#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C LCD = LiquidCrystal_I2C(0x27, 16, 2);

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

void loop() 
{
  LCD.setCursor(0,0);
  LCD.print("Ola!");
  delay (1000);
  
  LCD.setCursor(0,1);
  LCD.print("Teste Display");
  delay (1000);
  
  LCD.clear();
  delay(500);
}