Description
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
