Relay

DIY Arduino Relay Driver Shield PCB DIY Arduino Relay Driver Shield

In this DIY project we make a 3-Channel Arduino Relay Shield Circuit for relay based applications. We designed…

Relay Interfacing with PIC Micro-controller Relay Interfacing with PIC Microcontroller

In this project we will interface a Relay with PIC Microcontroller PIC16F877A. Relay is a mechanical device to control…

Arduino RFID Door Lock Hardware Project Setup Arduino RFID Door Lock

You have seen RFID Door Lock Mechanism in some Hotels and other places, where you don’t need a key to unlock the room…

Arduino Light Sensor Circuit using LDR Arduino Light Sensor Circuit using LDR

We all want our home appliances to be controlled automatically based on some conditions and that's called Home automation.…

Wireless Switch Circuit using LDR and CD4017 Wireless Switch Circuit using LDR and CD4017

Have you ever feel a shock by touching the switch? It does not generally happen but sometimes physical contact with switches…

Arduino Relay Control Tutorial Arduino Relay Control Tutorial

LED Blinking is a very common and almost first program for every embedded learner or beginner. In which we blink an LED with…

Arduino DC Motor Speed and Direction Control using Relays and MOSFET Arduino DC Motor Speed and Direction Control using Relays and MOSFET

In this project we control direction and speed of a 24v high current motor using Arduino and two relays. No power switches…

IoT based Web Controlled Home Automation using Raspberry Pi IoT based Web Controlled Home Automation using Raspberry Pi

Hi guys, welcome to today's tutorial, one of the good things about the Raspberry Pi is the great ability and ease with which it…

What is Relay, How Relay works & Different Types of Relays Basic Working Principle of Relay - Construction and Types

From a small traffic signal controller to a complex high voltage switchyard, relays can be found everywhere. To put it in…

Automatic Street Light Circuit Using Relay and LDR Automatic Street Light Controller Circuit Using LDR and Relay

You have seen street light which automatically gets turned on in the night and gets turned off in the morning or day time,…