We Have Them Both ... The 30M Raspberry Pi WSPR TX kit, or the assembled and tested version.
Look here here for more information on the kit.
Look here here for more information on the assembled and tested version.
Watch the DCC playlist for videos of the 2017 DCC -- YouTube Playlist.
To make it easy to find all the ARRL/TAPR DCC video that HamRadioNow has produced over 100 programs so far! They have created *this YouTube Playlist*.
All the programs are free to watch, and HamRadioNow is viewer supported through voluntary contributions on their web site.