Sound Sensor

$5.49
QTY:

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

  • Ambient sound detection
  • Sound level detection

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)