#define Dark HIGH
#define Light LOW

const int ldrpin = 13;

void setup() {
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  pinMode(ldrpin, INPUT);
}

void loop() {
  delay(10);
  int lightstatus = digitalRead(ldrpin);
  if(lightstatus == Dark){
    Serial.print("Dark");
  }else{
    Serial.print("Light");
  }
}