#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C kaitoujoker(0x27, 16, 2);
float duration, distance;
int trig = 12;
int echo = 14;
void setup() {
  pinMode(trig, OUTPUT);
  pinMode(echo, INPUT);
  kaitoujoker.init();
  kaitoujoker.backlight();
}

void loop(){
digitalWrite(trig, HIGH);
delay(10); // can use --delayMicroseconds();--
digitalWrite(trig, LOW);
duration = pulseIn(echo, HIGH);
distance = 0.017 * duration;


  kaitoujoker.setCursor(0,0);
  kaitoujoker.print("Distance :");
  kaitoujoker.print(distance);
  kaitoujoker.print("cm");

  kaitoujoker.setCursor(3,1);
  kaitoujoker.print("Duration");
  kaitoujoker.print(duration);
  delay(500);
  kaitoujoker.clear();

}