RtDrive Dcc-Ex allow you to drive your locomotives and manage accessories, routes of your layout via the Dcc-Ex command station built with Arduino Mega. You can also read or write Cv from decoders . Dcc++ command station is a DIY project to build a digital command station. Compatible with Dcc-Ex Comand stations You can build your own Dcc++ or Dcc-Ex command station with an Arduino Mega. There is many video on Youtube explaining how to construct the Dcc-Ex command station. Use Online Help from the "About" in the application to know how to build your own Dcc-Ex command station.