const int led = 23;
const int ldr = 2;
int range = 1000;
void setup() {
  
  Serial.begin(115200);
  pinMode(led, OUTPUT);
  pinMode(ldr, INPUT);
}

void loop() {
  int status = analogRead(ldr);
  if(status <= range)
  {
    digitalWrite(led, LOW);
    Serial.println("light of ");
  }
  else
  {
    digitalWrite(led, HIGH);
    Serial.println("light on ");
  }
}