The files are checked in now. I don’t know how you calibrate changes as being significant or not, but if you compare the schematics of 1.42+ with 1.4+:
https://github.com/rayshobby/opensprinkler/blob/master/OpenSprinkler%20Pi/hardware/ospi_v14%2B_sch.png
https://github.com/rayshobby/opensprinkler/blob/master/OpenSprinkler%20Pi/hardware/ospi_v142%2B.png
the only change is that the relay (and associated transistor and diode) is removed and replaced by a 3-pin header.
