Copy 144 LED console for my school project


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  1. #16
    Join Date
    Aug 2003
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    Obviously you are the same person as on All About Circuits forum
    where the project is also posted.
    Short answer is YES.. BC548B is a NPN transistor.

    Some substitutes are:
    BC109C, BC149C, BC549 & 9014.
    Cheers,
    Art.
    Last edited by Acetronics2; - 5th September 2010 at 09:22. Reason: 107 ... 547,548,549 are ... NPN !!!

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