int triger = 19;
int echo = 18;

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

void loop() {
  digitalWrite(triger, HIGH);
  delay(100);
  digitalWrite(triger, LOW);
  int reading = pulseIn(echo,HIGH);
  int distance = (reading*0.034/2);
  Serial.println(distance);
  // put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation
}