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Design of counter

Discussion in 'General Electronics' started by Kumar Appaiah, Sep 14, 2004.

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  1. I am a studentof Electronics Engineering, and I have to design a
    counter as part of a basketball shot clock. However, I have not found
    any information on the internet on how to go about making a counter
    with a large display, which is to be fitted in a sports hall. Is such
    a thing feasible? How do I go about designing the circuit?

    Thank you.
  2. No, it can't be done. It is impossible. The best I can
    think of is this:
  3. John G

    John G Guest

    Of course it is possible.
    Almost every basketball court has one.

    It is quite a job for a student. There is the countdown clock, the
    controls, the display, etc etc.
    But it is possible.

    And already done all over the place.
  4. Ken Taylor

    Ken Taylor Guest

    Obviously you don't have the interactive display which drips the sarcasm
    from posts......

  5. Dana Raymond

    Dana Raymond Guest

    This is an especially difficult project considering the year of EE you are
    in. The facts prove the point - an EE student isn't capable of even
    beginning on a project assigned to him by his professor. I suspect that,
    maybe (just maybe!) a student could do the project if he had actually
    attended all of the classes and studied responsibility. Of course, we all
    want electrical engineers running around our society who majored in beer and
    boobs instead of calculus and circuits, right?

    <drip, drip>
  6. Ken Smith

    Ken Smith Guest

    Its easy, just use a PIC.
  7. Thank you very much for the detailed reply. Though your suggestions
    are nice, we have not been introduced to the components you have
    specified. We were planning to do it using ordinary counters (J-K flip
    flops and the like) and amplifiers to amplify the output and send it
    to the display. Do you think this is possible? If not, could you
    please point us to resources where we could gain more information
    about the components you have mentioned?

    Thanking you,
  8. Mark Zenier

    Mark Zenier Guest

    Go to, sign up and do a search for
    "Displays, Electromagnetic".

    That should get you the manufacturers of the large "flip panel" displays,
    where display elements, painted a bright color on one side and black on
    the other are flipped back and forth. They come in both 7 segment and
    dot matrix forms.

    Some old catalog pages for F-P Electronics show a 7 segment display
    66 centimeters high. Is that big enough?

    Mark Zenier Washington State resident
  9. To all you idiots who can do nothing but talk nonsense and not answer
    the question, thats stupid.

    And for you Kumar, you idiot , you dont deserve to be in IIT. You
    deserve the sarcasm.

    Now that I have touched all bases :-D The simplest design for a
    Basketball counter is a LED display that is interfaced with a timer
    circuit that uses a simple and ubiquitous IC555.

    Go look it up buddy. Grab a manual for IC 555 by atmel and it shud
    have that design. Its one of the most BASIC of all electronic designs.
    U better memorize that.

    Laters buds.

    Take it easy. No sweat :-D
  10. John Fields

    John Fields Guest

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