TesteRCB

String Rui = "";
//-----------------------
void setup()
{
  Serial.begin(9600);
}
//-----------------------
void loop()
{
  if (Serial.available())
  {
    char a = Serial.read();
    if (a != '%')
    {
      Rui += a;
    }
    else
    {
      int valorLedAnalogico = Rui.toInt();
      Serial.println(valorLedAnalogico);
      Rui = "" ;
    }
  }
}