Arduino Projects

Arduino Home Automation: Control Lights with Relay

Home Automation Expert March 14, 2026 6 min read 1,432 views
Arduino Home Automation: Control Lights with Relay

Project Overview

Control AC appliances using Arduino and relay module.

Components Required

Arduino Uno, relay module, AC bulb, and connecting wires.

How Relay Works

Relay allows Arduino to control high-voltage devices.

Circuit Connection

Connect relay module to Arduino and AC bulb.

Programming

Write code to control relay based on button press or sensor input.

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