DRIVING A RELAY WITH AN ARDUINO

DRIVING A RELAY WITH AN ARDUINO



Hello everyone, welcome back to my channel. This is my 4th tutorial on how to drive a RELAY (not a relay module) with an Arduino.
There are hundreds of tutorial available on how to use a "relay module" but I could not find a good one that shows how to use a Relay and not a Relay module. So, here we are to discuss how a relay works and how we can hook it up to an Arduino.
Note: If you do any work with "mains power" such as 120v or 240v AC power wiring, you