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???
05/05/08 14:42
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 		 #154428 - once color get involved ...
Responding to: ???'s previous message
.. there are two possibilities

a) use 'color LED drivers' which will get a bit expensive one such is NDM192B from nova electronics.
b) time multiplex: load the drivers, unblank for 1/2ms, load the drivers, unblank for 1ms, load the drives, unblanbk for 2ma, load the drivers, unblank for 4ms. to do this, your code need to haul ass, so lookup tables and such is out of the question.

Erik

List of 31 messages in thread
TopicAuthorDate
outdoor display            01/01/70 00:00      
   LED sign summary            01/01/70 00:00      
      excellente Senor one comment            01/01/70 00:00      
         LEDs arrangement on PCB            01/01/70 00:00      
            The big tradeoff            01/01/70 00:00      
               Reverse engineering            01/01/70 00:00      
                  once color get involved ...            01/01/70 00:00      
      Human perception of luminance            01/01/70 00:00      
         nice, correct, but irrelevant in this respect            01/01/70 00:00      
   Ambient Light Sensor            01/01/70 00:00      
      anything you can read that is ...            01/01/70 00:00      
         TSL250R            01/01/70 00:00      
            maybe not, maybe so            01/01/70 00:00      
               Late Question            01/01/70 00:00      
                  l/f l/v            01/01/70 00:00      
                  i thought those common            01/01/70 00:00      
   LED Panel Fonts            01/01/70 00:00      
      go to the PC            01/01/70 00:00      
      http://www.8052.com/users/bahrio/            01/01/70 00:00      
      Here is a 9Wx7H Font            01/01/70 00:00      
      8x8 char font            01/01/70 00:00      
         go for a proportional font            01/01/70 00:00      
   I Agree; Go Proportional            01/01/70 00:00      
      that's the one            01/01/70 00:00      
         Rotating....            01/01/70 00:00      
            so do I            01/01/70 00:00      
               Luxury?            01/01/70 00:00      
                  no, no squirt            01/01/70 00:00      
      thats exactly the one I was looking for            01/01/70 00:00      
   LED Panel FAQ            01/01/70 00:00      
      LED Panel FAQ does not match what I 'know'            01/01/70 00:00      

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