Arduino Sound Detection Sensor

 

Arduino Sound Detection Sensor Modul LM393

Parts Required:

–  Arduino NANO v3.0
–  Sound Detection Sensor Modul LM393
–  LED (1)
–  Wires to connect it all together

 

Arduino Code:

// Example by Hisham Marzouk
// Officialhrm.com

int LED = 3;
int brightness = 0;
int fadeAmount = 1;

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

void loop() {
int statusSensor = analogRead(A1);

if(statusSensor > 800){

for(int i = 0; i < 255; i++){
analogWrite(LED, brightness);
brightness = brightness  + fadeAmount;
if (brightness <= 0 || brightness >= 255) {
fadeAmount = –fadeAmount ;
delay(30);
}
Serial.println (brightness);
}
}
else{
digitalWrite(LED, LOW);
}
}

When the sensor detects sound, it processes an output signal voltage which is sent to a microcontroller then performs necessary processing.

 

 

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