Hi , i would definetly state that QC lacks output to physical devices, such as lighting fixtures (or explosives...). DMX protocol is the mostly used in "pro" environments, nightclubs or festivals, theaters... However, most DMX usb cards that you can plug to your mac use a FTDI chip, which is crappy, and which is apparently from a company you had problems with... This has led the development of a potential " DMX usb" patch (for the enttec one that smokris owns) to nowhere... since it uses the serial port for communications.
After some chat with one of vvvv's DMX supergod (aka kalle), it just seems that the handier and easier protocol to deal with DMX is now Artnet, which uses UDP packets to transmit DMX information.
Have a look at this (quite cheap) card from Enttec, that takes UDP packets as an input and outputs DMX... http://www.enttec.com/index.php?main_menu=Products&prod=70305&show=descr... note that there are plenty other cards (from 100$ to 2000$) from other manufacturers.
So I'm thinking: if some really need DMX output from QC, how about considering an Artnet patch - that is virtually compatible with ANY artnet hardware ... ?
here's the ArtNet spec.: http://www.artisticlicence.com/WebSiteMaster/User%20Guides/art-net.pdf
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