#include <Wire.h>  
#include <LiquidCrystal_I2C.h> 
float trigPin = 11; 
float echoPin = 10; 
 
LiquidCrystal_I2C lcd(0x27,16,2);   
 
void setup() 
{ 
  Serial.begin (9600); 
  pinMode(trigPin, OUTPUT); 
  pinMode(echoPin, INPUT);   
  lcd.init();                        
} 
 
void loop() 
{ 
  lcd.backlight(); 
   
  int duration, distance; 
  digitalWrite(trigPin, HIGH); 
  delayMicroseconds(10); 
  digitalWrite(trigPin, LOW); 
 
  duration = pulseIn(echoPin, HIGH); 
  distance =(duration/2)/29,4117647; 
   
  lcd.setCursor(0,0); 
  lcd.print("Jarak Benda = "); 
  lcd.setCursor(0,1); 
  lcd.print("= "); 
lcd.print(distance); 
  lcd.print("cm"); 
  delay(1000); 
}