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 ...

HPWR' power connector on the ASUS GeForce RTX 5090 handles 1000W of power at ease, with increased reliability.