Overview In today’s world, we have lots of smart devices that can be controlled remotely. Imagine being able to turn on or off your home appliances using your phone or computer, even if you’re far … Read more
relay

Relays are fundamental components in electrical and electronic systems, playing a crucial role in controlling circuits. They act as switches, allowing low-power signals to control high-power circuits. This functionality is indispensable in various applications, from … Read more
Understanding Relays: Principles Types and Applications

The Role of Relays in Standalone Engine Management In the world of standalone ECUs, reliable electrical power is crucial. The ability to supply and switch various circuits quickly and reliably when needed is key to … Read more
Automotive Relays Explained
Overview Process control of appliances using a 5V SPDT relay module and an ESP32-WROOM microcontroller is a widespread application used in everyday home automation and consumer electronics. but the incorporation of debouncing effectively causes several … Read more
ESP32 Tutorial – Button Toggle Relay
Introduction Controlling an appliance using a 5V SPDT relay module and an ESP32-WROOM microcontroller is a very common application used in everyday home automation and consumer electronics, allowing a foundational understanding of DIY home automation … Read more
ESP32 Tutorial – Button Relay
Overview In today’s tutorial, we are going to make a “Dual Channel 12 Volt Relay Driver Circuit” using BC547 Transistors. A simple and user-friendly method for interfacing two relays for switching applications in your project … Read more
Dual Channel 12v Relay Driver Board Circuit
Introduction Smartphone-controlled home appliances using an Arduino Uno and an Android app with an HC-05 Bluetooth module is a fascinating DIY project that merges technology and home automation. This project allows you to control your … Read more
Smartphone Control Light Using Arduino
Introduction In this tutorial, we are going to study the “DC Relay Switch Driver Circuit”. A basic electromechanical switch is referred to as a relay. While regular switches are used to manually close or open … Read more
DC Relay Switch Driver Circuit
Introduction If you have traveled to different countries in the world, You may have noticed that several nations are adopting automated LED street lights that turn on automatically after dusk to conserve energy and power. … Read more
Automatic Street Light Circuit
Introduction Step into the world of automation with the power of motion detection! This Motion Activated PIR Relay Circuit is the perfect solution for adding a touch of convenience to your everyday life. Whether it’s … Read more
Motion Activated PIR Relay Circuit
In this DIY, we are developing a “Simplest Automatic Water Pump Controller”. This circuit is the most straightforward circuit of an “automatic water pump controller”. The “Automatic Water Pump Controller system” screens the water levels … Read more
Simplest Automatic Water Pump Controller
Introduction We need relays to control a high-voltage circuit with a low-voltage signal, as in some types of modems or audio amplifiers; or to control a high-current circuit with a low-current signal, as in an … Read more
How to use a Relay with Arduino
Introduction A pushbutton-controlled 5V SPDT relay to control a DC water pump is a system that uses a relay to turn a DC water pump on and off. The relay is controlled by a pushbutton, … Read more
Water Pump with Button – Arduino Tutorial
Introduction Controlling a 12 Volt DC Diaphragm Pump with a 5V SPDT relay using an Arduino UNO microcontroller involves using the Arduino board to control the state of the relay, which in turn controls the … Read more
12V Water Pump Control with Arduino
Introduction Controlling appliances using an RFID card is a modern and convenient way to automate the process of turning on and off electrical devices. In this tutorial, we will show you how to control a … Read more
RFID NFC with Relay – Arduino Tutorial
Introduction Toggling a 5V SPDT Relay module with a MC-38 Magnetic reed switch using an Arduino Uno Microcontroller is a method of controlling the state of a relay by using a magnetic reed switch as … Read more