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 ...
Soldering is one of those jobs that are conceptually simple enough, but there’s quite a bit of devil in the detail and having precisely the right tool for the job in hand is essential for speed and ...