Using Sensor Data to Activate a 5V Relay on the Arduino - Circuit Basics

Learn how to use an Arduino and a 5V relay to control a 120-240V lamp with the light detected by a a photoresistor.

Relay Module with Arduino

Arduino Relay Basics - How It Works and How to Use It : 7 Steps - Instructables

Controlling a Solenoid with Raspberry Pi and a Relay - Tutorial Australia

How to use 5V Relay with Arduino to turn ON and OFF AC bulb or DC load

Interfacing Relay with Arduino Uno

SSR(Solid State Relay) Interfacing with Arduino: Auto AC(Air Conditioner) ON/OFF Switch

How to hook up my 5V water pump - General Electronics - Arduino Forum

Light Sensor Triggers Relay - Arduino Tutorial

Guide for Relay Module with Arduino

How to Use Tilt Sensors on the Arduino - Circuit Basics