The KY-037 Sound Sensor Module is a compact and affordable audio detection board designed for use with Arduino, Raspberry Pi, and other microcontroller platforms. It detects sound intensity from the environment and outputs both digital and analog signals, making it ideal for sound-activated projects, voice alerts, and noise level monitoring. π Key Features Microphone sound detection module Analog output (AO): represents sound intensity level Digital output (DO): triggered when sound crosses threshold Adjustable sensitivity potentiometer On-board indicator LED for visual sound trigger Standard 3-pin interface (VCC, GND, DO/AO) Easy connection to microcontrollers βοΈ Specifications Operating voltage: 3.3 V β 5 V DC Detection range: ambient sound levels Sensitivity: adjustable via onboard potentiometer Outputs: Analog (AO) and Digital (DO) π Typical Uses Sound-activated LED or buzzer projects Clap-activated switches Noise level triggering Interactive robotics and alarms Voice-responsive DIY electronics π¦ Package Includes 1 Γ KY-037 Sound Sensor Module A simple and effective sensor to add sound responsiveness to your electronics project, whether youβre building alarms, noise monitors, or interactive devices.