#include<LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);
const int trigPin = 13;
const int echoPin = 12;
long duration;
int jarakCm, jarakinc;

void setup() {
  // put your setup code here, to run once:
  lcd.begin(16, 2);
  Serial.begin(9600);
  pinMode(trigPin, OUTPUT); 
  pinMode(echoPin, INPUT); 
}

void loop() {
  // put your main code here, to run repeatedly:
  digitalWrite(trigPin, HIGH); 
  delayMicroseconds(1);
  digitalWrite(trigPin, LOW); 

  duration = pulseIn(echoPin, HIGH); 
  jarakCm = duration * 0.034 / 2;
  jarakinc = duration * 0.0133 / 2;

  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Distance : ");
  lcd.print(jarakCm);
  lcd.print(" cm"); 
  lcd.setCursor(0,1);
  lcd.print("Distance : ");
  lcd.print(duration);
  lcd.print(" dur"); 
  lcd.setCursor(0,2);
  lcd.print("Distance : ");
  lcd.print(jarakinc);
  lcd.print(" inc"); 
  delay(500); 
}