2022-10-30

DEERC D20 drone

Cheap, sub-$50 miniature drone with 720p camera.

Controller, two batteries, two USB chargers, spare blades, blade protectors, small screwdriver and drone itself.









While battery has USB socket, it should be charged directly with USB but with dedicated charger.

One of the chargers had minor mechanical issue with PCB contacts inside of USB plug.


Measured supply current drawn by the charger at work: 0.8A.
I've scrapped edge of the PCB with a knife and then added a drop of glue inside to keep PCB flushed down.

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.



PAN2025B50X: 2.4GHz RF SOC chip, up to 1 Mbps, with Cortex-M0 72 MHz CPU, 29 kB FLASH, 4 kB SRAM.
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.

There is second board on the bottom side with camera connected.


 

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