppcUpwgQNPdrcfacekKJ3cOfFmqQeaKa2YHAlsbMJi_gzq-rDvqa0QgkwbfxlnvOT25GLMOGvQap1yxETINnfILFzJcJN5_g/s555/MPOW_D7_02.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="503" data-original-width="555" height="290" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEghQmfHum3tqPCowrdE0OSLBMS2fL9eE29j2oNaVWu7RE4BppcUpwgQNPdrcfacekKJ3cOfFmqQeaKa2YHAlsbMJi_gzq-rDvqa0QgkwbfxlnvOT25GLMOGvQap1yxETINnfILFzJcJN5_g/s320/MPOW_D7_02.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgUU9s1t8nFqr8nDmt_jzXxi000KJNBEm0ANINytdLJSnvCdbBRU4TpatH-wx-hL1WOLCbGz5XQ4_xgqVMsooqPsxg20gxME-n80aPFVDM2CwtZyOSwYPYTcraNhtmJXiVvgx_dy3PdKwJr/s860/MPOW_D7_03.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="437" data-original-width="860" height="163" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgUU9s1t8nFqr8nDmt_jzXxi000KJNBEm0ANINytdLJSnvCdbBRU4TpatH-wx-hL1WOLCbGz5XQ4_xgqVMsooqPsxg20gxME-n80aPFVDM2CwtZyOSwYPYTcraNhtmJXiVvgx_dy3PdKwJr/s320/MPOW_D7_03.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhqWzN_lEnXUKL4DrKXkwlvwf2N0wupbDwJiFHPkkasEi2asX9h74HU9-cJluIBeQBG-g_3tP0wjoam-31sUQmqZzixOlxMSezFXLyt4fl71xOCGex744Bql1bwEO8w_kd6WwkoRjWPmiSv/s380/MPOW_D7_04.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="357" data-original-width="380" height="301" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhqWzN_lEnXUKL4DrKXkwlvwf2N0wupbDwJiFHPkkasEi2asX9h74HU9-cJluIBeQBG-g_3tP0wjoam-31sUQmqZzixOlxMSezFXLyt4fl71xOCGex744Bql1bwEO8w_kd6WwkoRjWPmiSv/s320/MPOW_D7_04.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhuT7iCongiQhei9AKwrt2j07vub3FTLwbbu9uGDGgrbIHYIKprMYUM9Cop4GVdtakUhCyZup6y3p3XtIjrv22FBPqFWYPpPcKeh2bFpbohco9SAQU1c-YiB6lB9MvM-022lS8eOYnFNbRS/s540/MPOW_D7_05.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="278" data-original-width="540" height="165" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhuT7iCongiQhei9AKwrt2j07vub3FTLwbbu9uGDGgrbIHYIKprMYUM9Cop4GVdtakUhCyZup6y3p3XtIjrv22FBPqFWYPpPcKeh2bFpbohco9SAQU1c-YiB6lB9MvM-022lS8eOYnFNbRS/s320/MPOW_D7_05.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: left;">Earphone turned out to be easy to disassemble.</div><div class="separator" style="clear: both; text-align: left;">Components on the PCB are covered with rubbery coating - this should be partially water resistant.</div><div class="separator" style="clear: both; text-align: left;">Left piece contains probably only LiIon cell (and obviously acoustic transducer).</div><div class="separator" style="clear: both; text-align: left;">Date on the PCB: 2018-11-14.</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj0J3IjFUzgly2jmxtKMmtpQdo3ber0JM5fEh3QUxFEhcxiF2q3H5Xi65j0KWQz1GZiuxLgkvcR1YTxBCF-B6pW4tsmHqacFFERBhdePjhwfvHIQdNN3YJQuYTuWXU1L7g7z20SpSh1q-0C/s730/MPOW_D7_07.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="730" data-original-width="586" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj0J3IjFUzgly2jmxtKMmtpQdo3ber0JM5fEh3QUxFEhcxiF2q3H5Xi65j0KWQz1GZiuxLgkvcR1YTxBCF-B6pW4tsmHqacFFERBhdePjhwfvHIQdNN3YJQuYTuWXU1L7g7z20SpSh1q-0C/s320/MPOW_D7_07.jpg" width="257" /></a></div><div class="separator" style="clear: both; text-align: left;">CSR8635 from Qualcomm.</div><div class="separator" style="clear: both; text-align: left;">Single microphone.</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEinh__B6w2OGwSiFu38SbL47G37y5DHzU6mgMESwEY2Ee1Ekm7whRwNpN9ZqKtO-RjivqrnEc7vfjA-A_BZYlJMkjHp4uLlJl5ArrkHM_qUHk22TlFH2Rr_411BFt8jkH1BXbE2UonPFnT_/s764/MPOW_D7_08.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="597" data-original-width="764" height="250" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEinh__B6w2OGwSiFu38SbL47G37y5DHzU6mgMESwEY2Ee1Ekm7whRwNpN9ZqKtO-RjivqrnEc7vfjA-A_BZYlJMkjHp4uLlJl5ArrkHM_qUHk22TlFH2Rr_411BFt8jkH1BXbE2UonPFnT_/s320/MPOW_D7_08.jpg" width="320" /></a></div><div class="separator" style="clear: both; text-align: left;">Unfortunately this is failure of acoustic transducer itself and from my experience they are pretty much irreparable. I might try to find matching replacement later though - it looks like there earphones can be reassembled without significant damage.</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgS99zkyTExGhKA2cEFOb2RJ8mV7bbQtR1WvobCaV_0z6IKzb7IvfXcpldUlz1N8nWTEjq8N49ZNS9QlhakB5iLYf4cKiQT0coQvvKaJSwJzrsbra302bxa9ed6kCUvDEDUvganDBCGsXOu/s478/MPOW_D7_09.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="294" data-original-width="478" height="197" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgS99zkyTExGhKA2cEFOb2RJ8mV7bbQtR1WvobCaV_0z6IKzb7IvfXcpldUlz1N8nWTEjq8N49ZNS9QlhakB5iLYf4cKiQT0coQvvKaJSwJzrsbra302bxa9ed6kCUvDEDUvganDBCGsXOu/s320/MPOW_D7_09.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><br /></div><br /><br /></div><br /><br /></div><br /> <p></p>Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-4030197149523771443.post-31291110210440457372021-11-11T16:28:00.005+01:002021-11-12T18:42:33.906+01:00Logitech MX Master 2S<p></p><div class="separator" style="clear: both; text-align: center;"><div class="separator" style="clear: both; text-align: left;">Logitech MX Master 2S with mechanically broken right mouse button.</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi5uIk4P0K6btM9rYT24F0GXJadzY9TehrYHzCItvAMbStoCgYLEgYx1Lm0-4UrMQ5X_EunWsctqkoTHIt3MP9uh25l0RAbIC9nECmvptvj0NHNllhSwu6WfLLxIckxQ7SPl_wrPquzSzUQ/s678/MX_Master2S_01.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="678" data-original-width="545" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi5uIk4P0K6btM9rYT24F0GXJadzY9TehrYHzCItvAMbStoCgYLEgYx1Lm0-4UrMQ5X_EunWsctqkoTHIt3MP9uh25l0RAbIC9nECmvptvj0NHNllhSwu6WfLLxIckxQ7SPl_wrPquzSzUQ/s320/MX_Master2S_01.jpg" width="257" /></a></div><div style="text-align: left;">This mouse can be paired with up to 3 receivers, either Unifying or Bluetooth. According to specification Bluetooth LE is required for second option.</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhGpO5bR66rmHRNqaK-xufW_BXEvMkTfEexsC-WLLL1nUDE9r0GjsYA4lB_GEBjF1Dls_WOfQwr4VqzOcBcZVkHD_06hCvNhWVm377bEcQveirB6CTi8u-eT27pQ_03zmm0XDTeGiN_t_Jy/s779/MX_Master2S_02.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="779" data-original-width="640" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhGpO5bR66rmHRNqaK-xufW_BXEvMkTfEexsC-WLLL1nUDE9r0GjsYA4lB_GEBjF1Dls_WOfQwr4VqzOcBcZVkHD_06hCvNhWVm377bEcQveirB6CTi8u-eT27pQ_03zmm0XDTeGiN_t_Jy/s320/MX_Master2S_02.jpg" width="263" /></a></div><div style="text-align: left;">Internal Li-Ion accumulator, charged with micro USB.</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhe7kSB4MoameJSQOyCdwXSo_zZnKCm8OBt6eX4IDCp-8YiwL3ik9QJ23JfilcdpJG0wMZKL_6RAIyDasnuTYf9G9VAEID5Rb9GWjL4a5iL9t6om0xAW5gfPd-HLZ5hkBuWCVDk2QAY2zjQ/s438/MX_Master2S_03.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="327" data-original-width="438" height="239" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhe7kSB4MoameJSQOyCdwXSo_zZnKCm8OBt6eX4IDCp-8YiwL3ik9QJ23JfilcdpJG0wMZKL_6RAIyDasnuTYf9G9VAEID5Rb9GWjL4a5iL9t6om0xAW5gfPd-HLZ5hkBuWCVDk2QAY2zjQ/s320/MX_Master2S_03.jpg" width="320" /></a></div><div style="text-align: left;">Two visible T5 screws and four Philips screws hidden under feet. Hooks on left and bottom sides, but easy to open.</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhaEnJOwx5WzdCfUSJNP02E8m6caAJLz7K5x3LcR_JYs8C-HjlLvSNhRT0D5TYIFKF8ZIxaouFCMLhz8evOqKz00NT8yWt9Ocge92mmmaMDTYPNY5aNytbv9gGnqYyUQnOE1QeBmur2BeO9/s565/MX_Master2S_04.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="565" data-original-width="531" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhaEnJOwx5WzdCfUSJNP02E8m6caAJLz7K5x3LcR_JYs8C-HjlLvSNhRT0D5TYIFKF8ZIxaouFCMLhz8evOqKz00NT8yWt9Ocge92mmmaMDTYPNY5aNytbv9gGnqYyUQnOE1QeBmur2BeO9/s320/MX_Master2S_04.jpg" width="301" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjDF_BdqAKHeRLSxHTTakrdU_e0GzKlzMMaPla3NMyJokMGKELUwL0MIAW0j0kiO6jXlFpjeXPj_JSdEtt0ByR31fFl5HqoXfSll16R1ZthhgcyDeJ6X-miZInXxYWnXOnEok4Z3DVB1S9L/s1267/MX_Master2S_05.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="984" data-original-width="1267" height="249" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjDF_BdqAKHeRLSxHTTakrdU_e0GzKlzMMaPla3NMyJokMGKELUwL0MIAW0j0kiO6jXlFpjeXPj_JSdEtt0ByR31fFl5HqoXfSll16R1ZthhgcyDeJ6X-miZInXxYWnXOnEok4Z3DVB1S9L/s320/MX_Master2S_05.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhRkiIxYU08iAQSlMQ5Y8If5gK6n-PeinbF-9Ybjz7PNqVzpWZwbUE92tum_pOBvarxic-ByznVvTMrLVSPEEPgw2zWpmpASvMW7V13pHu77lseWcWyvwtq7IT5nLgvN9yfHkd8HPuVSUsh/s929/MX_Master2S_06.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="929" data-original-width="697" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhRkiIxYU08iAQSlMQ5Y8If5gK6n-PeinbF-9Ybjz7PNqVzpWZwbUE92tum_pOBvarxic-ByznVvTMrLVSPEEPgw2zWpmpASvMW7V13pHu77lseWcWyvwtq7IT5nLgvN9yfHkd8HPuVSUsh/s320/MX_Master2S_06.jpg" width="240" /></a></div><div style="text-align: left;">"Hidden PCB" for button hidden in thumb reast.</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgtSp9_Avo0jMKXnJuO-GDc8qsoWdEEAyCBPFKQ7pFBgQmLa8LQQsnzK26I35RjmcOCyPDVhAbxKSOPNn8UgYaIWbvQ2lZe-fbVh2uQJwrm863nMZFPM9978fcg6JFW7t8P2V4vFLpGpGsv/s929/MX_Master2S_07.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="929" data-original-width="697" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgtSp9_Avo0jMKXnJuO-GDc8qsoWdEEAyCBPFKQ7pFBgQmLa8LQQsnzK26I35RjmcOCyPDVhAbxKSOPNn8UgYaIWbvQ2lZe-fbVh2uQJwrm863nMZFPM9978fcg6JFW7t8P2V4vFLpGpGsv/s320/MX_Master2S_07.jpg" width="240" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgxlMVBNVQMixhKJrauT3ZCDZ_yhLCFLibXfk9nAOq9DXT35_UDAs2bV4BjPeZVbglKO2hJdJw_n4honyNFYP27Q-kCottiywVyYL3UjyPE-w4lC6ILfArj9Zx9ZsZ-by9JjLxWl89Mvzwp/s1056/MX_Master2S_08.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="696" data-original-width="1056" height="211" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgxlMVBNVQMixhKJrauT3ZCDZ_yhLCFLibXfk9nAOq9DXT35_UDAs2bV4BjPeZVbglKO2hJdJw_n4honyNFYP27Q-kCottiywVyYL3UjyPE-w4lC6ILfArj9Zx9ZsZ-by9JjLxWl89Mvzwp/s320/MX_Master2S_08.jpg" width="320" /></a></div><div style="text-align: left;">500 mAh battery. Three leds with light pipes on left side indicate charge level. Operation time on single charge is specified as 70 days. Swappable (short instruction is included by manufacturer, though T5 Torx screws are not exactly user friendly) and and as it is not crammed can be probably swapped for third party higher capacity cell.