OpenSprinkler › Forums › Hardware Questions › OpenSprinkler Pi (OSPi) › Low voltage on solenoid connections › Re: Re: Low voltage on solenoid connections July 6, 2014 at 4:23 am #27443 gregableParticipant The power supply is an standard orbit 24VAC 740mA supply that I picked up at Lowes. With no load, I see ~27-28V at the leads with a multimeter. This is Dan’s interval program which starts itself up on port 8080 using the stock flashed card software.
