int ldr=13;
int led=7;
int ldrvalue=0;

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

void loop() {
  // put your main code here, to run repeatedly:
  ldrvalue=analogRead(ldr);
  Serial.println(ldrvalue);
  if(ldrvalue<2000){
    digitalWrite(led,HIGH);
  }
  else{
    digitalWrite(led,LOW);
  }
  delay(10); // this speeds up the simulation
}