#define THRESHOLD 2045

const int LDR_PIN = 2;

void setup() {
  Serial.begin(115200);
  pinMode(LDR_PIN , INPUT);
}

void loop() {
  int ldrValue = analogRead(LDR_PIN);
  Serial.println("Ldr Value = ");
  Serial.print(ldrValue);
  if(ldrValue<THRESHOLD){
    Serial.println("Light!");
  }else {
     Serial.println("Dark!");
  }
  delay(1000); // this speeds up the simulation
}