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 was your first Arduino program? Probably an LED blinker — that seems to be the “hello world” of microcontrolllers. You probably moved on to things a little more complicated p… ...

Posted in Arduino Hacks Tagged arduino, relays ← Two DJ Hero Controllers Turned Into A Giant Etch A Sketch Color Organ Tiki-o’-lantern → ...