BotoX

Because of regen braking. And yes a few people have tried and destroyed their controllers. There are modifications which can be done to fix this. "cutting the trace" method Or...

I'd suggest you to flash to the latest firmware, I fixed a few things that might cause this. If it still happens then I'll investigate this further, never happened to...

Did you connect both temperature sensors? Also debug_print is usually the answer to "why is it not working"

you can also try any other terminal emulator program and send this in HEX: 55aa0322fa0500dbfe also try sending it multiple times, UART is a shit protocol with no error correction...

> BMS should send "BOOTED!" each time after reset (RST to GND shortage), am I right? Yes. > Unfortunately I don't have any message (I tested all available serial port...

You have to power the BMS by connecting the balance connector, only like that will the TI chip work properly. If you only want to test the ATMega firmware you...

> @kalski44 > battery will take some days.. > Only GND and +5V to ISP. But also only TX and RX to UART (Signal Level 5V)? > Then i should...

try it multiple times, as said serial is pretty unreliable.

It definitely needs to be 76800 baud. And it's a HEX string, not ASCII. Better use the python configtool

Everything is fine with your BMS it seems. getSettings() populates g_Settings (unless you see an exception) You could try swapping RX/TX on your scooter / BMS. Which error is your...