Thanks David and Damian for the useful information, i guess Olaf Matthes told me sth. about the timing issue as well, where certain DMX dimmers refuse messages which don't come in a certain time frame, or otherwise synchronized pattern. Seems the Enttec USB Pro comes with a microcontroller on board which rearranges messages into that timing.
regards, PP Damian Stewart wrote: > David Kirkpatrick wrote: >> Hi Peter, >> >> The Open DMX has stability problems and the fading is jolty sometimes. >> Something to do with not being able to store an entire DMX frame at >> the same time I think. I read an article a while ago that explained >> the exact differences, but I can't seem to find it again. > > actually, the Open DMX is just a standard FTDI-based USB to serial > adapter with the outputs wired into a 5-pin DMX plug. in other words, > you could achieve exactly the same with a standard serial port, wiring > up the RX/TX lines into the right pins. this is all the Open DMX is on > the inside. the system driver takes care of the timing, and doesn't do a > very good job of it at all. > > definitely go with the Pro. > _______________________________________________ [email protected] mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list
