OpenSprinkler Forums Hardware Questions OpenSprinkler Pi (OSPi) Valves Won't Turn Off Reply To: Valves Won't Turn Off



Thanks for getting back to me.

I bought a 24v Switched Mode AC DC Power Supply like this:

And then cut the plug off the end and wired it to the board.

Looks like this is the culprit – should a switching power supply work – or should I get another one which is only AC?