An Electric Scooter Community on a Mission to Stamp out Transportation Mediocrity.

Covers electric scooter models whether shared or for consumers.
By negis02
#20182
Hello,

I have broken ninebot windrunner g1U and i trying to fix myself. I find out that chip U6 in power distribution PCB is broken - it shorting 3.3V power supply to ground, i replace STM32F103 chip, but need to flash new firmware.
Can somebody help my to get firmware file? Actually need to copy firmware with ST-LINK from good chip.

I'm not sure do is right forum to ask the help there, will be great i somebody will give correct link in correct forum where i can ask help :)

Thanks
Image
By LPla
#54245
Hello,

I don’t have the firmware files but I have a non working windrunner :D .
Can you post more pictures of your pcb and how the cables are running? Maybe I can get mine back on the road again.
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