No, this was meant as DA, not PWM. My mistake. > Well, it's controlling lights, so it needs to be quick enough so there > is no interference, and no flicker. I am not looking for an analog > output though, I am looking for actual PWM. I don't think this idea > would work...am I wrong? > Wouter van Ooijen wrote: > > Does the DA need to be quick? A kid on my club wanted to make an > > 18-channel DMX-to- 0..10 Volt, for which I suggested one DA (chip or > > R2R), one opamp, analog 1-to-18 switch, 18 caps, 10 opamps. > The details > > are left as an exercise... -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body