AVR-Chat

On Fri, Jan 09, 2004 at 02:54:21PM +0100, himbA wrote:
> William Nachefski wrote:
> 
> >Anyone have any pointers on the best way to run a 6 digit, 7-seg LED 
> >display from a atmega8?  Do I need to use transistors to multiplex?

> I had a project that used 7-segment display some while ago, it was 
> somekind of timer that turned on/off a light and displayed time to 
> shutdown/power on, like min:sec on 7-seg. display. I have source code on 
> this site http://users.volja.net/himba/countdown-timer02-25-03.zip it is 
> written in C and could be compiled under linux, probably windows too, 
> and avrgcc...

> O, I used Maxim MAX7219 for driving LEDs

Is there a particular reason not to use the Mega8 to drive the display
directly? Are you short on I/O pins? Going up to a Mega16 gives you
more pins and other stuff as well.

-- 
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