#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd (0x27, 16 , 2);
int trigpin = 2;
int echopin = 4;
int duration, distance;
void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  pinMode(trigpin, OUTPUT);
  pinMode(echopin, INPUT);

  lcd.init();
  lcd.backlight();
  
}

void loop() {
  digitalWrite(trigpin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigpin, LOW);

  duration = pulseIn(echopin, HIGH);
  distance = 0.017*duration;

  lcd.init();
  lcd.backlight();
  lcd.setCursor(0,0);
  lcd.print("Jarak");
  lcd.setCursor(0,1);
  lcd.print(distance);
}