#include <LiquidCrystal.h>

const int rs = 7;   
const int en = 6;   
const int d4 = 12;  
const int d5 = 10;  
const int d6 = 9;   
const int d7 = 8;   

LiquidCrystal lcd(rs, en, d4, d5, d6, d7);

String txt="Hallo Nama Saya Adalah Arduino Mega";

void setup() {
 lcd.begin(16, 2);
}

void loop() {
 lcd.clear();
 lcd.setCursor(0, 0);
 lcd.print(txt);
 
 for (int positionCounter = 0; positionCounter <=txt.length() ; positionCounter++) {
    delay(500);
    lcd.scrollDisplayRight();
  }
}