const int button1 = 8 ;
const int button2 = 2 ;
byte tombol1 ;
byte tombol2 ;

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

void setup() {

pinMode (button1,INPUT_PULLUP);
pinMode (button2,INPUT_PULLUP);

lcd.begin (16,2);
}

void loop() {

tombol1 = digitalRead (button1);
tombol2 = digitalRead (button2);

if(tombol1 == LOW){
  lcd.clear();
  lcd.setCursor(2,0);
  lcd.print ("TOMBOL MERAH");}

if(tombol2 == LOW){
  lcd.clear();
  lcd.setCursor(5,1);
  lcd.print("AKTIF");
}
}