#define THRESHOLD 2045 

const int LDR_PIN = 2;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(LDR_PIN, INPUT);
}

void loop() {
  int ldrValue = analogRead(LDR_PIN);

  Serial.print("LDR value =");
  Serial.println(ldrValue);
  
  if(ldrValue > THRESHOLD) {
    Serial.println("Dark!");
  } else {
    Serial.println("Light!");
  }
  delay(10); // this speeds up the simulation
}