# Relay Operation and the Arduino Uno

**URL:** <https://forum.core-electronics.com.au/t/relay-operation-and-the-arduino-uno/561>\
**Category:** Guides\
**Created:** [29 November 2016 15:41 UTC](https://forum.core-electronics.com.au/t/relay-operation-and-the-arduino-uno/561 "2016-11-29T15:41:46Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Aidan](https://yyz2.discourse-cdn.com/flex028/user_avatar/forum.core-electronics.com.au/aidan/32/1243_2.png) [@Aidan](https://forum.core-electronics.com.au/u/Aidan)\
**Post date:** [29 November 2016 15:41 UTC](https://forum.core-electronics.com.au/t/relay-operation-and-the-arduino-uno/561/1 "2016-11-29T15:41:46Z")

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Aidan just shared a new tutorial: [**"Relay Operation and the Arduino Uno"**](http://core-electronics.com.au/tutorials/relay-operation-with-arduino.html)  
  
 ![](https://canada1.discourse-cdn.com/flex028/uploads/core_electronics/original/1X/0af49c8be5d433757693c32ba274052a3c6f16a9.png)  
  
If you could operate your switch without physically toggling it on and off, you would open yourself up to an entire section of electronics. Relays are one of the best ways of doing this. A relay is essentially just a switch, controlled by an electrom…  
  
[**Read more**](http://core-electronics.com.au/tutorials/relay-operation-with-arduino.html)