#include <LiquidCrystal_I2C.h>
#include <Keypad.h>
const int BARIS = 4;
const int KOLOM = 4;
String pr = "Press : " ;
char keys[BARIS][KOLOM] = {
  {'1','2','3','A'},
  {'4','5','6','B'},
  {'7','8','9','C'},
  {'*','0','#','D'}
};

LiquidCrystal_I2C lcd(0x27,20,4);

byte rowPins [BARIS] = {14,12,19,18};
byte colPins [KOLOM] = {5,4,2,15};
Keypad keypad = Keypad( makeKeymap(keys), rowPins, colPins, BARIS, KOLOM);

void setup() {
  lcd.init();                      
  lcd.backlight();  
}

void loop() {
  char key = keypad.getKey();

  if (key != NO_KEY){
    lcd.setCursor(0,0);
    lcd.print( pr + key);
  
  }

}