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 ...

[Ben Jones] just started a new site called Maker-Guide, where he makes some very informative and well produced DIY videos on anything from homemade photography hacks, to controlling an outlet using a ...

Pulses a high current transformer with the set millisecond value. Intended for spot welding batteries, but it can be adapted for other things too. Modified microwave transformer KY-040 rotary encoder ...