How to Use a Relay Module with Arduino

In this handy tutorial, we'll go over how to use a relay module with Arduino microcontrollers, so you can understand how it happens and even give it a try.

Arduino Relay Tutorial: Control High Voltage Devices with Relay Modules - Latest Open Tech From Seeed

8-Channel Relay Module for Arduino & Raspberry Pi - 5V

16 Channel I2C Electromagnetic Relay Module for Arduino Raspberry 3.3V 5.0V

relay module interfacing with arduino code and circuit diagam

KY-019 5V Relay Module - ArduinoModulesInfo

Arduino - Relay Arduino Tutorial

2 Channel Relay Not Working No Matter What I Do! - General Electronics - Arduino Forum

Relay module - How does it work and how to use it with Arduino - IBE Electronics

Interfacing Relay with Arduino Uno