IOPIPIN

iopipin is a back-end pin operation utility that should work on all the IOPi boards from ABElectronics.co.uk connected to a Raspberry Pi with Raspberry Pi OS . It is tested on a RPi 3B+ with 3 IOPi Plus boards and running Raspbian 10 (buster)

download link for iopipin: www.pereltje.nl/software/iopipin-0.3.tgz