LM393 Sound Sensor Module – Product Description
The LM393 Sound Sensor Module is a compact and highly sensitive sound detection module designed to detect audio signals and sound intensity in the surrounding environment. It uses a built-in electret microphone and the reliable LM393 voltage comparator IC to convert sound vibrations into digital and analog output signals, making it ideal for Arduino, ESP32, Raspberry Pi, and other microcontroller projects. The module features an adjustable sensitivity potentiometer, allowing users to set the sound detection threshold according to their application requirements.
Whether you're building a clap-controlled switch, noise monitoring system, sound-activated alarm, or interactive robotics project, the LM393 Sound Sensor Module provides a simple and cost-effective solution for sound detection.
Key Features
- High-sensitivity electret condenser microphone
- LM393 comparator for stable and reliable detection
- Adjustable sensitivity via onboard potentiometer
- Digital (DO) and Analog (AO) output options
- Compatible with 3.3V and 5V microcontrollers
- Built-in power and signal indicator LEDs
- Compact design for easy integration into projects
Technical Specifications
- Operating Voltage: 3.3V – 5V DC
- Comparator IC: LM393
- Output Type: Analog and Digital
- Operating Current: Approximately 4–5mA
- Frequency Response: Up to 16–20kHz
- Adjustable Detection Threshold
- Module Size: Approx. 37mm × 17mm × 10mm
Applications
- Clap switch projects
- Sound-activated lighting systems
- Security and alarm systems
- Voice and sound detection projects
- Smart home automation
- Interactive robotics
- Noise monitoring systems
- Educational electronics project
