#include <Wire.h>
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x12,16,2);

void setup ()
{
lcd.init();
lcd.backlight();
lcd.setCursor(0,0);
lcd.print("hallo");
lcd.setCursor(0,1);
lcd.print("hi");
}

void loop()
{
lcd.scrollDisplayLeft();
delay(100);
}