OpenSprinkler › Forums › Third-Party Software › Input GPIO for non-OSPi system (Standard Pi with Firmware 2.1.9 loaded) › Reply To: Input GPIO for non-OSPi system (Standard Pi with Firmware 2.1.9 loaded) September 11, 2020 at 12:40 pm #68224 RayKeymaster They are defined in defines.h: https://github.com/OpenSprinkler/OpenSprinkler-Firmware/blob/master/defines.h#L374
