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Open Collector, open what ??

Discussion in 'Electronic Basics' started by Adrian de los Santos, Mar 8, 2004.

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  1. Can someone explain me with apples and oranges, what its an open
    collector connection, im trying to make a 5x7 led matrix, and in order
    to turn on or off only some leds, everybody tells me that i need an
    open collector.

    But my understanding of electronics its very poor, i know how the logic
    gates works and i have some simple basis on resistors and capacitors.

    Open Collector its a new term for me, i have spent 2 days googling for
    it and found some documents, but they dont even explain what a
    collector its.

    help please..

    Thanks.
     
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