![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
![Uno schermo scheda modulo relè 5V / 12V 1 canale con accoppiatore ottico supporto Trigger alto e basso livello per Arduino|relay module|1 channel 5v relaychannel 5v relay module - AliExpress Uno schermo scheda modulo relè 5V / 12V 1 canale con accoppiatore ottico supporto Trigger alto e basso livello per Arduino|relay module|1 channel 5v relaychannel 5v relay module - AliExpress](https://ae01.alicdn.com/kf/HTB1poE_E7KWBuNjy1zjq6AOypXah/Uno-schermo-scheda-modulo-rel-5V-12V-1-canale-con-accoppiatore-ottico-supporto-Trigger-alto-e.jpg_Q90.jpg_.webp)
Uno schermo scheda modulo relè 5V / 12V 1 canale con accoppiatore ottico supporto Trigger alto e basso livello per Arduino|relay module|1 channel 5v relaychannel 5v relay module - AliExpress
![Nuolin Relay Module Optocoupler 5-24V Tools With Light Interface Board Shield Accessories For Arduino 1 6 8 Way Convenient ABS - Walmart.com Nuolin Relay Module Optocoupler 5-24V Tools With Light Interface Board Shield Accessories For Arduino 1 6 8 Way Convenient ABS - Walmart.com](https://i5.walmartimages.com/asr/4a104734-72d1-42bd-bb7d-fbe2087bc651.6b309303f10111af81eca98e9858095d.jpeg)
Nuolin Relay Module Optocoupler 5-24V Tools With Light Interface Board Shield Accessories For Arduino 1 6 8 Way Convenient ABS - Walmart.com
![5V/12V 1 modulo relè a un canale a basso livello per controllo elettrodomestici SCM per Kit relè fai da te Arduino|one channel relay module|channel relaylevel relay - AliExpress 5V/12V 1 modulo relè a un canale a basso livello per controllo elettrodomestici SCM per Kit relè fai da te Arduino|one channel relay module|channel relaylevel relay - AliExpress](https://ae01.alicdn.com/kf/Hdd600bde3bf940b787c10699d458974eV/5V-12V-1-modulo-rel-a-un-canale-a-basso-livello-per-controllo-elettrodomestici-SCM-per.jpg_Q90.jpg_.webp)
5V/12V 1 modulo relè a un canale a basso livello per controllo elettrodomestici SCM per Kit relè fai da te Arduino|one channel relay module|channel relaylevel relay - AliExpress
![Amazon.com: Tolako Módulo de relé 5 V 5 V luz indicadora LED 1 canal relé módulo para Arduino brazo PIC AVR MCU : Herramientas y Mejoras del Hogar Amazon.com: Tolako Módulo de relé 5 V 5 V luz indicadora LED 1 canal relé módulo para Arduino brazo PIC AVR MCU : Herramientas y Mejoras del Hogar](https://m.media-amazon.com/images/I/51skTYXNy5L._AC_SY355_.jpg)
Amazon.com: Tolako Módulo de relé 5 V 5 V luz indicadora LED 1 canal relé módulo para Arduino brazo PIC AVR MCU : Herramientas y Mejoras del Hogar
![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._SX342_.jpg)