Yamaha DTXpress/DTXplorer/DTXtreme

I'm cross-posting this from the DTXtreme forum, as it looks rather 
useful for soldering-iron wranglers:

--- In Hartdrums@yahoogroups.com, "Andy" <afmayer@r...> wrote:
> Try (links below) for a DIY TCM6. MIDI can access, for example,
> a Sound Blaster's MIDI sounds. Tiger direct.com sells an 
> electronic drumset on this principle
> ( http://www.tigerdirect.com/applications/searchtools/item-
details.asp?EdpNo=462102&sku=B133-1058).
> 
> I have a Hart Studio Master 5.3T with a Roland TD8 and love
> it.  I plan on using one of these designs to add more
> trigger inputs.
> 
> Andy

Links are:

http://www.terra.es/personal4/admir_s/
http://www.pjrc.com/tech/midi-drums/features.html
http://www.paia.com/midibrn.htm