ssd1306 OLED display draw C4 pin ADC value
install GCC toolchain or CH32duino
- CH32duino add to path set PATH=%LOCALAPPDATA%\Arduino15\packages\WCH\tools\riscv-none-embed-gcc\8.2.0\bin;%PATH% and change ford.bat to set COMPILERPREFIX=riscv-none-embed-
upload to device with minichlink.exe