Welcome to the AR488 GPIB Controller WiKi!
The AR488 Manual can be found here: https://twilight-logic.github.io/AR488/
Or downloaded here: https://github.com/Twilight-Logic/AR488/blob/master/AR488-manual.pdf
To be added:
FDor ESP32 support have a look at the ESP-488 project by David Douard See https://github.com/douardda/AR488)