Elecbee Microphone Noise Decibel Sound Sensor Measurement Module 3p / 4p Interface for Arduino

SKU: EB0043581

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Key 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() {
4pinMode(ledPin, OUTPUT);
5}
6void loop() {
7 int sensorValue = analogRead(A0); //use A0 to read the electrical signal
8 if(sensorValue>thresholdvalue)
9digitalWrite(ledPin,HIGH); //if the value read from A0 is larger than 400,then light the LED
10 delay(200);
11 digitalWrite(ledPin,LOW);
12}

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Description

1 x Microphone Noise Decibel Sound Sensor Measurement Module

Microphone-Noise-Decibel-Sound-Sensor-Measurement-Module-3p--4p-Interface-Geekcreit-for-Arduino---pr-1553625

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