#include <Arduino.h>
#include <LiquidCrystal_PCF8574.h>
#include <Wire.h>
LiquidCrystal_PCF8574 lcd(0x27);
void setup()
{
lcd.begin(16,2);
}
void loop()
{
lcd.setBacklight(255);
lcd.print("Hello LCD");
delay(3000);
lcd.home();
lcd.clear();
lcd.setBacklight(0);
}