// Define the LDR pin
int LDR_Pin = A0;

// Define the buzzer pin
int Buzzer_Pin = 8;
int LED = 9;

// Define the threshold value for the LDR
int Threshold_Value = 500;

void setup() {
  // Start serial communication
  Serial.begin(9600);

  // Set the buzzer pin as an output
  pinMode(Buzzer_Pin, OUTPUT);
  pinMode(LED,OUTPUT);
}

void loop() {
  // Read the LDR value
  int LDR_Value = analogRead(LDR_Pin);

  // Print the LDR value to the serial monitor
  Serial.println(LDR_Value);

  // Check if the LDR value is above the threshold
  if (LDR_Value > Threshold_Value) {
    // Sound the buzzer
    digitalWrite(Buzzer_Pin, HIGH);
  } else {
    // Turn off the buzzer
    digitalWrite(Buzzer_Pin, LOW);
    delay(100);
   digitalWrite(LED,HIGH);
   delay(50);
   digitalWrite(LED,LOW);
   delay(50);
  }
}