OpenSprinkler › Forums › Hardware Questions › OpenSprinkler Pi (OSPi) › Cannot turn Solenoid off › Re: Re: Cannot turn Solenoid off July 28, 2013 at 8:51 pm #25142 SamerKeymaster I think the issue is this: #PSU: Output 24V 1.1A (From an old EPSON Printer) Which is most likely a DC PSU. I believe that needs to be an AC PSU.
