Arduino

int ping_cm()

{

  digitalWrite(TRIG, LOW);

  delayMicroseconds(5);

  digitalWrite(TRIG, HIGH);

  delayMicroseconds(10);

  digitalWrite(TRIG, LOW);

  // Écoute de l'écho

  int temps = pulseIn(ECHO, HIGH);

  // Calcul de la distance

  int distance = temps * 0.034 / 2;

  return distance;

}

int ping_cm()
{
  digitalWrite(TRIG, LOW);
  delayMicroseconds(5);
  digitalWrite(TRIG, HIGH);
  delayMicroseconds(10);
  digitalWrite(TRIG, LOW);

  // Écoute de l'écho
  int temps = pulseIn(ECHO, HIGH);

  // Calcul de la distance
  int distance = temps * 0.034 / 2;
  return distance;
}