At 01:25 PM 5/4/2003 -0500, you wrote: >Looking for chips /chip set for >large LED displays. > >Any recommendations will be helpful Not much different from small LED displays except that very large digits often use series LED strings, so you have to deal with higher voltages, at least on the high side drivers. What exactly is your problem? If you expect to find a controller that directly drives a higher voltage display, I think you're out of luck, but you could add-on to existing $controller$, or use a PIC. I'd suggest the latter, of course. Best regards, Spehro Pefhany --"it's the network..." "The Journey is the reward" speff@interlog.com Info for manufacturers: http://www.trexon.com Embedded software/hardware/analog Info for designers: http://www.speff.com -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.