12 hour clock using JK flip flops or 74LS90 counter

Discussion in 'The Projects Forum' started by krush212an, Dec 1, 2013.

  1. krush212an

    Thread Starter New Member

    Dec 1, 2013
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    0
    Im trying to make a clock i made the clock to display minutes and seconds but i can get it to work for hours.
    Can anyone help?
    Thank You
     
  2. DickCappels

    Moderator

    Aug 21, 2008
    2,647
    632
    Show us what you have at this time (no pun). Maybe that will bring forth some ideas to help you get unstuck.
     
  3. tshuck

    Well-Known Member

    Oct 18, 2012
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    I believe I saw this circuit on howstuffworks... never got around to making it, though...

    Post your schematic and truth table...
     
  4. GopherT

    AAC Fanatic!

    Nov 23, 2012
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