Sorry, I have probably missed something, but how hard would it be to latch the outputs for each 7-seg display with something like HC374's between calls to them? It would increase power consumption, but it sure would make the flicker die. You could refresh at 10 Hz and it would look fine. Brendan Moran ----- Original Message ----- From: "Pic Dude" To: Sent: Thursday, June 13, 2002 11:54 AM Subject: Re: [PIC]: Pet feeder done! > Display multiplexing -- at 32.768Mhz, there is bad flicker. At > 131.072kHz there is noticeable flicker, but not too bad -- sort of > like a fluorescent bulb, where occasionally you can see the flicker. > 1Mhz would cure that for sure. > Yes, I've tweaked and tweaked and tweaked to try and reduce the > loop time and the display transition time. > I'm thinking even 200khz might do the trick though. > Cheers, > -Neil. -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.