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 ...

Press enter or click to view image in full size It is a switch that is electrically operated by an electromagnet that uses a small current to drive a larger circuitry. Arduino cannot control circuits ...

Home automation has become a hot topic in recent years with the advent of affordable and accessible technology. The ability to control and monitor various aspects of our homes from anywhere worldwide ...