Hardware Support: DCC Specialties Products



These can do a lot of things, but it can require some work to configure them.
Documentation
Third Party info
Brett Scott and Denny Whitaker have written JMRI scripts to assist with programming these, and provided a nice writeup of how to use them. The writeup also covers how they document their layout, and discusses the pros and cons of several ways of connecting the Hare and Wabbit.
You can download their scripts from the JMRI web site, and it also available in the sample scripts directory in the JMRI downloads.