</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgCIzY3h-BDj7vpnIuHoaUvz_D3kQcG4HJ7egKF6zlhSzLV3iYw1-AbCix0rkYenp1IQiivKry4pACAWyzsmg19RGtx4cLX6toKCqWVRTA2zjBXDctjUYCX2PMBKiMmMS9yYKY8RFkBKarn/s694/MX_Master2S_09.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="490" data-original-width="694" height="226" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgCIzY3h-BDj7vpnIuHoaUvz_D3kQcG4HJ7egKF6zlhSzLV3iYw1-AbCix0rkYenp1IQiivKry4pACAWyzsmg19RGtx4cLX6toKCqWVRTA2zjBXDctjUYCX2PMBKiMmMS9yYKY8RFkBKarn/s320/MX_Master2S_09.jpg" width="320" /></a></div><div class="separator" style="clear: both; text-align: center;"><div class="separator" style="clear: both; text-align: left;">Very weird: there was extra screw stuck under battery holder screw. I don't think this was the cause of failure though as there seems to be extra space in this area. I'm pretty sure no one opened it before, so it must be manufacturing fault.</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhujnvO0gySuRbf99I_X91G5zCU-x_gkKkm_qejuJgdSO_vSBUvGVyD5dIKAhZ8dsiuyXBsvxbYApQfmGXiNe35XpKIEi0Q9vKKf3ejpIb-6k6YYrRs4WRkYdn1CxxKwurX9-YECvZEqa1S/" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="566" data-original-width="929" height="195" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhujnvO0gySuRbf99I_X91G5zCU-x_gkKkm_qejuJgdSO_vSBUvGVyD5dIKAhZ8dsiuyXBsvxbYApQfmGXiNe35XpKIEi0Q9vKKf3ejpIb-6k6YYrRs4WRkYdn1CxxKwurX9-YECvZEqa1S/" width="320" /></a></div><br /><div style="text-align: left;">nRF 51802 - from Nordic site: general purpose, ultra-low power SoC ideally suited for Bluetooth® Low Energy and 2.4 GHz proprietary wireless applications. It is built around the 32-bit ARM® Cortex™-M0 CPU with 256 KB flash + 16 KB RAM. The flexible 2.4 GHz radio supports Bluetooth Low Energy and 2.4 GHz proprietary protocols, such as Gazell.</div><div style="text-align: left;"><div>It incorporates a rich selection of analog and digital peripherals that can interact directly without CPU intervention through the Programmable Peripheral Interconnect (PPI) system. Flexible GPIOs enables you to connect digital interfaces like SPI Master/slave, TWI Master and UART to any of the 31 GPIOs on the device.</div><div><br /></div><div>The nRF51802 is a low cost variant of the nRF51822, it has the same functionality, but has minor performance degradation in terms of:</div><div><ul style="text-align: left;"><li>2 dB less RX sensitivity</li><li>Slightly higher RX and TX peak currents</li></ul></div></div></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhDklvP2O-2OcgnO9RiIiFE-XKS_Iqz7Nn71d7otD00IeuDZO-Szt9SDxs0L5QTk6rIj6Mbwu3urpHKx-PTpKBxBLmcNIzmSgfA_mlQzpHHe36kA5js02DyLXFATz_u6WO6N8_klzEk-oBE/s929/MX_Master2S_10.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="697" data-original-width="929" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhDklvP2O-2OcgnO9RiIiFE-XKS_Iqz7Nn71d7otD00IeuDZO-Szt9SDxs0L5QTk6rIj6Mbwu3urpHKx-PTpKBxBLmcNIzmSgfA_mlQzpHHe36kA5js02DyLXFATz_u6WO6N8_klzEk-oBE/w400-h300/MX_Master2S_10.jpg" width="400" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEglXFwHXyOjdlZYu3uXPAh4c4AHmJvVLxyFSi3XgBO4wP9IRoKPyvDuducDHi_surpY-fSem4MRpYEf3wKy7gZ0pSq11h6R6ljvuDShFugN_MZ6_pp6QdZv2ESFDSWZhIVG-_N9YNnCzPT4/s1091/MX_Master2S_11.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="995" data-original-width="1091" height="292" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEglXFwHXyOjdlZYu3uXPAh4c4AHmJvVLxyFSi3XgBO4wP9IRoKPyvDuducDHi_surpY-fSem4MRpYEf3wKy7gZ0pSq11h6R6ljvuDShFugN_MZ6_pp6QdZv2ESFDSWZhIVG-_N9YNnCzPT4/s320/MX_Master2S_11.jpg" width="320" /></a></div><div style="text-align: left;">BQ24040 LiIon charger</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhFUwthVVFzzQejI-DOqSeS2u8EZLW_j-JUgrQmMDGmWH89_E6gKVDJtlLyI0ai8XYMq95Vh8dUxW1pZJJi1mJChhFhYAVkjULKpcaBbtOeA3sBPjybu0SQvvPTdJ0Ys8cAyHtU-U4BBIK8/s809/MX_Master2S_12.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="612" data-original-width="809" height="242" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhFUwthVVFzzQejI-DOqSeS2u8EZLW_j-JUgrQmMDGmWH89_E6gKVDJtlLyI0ai8XYMq95Vh8dUxW1pZJJi1mJChhFhYAVkjULKpcaBbtOeA3sBPjybu0SQvvPTdJ0Ys8cAyHtU-U4BBIK8/s320/MX_Master2S_12.jpg" width="320" /></a></div><div style="text-align: start;">Pixart PMW3816DM sensor. Up to 4000 dpi according to specification and working on glass surfaces.</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhzcc09Eq5CS_leZybwNSAxXaEw4z8zRe0DIcjOG-zNT09tAMHG4skURFM9LUc5_SpobvCQSKF_mm4pMCHWdPVxoLpiFVNr5f2eRUkgb5SkRp6I4UBmBZ0gldUvoCEqHgFlepP7hR2BmKSq/s1195/MX_Master2S_13.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="786" data-original-width="1195" height="210" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhzcc09Eq5CS_leZybwNSAxXaEw4z8zRe0DIcjOG-zNT09tAMHG4skURFM9LUc5_SpobvCQSKF_mm4pMCHWdPVxoLpiFVNr5f2eRUkgb5SkRp6I4UBmBZ0gldUvoCEqHgFlepP7hR2BmKSq/s320/MX_Master2S_13.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg_rMqo8LdYmJqDDWsiX7HuJt1VHU6EMrz0KJoC7chTm7Sv9tqcZ2eaTz02ggqLA-4DWhreOCKeqoWkk-9blyqL8UvLcBCMzbHVYt1djdovhh1MduYwhIlW7PtxwZjmzwDDAVGDCTXj9hBC/s954/MX_Master2S_14.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="772" data-original-width="954" height="259" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg_rMqo8LdYmJqDDWsiX7HuJt1VHU6EMrz0KJoC7chTm7Sv9tqcZ2eaTz02ggqLA-4DWhreOCKeqoWkk-9blyqL8UvLcBCMzbHVYt1djdovhh1MduYwhIlW7PtxwZjmzwDDAVGDCTXj9hBC/s320/MX_Master2S_14.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjZ-xZJ12NObS7APHwtdWp4ynmTNXb2xxYrse_svZ8a370N9R9NpCdbp686KBwnHZOdo0tllfYjPcqNstUgDdsRL3QSAP0REgYu4dky_NAelDkHxGJ9x3RxoAMBFF8yWLmZRQveSGttz2CI/s1086/MX_Master2S_15.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="775" data-original-width="1086" height="228" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjZ-xZJ12NObS7APHwtdWp4ynmTNXb2xxYrse_svZ8a370N9R9NpCdbp686KBwnHZOdo0tllfYjPcqNstUgDdsRL3QSAP0REgYu4dky_NAelDkHxGJ9x3RxoAMBFF8yWLmZRQveSGttz2CI/s320/MX_Master2S_15.jpg" width="320" /></a></div><div style="text-align: left;">Motor has semicircular element on the shaft. After rotating it other plastic element is moved and mouse wheel is either freed or is resisting.</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhDzmekCiDi8-k1_MYVncZlIKzwsICTsa4E_ozwG0rlTpl6WX2wFFO2czb_jS2iVtyuy7Hx7_ar8KeOm1FoHs2uTCY8GBqyy6duj3BRuAzN7kiRRwtclbzfy1DnNVyxmgCfxv6iOy246M0S/s1056/MX_Master2S_16.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="671" data-original-width="1056" height="203" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhDzmekCiDi8-k1_MYVncZlIKzwsICTsa4E_ozwG0rlTpl6WX2wFFO2czb_jS2iVtyuy7Hx7_ar8KeOm1FoHs2uTCY8GBqyy6duj3BRuAzN7kiRRwtclbzfy1DnNVyxmgCfxv6iOy246M0S/s320/MX_Master2S_16.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgJbO2k_ncbC1zrPi8PyyQqu8oo3wanAIH1TG5MJI4zGaz4C-Ed72kM7dysaf8fFllLMw-sBcrgP0HqiLi1fCFwb2umou6UHGmtP_Pryf3qwplrNapZwudBezDWgC5uAwUSpHvsQEUKlvQ3/s1067/MX_Master2S_17.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="559" data-original-width="1067" height="168" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgJbO2k_ncbC1zrPi8PyyQqu8oo3wanAIH1TG5MJI4zGaz4C-Ed72kM7dysaf8fFllLMw-sBcrgP0HqiLi1fCFwb2umou6UHGmtP_Pryf3qwplrNapZwudBezDWgC5uAwUSpHvsQEUKlvQ3/s320/MX_Master2S_17.jpg" width="320" /></a></div><div style="text-align: left;">Broken right mouse button. I've used some epoxy glue and also heated this element with hot air (at 130 C) to adjust its shape/position.</div><div style="text-align: left;">There is also missing metal spring from the same button (probably lost at the same time button was broken). This changes the click feel, but still seems acceptable.</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEip9GRHFGPHzlIDGxWEHJ6fPlpEmgBISSk9C6uCXqJHpDke5Hz6VzOUrwFROT4jDzqqamRIkurLDNFQOKI4WUmHaq5C1eDO2JwmdZDkYN_Jsim52HljwSgu5b8fwhP5ILRHc1tFSDRFwH4j/s906/MX_Master2S_18.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="906" data-original-width="478" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEip9GRHFGPHzlIDGxWEHJ6fPlpEmgBISSk9C6uCXqJHpDke5Hz6VzOUrwFROT4jDzqqamRIkurLDNFQOKI4WUmHaq5C1eDO2JwmdZDkYN_Jsim52HljwSgu5b8fwhP5ILRHc1tFSDRFwH4j/s320/MX_Master2S_18.jpg" width="169" /></a></div><div style="text-align: left;">Hidden button (described as intended for gestures):</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjrJQi797ItNXyBMA2Z9upheo42nUH2qTLxrDbfhyphenhyphenQhDje_MWWfgshlnO-scwHxc5cq_Drkr-ZoY3CKwLk4_H4w4pFM4VqUD2vA87jwPjTKWP3uAP8BoBXlyW3gwrzrJ_2xDyG45urRGxVQ/s841/MX_Master2S_19.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="503" data-original-width="841" height="191" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjrJQi797ItNXyBMA2Z9upheo42nUH2qTLxrDbfhyphenhyphenQhDje_MWWfgshlnO-scwHxc5cq_Drkr-ZoY3CKwLk4_H4w4pFM4VqUD2vA87jwPjTKWP3uAP8BoBXlyW3gwrzrJ_2xDyG45urRGxVQ/s320/MX_Master2S_19.jpg" width="320" /></a></div><div style="text-align: left;">After repair:</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhY340dUwpw-HaSDdBKWF7ahF1RSP2ZR4eYmne-p9CODYrnRGWfCduk3WcYqbK5iJKT_Fl_J5Bb4-vfM8SijCZ24xV-Yx7ggb_ebUbC3YicX6V1Vcf-dsC9sAhHLc2PNVnjplU_tGc1hvNA/s1140/MX_Master2S_20.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="893" data-original-width="1140" height="251" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhY340dUwpw-HaSDdBKWF7ahF1RSP2ZR4eYmne-p9CODYrnRGWfCduk3WcYqbK5iJKT_Fl_J5Bb4-vfM8SijCZ24xV-Yx7ggb_ebUbC3YicX6V1Vcf-dsC9sAhHLc2PNVnjplU_tGc1hvNA/s320/MX_Master2S_20.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjPeGyKVjZU6oTfpuHaPIefveWl1YlBJP8E0cwfIFO4zUULpexb9Sfnd9mc7jet5pfWCjSVr2H4UrR1vmZAEZfX69qolq3s-k0GjHM7_VprLn3kkkN13nBQWBBxoA3_Zy84aHolOwvmZLkH/s801/MX_Master2S_21.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="539" data-original-width="801" height="215" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjPeGyKVjZU6oTfpuHaPIefveWl1YlBJP8E0cwfIFO4zUULpexb9Sfnd9mc7jet5pfWCjSVr2H4UrR1vmZAEZfX69qolq3s-k0GjHM7_VprLn3kkkN13nBQWBBxoA3_Zy84aHolOwvmZLkH/s320/MX_Master2S_21.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjW1nGx9uMx2uhs3FsO9Gap5d1mxhDsPGC99v9tjl3p1MHjYqdPKlDjMfV2rJms1nr_M2XbgpkvPpoSKImXgTaO2WMX5cRWjopBRkbdC7FSX9_6xz4rATTw3glxjEc6dQsRtOYPnKtECoiU/s749/MX_Master2S_22.