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Showing results for tags 'connecting a relay to 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 should always use proper equipments and safety gears and determine whe