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Relay Module Pin Connections Explained (Simple!)

🔌 Relay Module Pins Identification and Connection Guide 🔌 In this tutorial, we'll dive into the world of relay modules and explore how to identify their pins and connect them effectively. Whether you're an Arduino enthusiast or a DIY electronics hobbyist, understanding relay modules is essential for controlling high-voltage devices with low-voltage microcontrollers. 1. What is a Relay Module? A relay is an electrically operated switch that can be turned on or off. It allows current to flow (or not) based on control signals from low-voltage sources like Arduino pins. Our focus will be on relay modules with two channels (those blue cubes), but there are other variants with one, four, or eight channels. 2. Relay Module Pinout: High-Voltage Side (Left Pins): COM (Common): Connects to the common terminal of your load (e.g., a lamp or motor). NC (Normally Closed): The relay is closed by default, allowing current flow. It opens when signaled by the Arduino. NO (Normally Open): The relay is open by default, breaking the circuit. It closes when signaled by the Arduino. Low-Voltage Side (Right Pins): IN1 and IN2: Control the bottom and top relays, respectively. VCC and GND: Power up the module. JD-VCC: Powers the relay's electromagnet (note the jumper cap connecting VCC and JD-VCC). 3. Practical Applications: Learn how to wire relay modules to Arduino boards. Create projects like home automation, smart lighting, or motor control. Understand when to use normally closed or normally open configurations. By the end of this video, you'll be ready to incorporate relay modules into your electronic projects. Subscribe, hit that bell icon, and let's dive into the fascinating world of relay control! 🚀 #Electrotonics,electronics,electrotonics,diy,diyelectronics,projects,repair,repair #maintenance,appliences,homemade,18650,battery,module,Converter,inverter,buck,buck Converter,#innovation,treasure,how,how to,useful,DIYProjects,automatic,Education,educational,science and technology,#technology,transformer,transformers,Regulator,lm317,#relay module pins identification & connection guide,#relay,#8 pin relay,automotive relay,#Relay Module Pins Identification & Connection Guide,relay module Remember to like, share, and leave your questions in the comments section. Happy tinkering! 🛠️ On this channel i upload videos about electrical and electronics basics,circuits and repair Maintenance of daily life components and appliances feel free to comment and please like share and subscribe.. To subscribe my channel click the link below 👇    / @electro-tonics