OpenSprinkler › Forums › Hardware Questions › OpenSprinkler Pi (OSPi) › OSPi no grren LED? › Re: Re: OSPi no grren LED? September 23, 2013 at 4:32 am #25562 PeteParticipant Hi Ray, Thanks for the quick reply. Test results are: Resistance 5v to GND: 1.1M ohm VCC to GND: 105 K ohm The 24VAC psu I have shows 27.6 unloaded and 26.1 while holding a sprinkler valve open.
