OpenSprinkler › Forums › Hardware Questions › OpenSprinkler Pi (OSPi) › Valves Won't Turn Off › Reply To: Valves Won't Turn Off
April 26, 2018 at 4:22 am #49696
Mike / Ray
Thanks for the assistance – yes it appears switched mode power supplies output DC and that was the problem.
I just connected up the power supply from RS and everything is working fine!