Quote:
Originally Posted by Jon Stratis
Also important to keep in mind... running one of the typical 24V solenoids on a 12V relay can drive you mad trying to debug the problem. The LED's on the solenoid can light up and make it look like it's working, but it won't actually switch anything!
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A very common problem I have seen often, usually from teams who have followed a KOP wiring diagram using 12v breakout board.