#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 16, 2); // I2C address 0x27, 16 column and 2 rows

void setup() {
  lcd.init(); // initialize the lcd
  lcd.backlight();
}

void loop() {
 lcd.print("Hello World!");
 delay(10000);
}