Manolator
From OpenDMX.net
Link: http://www.freedmx.com/
The Manolator is a free DMX interface which provides up to 256 DMX channels.
It's a Do-It-Yourself project, and is based on a PIC microcontroller.
The USB plug is only used to get a 5 V supply from the PC, and it can be taken from a PS/2 port as well
