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 ...

There are 60 unique lighting patterns 🎉, ranging from simple blinks to complex effects! The system selects a pattern based on the mode: Random Mode: Selects a pattern randomly 🎲. Sequential Mode: ...