const int lightSensorPin = A0;  // LDR connected to A0
const int soundSensorPin = A1;  // Sound sensor connected to A1
const int ledPin = 7;           // LED connected to pin 7

int lightSensorValue = 0;       // Variable to store the LDR value
int soundSensorValue = 0;       // Variable to store the sound sensor value

int lightThreshold = 300;       // Threshold for LDR to detect darkness
int soundThreshold = 500;       // Threshold value to simulate sound detection

void setup() {
  pinMode(ledPin, OUTPUT);      // Set LED pin as an output
  digitalWrite(ledPin, LOW);    // Turn off the LED initially

  Serial.begin(9600);           // Start serial communication for debugging
}

void loop() {
  lightSensorValue = analogRead(lightSensorPin); // Read the LDR value
  soundSensorValue = analogRead(soundSensorPin); // Read the sound sensor value

  // Display the light and sound values on the Serial Monitor for debugging
  Serial.print("Light: ");
  Serial.print(lightSensorValue); // Print light sensor value
  Serial.print(" | Sound: ");
  Serial.println(soundSensorValue); // Print sound sensor value

  // Check if sound is detected at any time
  if (soundSensorValue > soundThreshold) {
    Serial.println("Don't Disturb!"); // Display message in serial
  } 
  // Check if the room is dark and sound is not detected
  else if (lightSensorValue > lightThreshold || soundSensorValue > soundThreshold) {
    digitalWrite(ledPin, HIGH);   // Turn on the LED
  } 
  // If no conditions are met (well-lit room and no sound)
  else {
    digitalWrite(ledPin, LOW);    // Turn off the LED
  }

  delay(500); // Small delay for stability
}