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![5 Volt 4 Channel Arduino Relay Module example - Arduino Learning](https://i2.wp.com/arduinolearning.com/wp-content/uploads/2017/01/4-channel-relay-schematic.png)
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![Relay Interface With Arduino | Relay module Interfacing](https://i2.wp.com/techatronic.com/wp-content/uploads/2021/04/Arduino-With-relay-e1620141511535.jpg)
Relay Interface With Arduino | Relay module Interfacing
![The Answer is 42!!: Elegoo 8 Channel Relay Module Tutorial](https://1.bp.blogspot.com/-WR8FMrXP0ik/XSIbd9xWarI/AAAAAAAAhBA/W9gDrj05y3YD0OmDFnBW-ilXX1vkM-BmACLcBGAs/s1600/Elegoo%2B8%2BChannel%2BRelay%2BTutorial_bb.png)
The Answer is 42!!: Elegoo 8 Channel Relay Module Tutorial
![Arduino Relay Module Connection Tutorial](https://i2.wp.com/mechatrofice.com/wp-content/uploads/2017/08/arduino-relay-interface-schematics-circuit.png)
Arduino Relay Module Connection Tutorial
![Arduino Relay Module Tutorial | Microcontroller Tutorials](https://i2.wp.com/www.teachmemicro.com/wp-content/uploads/2018/04/relay-schematic-optocoupler-example-1024x483.png)
Arduino Relay Module Tutorial | Microcontroller Tutorials
![2 Channel 5V Relay Module - Wiki](https://i2.wp.com/wiki.sunfounder.cc/images/6/6c/2cha2.jpg)
2 Channel 5V Relay Module - Wiki
![Control Up to 65,280 Relays with Your Arduino! - Hackster.io](https://i2.wp.com/hackster.imgix.net/uploads/attachments/765217/wiring_g2eOQ3ibeG.jpg)
Control Up to 65,280 Relays with Your Arduino! - Hackster.io
Arduino & Relay Wiring Diagram
![How to use a Relay with Arduino - Electronics Projects Hub](https://i2.wp.com/electronicsprojectshub.com/wp-content/uploads/2018/10/arduino-relay-circuit.png?resize=783%2C512&ssl=1)
How to use a Relay with Arduino - Electronics Projects Hub