Teste

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

LiquidCrystal_I2C lcd(0x3F,2,3);

void setup()
{
 lcd.begin ();
}

void loop()
{
  lcd.setBacklight(HIGH);
  lcd.setCursor(0,0);
  lcd.print("Arduino e Cia !!");
  lcd.setCursor(0,1);
  lcd.print("LCD e modulo I2C");
  delay(1000);
  lcd.setBacklight(LOW);
  delay(1000);
}