Sound Sensor

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)

Dimension

Development Resources
Wiki :www.waveshare.com/wiki/Sound_Sensor
Package Content

Sound Sensor x1
4-pin custom connector jumper wire x1