#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 16, 2);

byte smile[8] = {
  B10101,
  B00000,
  B00000,
  B10001,
  B00000,
  B00000,
  B10001,
  B01110,
};

void setup()
{
  lcd.init();
  lcd.backlight();

  lcd.createChar(0, smile);

  lcd.setCursor(0, 0);
  lcd.print("Hello");
  lcd.setCursor(3, 1);
  lcd.print("World!");

  lcd.setCursor(15, 0);
  lcd.write(byte(0));
}

void loop()
{
}