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="564" data-original-width="749" height="241" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjW1nGx9uMx2uhs3FsO9Gap5d1mxhDsPGC99v9tjl3p1MHjYqdPKlDjMfV2rJms1nr_M2XbgpkvPpoSKImXgTaO2WMX5cRWjopBRkbdC7FSX9_6xz4rATTw3glxjEc6dQsRtOYPnKtECoiU/s320/MX_Master2S_22.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><br /></div><br /><br /></div><br /><br /><br /><p></p>Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-4030197149523771443.post-61384731293388927482021-11-08T20:47:00.002+01:002021-11-09T20:01:25.375+01:00Mini drill chuck<p>Years ago I've bough cheap cheap (~$10 I think), low power miniature drill/grinder for PCB drilling. It looks like this type of tool is still available with various brand names.</p><p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgLh9xNhUs5-QuobBGwsTekXNEnOhi1sC6BkLjKO2QTORCe3bPhxbf0AVeG9Nan3gXpn_NaYWf_hPSGBdJoxyffmEoYfSFMSfU-eSXKWH3b1ftOE1lCSHwCfwencuw0r382OQzq8zeRdmNa/" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="398" data-original-width="746" height="214" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgLh9xNhUs5-QuobBGwsTekXNEnOhi1sC6BkLjKO2QTORCe3bPhxbf0AVeG9Nan3gXpn_NaYWf_hPSGBdJoxyffmEoYfSFMSfU-eSXKWH3b1ftOE1lCSHwCfwencuw0r382OQzq8zeRdmNa/w400-h214/mini_drill.jpg" width="400" /></a></div><br />There were two or three tool adapters made from brass in set, for ~3 mm tools, but nothing that could hold 0.8-1.0 mm drills. I've used various combinations of paper/wire/glue/tape to make these drills fit, but it was not convenient and not reliable.<p></p><p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg0NQFfAswUcpZFgYbT2HOv4w_OHfB7RTvTVervLwr83Uf8Csr3_BrcbzAbWQIdUJ0f_p_mqfZxzkED9rKnaILYG_Fklc1VVd3VkHuUaEgobjHmS0vinscp_Lvatv1_hWLLP3F96K34vrJE/" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="383" data-original-width="640" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg0NQFfAswUcpZFgYbT2HOv4w_OHfB7RTvTVervLwr83Uf8Csr3_BrcbzAbWQIdUJ0f_p_mqfZxzkED9rKnaILYG_Fklc1VVd3VkHuUaEgobjHmS0vinscp_Lvatv1_hWLLP3F96K34vrJE/w400-h240/drills.jpg" width="400" /></a></div><br />Luckily this grinder/drill machine can be combined with cheap mini drill chuck - I've bought "M8L"/"M8 Long" model for less than $2 with shipping included and it seems to be good fit. Nominal drill sizes range: 0.3 - 3.2 mm.<p></p><p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg_yXF5VLezOg-QwyRL-hIwm7_6DBDJsfURG9lCo66uj6xIYjGCs_aMUFuZ1DZwD3N69hHnTz-KO5AxedN2IVXVTsEa2Il8PT6WxAapJxeQa4sY00BHOJljGxydDebvHBjPf_WQmuPoL5DH/" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="349" data-original-width="494" height="283" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg_yXF5VLezOg-QwyRL-hIwm7_6DBDJsfURG9lCo66uj6xIYjGCs_aMUFuZ1DZwD3N69hHnTz-KO5AxedN2IVXVTsEa2Il8PT6WxAapJxeQa4sY00BHOJljGxydDebvHBjPf_WQmuPoL5DH/w400-h283/M8L_chuck_01.jpg" width="400" /></a></div><div class="separator" style="clear: both; text-align: center;"><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjRgaTLHZFU3OLNdy7h_E5hiw10IVQ55bK0TXhhiDY66Kf7yeHXqsazOPr3pMmq7-1h7ifZC3E1pykghGmdVAH4vCkt_EdCcLik-5cu1c9qZWhwvLFG4nnlTqwwjaZdJhuE0v167iKsDmIF/" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="454" data-original-width="395" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjRgaTLHZFU3OLNdy7h_E5hiw10IVQ55bK0TXhhiDY66Kf7yeHXqsazOPr3pMmq7-1h7ifZC3E1pykghGmdVAH4vCkt_EdCcLik-5cu1c9qZWhwvLFG4nnlTqwwjaZdJhuE0v167iKsDmIF/w348-h400/M8L_chuck_02.jpg" width="348" /></a></div><div class="separator" style="clear: both; text-align: center;"><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh2HP6GXzueGf3ucX49Gh5RdMKBjE-EOePGfrf21zc1DqB5Len_q5R98rPA0lbovC-eziFNRdF-re48uVdWzMIp8GdKrmc6_q9icL7pTmufbW_-P2V6hbI9_1UEBZUzSyQzax7VA_rAzEEl/" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="411" data-original-width="506" height="325" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh2HP6GXzueGf3ucX49Gh5RdMKBjE-EOePGfrf21zc1DqB5Len_q5R98rPA0lbovC-eziFNRdF-re48uVdWzMIp8GdKrmc6_q9icL7pTmufbW_-P2V6hbI9_1UEBZUzSyQzax7VA_rAzEEl/w400-h325/M8L_chuck_03.jpg" width="400" /></a></div><div class="separator" style="clear: both; text-align: center;"><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjgqdWEiDQWRltxNVwaNi4gm055H3BQ5ZZwozpQIbpwyPkCM1Ts_pvPxcL_qBm0tddPhIgES08mfLhOvNue6JndVVyyi7Ij2wypj2ztoO6AM9YEw9GklcB2pS0PipSViWbXfEMOrBM1O6A7/" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="406" data-original-width="456" height="356" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjgqdWEiDQWRltxNVwaNi4gm055H3BQ5ZZwozpQIbpwyPkCM1Ts_pvPxcL_qBm0tddPhIgES08mfLhOvNue6JndVVyyi7Ij2wypj2ztoO6AM9YEw9GklcB2pS0PipSViWbXfEMOrBM1O6A7/w400-h356/M8L_chuck_04.jpg" width="400" /></a></div><div style="text-align: left;">Not too precise, but as this drill/grinder is not too precise either and it is hand operated this is not a problem, especially if center punch or drill aids are used.</div><br /></div><br /><br /></div><br /><br /></div><br /><br /><p></p>Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-4030197149523771443.post-37280773399639194452021-10-03T21:00:00.013+02:002021-10-04T22:19:19.757+02:00Logitech MX518 mouse<p>Logitech MX518 Legendary, model number MU0053 (G-series refresh), black version ("Nightfall").</p><p>Very lightly used (almost unused?) but not working when received, enumerating with VID 0, PID 0.<br /></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhjqvifdsBNtFHeDped9kEQ_4r0-Z4nOmJxZFRt9PEvnXdHUGfv3Ydwh2G7c_-WRkGLMuYvjos3ZNCjy0Q_Nye6-5tEL_g1877UwVZo5Q_VoXRuHqc9v527kIqOfTjZ00AYJtYpqXx_h46C/s760/MX518_01.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="500" data-original-width="760" height="211" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhjqvifdsBNtFHeDped9kEQ_4r0-Z4nOmJxZFRt9PEvnXdHUGfv3Ydwh2G7c_-WRkGLMuYvjos3ZNCjy0Q_Nye6-5tEL_g1877UwVZo5Q_VoXRuHqc9v527kIqOfTjZ00AYJtYpqXx_h46C/s320/MX518_01.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhHoufQJnYagnY3jlTiymXW2xjGi7_wwPS-hh6TCJT-RNnavc38TUgvt51hV3fPK2BRGstwJvqy5q_xYEOs-iH5yVRE5I56FDTFpn1tt5RDJaGDBYpXn-h1BWz6WCwKaU-db02ylKqxJhn3/s725/MX518_02.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="725" data-original-width="605" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhHoufQJnYagnY3jlTiymXW2xjGi7_wwPS-hh6TCJT-RNnavc38TUgvt51hV3fPK2BRGstwJvqy5q_xYEOs-iH5yVRE5I56FDTFpn1tt5RDJaGDBYpXn-h1BWz6WCwKaU-db02ylKqxJhn3/s320/MX518_02.jpg" width="267" /></a></div>I hate these screws under feet. Here feet have also two layers - external and some kind of foam and when removing top foot I've left this foam, probably bad decision.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi3E1IvGCdgBKneLYtproGdLjniM_-9fm_R4uPdtpXm9YATSHXxWRHhdDnKbC3c8r6DIoFuioexkFwGUDXiKN2w0hsw-CKQxIzTnLUrwNNCu3mspI0yWgB3HfdJZZ7Q7LrO1498rGAm1zZC/s955/MX518_03.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="789" data-original-width="955" height="264" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi3E1IvGCdgBKneLYtproGdLjniM_-9fm_R4uPdtpXm9YATSHXxWRHhdDnKbC3c8r6DIoFuioexkFwGUDXiKN2w0hsw-CKQxIzTnLUrwNNCu3mspI0yWgB3HfdJZZ7Q7LrO1498rGAm1zZC/s320/MX518_03.jpg" width="320" /></a></div>Watch out for the tape that is connecting switches from top part of the shell.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgRgXmZ1lgnPklGoTVztzgzlFip-LnHT-dmLeWobV3rTe0qbuFYSiYpsOTS7gFsbJD5-7zPq7DqmiZFabXmnI8zLT7klBiHVEN5pliSB2xq_4GoK483usK1LjUlHB1Pgagk2lvflKFYyLij/s800/MX518_04.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="600" data-original-width="800" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgRgXmZ1lgnPklGoTVztzgzlFip-LnHT-dmLeWobV3rTe0qbuFYSiYpsOTS7gFsbJD5-7zPq7DqmiZFabXmnI8zLT7klBiHVEN5pliSB2xq_4GoK483usK1LjUlHB1Pgagk2lvflKFYyLij/s320/MX518_04.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjrQ1e-YLkedVj3TTi0B5aIj90eV0CV88WEQCigxyvWIlibUPGo1Bp1_3Mw6u3B-GPIw6VePnlFhUQl41lFbmG6_9FAB9oXPytjw-eKzSCTIAXw2Q1BT9ze-IDdkumgP2iaMLArKehx_PZr/s972/MX518_05.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="548" data-original-width="972" height="180" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjrQ1e-YLkedVj3TTi0B5aIj90eV0CV88WEQCigxyvWIlibUPGo1Bp1_3Mw6u3B-GPIw6VePnlFhUQl41lFbmG6_9FAB9oXPytjw-eKzSCTIAXw2Q1BT9ze-IDdkumgP2iaMLArKehx_PZr/s320/MX518_05.jpg" width="320" /></a></div>HERO Hg11 optical sensor.<p></p><p>STM32L100R8T6<br /></p><p></p><ul style="text-align: left;"><li>64 kB FLASH</li><li>8 kB RAM</li><li>2 kB EEPROM (pretty rare from STM32)</li><li>USB</li><li>LQFP64 - seems like there would be many unused pins</li><li>currently not recommended for new designs</li></ul><p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiAi7tTmH6BXKUNg_j_cbizl0eOvwCGt1ZN-h-go8NumA09GoZPxiBkn5iUuFwgJ2wCD7fpHzpW6d6w4BJEdWLoJNt_5MbfprUnJpsAXe_r-bExKXIOS_7uQ3a5lBL7fXegk06hcnZ86eo9/s800/MX518_06.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="600" data-original-width="800" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiAi7tTmH6BXKUNg_j_cbizl0eOvwCGt1ZN-h-go8NumA09GoZPxiBkn5iUuFwgJ2wCD7fpHzpW6d6w4BJEdWLoJNt_5MbfprUnJpsAXe_r-bExKXIOS_7uQ3a5lBL7fXegk06hcnZ86eo9/s320/MX518_06.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEheyOFxbpCUHKbnSkOBqg-wme5x-quzzSlAVGY-PzY5yodq-UazW7q2UcfI8Z_h2wZsiSGFO0OhIiHgo4vuu-4cuxF6Sr1c786eWoErKqpu1WSmeRsapv69wG8qnCMudByrlVsNStN_RUU8/s668/MX518_07.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="512" data-original-width="668" height="245" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEheyOFxbpCUHKbnSkOBqg-wme5x-quzzSlAVGY-PzY5yodq-UazW7q2UcfI8Z_h2wZsiSGFO0OhIiHgo4vuu-4cuxF6Sr1c786eWoErKqpu1WSmeRsapv69wG8qnCMudByrlVsNStN_RUU8/s320/MX518_07.jpg" width="320" /></a></div>Failure: broken DATA- USB cable line.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjwSKjXwNKgRdaDdvlMajLUBmQKMUuiB3kOCtDS7rp0SXwzkNOYMgRizNsKEhHcGv3qKcKKPqGIYGW74g2HuwZ9XWeBGRKUZMpvRCiVWK56sXlJOiEvvd_3JLucjAHUdAxVh6OqYpe28w1p/s600/MX518_08.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="526" data-original-width="600" height="281" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjwSKjXwNKgRdaDdvlMajLUBmQKMUuiB3kOCtDS7rp0SXwzkNOYMgRizNsKEhHcGv3qKcKKPqGIYGW74g2HuwZ9XWeBGRKUZMpvRCiVWK56sXlJOiEvvd_3JLucjAHUdAxVh6OqYpe28w1p/s320/MX518_08.jpg" width="320" /></a></div>Cable usually breaks near the plug or near the mouse itself, but cutting it blindly would be wasteful, especially considering fancy mounting inside the mouse (H-shaped injection holding the cable near the screws).