4 Relay Module Circuit Diagram
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Arduino Electronics
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![Relay Wiring Diagram and Function Explained - ETechnoG](https://1.bp.blogspot.com/-e-FeG4irGTM/YQFwjy8OXWI/AAAAAAAABVM/wHNaYRIoycYCtm48aA72t58TVVsj32pCgCLcBGAsYHQ/s1204/Relay+Wiring+Diagram.png)
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![4 relay module | Hobbyist.co.nz](https://i2.wp.com/www.hobbyist.co.nz/sites/default/files/pictures/dancing-lights/schematic.jpg)
![2 Channel Relay Board - Electronics-Lab.com](https://i2.wp.com/www.electronics-lab.com/wp-content/uploads/2015/03/2_Channel_Relay_Board_SCHEMATIC.png)
2 Channel Relay Board - Electronics-Lab.com
![5V Four-Channel Relay Module - Pin Diagram, Specifications](https://i2.wp.com/components101.com/sites/default/files/inline-images/Four-Channel-Relay-Module-Application-Circuit.png)
5V Four-Channel Relay Module - Pin Diagram, Specifications
![How To Make Relay Module Circuit And PCB And Earn Money - Dip](https://i2.wp.com/www.dipelectronicslab.com/wp-content/uploads/2021/06/4-Channel-relay-Module-1.jpg)
How To Make Relay Module Circuit And PCB And Earn Money - Dip
![4 Channel 5V Relay Module - Wiki](https://i2.wp.com/wiki.sunfounder.cc/images/9/95/4_channel_relay_PCB.png)
4 Channel 5V Relay Module - Wiki
![5V Dual Channel Relay Module Pinout, Working, Interfacing with Arduino](https://i2.wp.com/microcontrollerslab.com/wp-content/uploads/2021/01/5V-Dual-Channel-Relay-Module-internal-circuit-diagram-768x516.jpg)
5V Dual Channel Relay Module Pinout, Working, Interfacing with Arduino
![5 Volt 4 Channel Arduino Relay Module example - Arduino Learning](https://i2.wp.com/arduinolearning.com/wp-content/uploads/2017/01/4-channel-relay-module_bb.png)
5 Volt 4 Channel Arduino Relay Module example - Arduino Learning
![Arduino Electronics](https://i2.wp.com/wiki.sunfounder.cc/images/0/06/4_channel_relay_schematic.png)
Arduino Electronics
![KY-019 5V Relay Module - ArduinoModulesInfo](https://i2.wp.com/arduinomodules.info/wp-content/uploads/Arduino_KY-019_Keyes_5v_relay_module_connection_diagram.png)
KY-019 5V Relay Module - ArduinoModulesInfo
![5V Four-Channel Relay Module - Pin Diagram, Specifications](https://i2.wp.com/components101.com/sites/default/files/inline-images/Four-Channel-Relay-Module-Circuit-Diagram.png)
5V Four-Channel Relay Module - Pin Diagram, Specifications