Waveshare Sound Sensor Module w/ LM386 Amplifier & 4-Pin Cable
The Waveshare Sound Sensor is a compact audio detection module featuring the LM386 low-voltage power amplifier, designed for 3.3V to 5.3V systems like Arduino, Raspberry Pi, and ESP32. It provides amplified signal output for ambient sound detection and audio signal processing applications.
Features
- Onboard LM386 low-power audio amplifier with adjustable gain up to 200x
- Wide operating voltage range from 3.3V to 5.3V for microcontroller compatibility
- Integrated microphone with 52dB sensitivity and 50Hz–20kHz frequency response
- Compact PCB design (34.5mm x 18.5mm) with M2.0 mounting holes
- Includes 4-pin connector Jumper wire for immediate prototyping
Out of stock
The Waveshare Sound Sensor module integrates an electret microphone with the LM386 monolithic audio power amplifier IC. This configuration provides a conditioned analog output signal, suitable for direct ADC input on microcontrollers. The LM386 is characterized by its low quiescent current draw, wide supply voltage range, and minimal external component requirements, making it ideal for embedded sound detection systems.
The module’s frequency response from 50Hz to 20kHz covers the typical audio spectrum, while the onboard potentiometer allows for precise adjustment of signal gain and sensitivity. An LED indicator provides visual feedback on signal activity. Its compact form factor and standard mounting holes facilitate integration into enclosures and robotic platforms.
Additional Information
| Weight | 0.007 kg |
|---|---|
| Dimensions | 3.45 × 1.85 cm |
