Shopping Cart

Detailed Description:

The Sound Sensor Module is an essential tool for adding a layer of acoustic awareness to your electronics projects. This microphone-based sound detection module is designed to react to the presence and intensity of sound waves, making it an ideal choice for a wide variety of interactive and automated applications. With both a digital and analog output, it provides makers with flexible options for integrating sound into their circuits. The analog output (AO) provides a continuous, real-time voltage signal that is proportional to the sound's loudness, allowing for granular control and sound level monitoring. For simpler projects, the digital output (DO) provides a straightforward HIGH/LOW signal, which is activated whenever the detected sound surpasses a specific threshold.

A key feature of this module is the onboard potentiometer, which allows you to manually adjust the sensitivity of the sensor. This lets you precisely set the sound level threshold for the digital output, so you can filter out background noise or specifically trigger an action with a loud sound like a clap or a whistle. The module is built around a sensitive electret condenser microphone and a LM393 comparator chip, ensuring a stable and reliable signal. With a standard operating voltage of 3.3V to 5V, it is seamlessly compatible with popular microcontrollers like the Arduino and Raspberry Pi. From creating a clap-activated light switch to building a robot that reacts to noise, this versatile and affordable sound detection module empowers you to create projects that respond to their audible environment.

This Sound Sensor Module uses a high-sensitivity electret microphone to detect sound signals in the environment. It features both analog output (proportional to sound intensity) and digital output (via onboard comparator), making it suitable for sound-activated systems and real-time audio sensing in projects.

It's commonly used in Arduino-based sound control applications, like clap switches, noise alarms, home automation, and robotics. The onboard potentiometer allows sensitivity adjustment to fine-tune the digital trigger threshold.

Key Features:

• Built-in electret microphone for sound detection

• Analog output (AO) for sound wave intensity

• Digital output (DO) triggered by adjustable threshold

• Sensitivity adjustment via onboard potentiometer

• LED indicators for power and digital output state

• Compatible with Arduino, Raspberry Pi, ESP32, STM32

• Compact and easy to integrate into any DIY project

Technical Specifications:

How to Use:

1. Connect VCC, GND, DO, and/or AO pins to Arduino

2. Adjust sensitivity using the potentiometer

3. Use DO for threshold-based events (e.g., clap switch)

4. Use AO to read real-time sound intensity via ADC

Applications:

• Clap-controlled switches or robots

• Noise detection alarms

• Smart home sound-based automation

• Voice-activated lighting or gadgets

• Sound-activated door openers

• Security or intrusion detection

• Audio visualization in Arduino displays

Package Includes:

• 1 x Sound Sensor Module
  (Board only – requires microcontroller for operation)