<p></p><p>I've measured DATA- line capacitance from both ends and it turns out it was very low (~17 pF) near USB plug. This plug did not look well anyway, with two pins sticking out, so I've cut cable few centimetres from the plug.<br /></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhxautQJzb2Vcj0Q2GrBjZcrhNQN9qURmA9Gj17rdq-HaCIUOm2kN7GGe3k4MUU7-SkvBVx-x21ghLdW7BaoO4c7NAdiWrlFfVrsCE4u47-_aC4CLISHpB0_FN8qaWe85Bhx3J0mfDZl_cp/s477/MX518_09.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="341" data-original-width="477" height="229" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhxautQJzb2Vcj0Q2GrBjZcrhNQN9qURmA9Gj17rdq-HaCIUOm2kN7GGe3k4MUU7-SkvBVx-x21ghLdW7BaoO4c7NAdiWrlFfVrsCE4u47-_aC4CLISHpB0_FN8qaWe85Bhx3J0mfDZl_cp/s320/MX518_09.jpg" width="320" /></a></div>Overall cable quality seems fine, with decent shielding, few (nylon?) threads between the lines and thread inside each line.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhIJwLvddwNYTwEvgswB8qPxnBpTAi0K15w49BWq9jyi3nV2sNkLYdWkjtGpBADmZCs3V8FypXtniO8pS6RwCbyDgg4CntT0sqfp534pljGUf1THrUP9ob9aDr7bwTyMMeuWS9JdasP7oTl/s404/MX518_10.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="404" data-original-width="361" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhIJwLvddwNYTwEvgswB8qPxnBpTAi0K15w49BWq9jyi3nV2sNkLYdWkjtGpBADmZCs3V8FypXtniO8pS6RwCbyDgg4CntT0sqfp534pljGUf1THrUP9ob9aDr7bwTyMMeuWS9JdasP7oTl/s320/MX518_10.jpg" width="286" /></a></div>I've used plug from some old Apple Lightning (probably knockoff) cable, wrapped with few layers of different sizes heatshrink tubes working as strain relief plus some epoxy glue. This should be more solid than original.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj9DGpkQlrN4eVFoe-0lMZzVSyKOsFpMrLA3yGmPI-a7rt8lKE_1GiqSkiQ3Bmi-g52PCypDeBWBfIvAlwfRcNEOn3Gl7z8kqM0oAkhIGP8FSpRFzImb9tk0kaYqptgwR8xiVwB1OuVSGZq/s745/MX518_11.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="484" data-original-width="745" height="208" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj9DGpkQlrN4eVFoe-0lMZzVSyKOsFpMrLA3yGmPI-a7rt8lKE_1GiqSkiQ3Bmi-g52PCypDeBWBfIvAlwfRcNEOn3Gl7z8kqM0oAkhIGP8FSpRFzImb9tk0kaYqptgwR8xiVwB1OuVSGZq/s320/MX518_11.jpg" width="320" /></a></div>Mouse feet are slightly warped, but I believe they should still serve well. In worst case, as this is quite popular brand and model, replacement sets are available and not that expensive, starting from $1.50 if you don't mind waiting for shipping from China.<p>In hindsight, I could probably avoided opening mouse altogether if I would have thought of measuring cable capacitance first.</p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj3Au0rsOVOzXu5wvjENZ9gNMlXsvXCKqZQe-YSP6HmEchINs0p8MszZAJE5zs1iAc8Ky-eFgJ9PXoBBilEGV1KJO8SsTE5CSyzHXZM2inYIyzsilnkuC8U0DJ83vBt1YCdpPVnYblTisaB/s800/MX518_12.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="491" data-original-width="800" height="196" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj3Au0rsOVOzXu5wvjENZ9gNMlXsvXCKqZQe-YSP6HmEchINs0p8MszZAJE5zs1iAc8Ky-eFgJ9PXoBBilEGV1KJO8SsTE5CSyzHXZM2inYIyzsilnkuC8U0DJ83vBt1YCdpPVnYblTisaB/s320/MX518_12.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><br /></div><p></p>Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-4030197149523771443.post-66355891013124355362021-10-02T22:33:00.004+02:002021-10-02T22:33:56.246+02:00Asus TUF M3 mouse<p> Asus TUF M3 gaming mouse.</p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgMXXVWMw9ivpHETiABHgWtSbehyphenhyphenGlFIrOuBwVxXuznYEmjgCj-h-ED96-LXpGbv4pcv4jiM99z7BdnfJ4zDaulrLF9ZebWZDIOwgY4OUPgXkFWlM4NuyHUh-pRSrQh6TVor0tcfGzrPfcr/s552/ASUS_Tuf_M3_01.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="375" data-original-width="552" height="217" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgMXXVWMw9ivpHETiABHgWtSbehyphenhyphenGlFIrOuBwVxXuznYEmjgCj-h-ED96-LXpGbv4pcv4jiM99z7BdnfJ4zDaulrLF9ZebWZDIOwgY4OUPgXkFWlM4NuyHUh-pRSrQh6TVor0tcfGzrPfcr/s320/ASUS_Tuf_M3_01.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEixtT9pFscMoczPztOxUHLbCX8l-UKvJePvQMluxlYEb34MUosF0yLyKNR7AZT4El4RBVGjVOWGZ3qNDMUgtCzT92fFkK8RKNH29p8TBYp2r7u0eMwIbna4U4q7d-jfBb4Cgf9svo15toHc/s552/ASUS_Tuf_M3_02.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="405" data-original-width="552" height="235" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEixtT9pFscMoczPztOxUHLbCX8l-UKvJePvQMluxlYEb34MUosF0yLyKNR7AZT4El4RBVGjVOWGZ3qNDMUgtCzT92fFkK8RKNH29p8TBYp2r7u0eMwIbna4U4q7d-jfBb4Cgf9svo15toHc/s320/ASUS_Tuf_M3_02.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjY1rmkjEW8TyuTosLe_EG-ggnNKbjuzqndeniOgJI6F-lIQsdGFKYy9Z6cFWCATPIjn8diid1XesryrlN5-3qfC7-OIRlJeswGMteni74Tx1Q2PUAk_mSwdc9DepSMUP5pbe_Sk0_fcvU5/s636/ASUS_Tuf_M3_03.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="394" data-original-width="636" height="198" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjY1rmkjEW8TyuTosLe_EG-ggnNKbjuzqndeniOgJI6F-lIQsdGFKYy9Z6cFWCATPIjn8diid1XesryrlN5-3qfC7-OIRlJeswGMteni74Tx1Q2PUAk_mSwdc9DepSMUP5pbe_Sk0_fcvU5/s320/ASUS_Tuf_M3_03.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj67WJuT5HEeXn-lYXk_pYs5twasASafIzE8sHP7s1nBJzkPxaDNMMmiATX_Cahyphenhyphen8IW06oy2pxX2c2qQUNqJP4TDd7NnKTezHGzBfUoqHjKT2qjREMgzGAdLDpOEncwYl-xQ5Az8znC60tB/s558/ASUS_Tuf_M3_04.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="558" data-original-width="531" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj67WJuT5HEeXn-lYXk_pYs5twasASafIzE8sHP7s1nBJzkPxaDNMMmiATX_Cahyphenhyphen8IW06oy2pxX2c2qQUNqJP4TDd7NnKTezHGzBfUoqHjKT2qjREMgzGAdLDpOEncwYl-xQ5Az8znC60tB/s320/ASUS_Tuf_M3_04.jpg" width="305" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhf9PqoNIfWNEFG8D3_SdvQEVwHaZf_QpkpCXTBSsqG79O2Q1b8aBbPMwkGCicSgWKZZBIaGGxZd_xQtBYXhhaSCkOa4han5P5WJhLLtdKIJN0_dtjQCFEg9zUyfrImZ4cCquLDyHTAptXQ/s746/ASUS_Tuf_M3_05.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="746" data-original-width="574" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhf9PqoNIfWNEFG8D3_SdvQEVwHaZf_QpkpCXTBSsqG79O2Q1b8aBbPMwkGCicSgWKZZBIaGGxZd_xQtBYXhhaSCkOa4han5P5WJhLLtdKIJN0_dtjQCFEg9zUyfrImZ4cCquLDyHTAptXQ/s320/ASUS_Tuf_M3_05.jpg" width="246" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi5_9dqoXcNV9BODRh5JZ2wHB786L4evrwzoQeqY1BD4ye9eg1t07V31aCsXldme-MndLrdcci7aPmqbAaXd4zs35Ycfrkmje2WoIGUcin3iFAxXeEAZGEYCq1Rr4hbbroCzXfcuPLoxo2y/s668/ASUS_Tuf_M3_06.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="402" data-original-width="668" height="193" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi5_9dqoXcNV9BODRh5JZ2wHB786L4evrwzoQeqY1BD4ye9eg1t07V31aCsXldme-MndLrdcci7aPmqbAaXd4zs35Ycfrkmje2WoIGUcin3iFAxXeEAZGEYCq1Rr4hbbroCzXfcuPLoxo2y/s320/ASUS_Tuf_M3_06.jpg" width="320" /></a></div>Screws hidden under feet - I hate this, I don't know if it is possible to disassemble it without warping feet.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEggA4-XQid6nv4Zrp3IaSm4AIwnL0W3kW8sQkKKtBAUkXb_U8noA1UKl2DONNza7l1xRFD8yPk_ZPuml6slfpGJWtAtAWkzOAVuwISsxweI4p4TdDkFEW92FXmAyXv-inOLItCfg7fRGGJ0/s800/ASUS_Tuf_M3_07.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="600" data-original-width="800" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEggA4-XQid6nv4Zrp3IaSm4AIwnL0W3kW8sQkKKtBAUkXb_U8noA1UKl2DONNza7l1xRFD8yPk_ZPuml6slfpGJWtAtAWkzOAVuwISsxweI4p4TdDkFEW92FXmAyXv-inOLItCfg7fRGGJ0/s320/ASUS_Tuf_M3_07.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiXNlwy4R_TPzJaKJHiAyfCT36GbG0ovWiIBSFK_QceZJO7slfcVp8d_VhOLnYwN3A1yJZ_-CtMhPQ9xmv6lt0z8eHB_7WuTXP8o5p1zOnEXv6JlMsMCmXp56-oAoQF5S4ARWhho4dw7lf1/s709/ASUS_Tuf_M3_08.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="428" data-original-width="709" height="193" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiXNlwy4R_TPzJaKJHiAyfCT36GbG0ovWiIBSFK_QceZJO7slfcVp8d_VhOLnYwN3A1yJZ_-CtMhPQ9xmv6lt0z8eHB_7WuTXP8o5p1zOnEXv6JlMsMCmXp56-oAoQF5S4ARWhho4dw7lf1/s320/ASUS_Tuf_M3_08.jpg" width="320" /></a></div>Kailh switches and Kailh mouse wheel encoder.<p></p><p>Board marking: P2W13076A1.<br /></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgFja2k4rMyPHVFVQNjp_Cm3ImkKtl6Su9dLymGoVZA4gFf8pdabKZ5ygScE9Xk0EAaM3koWI0qzFtJncpdcl9mzeKbA12etbv1h2I4ibi3FvciZH_Ucexfvmy2OtJDMeLfcNJ_omQuwHbu/s595/ASUS_Tuf_M3_09.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="595" data-original-width="548" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgFja2k4rMyPHVFVQNjp_Cm3ImkKtl6Su9dLymGoVZA4gFf8pdabKZ5ygScE9Xk0EAaM3koWI0qzFtJncpdcl9mzeKbA12etbv1h2I4ibi3FvciZH_Ucexfvmy2OtJDMeLfcNJ_omQuwHbu/s320/ASUS_Tuf_M3_09.jpg" width="295" /></a></div>Optical sensor: Pixart PWM3325.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgiHbl6O5m_vihVFxLc85gDbyWAqXrACXBa68cGcx2hKRL2y6EBPRQuS2lRTHEurVodf5dW4kxuFbz0Le4qZ9KuxMw-9krylqYDRj2wjrUc4x0X5hiv6EO6NJD4k9736xy8A7QPbIPw1qli/s800/ASUS_Tuf_M3_10.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="600" data-original-width="800" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgiHbl6O5m_vihVFxLc85gDbyWAqXrACXBa68cGcx2hKRL2y6EBPRQuS2lRTHEurVodf5dW4kxuFbz0Le4qZ9KuxMw-9krylqYDRj2wjrUc4x0X5hiv6EO6NJD4k9736xy8A7QPbIPw1qli/s320/ASUS_Tuf_M3_10.jpg" width="320" /></a></div>U4716 - can't find nothing about it.<p></p><p>9VM - seems like 2V LDO.<br /></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgVw4AvTTX_r5DgBc6B37Of2NPdYzxzjZIP4LqPFAz9yN9VfA31g8XYa-JUm7UbMRQoeVGAhXE0TDl09THu3PyQGJIs3oPalES2hC4CUJxamxcL5WDtb01R4dh3Iw4xJA5XF2XQ79k9i9bv/s669/ASUS_Tuf_M3_11.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="437" data-original-width="669" height="209" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgVw4AvTTX_r5DgBc6B37Of2NPdYzxzjZIP4LqPFAz9yN9VfA31g8XYa-JUm7UbMRQoeVGAhXE0TDl09THu3PyQGJIs3oPalES2hC4CUJxamxcL5WDtb01R4dh3Iw4xJA5XF2XQ79k9i9bv/s320/ASUS_Tuf_M3_11.jpg" width="320" /></a></div>USB MCU: CY7C64356.<p></p><p>Mouse is currently not working, failing to enumerate over USB (VID 0, PID 0). No obvious problem - USB connection is fine, MCU is receiving power and I've resoldered it just in case I couldn't see some broken joint.<br /></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiCHcfR2o86l8P30vmqFpu5q4pwKNVZyEJQ3V-cREF-LjJ5V8jLH7TchroX7-ttEbwYf17QgH81WpcEDRGskVKAgWvMV2Yy9M4g6dHpbG_G9Iv1TqFXb2p6WqYJgShaize5aYERX5YoFRZJ/s557/ASUS_Tuf_M3_12.