well,
as i understand you want to use these bar to display an Variable value. Which kind of display you need. Full bar or only 1 led at the time ???
I assume you'll use full bar display. In this case you can use serial shift register in cascade to give you all outputs pins you need and use an trivial serial output to them. this should work as you wish. or, more simple use PIC16F871 with up to 33 i/o lines.
regards
Last edited by mister_e; - 14th October 2004 at 22:19.
Steve
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