Sound Sensor

Sound_sensor_code

// Arduino Based Laser Sensor
// By Nillakash34
// nillakash34@gmail.com
// fb.com/nillakash34

int led = 13;
int threshold = 490;            //You Can Change This
int volume;

void setup() {                
  pinMode(led, OUTPUT);
  Serial.begin(9600);           // For debugging
}

void loop() {
  volume = analogRead(A0);      // Reads the value from the Analog PIN A0
  
  if(volume>=threshold){
    digitalWrite(led, HIGH);    //Turn ON Led
    delay(100);
  }  
  else{
    digitalWrite(led, LOW);     // Turn OFF Led
  }

}