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Digital Counter

Discussion in 'Electronic Basics' started by Hallhair, Mar 21, 2005.

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  1. Hallhair

    Hallhair Guest

    can someone please help me on how i can make a digital counter what do
    i all need to make a digital counter?? and how do i make it??
     
  2. Lord Garth

    Lord Garth Guest

    What type of counter do you want, binary or decimal? What should be the
    maximum count?
    What are your power requirements? What speed does it need to count?
    Do you need to count up and down? Do you need to be able to preset a count?
    What
    type of display, if any, do you need?
     
  3. Chris

    Chris Guest

    Not having more specific information about your needs, I'd recommend
    the Velleman K8035 Multifunctional up/down counter kit. It probably
    has everything you want, including preset output. If you want a spiffy
    job, get the bezel, too (B8035).

    You might also want to download the manual. If nothing else, it will
    give you ideas on how to ask for what you want.

    http://www.velleman.be/

    Good luck
    Chris
     
  4. Hallhair

    Hallhair Guest

    i am making a score board for a table hockey game and i want it to
    count to 9 then start back at one and i want it just to be button
    controled as i score i push the botton and i want it to have a led
    display or somthing like that so if you can help it would be great i
    need to know as much as i can find out and also where i can get all
    the parts and get shipping to canada. thanks
     
  5. Lord Garth

    Lord Garth Guest


    Parts are by mail order from many sources...try www.digikey.com

    A counter normally starts at zero and increments through its max
    count and then returns to zero. Do you really want to count 1 through 9?
    The CD40160 should work well...use the carry output to preload
    a 1 into the counter. You will need a decoder to convert the BCD
    into a 7 segment pattern for use with a 7 segment display. You will
    need a few more passive devices and a power supply to make it go.
     
  6. Rich Grise

    Rich Grise Guest

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