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="512" data-original-width="557" height="294" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiCHcfR2o86l8P30vmqFpu5q4pwKNVZyEJQ3V-cREF-LjJ5V8jLH7TchroX7-ttEbwYf17QgH81WpcEDRGskVKAgWvMV2Yy9M4g6dHpbG_G9Iv1TqFXb2p6WqYJgShaize5aYERX5YoFRZJ/s320/ASUS_Tuf_M3_12.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg2M5dJ70sSbciDeNtAZFON3Cx8gRRlN81x9fNTUHn2R5JrO562eaxEntwojuHkkXzCPZnL9wRx6UwM9xY2am07owheeDYjfF1qN9QUgYZ0pifTmIfzkcw9kp-GQ7SYf6TsBKuiOXqk9MfP/s568/ASUS_Tuf_M3_13.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="535" data-original-width="568" height="301" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg2M5dJ70sSbciDeNtAZFON3Cx8gRRlN81x9fNTUHn2R5JrO562eaxEntwojuHkkXzCPZnL9wRx6UwM9xY2am07owheeDYjfF1qN9QUgYZ0pifTmIfzkcw9kp-GQ7SYf6TsBKuiOXqk9MfP/s320/ASUS_Tuf_M3_13.jpg" width="320" /></a></div>Board marking: MG628U-D V10<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi2NqowmTPsu6iRgjTCRNyt9J_sz2lMyF-c6D26mT2yyVKVpOtKkMhEvHw5iM8SI0tWIwsvH43Q8XZJmrUsYFQwRXY3aSvP2Icicx_2pGMlQBBEAtii1KpQaMQ6z_xdkoa3r-VDMfvtR7h2/s526/ASUS_Tuf_M3_14.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="393" data-original-width="526" height="239" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi2NqowmTPsu6iRgjTCRNyt9J_sz2lMyF-c6D26mT2yyVKVpOtKkMhEvHw5iM8SI0tWIwsvH43Q8XZJmrUsYFQwRXY3aSvP2Icicx_2pGMlQBBEAtii1KpQaMQ6z_xdkoa3r-VDMfvtR7h2/s320/ASUS_Tuf_M3_14.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgDHVCWb5QgVHZ_AK18DsVKzD1W2u6O-Orf5rFvaPQ6my0CQ4bKqy8djM7CGNPKnCIVmTBQ6ggOwBUPAj1JKYUNZPC3plY6O_-ZmEoKwPUczEdfqs8OENjHEX0OeLcBG5D-hlGdGKBj7hHS/s567/ASUS_Tuf_M3_15.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="567" data-original-width="385" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgDHVCWb5QgVHZ_AK18DsVKzD1W2u6O-Orf5rFvaPQ6my0CQ4bKqy8djM7CGNPKnCIVmTBQ6ggOwBUPAj1JKYUNZPC3plY6O_-ZmEoKwPUczEdfqs8OENjHEX0OeLcBG5D-hlGdGKBj7hHS/s320/ASUS_Tuf_M3_15.jpg" width="217" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><br /></div><p></p>Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-4030197149523771443.post-2436947419077816082021-10-01T22:32:00.003+02:002021-10-02T12:32:34.386+02:00Swapping heater in WEP 858D hot air station<p>WEP 858D - cheap popular hot air station.</p><p>Bought 3 years ago for ~$30. Lightly used, mostly for desoldering and heatshrink tubes, perhaps total 10 hour of work. Heater silently (without sparks or anything like that) failed last week.<br /></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh8EIPjq-xEW69EI871D7ojxmrto48wxzgX7QFEVZuWxXnSip0A4dHto0WMSnkWVvPafBFDr-TBZJdPYkPbwOMe-sS23s1RJMnct-TqFa3WW8BFfSg_WN8ZKY_T5C8GCN3Ns1yHFxUSHs-s/s800/WEP858D_01.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="434" data-original-width="800" height="174" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh8EIPjq-xEW69EI871D7ojxmrto48wxzgX7QFEVZuWxXnSip0A4dHto0WMSnkWVvPafBFDr-TBZJdPYkPbwOMe-sS23s1RJMnct-TqFa3WW8BFfSg_WN8ZKY_T5C8GCN3Ns1yHFxUSHs-s/s320/WEP858D_01.jpg" width="320" /></a></div>Threaded sleeve at the front + two screws at the back.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgs3RRN82PuVRwWoS8eLI49F8SkIKRB2JK3Gcn6rqIGGedKXltm2hKr3cxZBBOXHlMwIhu8smVO6_Iivzs-RX1ri5xCVCx2EYxKCSTIOmAXjmXYMbN39ZURVgoqiWmQKB8X3mmsFC5Rplyp/s603/WEP858D_02.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="600" data-original-width="603" height="318" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgs3RRN82PuVRwWoS8eLI49F8SkIKRB2JK3Gcn6rqIGGedKXltm2hKr3cxZBBOXHlMwIhu8smVO6_Iivzs-RX1ri5xCVCx2EYxKCSTIOmAXjmXYMbN39ZURVgoqiWmQKB8X3mmsFC5Rplyp/s320/WEP858D_02.jpg" width="320" /></a></div>Wiring:<p></p><p></p><ul style="text-align: left;"><li>heater</li><li>thermocouple (inside heater element)</li><li>fan</li><li>miniature reed switch, working together with magnet in holder on base unit</li><li>ground</li></ul><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgahovQy_Oz13w4Cl-VgWiJhjVrxRKgbtqJKvpTakTHMdTB9YTC-g87ad-lXDmHYIHs3CElnSgKtsLmhxVjORy5AsJs9n3CkAWIyffmOL2oclLC8GUhXf76ImNsWZUhDxjdocrypmfHMJN7/s781/WEP858D_03.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="486" data-original-width="781" height="199" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgahovQy_Oz13w4Cl-VgWiJhjVrxRKgbtqJKvpTakTHMdTB9YTC-g87ad-lXDmHYIHs3CElnSgKtsLmhxVjORy5AsJs9n3CkAWIyffmOL2oclLC8GUhXf76ImNsWZUhDxjdocrypmfHMJN7/s320/WEP858D_03.jpg" width="320" /></a></div><p>Heater is insulated with glass-like (box on new one says this is actually mica) canvas.</p>Failed heating wire. As it was broken near the end I actually could try to save it by removing shorter part completely, though it might be difficult to connect this type of wire - low temperature soldering would definitely not be an option.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh9GuK70fKDOYZxf838ja1dooVZMIiF-zzOqyYZ7-ZriGgaEMRowWc3ZnpUceqHTSX0L341083SkYmkFE8PvOBdz68WdsKRq0GFuFYwrTh3rkJ28mDkTpclYq7-VVRZPVlgIt03UElIt7x2/s747/WEP858D_04.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="558" data-original-width="747" height="239" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh9GuK70fKDOYZxf838ja1dooVZMIiF-zzOqyYZ7-ZriGgaEMRowWc3ZnpUceqHTSX0L341083SkYmkFE8PvOBdz68WdsKRq0GFuFYwrTh3rkJ28mDkTpclYq7-VVRZPVlgIt03UElIt7x2/s320/WEP858D_04.jpg" width="320" /></a></div>Thermocouple at the working end of the heater.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEicKLvASaahRRcTCvqnLXktHaGLPnFU1az_wl787fXlEOz3LetkCtWupBUyjHu0HCRfm6G2hyphenhyphenxH6WuOHnC0CJewFLXgKVrEXW4d2wOUDAD-HpjwG3riYT7J0Qd99gVDNEuNQvwKdqlpP_K-/s504/WEP858D_05.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="436" data-original-width="504" height="277" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEicKLvASaahRRcTCvqnLXktHaGLPnFU1az_wl787fXlEOz3LetkCtWupBUyjHu0HCRfm6G2hyphenhyphenxH6WuOHnC0CJewFLXgKVrEXW4d2wOUDAD-HpjwG3riYT7J0Qd99gVDNEuNQvwKdqlpP_K-/s320/WEP858D_05.jpg" width="320" /></a></div>New heater costs ~$4 + shipping.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjacR0p-ddAZjb7dPlFK5PBZL-fNREAv51DD9JXS5hDZlBO5xdnUbaBA2Sm9f6ByH8tS92cZ4sCFJz_PDrFmoi4PZGmCsqXF3UC0rcwLD2LsXBq-VkfQ8jpfLXeNwBTYTvkkn5nkPc3TD_V/s748/WEP858D_06.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="237" data-original-width="748" height="101" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjacR0p-ddAZjb7dPlFK5PBZL-fNREAv51DD9JXS5hDZlBO5xdnUbaBA2Sm9f6ByH8tS92cZ4sCFJz_PDrFmoi4PZGmCsqXF3UC0rcwLD2LsXBq-VkfQ8jpfLXeNwBTYTvkkn5nkPc3TD_V/s320/WEP858D_06.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhqfC_ua4TXjokcQwNRLIBC8ddHIO02KI6egnLS2IV-s5-2S88rVng4JrATWmnrNfqoKE9RNQ07bLJdfb3RCChcKRPe_DWyu77wZYUZm2vBHCtQJKxFqKOv6S_AZq4yJPYfhyphenhyphengJ042MK7zg/s989/WEP858D_07.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="292" data-original-width="989" height="94" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhqfC_ua4TXjokcQwNRLIBC8ddHIO02KI6egnLS2IV-s5-2S88rVng4JrATWmnrNfqoKE9RNQ07bLJdfb3RCChcKRPe_DWyu77wZYUZm2vBHCtQJKxFqKOv6S_AZq4yJPYfhyphenhyphengJ042MK7zg/s320/WEP858D_07.jpg" width="320" /></a></div>Fun stuff: "Gift" label on the box itself. <br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh3G4mj9eJ_WqY-dRoOZf10KJoj6yNCbQgJOv0LLUogjsF91pg23XOgcMybb06EpF13zf2KFjlhqGFNdQ2EIiFdTztl6gN0iBmM466csjvro_TLAFOGUWV-8l4pdUGRDecvfB87xKbfeAS-/s1045/WEP858D_08.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="297" data-original-width="1045" height="91" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh3G4mj9eJ_WqY-dRoOZf10KJoj6yNCbQgJOv0LLUogjsF91pg23XOgcMybb06EpF13zf2KFjlhqGFNdQ2EIiFdTztl6gN0iBmM466csjvro_TLAFOGUWV-8l4pdUGRDecvfB87xKbfeAS-/s320/WEP858D_08.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjeD0SklQ0klShj_XHeklLo1b0q9eYt5i6jqOM9dInXBjoaShvtMlJZkqRWb1a4b6AJ3BnYSfAciW0GDN-6dbJaJRuNiiHkHxVKMEBpCrftR1nZQFoHGIl2jHF3wTZ8sKKSaaWZAFHvxEKt/s1017/WEP858D_09.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="306" data-original-width="1017" height="96" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjeD0SklQ0klShj_XHeklLo1b0q9eYt5i6jqOM9dInXBjoaShvtMlJZkqRWb1a4b6AJ3BnYSfAciW0GDN-6dbJaJRuNiiHkHxVKMEBpCrftR1nZQFoHGIl2jHF3wTZ8sKKSaaWZAFHvxEKt/s320/WEP858D_09.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiW-smKpnszZUN00kzbaXai6Px7_N-MvmLMPHTQxrQjUKM0KbFM7GAj11HeaNphcGbR1aIvCzWMJqKF8j728VVPYjcTH0Y6qcEtgGPlYKAft9oj4iGpOBs_kFZqPckqemK-Ql90n7QXgBYK/s753/WEP858D_10.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="437" data-original-width="753" height="186" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiW-smKpnszZUN00kzbaXai6Px7_N-MvmLMPHTQxrQjUKM0KbFM7GAj11HeaNphcGbR1aIvCzWMJqKF8j728VVPYjcTH0Y6qcEtgGPlYKAft9oj4iGpOBs_kFZqPckqemK-Ql90n7QXgBYK/s320/WEP858D_10.jpg" width="320" /></a></div>Don't forget to remove piece of transparent tape that is holding insulation together.<p></p><p>Watch out for thermocouple polarity.<br /></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjftk84e5QC89GRkDvMkzAKd0kZRxoVYcegCCE0xxeRZI-bmI2rDGKTL1VTK4bWImAvZKNBadwN2r6J0dQrBHOche4tQX4e2hU9VK4DV996bJIKgyUfMWjPhW-sIDHtziyNOh96sK21Siwb/s425/WEP858D_11.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="403" data-original-width="425" height="303" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjftk84e5QC89GRkDvMkzAKd0kZRxoVYcegCCE0xxeRZI-bmI2rDGKTL1VTK4bWImAvZKNBadwN2r6J0dQrBHOche4tQX4e2hU9VK4DV996bJIKgyUfMWjPhW-sIDHtziyNOh96sK21Siwb/s320/WEP858D_11.jpg" width="320" /></a></div>Bottom side of the PCB connecting wires.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg8aiS1JwN78uXavd8w10Jkn5dTJa0QYYauXzod7qrVoLFFFEQVHETKofkEa2wZzDAK7QHxeucfkRfapI_TjainJJQAn9tLB7QO2nvWRnql8cJCiyQIO4Wd6pibR-vh4CA5EFrmU6xHx-CH/s734/WEP858D_12.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="734" data-original-width="511" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg8aiS1JwN78uXavd8w10Jkn5dTJa0QYYauXzod7qrVoLFFFEQVHETKofkEa2wZzDAK7QHxeucfkRfapI_TjainJJQAn9tLB7QO2nvWRnql8cJCiyQIO4Wd6pibR-vh4CA5EFrmU6xHx-CH/s320/WEP858D_12.jpg" width="223" /></a></div>Heater resistance: 98 Ohm, matching original.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiTIPJ3HBAyfuuZuDjxnK_rMNJrxOJD1w2Up4rvhsUqTFOAySmfy_tF3n7M3PZMJTJDLXy84sHjZV_WHJx8GLU7cBDydGyZBifEwp0Qlt3Ty9s4D3i2zpjxtQVtQLXSMpIsqmyY0tbfKQo7/s738/WEP858D_13.