#include <SoftwareSerial.h>  
SoftwareSerial bluetooth(11, 12); // RX, TX
void setup(){  
  Serial.begin(9600);
  bluetooth.begin(9600);  // Start bluetooth serial at 9600
  bluetooth.println("O que vc escreve aqui, sai lá!!!");
  Serial.println("O que vc escreve aqui, sai lá!!!");  
}void loop() {
  // check if data has been sent from the computer:
  if (bluetooth.available())
    Serial.write(bluetooth.read());
  if (Serial.available())
    bluetooth.write(Serial.read());     
}