#include "LiquidCrystal_I2C.h"
#include <Wire.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);

#define BSET A0
#define BENT A1
#define BDN A2
#define BUP A3

#define PRESSED LOW

void setup() {
  lcd.init();
  lcd.backlight();
  lcdPrint(0, 0, "!!Hallo World!!!");

  pinMode(BSET, INPUT_PULLUP);
  pinMode(BENT, INPUT_PULLUP);
  pinMode(BDN, INPUT_PULLUP);
  pinMode(BUP, INPUT_PULLUP);

}

void loop() {
if (digitalRead(BSET) == PRESSED){
  lcdPrint(0, 1, "   Tombol SET   ");
  }else if (digitalRead(BENT) == PRESSED){
  lcdPrint(0, 1, "   Tombol ENTER ");
 }else if (digitalRead(BDN) == PRESSED){
  lcdPrint(0, 1, "   Tombol DOWN  ");
  }else if (digitalRead(BUP) == PRESSED){
  lcdPrint(0, 1, "   Tombol UP    ");
 } else {
  lcdPrint(0, 1, "----------------");
}


}