Peter Todd wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > On Fri, Feb 08, 2008 at 02:48:31PM -0600, Mike Hord wrote: > >> DO NOT use red/orange/green colors of one LED to send >> your user data. >> >> I'm working with a Newport motion controller and the only >> user feedback it offers is via RS-232 or one single LED >> which varies between red, orange, and green. >> >> Or, as I see it, on, on, and on. >> >> I know we've discussed this before but it bears repeating. >> > > Color-blindness right? > > How about blink-codes? > I dislike blink codes. "Fast blinking = X slow blinking = Y" well is that flashing there fast or slow? perhaps combine both? -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist