⚡ How does a relay allow a tiny signal to control powerful electrical devices
0:57
YouTubetech from home
⚡ How does a relay allow a tiny signal to control powerful electrical devices
In this video, you'll learn how a relay works, how its electromagnetic coil moves the armature, and how the COM, NO, and NC contacts switch electrical circuits safely. Relays are widely used in Arduino projects, robotics, home automation, industrial control, and automotive electronics. 👍 Like, subscribe, and follow for more beginner-friendly ...
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