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???
05/20/10 22:29
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#176090 - Hard to find errors
Responding to: ???'s previous message
40 LEDs means 6 outputs if using charlieplexing since you get 2^n-2 combinations from n pins.

But it will not be fun to locate an error if something doesn't work as expected.

List of 12 messages in thread
TopicAuthorDate
Multiple LEDs...            01/01/70 00:00      
   Shift registers            01/01/70 00:00      
      Thanks Per...            01/01/70 00:00      
   8-wide high side diver and 8-wide low side driver ...            01/01/70 00:00      
      Thanks Erik...            01/01/70 00:00      
         Charlieplexing            01/01/70 00:00      
      56 LEDs from one 8-bit port!            01/01/70 00:00      
         Thanks Andy...            01/01/70 00:00      
            no extra components...            01/01/70 00:00      
               Hard to find errors            01/01/70 00:00      
               Hard to find errors            01/01/70 00:00      
                  True Per.            01/01/70 00:00      

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