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="572" data-original-width="738" height="248" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiTIPJ3HBAyfuuZuDjxnK_rMNJrxOJD1w2Up4rvhsUqTFOAySmfy_tF3n7M3PZMJTJDLXy84sHjZV_WHJx8GLU7cBDydGyZBifEwp0Qlt3Ty9s4D3i2zpjxtQVtQLXSMpIsqmyY0tbfKQo7/s320/WEP858D_13.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><br /></div><p></p>Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-4030197149523771443.post-91345486585870053602021-09-30T01:18:00.003+02:002021-09-30T18:54:20.073+02:00Trust GXT 105 Izza USB mouse<p></p><div class="separator" style="clear: both; text-align: left;">Cheap (prices starting from ~$8) fashionable USB gaming style mouse.</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjzAYxKJew-mp7wI4hQYMC_j0gshFivUlZHXOwnslUKwps063ePMdYShMRv0eZJsLFyiBBhtggXRssNN3SS6phLY0SkKt_5u_9R2zIt5RB-3Dxt91_JSxAn_Po01fZtHnwaW-YL2-Yhhjxh/s592/trust_izza_01.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="592" data-original-width="457" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjzAYxKJew-mp7wI4hQYMC_j0gshFivUlZHXOwnslUKwps063ePMdYShMRv0eZJsLFyiBBhtggXRssNN3SS6phLY0SkKt_5u_9R2zIt5RB-3Dxt91_JSxAn_Po01fZtHnwaW-YL2-Yhhjxh/s320/trust_izza_01.jpg" width="247" /></a></div>Switchable 800-2400 dpi, though it seems like wider range when tested.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj8ahiYvZb9oQIL8FCQO1RaS1j8Sn1_gQMXO0ZoUhOfcyBQz4efOvcX4-hQh0vuOE3pYaWRigp9eSPrcQPe26-txcbunAT9quKs6xKWcrjVVXSoHHpg7SuJCwXWvhxzFgVFJAY3wHEaiNFp/s581/trust_izza_02.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="581" data-original-width="480" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj8ahiYvZb9oQIL8FCQO1RaS1j8Sn1_gQMXO0ZoUhOfcyBQz4efOvcX4-hQh0vuOE3pYaWRigp9eSPrcQPe26-txcbunAT9quKs6xKWcrjVVXSoHHpg7SuJCwXWvhxzFgVFJAY3wHEaiNFp/s320/trust_izza_02.jpg" width="264" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjX5aWTuy3cJuG48x8YUGTrm8IjXNARWRmJWZsTIg7u_LrQrAMEd1HB9ikAn0Qc8sPx3avceK4Y2P5Q53OHoyF-c9zR48yzOvLrcyJXyxNc4zxYhpTMZYCQ0dwKdluEmTLxme3VQ7aijdJk/s253/trust_izza_03.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="201" data-original-width="253" height="201" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjX5aWTuy3cJuG48x8YUGTrm8IjXNARWRmJWZsTIg7u_LrQrAMEd1HB9ikAn0Qc8sPx3avceK4Y2P5Q53OHoyF-c9zR48yzOvLrcyJXyxNc4zxYhpTMZYCQ0dwKdluEmTLxme3VQ7aijdJk/s0/trust_izza_03.jpg" width="253" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg3D98tH2xqjye7Ylfe_oE809Qs_g1lkxgdN1B8FUP66tCOgAxCdQ-H4a9mXzq9yb8ZfsQhv3se6_SHwrHTDvw3SdgQT6FUEbHWd_qhau-EbrONm4yyreyr-8ogDKbxwnfKZISA-2ZfDgwc/s619/trust_izza_04.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="486" data-original-width="619" height="251" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg3D98tH2xqjye7Ylfe_oE809Qs_g1lkxgdN1B8FUP66tCOgAxCdQ-H4a9mXzq9yb8ZfsQhv3se6_SHwrHTDvw3SdgQT6FUEbHWd_qhau-EbrONm4yyreyr-8ogDKbxwnfKZISA-2ZfDgwc/s320/trust_izza_04.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj2IMcJmqQE5yET351HqBtQSsseAndP2yKbUTiTKxZTCk8hHGNi_nms2mHFrqoEaeHmWx5vznRTt3mNH1_813_M_S-G-Mn9qR2tcGqwbo-_mqxkD8fv08AQItXBcaEWJoCexLnxXjMB2uJK/s591/trust_izza_05.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="591" data-original-width="398" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj2IMcJmqQE5yET351HqBtQSsseAndP2yKbUTiTKxZTCk8hHGNi_nms2mHFrqoEaeHmWx5vznRTt3mNH1_813_M_S-G-Mn9qR2tcGqwbo-_mqxkD8fv08AQItXBcaEWJoCexLnxXjMB2uJK/s320/trust_izza_05.jpg" width="215" /></a></div>Not quite matching picture on the box and some other pictures I've found on the Internet - side panels mounted with screws and style of these side panels is different. They are purely for decoration and I would not recommend as plastic underneath would not survive repeated reassembling - some glue might be needed then.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjiU7VoqkNhDGDi-AhR6Z6UOv-t1prxwj3YHyS6IKMCfLJY7wlmGY-PAu8uNERHmG3dNJD72q3SW19U0ZU7knNmfG5dyZK_lhwEi8A1IDsC0qOlBbIrZ3Jpnq9_wSL1-RIdouNOc5OEpG9t/s564/trust_izza_06.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="424" data-original-width="564" height="241" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjiU7VoqkNhDGDi-AhR6Z6UOv-t1prxwj3YHyS6IKMCfLJY7wlmGY-PAu8uNERHmG3dNJD72q3SW19U0ZU7knNmfG5dyZK_lhwEi8A1IDsC0qOlBbIrZ3Jpnq9_wSL1-RIdouNOc5OEpG9t/s320/trust_izza_06.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgHlsaNS6i5f3tUbItuvSaEvz-rF-X6mv73uHpkDi6FW1qW5MsVsuk9yPr0ezm2xeUdTbQK2t-K0LD4hhSuqqv-pO-WqT16uwKsaLMPaYg0WCOGdgMnMhax7IRKZOkgbbDGp-l8ZXwSZSea/s506/trust_izza_07.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="383" data-original-width="506" height="242" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgHlsaNS6i5f3tUbItuvSaEvz-rF-X6mv73uHpkDi6FW1qW5MsVsuk9yPr0ezm2xeUdTbQK2t-K0LD4hhSuqqv-pO-WqT16uwKsaLMPaYg0WCOGdgMnMhax7IRKZOkgbbDGp-l8ZXwSZSea/s320/trust_izza_07.jpg" width="320" /></a></div>As there are some holes under big sticker on the bottom side (see cross cut below) I though at first this is where screws are hidden, but they are under feet.<p></p><p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj5OTuOJLDuIzlQcW7GU-9oTFkzgl9JjL-lLAmbUXtR8ca4YBNFY6JuvcyNcT0qbjNHrrubu70LWVmHmOVRUW3eG1qbNDR46fvYVt3ABMH6OFrjQ2tQnfthVL3OtTVJnl2aOj2r8vFx6BOH/s458/trust_izza_08.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="382" data-original-width="458" height="267" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj5OTuOJLDuIzlQcW7GU-9oTFkzgl9JjL-lLAmbUXtR8ca4YBNFY6JuvcyNcT0qbjNHrrubu70LWVmHmOVRUW3eG1qbNDR46fvYVt3ABMH6OFrjQ2tQnfthVL3OtTVJnl2aOj2r8vFx6BOH/s320/trust_izza_08.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiZwJTpYYezAVCMBxQJ1LZaCvLG8dzIQZQLQvWKkWqGpkCOkkQ_qB_rgO2hdemNObV2kMyMuxi1B0Utu2yQ3QbXMEXfvvTNMTWWq7ERJ-jRS3pUIs9J3Gm8r3xX6CPjXWFVzcDdHjjKylr-/s386/trust_izza_09.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="366" data-original-width="386" height="303" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiZwJTpYYezAVCMBxQJ1LZaCvLG8dzIQZQLQvWKkWqGpkCOkkQ_qB_rgO2hdemNObV2kMyMuxi1B0Utu2yQ3QbXMEXfvvTNMTWWq7ERJ-jRS3pUIs9J3Gm8r3xX6CPjXWFVzcDdHjjKylr-/s320/trust_izza_09.jpg" width="320" /></a></div>Fortunately mouse is easy to disassemble after removing these four screws at the bottom.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh06cDcHhh4BaRO_s2Eb-udoxa9M5eS6i7nhAFxAJtzD-1L-HxDTXECdi2IpbrWcfMD8Bx9mH1e9aecra5VGjlih4lYbYYgc-0JsZ1dRRPapoybidY_otHHFc4qCmEoge-djGQHU1DkngdJ/s683/trust_izza_10.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="566" data-original-width="683" height="265" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh06cDcHhh4BaRO_s2Eb-udoxa9M5eS6i7nhAFxAJtzD-1L-HxDTXECdi2IpbrWcfMD8Bx9mH1e9aecra5VGjlih4lYbYYgc-0JsZ1dRRPapoybidY_otHHFc4qCmEoge-djGQHU1DkngdJ/s320/trust_izza_10.jpg" width="320" /></a></div>Single all-in-one chip: SPCP180-126.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgr66vXvHd_mViEzE51YQTu5PK_7wE1RMNvZVdnaCyxgm5y076yoYXziyqX2ljWwvtBVe9N4xQ_6mxRzkIPuoxZBpPnhMcAzhlm_JH-W3R6rjg17LxVyZX9hyphenhyphenLZ6JKMBXMghZE5x1kAnbDf/s800/trust_izza_11.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="600" data-original-width="800" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgr66vXvHd_mViEzE51YQTu5PK_7wE1RMNvZVdnaCyxgm5y076yoYXziyqX2ljWwvtBVe9N4xQ_6mxRzkIPuoxZBpPnhMcAzhlm_JH-W3R6rjg17LxVyZX9hyphenhyphenLZ6JKMBXMghZE5x1kAnbDf/s320/trust_izza_11.jpg" width="320" /></a></div>PCB marking: TY_V300_SPCP186 20180906.<p></p><p>Piece of steel adding weight.<br /></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh-1qExGCg3x9oVCvmKO5xHlVp88d86AeI-9cdxvbkmqBRJA6Ov0gRHUPdXE6asoQmi5EgJo8qY8fyuaHwXo1hQw0mRtUuT-9fHRgENvb76I0iMcpdGbowLDusM3JDw92vCtkMd6ZdUtzBb/s758/trust_izza_12.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="403" data-original-width="758" height="170" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh-1qExGCg3x9oVCvmKO5xHlVp88d86AeI-9cdxvbkmqBRJA6Ov0gRHUPdXE6asoQmi5EgJo8qY8fyuaHwXo1hQw0mRtUuT-9fHRgENvb76I0iMcpdGbowLDusM3JDw92vCtkMd6ZdUtzBb/s320/trust_izza_12.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjlU0yO4_-BsXYPUxJhBKkIO-cDHq-C_P6zvGX_-8olI1GVtFI94IlzV3_la3uLXLHnESxbcmo_G8u8fDVANGZ_GEt77t1oOhEbwVLeVn8vDDb5TgUuRgQQmGf26y73KfVrLqJdPBnCBi7R/s528/trust_izza_13.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="396" data-original-width="528" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjlU0yO4_-BsXYPUxJhBKkIO-cDHq-C_P6zvGX_-8olI1GVtFI94IlzV3_la3uLXLHnESxbcmo_G8u8fDVANGZ_GEt77t1oOhEbwVLeVn8vDDb5TgUuRgQQmGf26y73KfVrLqJdPBnCBi7R/s320/trust_izza_13.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgOyXDPzhuI_s4s7IgZOq8uPEebxqvM0H0raZEEl31AAVbMkEDphu881j9Jdn6YoMit6YShpnl6NCg2JXd6DlNMmLccO6iBWxb6vGIeZPn7xwdB2fAaHemLEL2SlFSfCpD4_eZM1EkNvJVa/s427/trust_izza_14.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="245" data-original-width="427" height="184" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgOyXDPzhuI_s4s7IgZOq8uPEebxqvM0H0raZEEl31AAVbMkEDphu881j9Jdn6YoMit6YShpnl6NCg2JXd6DlNMmLccO6iBWxb6vGIeZPn7xwdB2fAaHemLEL2SlFSfCpD4_eZM1EkNvJVa/s320/trust_izza_14.jpg" width="320" /></a></div>I do not recognize brands of these switches.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiNSktkgdbPaVIuZ4ocnClADWX5Ebzle2PzIPpm-XhFv3J2TsMtfta7KrCPhQ4WCsIdVNooknsZgtogCswTlIjI9TVXF7FvZqm000YMFdm2j4eMWvuyIEkzCw5nmVLvFB1DVcsJnhdJuaCN/s626/trust_izza_15.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="310" data-original-width="626" height="158" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiNSktkgdbPaVIuZ4ocnClADWX5Ebzle2PzIPpm-XhFv3J2TsMtfta7KrCPhQ4WCsIdVNooknsZgtogCswTlIjI9TVXF7FvZqm000YMFdm2j4eMWvuyIEkzCw5nmVLvFB1DVcsJnhdJuaCN/s320/trust_izza_15.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjfIyBjW9DsOr9MFhXn7AfJSf6fOTpKiecihXtq7PFg7prBODdHFj4Q1jQtotHzxZ4wDbzE091tkn9REGGsMI7e-2drwsrwJyYwNQiMOxpBTl4P_2BeK9Ns6-JFNhzASsE8sfOr-Wcqc90A/s756/trust_izza_16.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="455" data-original-width="756" height="193" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjfIyBjW9DsOr9MFhXn7AfJSf6fOTpKiecihXtq7PFg7prBODdHFj4Q1jQtotHzxZ4wDbzE091tkn9REGGsMI7e-2drwsrwJyYwNQiMOxpBTl4P_2BeK9Ns6-JFNhzASsE8sfOr-Wcqc90A/s320/trust_izza_16.jpg" width="320" /></a></div>There is some space for extra switch under DPI +/- button and there are also two pegs sticking from top part of the shell. Perhaps there was some variant using it.