#define sensor 13
#define led 2
void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  pinMode(sensor, INPUT);
  pinMode(led, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  int data = digitalRead(sensor);
  if (data == LOW) {
    Serial.println("Light is present...");
    digitalWrite(led, LOW);
  }
  else{
    Serial.println("Light is not present....");
    digitalWrite(led, HIGH);
  }
  delay(1000); // this speeds up the simulation
}