Hi all, I'm messing around with a mechanical ball valve and my arduino. The valve works by applying 12v to a red wire to open or to a green wire to close (with a black wire always connected to ground. Now ... I can happily make this work with two arduino pins, two transistors/mosfets and all the g…

Redirecting 12v to either one output or another

system May 23, 2014, 4:02pm 5

Do you know how to drive the relay ?

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