Homepage › Forums › OSPi › OSPI v1.52: Change VAC to VDC for pump control › Reply To: Change VAC to VDC in OSPI v1.52 for pump control
Hello, unfortunately I have no idea about hardware modifications, so you would have to contact the manufacturer on OpenSprinkler.com.
However, you can also control GPIOs directly with the OpenSprinkler software and use a Raspberry Pi expansion board.