Correct firmware for JP EnErG Pro LIPRO Quad 6

[T hninexer]

Hi,

I have a  JP EnErG Pro LIPRO Quad 6 charger and wonder what firmware (if any) I should be using for it. Attached are PCB scans and I can confirm the IC is labelled as a ATMega32.

Thanks.
Cam.

[Paweł Si]

I would try: cheali-charger-imaxB6-clone_1.99-20160321_atmega32.hex

Regards,

Paweł

[T hninexer]

All appears well so far with that firmware. Basic calibration has worked. Programming pinout is different so I have attached a labelled image to help others.
Default calibration values were close for voltage but miles out for current. (Presuming I'm doing it right, the current firmware seems to differ from the instructions.)
Measurements indicate this https://github.com/stawel/cheali-charger/blob/master/docs/calibration_expert.md additional calibration will work but I haven't tried it yet.
Vplus and Vminus report around 0.048v regardless of whether they are shorted to each other or ground. So I guess it's suitable for enabling "ADC Noise" ?

Cam.

 

[JagiChan Sir]

Wow, multiple B6 clones in one box!!! The good thing that I would see here is that you can afford to flash custom firmware to one charger and play around with the modifications, while the rest of them are running the stock firmware. This way, you will always have a 3 working chargers :) Good.