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 Circuits
Welcome to our comprehensive collection of relay circuits, designed to provide reliable switching and control solutions for a wide range of applications. Whether you’re an electronics hobbyist, DIY enthusiast, or professional engineer, our range of circuits offers versatile solutions for automation, power distribution, and control systems. Explore circuit designs for electromechanical relays, solid-state relays, and relay modules, equipped with features such as high current capacity, low power consumption, and reliable operation. Our detailed guides, tutorials, and circuit diagrams provide step-by-step instructions, troubleshooting tips, and creative ideas for incorporating relay circuits into your designs. Achieve precise control and automation in your projects with our curated selection of high-quality relay circuit.
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 Relays play an important role in automation circuits. Whether it’s industrial or home, the type of relays can change but the principle remains the same. You may already know that relays in home automation … Read more
ESP8266-01 IoT Smart Relay for Home Automation
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 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
Introduction In this tutorial, we are going to interface ” Ethernet Web Server with Arduino UNO & Relay”. You can transform an Arduino into a basic web server by attaching an Ethernet shield to it, … Read more
How to Interface Arduino Ethernet Web Server with Relay
In this tutorial, we are going to interface ” One Channel Relay with Arduino UNO”. The one Channel Relay Module is a handy board for controlling high supply voltage, high current loads such as lights, and AC … Read more
Interface One Channel Relay Module with Arduino
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 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
Door Sensor Toggle Relay – Arduino Tutorial
Introduction Controlling a 5V SPDT relay module with an MC-38 magnetic reed switch using an Arduino Uno microcontroller is a simple yet powerful way to automate various tasks and control electrical devices remotely. With the … Read more
Door Sensor with Relay – Arduino Tutorial
Introduction Toggling a 5V SPDT relay with a TTP223 touch sensor to run AC appliances using an Arduino UNO is a process of controlling an AC appliance using an Arduino microcontroller and an SPDT relay. … Read more
Touch Sensor Toggle Relay – Arduino Tutorial
Introduction Controlling a 5V SPDT Relay with a TTP223 capacitive touch sensor is a simple and efficient way to operate AC appliances using an Arduino UNO microcontroller. The TTP223 capacitive touch sensor is a small, … Read more
Relay with Touch Control – Arduino Tutorial
Introduction A password-controlled 5V SPDT relay using a 16-key 4×4 membrane switch keypad and an Arduino UNO microcontroller is a powerful and versatile system that can be used for a wide range of applications. This … Read more
Keypad with Relay – Arduino Tutorial
Introduction Interfacing a 4-channel relay with an Arduino Uno is a simple and efficient way to control AC/DC appliances. A relay is an electrically operated switch that can be controlled by an Arduino board, allowing … Read more
4-Channel Relay Module – Arduino Tutorial
Introduction Interfacing a 5V SPDT relay module with an Arduino UNO microcontroller is an efficient and versatile solution for controlling AC appliances. The relay module acts as an electronic switch that can be controlled by … Read more