Usa RC de RF

  #include <RCSwitch.h>
  RCSwitch mySwitch = RCSwitch();
  unsigned long Received;
  #define LED1 3                       // LED1 na porta 3
  #define LED2 4                       // LED1 na porta 4
  //----------------------------------------------------------
  void setup()
  {
    Serial.begin(9600);
    mySwitch.enableReceive(0); // Receiver on inerrupt 0 => that is pin #2
  }
  //----------------------------------------------------------
  void Aciona()
  {
    switch (Received)
    {
      case 5633795:
      {
        digitalWrite(LED1 , 1);
        break;
      }
      case 5633804:
      {
        digitalWrite(LED2 , 1);
        break;
      }
    }
  }
  //----------------------------------------------------------
  void loop()
  {
    if (mySwitch.available())
    {
      int value = mySwitch.getReceivedValue();
      if (value == 0)
      {
        Serial.print("Unknown encoding");
      }
      else
      {
        Serial.print("Received ");
        Serial.print( mySwitch.getReceivedValue() );
        Received =( mySwitch.getReceivedValue() );
        Aciona();
        Serial.print(" / ");
        Serial.print( mySwitch.getReceivedBitlength() );
        Serial.print("bit ");
        Serial.print("Protocol: ");
        Serial.println( mySwitch.getReceivedProtocol() );
      }
      mySwitch.resetAvailable();
    }
  }