What would be the easiest, most inexpensive, and safest way of having the computer able to switch a external power source (120V AC) on/off? I'm looking for a way to switch some external devices on or ...
SparkFun’s latest tutorial shows you how to work with relays. A relay is an electrically operated switch. In this case, they’re using it to switch a 120V AC outlet. The article carries the standard ...
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