#include <Ultrasonic.h>

const int trigPin = 5; 
const int echoPin = 18; 

Ultrasonic ultrasonic(trigPin, echoPin);

void setup() {
  Serial.begin(9600);
}

void loop() {
  
  float distanceCm = ultrasonic.read();
  
  float distanceInch = distanceCm * 0.393701; 

  Serial.print("Distance (cm): ");
  Serial.println(distanceCm);
  Serial.print("Distance (inch): ");
  Serial.println(distanceInch);

  delay(1000); 
}