public MeadowApp() { Console.WriteLine("Initialize hardware..."); _rfidReader = new IDxxLA(Device, Device.SerialPortNames.Com1); // subscribe to event _rfidReader.RfidRead += RfidReaderOnTagRead; // subscribe to IObservable _rfidReader.Subscribe(new RfidObserver()); _rfidReader.StartReading(); Console.WriteLine("Ready..."); }