I had hell with the drivers for the Atmel ICE to talk to the ATmega4808 so I figured I’d keep my settings here.
PlatformIO platformio.ini
[env:ATmega4808]
platform = atmelmegaavr
board = ATmega4808
framework = arduino
upload_speed = 115200
upload_protocol = atmelice_updi
Device Manager Looks LIke This
Zadig Looks Like This
