#define led 2
#define ldr 13

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

void loop() {
  if(analogRead(ldr) >= 1001){
    digitalWrite(led, HIGH);
  } else{
    digitalWrite(led, LOW);
  }
   Serial.println(analogRead(ldr));
}