The Sound Sensor Module is a compact microphone-based sensor that detects sound levels in the environment. By converting audio signals into electrical pulses, it can easily be used to trigger actions such as turning on lights with a clap, activating alarms, or controlling smart devices. Compatible with Arduino, ESP32, Raspberry Pi, and other microcontrollers, this module is widely used in DIY electronics, home automation, robotics, and interactive projects. Affordable and beginner-friendly, it’s an excellent choice for students and hobbyists in Bangladesh who want to explore sound-based automation.