#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 16, 2);

const int trigpin = 5;
const int echopin = 6;
long timer;
int jarakcm;
int jarakinch;

void setup() {
  Serial.begin(9600);
  pinMode(trigpin, OUTPUT);
  pinMode(echopin, INPUT);
  lcd.init();
  lcd.backlight();
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Nama : Johsua");
  lcd.setCursor(0, 1);
  lcd.print("NIM : 223611044");
  delay(4000);
  lcd.clear();
}

void loop() {
  digitalWrite(trigpin, LOW);
  delayMicroseconds(2);
  digitalWrite(trigpin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigpin, LOW);

  timer = pulseIn(echopin, HIGH);
  jarakcm = (timer / 2) / 29.1; // Konversi ke cm
  jarakinch = timer * 0.01365 / 2; // Konversi ke inch

  Serial.print("Jarak dalam cm: ");
  Serial.println(jarakcm);
  Serial.print("Jarak dalam inch: ");
  Serial.println(jarakinch);

  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Jarak:");
  lcd.print(jarakcm);
  lcd.print("cm");

  lcd.setCursor(0, 1);
  lcd.print(jarakinch);
  lcd.print(" inch");

  delay(1000);
}