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???
08/11/05 12:49
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#99192 - I am and I will
Responding to: ???'s previous message
It would therefore be nice if it were easy to use several of these on a single serial bus with simple addressing of up to say 8 devices. I2C?
I am and I will drive enough of these chips to (currently) control 160*8 LEDs in one serial string. The chips will have Sin and Sout to allow chaining.

Re IIC - way too slow for big signs, but if you are interested Philips Has a series of IIC chips with characteristics similar to what I describe.

I never thought of the app you mention, but the more is considered, the better.

Erik

List of 11 messages in thread
TopicAuthorDate
soliciting input for LED chip            01/01/70 00:00      
   Application            01/01/70 00:00      
      spi            01/01/70 00:00      
         the constant current circuit can not be            01/01/70 00:00      
            Switch mode ?            01/01/70 00:00      
               Ok, let me try            01/01/70 00:00      
                  Photodiode            01/01/70 00:00      
                     nah            01/01/70 00:00      
                        resistor and current            01/01/70 00:00      
                           words            01/01/70 00:00      
      I am and I will            01/01/70 00:00      

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