esp/arduino/sketchDistanceUltrasonicSerial.ino

#include "Ultrasonic.h"
Ultrasonic capteur(8,9); // Trig et Echo
 
void setup() {
  Serial.begin(9600);
  pinMode (11, OUTPUT);
  pinMode (12, OUTPUT);
}

void loop () {
  int dist = capteur.Ranging(CM);
  Serial.print(dist);
  Serial.println(" cm");

  delay(100); // 100 ms
}