Waveshare Audio Signal Amplifier Sound Sensor Module Sound Control Module Sound Detection Module LM386 For Arduino

Demo Board Type:ARM
Origin:CN(Origin)
ROM Capacity:None
Model Number:
Certification:NONE

Waveshare Audio Signal Amplifier Sound Sensor Module Sound Control Module Sound Detection Module LM386 For Arduino
Using audio processing chip LM386
Amplify the audio signal by 200 times
Adjustable sensitivity
Signal output indication
Audio amplification, detecting the presence or absence of environmental sound or judging the intensity of the sound (the specific decibels cannot be measured).
Microphone sensitivity: 52dB
Frequency band: 50Hz ~ 20KHz
Working voltage: 3.3V ~ 5.3V
Fixing hole size: 2.0mm
Interface description: (take access to MCU as an example)
VCC: Connect 3.3V ~ 5.3V
GND: Connect to GND
AOUT: connect to MCU.IO (analog output)
DOUT: connect to MCU.IO (digital output)
Colour: blue
Material: PCB+metal
Size: 34.4x18.6mm
Package Contents:
1 * Audio signal amplifier
Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.