Computer Controlled, relay board designed to be either operated manually via switches on the board or nine way Type Connector via PC or laptop. Computer Controlled, relay board designed to be either ...
A simple and convenient way to interface 2 relays for switching application in your project. This relay driver boosts the input impedance with a regular BC547 NPN transistor (or equivalent). Very ...
If you’re looking for a quick and easy way to control a few devices from your computer, a cheap USB relay board might be the ideal solution. These are fairly simple gadgets, consisting of little more ...
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