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07/18/00 09:32
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 		 #3807 - RE: driving LED matrix with 8051:
Hi babar.

You usually need to source current down the columns and sink it along the rows. The best drivers I have found are Allegro/Sanken ULN 5XXX family. There are sink/source drivers for just what you want, with a nice serial interface (for which I have a driver !)

Steve

List of 32 messages in thread
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driving LED matrix with 8051:            01/01/70 00:00      
   RE: driving LED matrix with 8051:            01/01/70 00:00      
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RE: driving LED matrix with 8051:            01/01/70 00:00      
RE: driving LED matrix with 8051:            01/01/70 00:00      
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RE: driving LED matrix with 8051:            01/01/70 00:00      
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RE: driving LED matrix with 8051:            01/01/70 00:00      
RE: driving LED matrix with 8051:            01/01/70 00:00      
RE: driving LED matrix with 8051:            01/01/70 00:00      
RE: driving LED matrix with 8051:            01/01/70 00:00      
RE: driving LED matrix with 8051:            01/01/70 00:00      
RE: driving LED matrix with 8051:            01/01/70 00:00      
RE: driving LED matrix with 8051:            01/01/70 00:00      
RE: driving LED matrix with 8051:            01/01/70 00:00      
RE: driving LED matrix with 8051:            01/01/70 00:00      
RE: driving LED matrix with 8051:            01/01/70 00:00      
RE: driving LED matrix with 8051:            01/01/70 00:00      
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Develop LED matrix with 8051:            01/01/70 00:00      
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   RE: driving LED matrix with 8051:            01/01/70 00:00      
      RE: driving LED matrix with 8051:            01/01/70 00:00      

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