#include <Bonezegei_HCSR04.h>

#define TRIGGER_PIN 27
#define ECHO_PIN 26

Bonezegei_HCSR04  ultrasonic(TRIGGER_PIN, ECHO_PIN);
 void setup () {
  Serial.begin(115200);
  Serial.println("Hello, ultrasonic!");
}

void loop() {
   int d=ultrasonic.getDistance();
  Serial.print("Distance");
  Serial.print(d);
  Serial.println(" cm");
  delay(100);
  
}