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

LiquidCrystal_I2C lcd(0x27, 16, 2);

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

void loop()
{
lcd.setCursor(2,0);
lcd.print("This is a LCD");
lcd.setCursor(2,1);
lcd.print("Screen Test");
delay(3000);
lcd.clear();
}