#define LDR_PIN 34 
#define LED_PIN 23 
#define BUZZER_PIN 22
#define THRESHOLD 300

void setup(){
  Serial.begin(115200);
  pinMode(LED_PIN, OUTPUT);
  pinMode(BUZZER_PIN, OUTPUT);

}

void loop(){
  int lightValue=analogRead(LDR_PIN);
  Serial.print("Light Value:");
  Serial.println(lightValue);

  if(lightValue< THRESHOLD){
    digitalWrite(LED_PIN, HIGH);
    Serial.println("LED ON");
    tone(BUZZER_PIN, 300);
    Serial.println("BUZZER ON");

  }else{
    digitalWrite(LED_PIN, LOW);
    Serial.println("LED OFF");
    noTone(BUZZER_PIN);
    Serial.println("BUZZER OFF");
    
  }
  delay(500);
}