const int ldrPin = A0;   // Analog pin for the LDR sensor
const int ledPin = 13;   // LED connected to pin 13
const int buzzerPin = 9; // Buzzer connected to pin 9

void setup() {
  Serial.begin(9600);
  pinMode(ldrPin, INPUT);
  pinMode(ledPin, OUTPUT);
  pinMode(buzzerPin, OUTPUT);
}

void loop() {
  int ldrValue = analogRead(ldrPin);

  // Print the LDR value to the serial monitor
  Serial.print("LDR Value: ");
  Serial.println(ldrValue);

  // Check if the LDR value is below a threshold (adjust as needed)
  if (ldrValue < 300) {
    digitalWrite(ledPin, HIGH); // Turn on the LED
    tone(buzzerPin, 1000);       // Turn on the buzzer
    Serial.println("Dark environment detected!");
  } else {
    digitalWrite(ledPin, LOW);  // Turn off the LED
    noTone(buzzerPin);           // Turn off the buzzer
  }

  delay(1000); // Delay for readability
}