Hi everone, I have a Arduino Mega2560 with Ethernet shield that is controlling a 5V relay to drive a 12V solenoid used for electronic lockers. The Arduino is powered by an external 12V power supply, and the relay (driving the solenoid) is powered by another 12V power supply. The relay is powered by…

Urgent help needed - relay with load resetting Arduino

CrossRoads September 6, 2012, 1:24pm 9

I don't see any part numbers, how do you tell what's what?

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