Arduino - Relay Arduino Tutorial
![Arduino - Relay Arduino Tutorial](https://arduinogetstarted.com/images/tutorial/relay-pinout.jpg)
Learn how to use relay with Arduino, how relay works, how to connect relay to Arduino, how to code for relay, how to program Arduino step by step. The detail instruction, code, wiring diagram, video tutorial, line-by-line code explanation are provided to help you quickly get started with Arduino. Find this and other Arduino tutorials on .
![](https://diyprojectslab.com/wp-content/uploads/1channel-Relay-with-arduino.jpg)
Relay Module with Arduino Tutorial – DIY Projects Lab
![](https://content.instructables.com/FWL/S664/I06JB5QN/FWLS664I06JB5QN.jpg?auto=webp&fit=bounds&frame=1&height=620&width=620)
Home Automation - How to Add Relays to Arduino : 10 Steps - Instructables
![](https://www.circuitbasics.com/wp-content/uploads/2020/06/Using-Sensor-Data-to-Control-a-5V-Relay-on-the-Arduino-Relay-Controlled-by-Photoresistor-Wiring-Diagram.png)
Using Sensor Data to Activate a 5V Relay on the Arduino - Circuit Basics
![](https://www.circuits-diy.com/wp-content/uploads/2023/03/Button-Toggle-Relay-Arduino-Tutorial.png)
Button Toggle Relay - Arduino Tutorial
![](https://www.circuits-diy.com/wp-content/uploads/2023/04/4-Channel-Relay-Module-Arduino-Tutorial.png)
4-Channel Relay Module - Arduino Tutorial
![](https://arduinogetstarted.com/images/tutorial/how-it-works-relay-normally-open.jpg)
Arduino - Relay Arduino Tutorial
![](https://arduinogetstarted.com/images/tutorial/arduino-4-channel-relay-module-wiring-diagram.jpg)
Arduino - 4-Channel Relay Module
![](https://i.ytimg.com/vi/7tUGUXyloXQ/maxresdefault.jpg)
Using 5V 1 channel relay module for Arduino
![](https://circuits4you.com/wp-content/uploads/2017/10/Arduino_KY-019_5v_relay_module_connections-1024x652.png)
Arduino relay module interface
![](https://www.geya.net/wp-content/uploads/2024/01/Using-a-4-channel-5V-relay-module-with-Arduino.png)
How to Use a Relay Module with Arduino