Recent content by petr22

So, this battery is rechargable - there is 90mV on battery contacts provided by the drone. Still don't know where to buy new one, diameter is around 3.7mm and unknown voltage and capacity.

Looks like we found another DJI design fault. If not used, there are crystals forming which short the battery. Therefore not using Spark means GPS board battery will become bad, GPS board will not communicate with main board, causing Navigation system error.

Hi, thanks for welcome on this forum. That round thing is battery for sure, I disassembled my working drone and it shows 85mV. There is 0V on dead boards. If dead battery is a cause, it will explain all new Sparks with same problem - they only sat in warehause too long and were delivered with...

Hi, I am trying to fix some DJI Spark drones with bad GPS boards, which cause following error - Navigation System Error - check redundancy state, same error is when GPS board is disconnected from main board. Serial output console show only garbage at all standard baud rates - that mean...