int trig = 14;
int echo = 27;
int distance;
void setup() {
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
pinMode(trig, OUTPUT);
pinMode(echo, INPUT);
}

void loop() {
  digitalWrite(trig, HIGH);
  Serial.println("signal went");
  delay(1000);
  digitalWrite(trig, LOW);
  distance=pulseIn(echo, HIGH);
  Serial.println("Signal received");
  int c = (distance*0.034/2);
  Serial.println(c);
  delay(1000); // this speeds up the simulation
}