I'm surprised at all of the responses-- sorry I haven't checked back here in a while.For all of those interested in this sort of thing, here's what I've found out:Cutlunch: Yes, I'm amazed that I got it working too, with what I know now. The dimmer that I got to activate was an old Strand...
I'm attempting to expand our current lighting system by another 50 channels or so by hooking up a computer and using the parallel port to control the dmx. What I've done so far:
Wrote a program in Turing (as a prototype) to output to the parallel port (using pin 1 as high, and pin 2 as low)...