Programa 1

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

LiquidCrystal_I2C lcd(0x27,16,2);

void setup() {
  lcd.init();
  lcd.backlight();
  lcd.clear();
  lcd.setCursor(3,0);
  lcd.print("Hola Mundo");
}

void loop() { 
}