OpenSprinkler › Forums › OpenSprinkler Unified Firmware › Non-latching 24V AC valve activates as soon as I start ospi… › Reply To: Non-latching 24V AC valve activates as soon as I start ospi…
May 17, 2020 at 4:47 pm
#66096
Ray
Keymaster
Did you purchase OSPi from us or are you using your own build? Are you using relays? If so, be aware that many relays boards use ‘active low’ logic, which means they will activate when the signal is low. OSPi uses ‘active high’ logic, so it will be the exact opposite.