int threshold = 600;

void setup() {
  pinMode(A0, INPUT);
  pinMode(12, OUTPUT);
  Serial.begin(9600);
}

void loop() {
  int ldrStatus = analogRead(A0);

  if (ldrStatus <= threshold) {
    digitalWrite(12, HIGH);
    // Serial.print("Its Dark Turning Led on the LED ");
    Serial.println(ldrStatus);
  }
  else {
    digitalWrite(12, LOW);
    // Serial.print("Its Bright, Turn off Led ");
    Serial.println(ldrStatus);
  }

  delay(1000);

}