const int soundPin = A1; // Analog pin for sound sensor
const int ledPins[] = {11, 10, 13, 12}; // Pins for the LEDs

void setup() {
  pinMode(soundPin, INPUT);
  for (int i = 0; i < 4; i++) {
    pinMode(ledPins[i], OUTPUT);
  }
}

void loop() {
  int soundValue = analogRead(soundPin);
  
  // Map the sound value to control the LEDs
  int mappedValue = map(soundValue, 0, 1023, 0, 3);
  
  // Turn on LEDs based on sound level
  for (int i = 0; i < 4; i++) {
    if (i <= mappedValue) {
      digitalWrite(ledPins[i], HIGH);
    } else {
      digitalWrite(ledPins[i], LOW);
    }
  }
}