zuhair01

file: cheali-charger-imaxB6-clone_2.00-e10.3.12-20160613_atmega32.hex  Microsoft Windows [Version 10.0.19045.2846] (c) Microsoft Corporation. All rights reserved. C:\Users\5454\Documents\rc\her>avrdude.exe -patmega32 -cstk500v1 -PCOM3 -b19200 -Uflash:w:cheali-charger-imaxB6-original_2.00-e10.3.12-20160613_atmega32.hex:a avrdude.exe: AVR device...

keypad pins are connected to pin no 43- start pin no 42 - inc pin no 41 - dec pin no 40 - batt type https://user-images.githubusercontent.com/24286542/232319257-0f0a0312-1b1d-40dd-baf7-52737d810e93.mp4 

voltages on each pin on keypad side for: "start" - 4.88v "inc" - 4.88v "dec" - 0.12v "batt type" - 4.88v button is pressed "start" - 0v "inc" - 0v...

dec key resistor left side 4.8V other side 0.12V and i change resistor still l am not get 

not a change,. your firmware start,inc, and batt type keys make beep . I found firmware Google search is firmware are the 3 keys work still dec key not working...

old firmware backup copy i attach Thanks for your help [b6ac pro.zip](https://github.com/stawel/cheali-charger/files/11366143/b6ac.pro.zip)

yes all key I found firmware Google search is firmware are the 3 keys work still

cheali firmware no key work