int trig = 14;
int echo = 12;
int distance;
void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  pinMode(trig, OUTPUT);
  pinMode(echo, INPUT);
  pinMode(13, OUTPUT);
}

void loop() {
  digitalWrite(trig, HIGH);
  delay(100);
  digitalWrite(trig, LOW);
  int reading = pulseIn(echo,HIGH);
  distance = (reading*0.034/2)+1;
  Serial.println(distance);
  if(distance > 200)
    digitalWrite(13, HIGH);
  else
    digitalWrite(13, LOW);
  // put your main code here, to run repeatedly:
 // this speeds up the simulation
}