const int TRIG = 27;
const int ECHO = 14;

float distance;
long duration;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(TRIG, OUTPUT);
  pinMode(ECHO,INPUT);
}

void loop() {
  digitalWrite(TRIG,LOW);
  delayMicroseconds(10);
  digitalWrite(TRIG,HIGH);
  duration = pulseIn(ECHO,HIGH);
  distance = 0.017*duration;

  Serial.println("distance : "+String(distance));
  // put your main code here, to run repeatedly:
  delay(1000); // this speeds up the simulation
}