![1 Channel Relay Module Interface Board Shield for Arduino 5V Low Level Trigger One PIC AVR DSP ARM MCU DC AC 220V: Amazon.com: Industrial & Scientific 1 Channel Relay Module Interface Board Shield for Arduino 5V Low Level Trigger One PIC AVR DSP ARM MCU DC AC 220V: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/61B1SuknxAL.jpg)
1 Channel Relay Module Interface Board Shield for Arduino 5V Low Level Trigger One PIC AVR DSP ARM MCU DC AC 220V: Amazon.com: Industrial & Scientific
![GitHub - lucasgiusti/node-arduino-relay: This is the source code for a simple example using Nodejs and Socket.io for activate relay from a Arduino GitHub - lucasgiusti/node-arduino-relay: This is the source code for a simple example using Nodejs and Socket.io for activate relay from a Arduino](https://raw.githubusercontent.com/lucasgiusti/nodearduinorele/master/arduino/schema.png)
GitHub - lucasgiusti/node-arduino-relay: This is the source code for a simple example using Nodejs and Socket.io for activate relay from a Arduino
![1 Channel 5V Relay Module Time Delay Relay Module Trigger OFF / ON Switch Timing Cycle 999 minutes for Arduino Relay Board Rele - AliExpress 1 Channel 5V Relay Module Time Delay Relay Module Trigger OFF / ON Switch Timing Cycle 999 minutes for Arduino Relay Board Rele - AliExpress](https://ae01.alicdn.com/kf/S9d8cc4cb761e4d57be6454708552a887g.jpg_640x640Q90.jpg_.webp)
1 Channel 5V Relay Module Time Delay Relay Module Trigger OFF / ON Switch Timing Cycle 999 minutes for Arduino Relay Board Rele - AliExpress
![5 Pin 220v Ac Relay | 230v Arduino Relay | Arduino Relay 110v | Rele 220v Arduino - 12v 5 - Aliexpress 5 Pin 220v Ac Relay | 230v Arduino Relay | Arduino Relay 110v | Rele 220v Arduino - 12v 5 - Aliexpress](https://ae01.alicdn.com/kf/Hd37c297c1993473bba8308c840e0a85dK.jpg_640x640Q90.jpg_.webp)
5 Pin 220v Ac Relay | 230v Arduino Relay | Arduino Relay 110v | Rele 220v Arduino - 12v 5 - Aliexpress
![1 Channel 5V Relay Module Time Delay Relay Module Trigger OFF/ON Switch Timing Cycle 999 minutes for Arduino Relay Board Rele - Amazon.com 1 Channel 5V Relay Module Time Delay Relay Module Trigger OFF/ON Switch Timing Cycle 999 minutes for Arduino Relay Board Rele - Amazon.com](https://m.media-amazon.com/images/I/61R9XitFn3L._AC_UF894,1000_QL80_.jpg)