void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(14, OUTPUT);
  pinMode(26, INPUT);
}

void loop() {
  digitalWrite(14, HIGH);
  delay(120);
  digitalWrite(14, LOW);
  float a= pulseIn(26, HIGH);
  long distance =(a*0.034)/2;
  Serial.println(distance);
  // put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation
}