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 ...

eVinci Technologies based in Canada have created a new Arduino development board called the Stronghold, which as the name suggests has been designed to provide a secure Arduino development board which ...