Waveshare Sound Sensor

Waveshare Sound Sensor
Overview
1. Onboard audio power amplifier LM386
2. Audio signal gain up to 200
3. Adjustable accuracy
4. Signal output indicator
Specifications
1. Mic sensitivity: 52dB
2. Frequency range: 50Hz ~ 20KHz
3. Power: 3.3V ~ 5.3V
4. Mounting holes size: 2.0mm
Applications
1. Audio amplifier
2. Ambient sound detection
3. Sound level detection (unable to get exact dB value)
How to Use
In the case of working with a MCU:
1. VCC: 3.3V ~ 5.3V
2. GND: Power supply ground
3. AOUT: MCU.IO (analog output)
4. DOUT: MCU.IO (digital output)
Package Contents
1. Sound Sensor x1
2. 4-pin custom connector jumper wire x1