#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 20, 2);

void setup() {
  // Encender la pantalla
  lcd.init();
  lcd.backlight();
}


void loop() {
  lcd.setCursor(0, 0);
  lcd.print("Hola");
  delay(500);
  lcd.setCursor(0, 0);
  lcd.print("Adios");
  delay(500);
  lcd.clear();
  }