In this quick Arduino tutorial I will explain how you can control a relay using the Arduino Board, one 1K and one 10K resistors, 1 BC547 transistor, one 6V or 12V relay, one 1N4007 diode and a 12V fan ...
What do you get when you mix a Raspberry Pi, a MySQL database, an RFID reader, an LCD touchscreen, a relay switch, an electronic door strike and a Twilio SMS account?
Electronic, Arduino enthusiasts and makers looking for a project to keep them busy this weekend, may be interested in a cool custom switch created by Dave Darko. That requires users to intermittently ...
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