<p></p><p>Mouse was completely dead when I've received it, it was probably product returned to Amazon. Surprisingly this was easiest fix ever - USB cable plug was not attached properly.<br /></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhQ_VVDdK1MWUqNfqu24_ewF0JR2CLV28ubTpluOH10M_hFycdhSSUyjrN4X7MbbDwS4zZTze3VCGddeL4FFv6UZ4UwcnEvLxcZEaWeTxYsm0H7COBQ8cUFFcY8Wdvqy25SExFnCxazXzUb/s797/trust_izza_17.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="501" data-original-width="797" height="201" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhQ_VVDdK1MWUqNfqu24_ewF0JR2CLV28ubTpluOH10M_hFycdhSSUyjrN4X7MbbDwS4zZTze3VCGddeL4FFv6UZ4UwcnEvLxcZEaWeTxYsm0H7COBQ8cUFFcY8Wdvqy25SExFnCxazXzUb/s320/trust_izza_17.jpg" width="320" /></a></div>H13 scroll encoder.<div>Three RGB LEDs seem to be some kind of "smart" 2-pin diodes, perhaps pulse controlled: https://www.youtube.com/watch?v=gxdgRHmOuIo<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjMVUkphmKqOpf5yqyls2Yls3MFVEGQNMw6LjVHMysJMEKbbhJTe_t50d0BMNrbd2TC7T274C7qEdbL-IGaKlSGIm-sNnUYb2V9DKwWRzZ924jUzsHDIhJePUnkehcMSPViaGv3-gacT6AJ/s684/trust_izza_18.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="391" data-original-width="684" height="183" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjMVUkphmKqOpf5yqyls2Yls3MFVEGQNMw6LjVHMysJMEKbbhJTe_t50d0BMNrbd2TC7T274C7qEdbL-IGaKlSGIm-sNnUYb2V9DKwWRzZ924jUzsHDIhJePUnkehcMSPViaGv3-gacT6AJ/s320/trust_izza_18.jpg" width="320" /></a></div>Special switch for mouse wheel.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgg7Fy2mmitsqRmOfwI6Bi8Ivel4nCn7TV43Uy4XZ2LGUnE0vPebPpqNAq3Ov9YVrSotb_4h_RerBLq05Eh2JgieFR3k66RevVH1nbkwYx1SiAWCeWSTCwhB8fhh4xfuirkhUqQnSXeYD1K/s567/trust_izza_19.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="419" data-original-width="567" height="236" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgg7Fy2mmitsqRmOfwI6Bi8Ivel4nCn7TV43Uy4XZ2LGUnE0vPebPpqNAq3Ov9YVrSotb_4h_RerBLq05Eh2JgieFR3k66RevVH1nbkwYx1SiAWCeWSTCwhB8fhh4xfuirkhUqQnSXeYD1K/s320/trust_izza_19.jpg" width="320" /></a></div>Other minor issue: scroll wheel was slightly blocked by pieces of cable insulation (I've cut it off).<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgGaQptMvABib_z7TiFmR_x_ZLqF3XFRlC3q9CR1euhd4BnHSkxizOUJVXiZXusMQqxK6Ota4_z7lEFawiIWGzq1pzxW90DOfNOM8vPGVdXR28z6rRWEQwxckW2-x_-OFkybw6FFUJSxTj6/s474/trust_izza_20.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="336" data-original-width="474" height="227" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgGaQptMvABib_z7TiFmR_x_ZLqF3XFRlC3q9CR1euhd4BnHSkxizOUJVXiZXusMQqxK6Ota4_z7lEFawiIWGzq1pzxW90DOfNOM8vPGVdXR28z6rRWEQwxckW2-x_-OFkybw6FFUJSxTj6/s320/trust_izza_20.jpg" width="320" /></a></div><div><br /></div>Mechanically this mouse seems similar to <a href="https://mysku.ru/blog/aliexpress/67695.html">https://mysku.ru/blog/aliexpress/67695.html</a> - same scroll wheel, similar top shell made from two kinds of plastic.<br /> <p></p></div>Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-4030197149523771443.post-55278734048318253782021-09-29T20:52:00.005+02:002021-09-30T18:51:56.810+02:00Inphic P-M1 wireless mouse<p> Cheap wireless mouse.</p><div class="separator" style="clear: both; text-align: center;"><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEidRHgRQInpvxnU6utDoZ6BX5Dpgm2V03jH7F4z0A8kNeHxIDUNvGW4GU9i7QUVGrQ0r8sYXX1oUMdxdShg4TQfNeYIMIyCmLBY8T1A8umO1RDSMtHznPDBAh-kKOOlgAh_R02Odv9N9r8L/s1089/inphic_01.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="893" data-original-width="1089" height="262" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEidRHgRQInpvxnU6utDoZ6BX5Dpgm2V03jH7F4z0A8kNeHxIDUNvGW4GU9i7QUVGrQ0r8sYXX1oUMdxdShg4TQfNeYIMIyCmLBY8T1A8umO1RDSMtHznPDBAh-kKOOlgAh_R02Odv9N9r8L/s320/inphic_01.jpg" width="320" /></a></div><div style="text-align: left;">Built-in rechargeable cell (14500, 500 mAh nominal), noiseless, wireless. Charged with micro USB cable, small USB radio receiver is included.</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgeyWW4yGYpk03ftoObvYHyrlyKKchMYaD3mFjkmQGqX6SIvSvDHJSJB8YgyL1AhwC3VAsK6QQv-KM9Fh2PCP1MylS-3VZLs0fD9ru10LQcecxRpRLUpAQD01B9Cn_t2H0IWacD7261_KW8/s571/inphic_02.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="571" data-original-width="540" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgeyWW4yGYpk03ftoObvYHyrlyKKchMYaD3mFjkmQGqX6SIvSvDHJSJB8YgyL1AhwC3VAsK6QQv-KM9Fh2PCP1MylS-3VZLs0fD9ru10LQcecxRpRLUpAQD01B9Cn_t2H0IWacD7261_KW8/s320/inphic_02.jpg" width="303" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiywVKCvlktz7CquVJ55u_TheDWKBCmw72TnKfh-eAV-1ym6XqkK6ONekikjsP2AY0tz35L3ZS8238KlLoEd1_5120xEo7iIZqMOVMrtO5f1ZV5XMBI8JAUuO5LR3Tz_4lQDtElVIHevb-6/s1056/inphic_03.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="892" data-original-width="1056" height="270" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiywVKCvlktz7CquVJ55u_TheDWKBCmw72TnKfh-eAV-1ym6XqkK6ONekikjsP2AY0tz35L3ZS8238KlLoEd1_5120xEo7iIZqMOVMrtO5f1ZV5XMBI8JAUuO5LR3Tz_4lQDtElVIHevb-6/s320/inphic_03.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiVOWJhKWxW7XoWhWcOEpf2BTmQzj2p6Asd5p9KmUetcDEjxrKcyh_LK6YkKwdOkdVSrAdY0uP_CYdbO0yw8vCp-F9tq8hg655fdZhHDK1iwvsjVJHeBcSSfkhbQgo_ZEI1MXg0Z7fUmtcy/s935/inphic_04.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="935" data-original-width="693" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiVOWJhKWxW7XoWhWcOEpf2BTmQzj2p6Asd5p9KmUetcDEjxrKcyh_LK6YkKwdOkdVSrAdY0uP_CYdbO0yw8vCp-F9tq8hg655fdZhHDK1iwvsjVJHeBcSSfkhbQgo_ZEI1MXg0Z7fUmtcy/s320/inphic_04.jpg" width="237" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEialeAGC55WA8n4Egsd9eXO8kpuT_n5kmF32wkl9b3tIbMU8kYNaHfRt5r3qCft6cfCkj6K-J1-KR7IHefHz_V-XCZ0W9SSj0YylGd3PltRxKZzwL4uo2gofRmKM4wHdcmVvaVph1tjQOU0/s713/inphic_05.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="713" data-original-width="674" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEialeAGC55WA8n4Egsd9eXO8kpuT_n5kmF32wkl9b3tIbMU8kYNaHfRt5r3qCft6cfCkj6K-J1-KR7IHefHz_V-XCZ0W9SSj0YylGd3PltRxKZzwL4uo2gofRmKM4wHdcmVvaVph1tjQOU0/s320/inphic_05.jpg" width="302" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgl_0UipIZ0-PK9DyYOSGQ_Hp1sy8oyFNvuCcZzljh5VOAxF2XCc_Q88unTOCVK9SopMoiz4E6gWQ822hGbsi2WGBHmSlO-UTIO8FP1ZcpJlzvBsSbTaTFC3OgKC2K2uXpqemCMNJjGl3iR/s651/inphic_06.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="346" data-original-width="651" height="170" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgl_0UipIZ0-PK9DyYOSGQ_Hp1sy8oyFNvuCcZzljh5VOAxF2XCc_Q88unTOCVK9SopMoiz4E6gWQ822hGbsi2WGBHmSlO-UTIO8FP1ZcpJlzvBsSbTaTFC3OgKC2K2uXpqemCMNJjGl3iR/s320/inphic_06.jpg" width="320" /></a></div><div style="text-align: left;">Optical sensor: KA8. Poorly documented, but apparently identical to PAW3204DB and even better documented MX8650.</div><div style="text-align: left;">LED is emitting infrared.</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj3LOS8zMYJ0irav1C2WDnITVtljYhbnYG-YNt36vpzeIMnt_O-E6Noz3ExWKHvIONCx4ud8jq3atYG4j9tWYk3Tad34P0CWt-Z0KNS4semhrTN4EFOscCWw7Vga5xyi1MRlEM_22QgTOu7/s745/inphic_07.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="456" data-original-width="745" height="196" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj3LOS8zMYJ0irav1C2WDnITVtljYhbnYG-YNt36vpzeIMnt_O-E6Noz3ExWKHvIONCx4ud8jq3atYG4j9tWYk3Tad34P0CWt-Z0KNS4semhrTN4EFOscCWw7Vga5xyi1MRlEM_22QgTOu7/s320/inphic_07.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEivlbRwYwpvxpYQxIY6BQIn_4W7sBDaFl8155NrI1uvPru92TitWNCdh6TWZSvWnICCHG-2vatKJjhYhXI-sj5nq3byYxWL1bsLOJ9EmWy3BPd6KaMuwY_UXJi32j6jCg6dzDFdwwvr6yxP/s788/inphic_08.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="389" data-original-width="788" height="158" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEivlbRwYwpvxpYQxIY6BQIn_4W7sBDaFl8155NrI1uvPru92TitWNCdh6TWZSvWnICCHG-2vatKJjhYhXI-sj5nq3byYxWL1bsLOJ9EmWy3BPd6KaMuwY_UXJi32j6jCg6dzDFdwwvr6yxP/s320/inphic_08.jpg" width="320" /></a></div><div style="text-align: left;">BYKC68MS - not a lot info on this, but this seems to be somehow popular in this type of peripherals.<div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEghuR0eLLxBcSmP5MTuKrykhea3E27DaF1ythF06u2-J-9ePiV4apkbpqumcGFdTAD1I0AdDPq2U5aIC1insI9nm3CXgMfjtuvzX8rjmpS8-JyIXi3zojwa27rKVuO-pymQL7GC2lyFhi0u/s513/inphic_09.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="417" data-original-width="513" height="260" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEghuR0eLLxBcSmP5MTuKrykhea3E27DaF1ythF06u2-J-9ePiV4apkbpqumcGFdTAD1I0AdDPq2U5aIC1insI9nm3CXgMfjtuvzX8rjmpS8-JyIXi3zojwa27rKVuO-pymQL7GC2lyFhi0u/s320/inphic_09.jpg" width="320" /></a></div></div><div style="text-align: left;">PCB: BYKC_M1-VER1.1</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEinVIBCdO5vSaEZ8DcQQOGM6fbPGKyBfKTtFfCibZ68Hsk25GmkbLwFWzlzDuAeyHeqfW6A3Xstsv9ZWfECQg6RuDFnG-JSMD18M5D-2-TE-UaWHwOy7eILKmCbdACw__-phhAg1tg7Dow5/s564/inphic_10.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="488" data-original-width="564" height="277" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEinVIBCdO5vSaEZ8DcQQOGM6fbPGKyBfKTtFfCibZ68Hsk25GmkbLwFWzlzDuAeyHeqfW6A3Xstsv9ZWfECQg6RuDFnG-JSMD18M5D-2-TE-UaWHwOy7eILKmCbdACw__-phhAg1tg7Dow5/s320/inphic_10.jpg" width="320" /></a></div><div style="text-align: left;">Two main microswitches (left and right) are unusual and almost noiseless.</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhYoc66fru2W3z9Zkva5Jc4bxI-ltMivrLNr-Zx3wCNkWX8GZeiVvABqvJOzlmaMx8Ert3qAtTP16cxa5CKleROyc0zRpMziEF5caC4zQ_flhhQRv0J0Taq0APSgJNBQIMes6Dxp-5NMkls/s537/inphic_11.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="480" data-original-width="537" height="286" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhYoc66fru2W3z9Zkva5Jc4bxI-ltMivrLNr-Zx3wCNkWX8GZeiVvABqvJOzlmaMx8Ert3qAtTP16cxa5CKleROyc0zRpMziEF5caC4zQ_flhhQRv0J0Taq0APSgJNBQIMes6Dxp-5NMkls/s320/inphic_11.jpg" width="320" /></a></div><div style="text-align: left;">Currently not working - I see almost no activity except for periodic pulses on one of the crystal legs and maybe something when powering on, otherwise sensor data lines are idle. Swapping crystal and adding 30 pF capacitors to it did not help.