Control Your Home Appliances Using Arduino and Relay By kitty 1234 in Circuits Arduino 69,030 468 27 Featured Download Favorite Introduction: Control Your Home Appliances Using Arduino and Relay Hello everyone, In this instructable we will be using Arduino And Relay module to control home appliances. This instructable covers: Basics of Relays. Connecting Relays with Arduino. Controlling AC appliances using Relays. How it works: The relay uses an electromagnet to mechanically switch electric appliances. A relay can be operated by a relatively small electric current that can turn on or off a much larger electric current. Using relays is safe as there is no any physical contact between Arduino and AC. Add Tip Ask Question Comment Download Step 1: Gather the Parts In order to Control Your Home Appliances Using Arduino and Relay we'll need: An Arduino UNO A 5V Relay module Female jumper wires < html > <body> <for...