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

LiquidCrystal_I2C lcd(0x27, 16, 2);

void setup() {

  lcd.init();
  lcd.backlight();
  //lcd.noBacklight();
}

void loop() {

  lcd.setCursor(0, 0);
  lcd.print("Hallo Welt");
  lcd.setCursor(0, 1);
  lcd.print("Viel Erfolg");
}