</div><div style="text-align: left;"><br /></div><div style="text-align: left;">Other mouse with very similar circuit and even similar, quiet mouse button switches, T-WOLF Q13: <a href="https://mysku.ru/blog/aliexpress/67695.html">https://mysku.ru/blog/aliexpress/67695.html</a>.</div><div class="separator" style="clear: both; text-align: center;"><br /></div></div><p></p>Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-4030197149523771443.post-85113116411072683332021-09-26T15:24:00.007+02:002021-10-16T12:22:59.712+02:00Grundig KSC 35 radio clock - teardown and repair<p></p><div class="separator" style="clear: both; text-align: left;">Small radio with clock and alarm, quite typical in form and functionality.</div><div class="separator" style="clear: both; text-align: left;">FM PLL tuner. All functions controlled through pushbuttons.</div><div class="separator" style="clear: both; text-align: left;">10 station presets, 16 volume levels (including 0/mute).</div><div class="separator" style="clear: both; text-align: left;">Retail price: somewhere between $15-$20.</div><div class="separator" style="clear: both; text-align: left;">No signs of life when received and as it weights literally nothing I though at first that this was just an empty shell.</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhnfp9oJmivWu-DdzTXI4MOcuGAf6VUt0mcfVcCOC-RLr7VOXFvE1NbEU4W4b2aOJfwPdlFqgLgsmMC-f-q_c6JCvWD4DDol0VGaUufC3K0tEHZK9SYptOtnN5Qe7fHB3JqYbu9s-JKxtZt/s908/Grundig_KSC35_01.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="513" data-original-width="908" height="181" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhnfp9oJmivWu-DdzTXI4MOcuGAf6VUt0mcfVcCOC-RLr7VOXFvE1NbEU4W4b2aOJfwPdlFqgLgsmMC-f-q_c6JCvWD4DDol0VGaUufC3K0tEHZK9SYptOtnN5Qe7fHB3JqYbu9s-JKxtZt/s320/Grundig_KSC35_01.jpg" width="320" /></a></div> External switch mode power supply, 5V/0.55A.<div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgF93mqSFTmePD5J1cWdy5bBxQKHB9L4CT8tspNI1i8DoLTb3hDoksQqv1TBfATw6E2oT7bqdQp5PWRxvWJGYIW0RVdehGAWYoB3Q7i1LaaJFvsSwmg8wkPBNtcAO-eK-G6CfUBJAJUULVq/s570/Grundig_KSC35_02.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="484" data-original-width="570" height="272" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgF93mqSFTmePD5J1cWdy5bBxQKHB9L4CT8tspNI1i8DoLTb3hDoksQqv1TBfATw6E2oT7bqdQp5PWRxvWJGYIW0RVdehGAWYoB3Q7i1LaaJFvsSwmg8wkPBNtcAO-eK-G6CfUBJAJUULVq/s320/Grundig_KSC35_02.jpg" width="320" /></a></div>2 AAA cells for clock and station memory backup. Measured current consumption: 10 uA with some hard to measure spikes every second. This is quite reasonable and allows leaving cells inside even if radio is unplugged for a long time (some older radio clocks consuming few mAs from 6F22 battery might actually deplete it in one day when unpowered).<p></p><p>Quite easy to open - four screws at the bottom (two hidden under rubber feet) and few small latches. Easy to open without leaving any marks.<br /></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhA-Jxm6jS8hb-73nPZgY4GyjtB_rIs-Jl8uwaS9Pqphmz3eb9DmWj0tYRHoUY46Yc9Ya4ydhHo4xwD3DWSvTcAzmr6WU26hKHxsGW6WgjMNwbePTqWvXHxF72DHyScEF1n3LZaMYjKT4Hg/s1342/Grundig_KSC35_03.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="981" data-original-width="1342" height="234" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhA-Jxm6jS8hb-73nPZgY4GyjtB_rIs-Jl8uwaS9Pqphmz3eb9DmWj0tYRHoUY46Yc9Ya4ydhHo4xwD3DWSvTcAzmr6WU26hKHxsGW6WgjMNwbePTqWvXHxF72DHyScEF1n3LZaMYjKT4Hg/s320/Grundig_KSC35_03.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjIe6VfViugh280kfkxKSH7uUuwOJowqWsX5tUqlMbb4vAMpZ64gM6Gp2YLei_tLkd1LuatWLFwP_F23oprjtlbioepwLCo1O-k4xJ-1fv3uf9TtFfZ8fkbOzzXng_CxkDuHRLE1SXdeylw/s611/Grundig_KSC35_04.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="398" data-original-width="611" height="208" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjIe6VfViugh280kfkxKSH7uUuwOJowqWsX5tUqlMbb4vAMpZ64gM6Gp2YLei_tLkd1LuatWLFwP_F23oprjtlbioepwLCo1O-k4xJ-1fv3uf9TtFfZ8fkbOzzXng_CxkDuHRLE1SXdeylw/s320/Grundig_KSC35_04.jpg" width="320" /></a></div><div class="separator" style="clear: both; text-align: left;">7-segment LED display - 4 digits and few extra LEDs to signal alarm state. This is also main board of the device.</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgSotMjfjQhsgjXKEcP3Bn3RQX49AzcTT3WnvX_LekNvqc0Vk7UAO8KNp1EAxMsQzexf_xL6-osY7YUEFBIXisUITBQSCtqjsIze7czQuz4GUXoQIbJvB9jjFgwodagLPWzbWJHZ-dLQb0s/s920/Grundig_KSC35_05.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="563" data-original-width="920" height="196" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgSotMjfjQhsgjXKEcP3Bn3RQX49AzcTT3WnvX_LekNvqc0Vk7UAO8KNp1EAxMsQzexf_xL6-osY7YUEFBIXisUITBQSCtqjsIze7czQuz4GUXoQIbJvB9jjFgwodagLPWzbWJHZ-dLQb0s/s320/Grundig_KSC35_05.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh9CDOtTSwT-0wOrZyIvjRt38vWBTzC82kM157d8E7bD_5vD3jbBx8vYWtMcdC3rPKhu8ZUzcnGBQJacESr0X07ZSgeyQtk8cMytNU822My9-sluNYsqbfY3EmWoI3c22g7hPpOPhVnkrfN/s927/Grundig_KSC35_06.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="434" data-original-width="927" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh9CDOtTSwT-0wOrZyIvjRt38vWBTzC82kM157d8E7bD_5vD3jbBx8vYWtMcdC3rPKhu8ZUzcnGBQJacESr0X07ZSgeyQtk8cMytNU822My9-sluNYsqbfY3EmWoI3c22g7hPpOPhVnkrfN/s320/Grundig_KSC35_06.jpg" width="320" /></a></div>Reason of failure: buttons board broken in half. Given factory-new device state I would assume that this was transport accident.<div>Extra screw holes might be a sign that same shell was also used or intended to be used with different electronics, maybe leaving less empty space inside.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhTu_yo1CTT4VtbfOeDwgCkRRMfW1PMRVSQ3WbqjrxhQ3xchiHPVVNDqGFSTtFlZRLqRkDE5toGKJqD3813lImi4YRUILVJcP1oUN2gvfZwkRpBlAo-UO8oGvgsHwy7ud8dVxVmmQmNCill/s926/Grundig_KSC35_07.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="676" data-original-width="926" height="234" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhTu_yo1CTT4VtbfOeDwgCkRRMfW1PMRVSQ3WbqjrxhQ3xchiHPVVNDqGFSTtFlZRLqRkDE5toGKJqD3813lImi4YRUILVJcP1oUN2gvfZwkRpBlAo-UO8oGvgsHwy7ud8dVxVmmQmNCill/s320/Grundig_KSC35_07.jpg" width="320" /></a></div>Radio chip: 1580H - cannot find documentation.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj_98nZTM3wAknCpMWIclPqhwPrO5770RaVRdM-fqpjJbaCf7o00Hggu66nsTJQj1EID6AvtipjCgwPrH9T7yLkZOQntyN8JnmYkxOHmiY92piVqK_kP-vW8KqG1QowyUWJ0g0XanAFUGiq/s921/Grundig_KSC35_08.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="528" data-original-width="921" height="183" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj_98nZTM3wAknCpMWIclPqhwPrO5770RaVRdM-fqpjJbaCf7o00Hggu66nsTJQj1EID6AvtipjCgwPrH9T7yLkZOQntyN8JnmYkxOHmiY92piVqK_kP-vW8KqG1QowyUWJ0g0XanAFUGiq/s320/Grundig_KSC35_08.jpg" width="320" /></a></div>Clock/control - unknown blob.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEglIo1mOWm6IJ3ACQgU4oJYi0P95D0d9kXOAg0mhbrrQqACy20Nm3l9zigzVGJx1hoopmf3Cvafum9MYJD_X6rMaTLYqHh6Ib9BBYbiBwp0UZuiMxiArMdgzJ-eIknDqOb4F4c3J4jzG7FD/s926/Grundig_KSC35_09.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="474" data-original-width="926" height="164" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEglIo1mOWm6IJ3ACQgU4oJYi0P95D0d9kXOAg0mhbrrQqACy20Nm3l9zigzVGJx1hoopmf3Cvafum9MYJD_X6rMaTLYqHh6Ib9BBYbiBwp0UZuiMxiArMdgzJ-eIknDqOb4F4c3J4jzG7FD/s320/Grundig_KSC35_09.jpg" width="320" /></a></div>Audio amplifier: 8002A.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiF1llmfS2w9yYmBp416z1S0EI1Qxu2mS9K7e7yq_Z30jP5xuEikZZMeMsWHxJzqBYusy02csLNcyR60ZhgdwppgkbrEhSXnyOxNutLqlTGBod0bn8NGJ3xsaN-u1SVF4dpQtWLadWo9pP0/s822/Grundig_KSC35_10.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="471" data-original-width="822" height="183" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiF1llmfS2w9yYmBp416z1S0EI1Qxu2mS9K7e7yq_Z30jP5xuEikZZMeMsWHxJzqBYusy02csLNcyR60ZhgdwppgkbrEhSXnyOxNutLqlTGBod0bn8NGJ3xsaN-u1SVF4dpQtWLadWo9pP0/s320/Grundig_KSC35_10.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg0W13DkUU634rVUwCmFhYGcXXBZMb7hNd9dRUahX0z5dotdX5bEXCdj1RAHbY0LW9TDc-VmNlqRR3P4MkHhPm82IEK_IKZNavlsypoutq_VJ_NPGIUPhPn8V5w2Ep5U1xSGO4CuGrLdGDx/s926/Grundig_KSC35_11.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="662" data-original-width="926" height="229" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg0W13DkUU634rVUwCmFhYGcXXBZMb7hNd9dRUahX0z5dotdX5bEXCdj1RAHbY0LW9TDc-VmNlqRR3P4MkHhPm82IEK_IKZNavlsypoutq_VJ_NPGIUPhPn8V5w2Ep5U1xSGO4CuGrLdGDx/s320/Grundig_KSC35_11.jpg" width="320" /></a></div>Board was glued together with epoxy glue and traced repaired with wire and solder.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjokr3urXJGm39V4LzUztpf7lxlwN_sZLuP30yq4JK1mDKB2iZQT7IG2G4QGfG2GDKSh65pCGC39Fb9ugEimBTCiJOxP0Om_JXS6kTSHBRUdXzSyeQlJpyjQJzintlWfyck3b59NJeJR0b7/s921/Grundig_KSC35_12.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="319" data-original-width="921" height="111" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjokr3urXJGm39V4LzUztpf7lxlwN_sZLuP30yq4JK1mDKB2iZQT7IG2G4QGfG2GDKSh65pCGC39Fb9ugEimBTCiJOxP0Om_JXS6kTSHBRUdXzSyeQlJpyjQJzintlWfyck3b59NJeJR0b7/s320/Grundig_KSC35_12.jpg" width="320" /></a></div>To strengthen the board I've glued steel U-shaped rail the edge (probably part of laptop optical mechanism in previous life). Not too elegant but probably stronger than originally.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj1cyLEhVtLjnnJgpS-gID_YRzGDkceT_fzve2_M6SxDhTgV4b_N4t07mFt0EdMEi7Q5jOIE7rC__h9gQ2-k54nCsHt7_KjmNv09cuATJ1RHqeq-Dmv_Gw7bAV8JgGzXzH5bIiZOAd_3CRo/s924/Grundig_KSC35_13.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="321" data-original-width="924" height="111" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj1cyLEhVtLjnnJgpS-gID_YRzGDkceT_fzve2_M6SxDhTgV4b_N4t07mFt0EdMEi7Q5jOIE7rC__h9gQ2-k54nCsHt7_KjmNv09cuATJ1RHqeq-Dmv_Gw7bAV8JgGzXzH5bIiZOAd_3CRo/s320/Grundig_KSC35_13.jpg" width="320" /></a></div>Cable strain reliefs (heat shrinking tubes) were added to power cord and antenna.<br /><br />Audio quality is not impressive - I guess typical for this class of equipment.<br /><div class="separator" style="clear: both; text-align: center;"><br /></div><p></p></div>Unknownnoreply@blogger.com0