Microphone Sensor Module in Pakistan

LM393 Sound Detection Microphone Sensor Module for Arduino detects whether the sound has exceeded a threshold value. The sound is detected via microphone and fed into an LM393 op-amp. The sound level setpoint is adjusted via an onboard potentiometer. When the sound level exceeds the setpoint, an LED on the module is illuminated and the output is sent low.

Specifications and Features :

1. Working voltage: DC 3.3-5V.
2. Dimensions: 36.5 x 17 x 10 (LxWxH)mm.
3. Signal output indication.
4. The output is digital.
5. Single-channel signal output.
6. With the retaining bolt hole, convenient installation.
7. Output low level and the signal light when there is sound.
8. Weight: 4 gm.

Note: This sensor only recognizes the availability of sound cannot identify the size of the sound or the specific frequencies of sound.

Attachments :

How to use?

Digital Output：
int Led=13;//define LED as interface
int buttonpin=3 //Define D0 Sensor as Interface
int val;//define numeric variables val
void setup()
{
pinMode(Led,OUTPUT);// Define LED as output interface
pinMode(buttonpin,INPUT);//Define D0 Sensor as output Interface
}
void loop()
{
val=digitalRead(buttonpin);//digital interface will be assigned a value of 3 to read val
if(val==HIGH)//When the light sensor detects a signal is interrupted, LED flashes
{
digitalWrite(Led,HIGH)
}
else
{
digitalWrite(Led,LOW)
}
}
2.Analog Output：
int sensorPin = A5; // select the input pin for the potentiometer
int ledPin = 13; // select the pin for the LED
int sensorValue = 0; // variable to store the value coming from the sensor

void setup() {
pinMode(ledPin, OUTPUT);
Serial.begin(9600);
}

void loop() {

sensorValue = analogRead(sensorPin);
digitalWrite(ledPin, HIGH);
delay(sensorValue);
digitalWrite(ledPin, LOW);
delay(sensorValue);
Serial.println(sensorValue, DEC);
}

Package Includes :

1 x LM393 Sound Detection Sensor Module.

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