This source repository is the code for the Arduino basics tutorial. This tutorial is made up of 20 examples, and all of tutorials provide video tutorials and uploaded on YouTube ...
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 ...