int ldrPin = A0;

void setup() {
  // put your setup code here, to run once:
  pinMode(ldrPin, INPUT);
  Serial.begin(9600);
  delay(1000);


}

void loop() {
  // put your main code here, to run repeatedly:
  int temp = analogRead(A0);
  Serial.println(temp);

  if (temp>=0 && temp<=500)
  {
    digitalWrite(10, HIGH);
    digitalWrite(11, LOW);

  } 
  if (temp>=500 && temp<1024)
  {
    digitalWrite(10, LOW);
    digitalWrite(11, HIGH);

  }
  delay(1000);

}