#include <LiquidCrystal.h>

LiquidCrystal lcd(12,11,5,4,3,2);

void setup() {
    lcd.begin(16,1);
    pinMode(9, OUTPUT); // set digital pin 9 as output
}

void loop() {
    int i;

    lcd.setCursor(0,0);
    lcd.print("selamat datang di kelas xii.8");
    for (i = 0 ; i < 16; i++) {
        lcd.scrollDisplayLeft();
        delay(300);
    }

    digitalWrite(9, HIGH);
    delay(500);
    digitalWrite(9, LOW);
    delay(500);
}