Waveshare Sound Sensor

Waveshare Sound Sensor at Samm Market !

Overview

•  * Onboard audio power amplifier LM386
•  * Audio signal gain up to 200
•  * Adjustable accuracy
•  * Signal output indicator

Specifications

•  * Mic sensitivity : 52dB
•  * Frequency range : 50Hz ~ 20KHz
•  * Power: 3.3V ~ 5.3V
•  * Mounting holes size: 2.0mm

Applications

•  * Audio amplifier
•  * Ambient sound detection
•  * Sound level detection (unable to get exact dB value)

How to Use

In the case of working with a MCU:

•  * VCC ↔ 3.3V ~ 5.3V
•  * GND ↔ power supply ground
•  * AOUT ↔ MCU.IO (analog output)
•  * DOUT ↔ MCU.IO (digital output)