#include <LiquidCrystal_I2C.h>

#define I2C_ADDR    0x27
const byte PIN_TRIG = 25;
const byte PIN_ECHO = 26;
const byte LCD_COLUMNS = 16;
const byte LCD_LINES = 2;

LiquidCrystal_I2C lcd(I2C_ADDR, LCD_COLUMNS, LCD_LINES);

void setup() {
  Serial.begin(115200);
  pinMode(PIN_TRIG, OUTPUT);
  pinMode(PIN_ECHO, INPUT);
  lcd.init();
  lcd.backlight();
}

void loop() {
  lcd.clear();
  // Start a new measurement:
  digitalWrite(PIN_TRIG, HIGH);
  delayMicroseconds(10);
  digitalWrite(PIN_TRIG, LOW);
  // Read the result:
  int duration = pulseIn(PIN_ECHO, HIGH);
  lcd.setCursor(0, 0);
  lcd.print("Jarak: " + String(duration / 58) + " Cm");
  lcd.setCursor(0, 1);
  lcd.print("Jarak: " + String(duration / 148) + " Inch");
  delay(1000);
}