It is a low cost and reliable USB DMX interface which opens door to advanced lighting programming and control offered by respected software such as QLC+ (recommended), FreeStyler and DMX Control.
The uDMX is built around an inexpensive Atmel Atmega8 Microprocessor, using only very few external parts, thanks to the excellent firmware only the USB driver is from obdev.at, everything can be crammed into a Neutrik XLR Connector. Please visit the below links for details.
uDMX is open source software and some users also managed to create some extensions for uDMX.
Everyone who uses the uDMX interface should pay credit to Anyma who is the creator of uDMX and offered it free of charge for private and commercial use.