In this tutorial, we are going to learn how to turn on/off some kind of devices that use the high voltage power supply (such as a light bulb, fan, electromagnetic lock, linear actuator...). What are the common and difference between controlling LED and controlling a light bulb?

Jan 15, 2019 · This article shows how to control mains voltage with the Arduino using a relay module. We make a brief introduction to the relay module and build a simple project example with the Arduino. The example we’ll build shows how to control a relay module with an Arduino and a PIR motion sensor.

In this tutorial, we’ll show you how to hook up a one-channel relay module to your Arduino and use it to turn on and off devices like a lamp or motor. But before we dive into wiring and code, let’s take a quick look at how a relay works. How Do Relays Work? A relay is essentially an electrically operated switch.

Mar 1, 2022 · In this tutorial, I will show you how to use a relay with Arduino and how relays work. By the end of this tutorial, you will have all the knowledge to interface relays with Arduino. This will be able to control motors, power switches and other high power applications.

Feb 24, 2023 · In this blog, we will explore how a relay works, how to interface a single-channel relay with an Arduino Uno, and demonstrate a simple example of how to use the 5v relay module to control a lamp. VCC - this pin provides power to the module. GND - this is the common ground.

Jan 26, 2025 · In this tutorial, we’ll learn how to use a Relay Module with Arduino to control high-voltage devices safely and effectively. This guide covers the basics of relay modules, how to use them with Arduino, and important safety tips to keep in mind.

Aug 7, 2023 · The Relay Module is a powerful component that enables your Arduino projects to control high-power devices, such as lights, motors, and appliances. It acts as an electrically controlled switch, allowing you to turn on and off external circuits with the help of low-power signals from the Arduino.

In this article, we are going to control an Arduino relay module. We will control two different devices using it. First, we will control a simple LED then we will control a light bulb using it.

In this blog post, we will dive into how you can integrate a Relay Module with Arduino to control high-power devices and automate your projects like never before. A relay is an electric switch that can be turned on or off. Relays are used to control a circuit by a separate low power signal or, controlled several circuits by one signal.

A relay module allows an Arduino to control high-voltage devices like lights, fans, motors, or home appliances. Since Arduino operates at low voltage (3.3V/5V) and cannot directly switch high-power loads, a relay acts as an electrically isolated switch.