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