👏 DIY Clap Switch – Control Devices with Sound! Imagine turning your light on or off with just a clap of your hands . Sounds cool? That’s exactly what a clap switch does. It’s a fun and useful DIY project using basic electronic components to control appliances by detecting sound. 🔍 What Is a Clap Switch? A clap switch is an electronic circuit that responds to a clap sound and toggles a device ON or OFF. It detects sound using a microphone , processes it using an amplifier and flip-flop logic , then activates a relay or LED . 🧪 Components Required Component Quantity Purpose Electret Microphone 1 Detects clap sound Transistors (BC547/BC548) 2 Signal amplification Resistors (1kΩ, 10kΩ, etc.) As needed Biasing and current limiting Capacitors (10µF, 100nF) 2–3 Filtering and signal coupling IC 4017 (Decade Counter) 1 Controls ON/OFF switching Relay Module or LED 1 Output control 5V–12V Power Supply 1 Circuit power Breadboard or PCB 1 Circuit mounting ⚙️ How It Works C...