Running out of GPIO pins? Learn how to connect multiple buttons to just one Arduino pin using clever wiring and resistor techniques. Perfect for compact projects, keyboards, or when using small ...

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 ...

Posted in Arduino Hacks, home hacks Tagged Arduino Uno, home automation, power-line, solid state relay ← Simple Dremel TRIAC Hack Repair Robot Painter Works Like A Photobooth → ...