const int soundSensorPin = 15;  

void setup() {
 
  Serial.begin(115200);
  pinMode(soundSensorPin, INPUT);
}

void loop() {
  int sensorValue = analogRead(soundSensorPin);
  float voltage = map(sensorValue, 0, 4095, 0, 3.3);  
  float decibels = 20 * log10(voltage / 0.1);  
  Serial.print("Sound Level (dB): ");
  Serial.println(decibels);
  delay(1000);  
}