#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);
void setup() {
  // put your setup code here, to run once:
  lcd.init();
  lcd.clear();
  lcd.backlight();
  lcd.setCursor(0, 0);
  lcd.print("Hello World!");
  lcd.setCursor(0, 1);
  lcd.print("I2C LCD Test");
}
void loop() {
  // put your main code here, to run repeatedly:
}