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 ...
The Engineering Mindset on MSN
MOSFET vs transistor vs relay: Most people get this wrong
Learn the key differences between MOSFETs, transistors and relays. This beginner-friendly electronics tutorial explains how BJTs and MOSFETs work, why they are used for switching and amplification, ...
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