20pcs Microphone Noise Decibel Sound Sensor Measurement Module 3p / 4p interface

Features
– This module can be connected to the analog I / O port,
– when speaking to the microphone, the analog value will be changed.
– A recorder can be made by reading and saving the analog value.
Specifications
Brick Type
Sensor Brick
Brick Interface
3PIN
Brick Power Supply
5V
Board Size
33 * 14 * 1.6mm
Parameter
Min.
Typical
Max.
Unit
Working voltage
4.5
5
5.5
VDC
Digital output voltageVCC=5V
0
–
5
V
Working current5V
–
260
–
uA
Frequency range
100
–
10000
Hz
Sensitivity
–
-50
–
dB
DEMO
Connect S port of electronic brick of microphone to A0 port of for , and we will use the following program to read the analog value. When the value exceeds the threshold, the LED indicator will flash.
1const int ledPin = 13; // the number of the LED pin
2const int thresholdvalue=400; //The threshold to turn the led on
3void setup()
6void loop()
Package Included
20 x Microphone Noise Decibel Sound Sensor Measurement Module

Additional information