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Arduino Relay Module Tutorial | Microcontroller Tutorials
Relay module channel circuit single diagram 5v pcb pinout datasheet quite simple 8 channel relay board 5v single-channel relay module
Esp8266 8-channel relay module home automation
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Relay channel board electronics pcb lab top .
![5V Single-Channel Relay Module - Pin Diagram, Specifications](https://i2.wp.com/components101.com/sites/default/files/inline-images/Single-Channel-Relay-Module-Circuit-Diagram.jpg)
![8 Channel Relay Board - Electronics-Lab](https://i2.wp.com/www.electronics-lab.com/wp-content/uploads/2015/04/8_Channel_Relay_Top.jpg)
8 Channel Relay Board - Electronics-Lab
![8 Channel 5V Relay Module - Wiki](https://i2.wp.com/wiki.sunfounder.cc/images/c/cb/Cha2.jpg)
8 Channel 5V Relay Module - Wiki
![ESP8266 8-Channel Relay Module Home Automation - Hackster.io](https://i2.wp.com/hackster.imgix.net/uploads/attachments/570798/schematic_8-ch-esp8266_sheet-1_20180906105752_sSbok6wL3A.png)
ESP8266 8-Channel Relay Module Home Automation - Hackster.io
![Arduino Relay Module Tutorial | Microcontroller Tutorials](https://i2.wp.com/www.teachmemicro.com/wp-content/uploads/2018/04/relay-schematic-example.png?resize=620%2C443&ssl=1)
Arduino Relay Module Tutorial | Microcontroller Tutorials
![5V 8-Channel Relay Module - Pinout, Features, Working, Applications](https://i2.wp.com/components101.com/sites/default/files/inline-images/Eight-Channel-Relay-Module-Circuit-Diagram.jpg)
5V 8-Channel Relay Module - Pinout, Features, Working, Applications