I am trying to figure the safest way to have the arduino activate a 12v solenoid. I've done a lot of reading up before posting, just had a few questions. Two separate power supplies are needed, a 12v one for the solenoid, and the arduino one. I don't want to use the 12v for the arduino because th…

Best setup for 12v solenoid

MrGarak February 25, 2013, 6:05pm 5

I thought so, but wanted to make sure. Thanks

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