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 ...

Roxana Safipour, a graduate from MIT, has created a new programmable development board enclosed in a watertight casing. This innovative board is specifically designed for a wide variety of ...