Success

Discussion in 'The Projects Forum' started by kurtruk, Jul 5, 2013.

  1. kurtruk

    Thread Starter Member

    Aug 26, 2012
    140
    6
    After several months I have finally completed my project, I went from hardly knowing what electricity is to building a clock from scratch. While I still have a lot to learn, I have learned a lot.

    A HUGE thank you to all those on this forum who have helped me with this project.
     
    wayneh and strantor like this.
  2. KMoffett

    AAC Fanatic!

    Dec 19, 2007
    2,577
    231
    Nicely done!

    Ken
     
  3. Metalmann

    Active Member

    Dec 8, 2012
    700
    223
    Congratulations. Nice project!
     
  4. DerStrom8

    Well-Known Member

    Feb 20, 2011
    2,428
    1,328
    Looks great! Did you build the wall-wart yourself too?

    Sorry, must have missed the process of this project on the forum. Anyway, great job!

    Regards,
    Matt
     
  5. tubeguy

    Well-Known Member

    Nov 3, 2012
    1,157
    197
    First project from scratch --- Very impressive !
     
  6. kurtruk

    Thread Starter Member

    Aug 26, 2012
    140
    6
    Thank You;Yes I did make the wall wart myself.
     
  7. Shagas

    Active Member

    May 13, 2013
    802
    74
    Nice project:)
    Are you using SSI gates and a timer?
    Have you tested its accuracy yet?

    Question :
    Do you know how everything in it works?
    If you had to build it again from scratch could you do it without any schematics just of the top of your head (with datasheets to the parts available ofc!)

    I'm just curious :)
     
  8. kurtruk

    Thread Starter Member

    Aug 26, 2012
    140
    6
    My design basically consisted of decade counters, BCD decoders, 4 2 input AND gates, and 4 2 input OR gates.

    My original plan was to use a 32.768 khz crystal and divide that down to 1 Hz, but after ordering the wrong resistor and capacitor values, I did a lot of series and parallel connections to get close to the correct value. That worked ok until I broke a few ceramic capacitors. I then took apart a clock and used the time base from that along with some additional circuitry.

    I know how pretty much everything works without going into great detail.

    I could rebuild it without the schematic pretty easily, I might have to refigure out the logic a little bit though.

    I have not tested its accuracy, but it should be about as accurate as a cheap clock, the clock I took apart ran off a crystal.

    If you'd like to see a schematic I could post one in a couple days.
     
  9. THE_RB

    AAC Fanatic!

    Feb 11, 2008
    5,435
    1,305
    Nice job! :)
     
  10. Wendy

    Moderator

    Mar 24, 2008
    20,766
    2,536
    If you could draw the schematic this would be a good candidate for the Completed Projects forum. It would also require some minor re-laying out the post.

    Nice job.
     
    DerStrom8 likes this.
  11. JohnInTX

    Moderator

    Jun 26, 2012
    2,348
    1,029
    Very very nice job!
     
  12. Shagas

    Active Member

    May 13, 2013
    802
    74
    Sure , I'd like to see it
     
  13. bance

    Member

    Aug 11, 2012
    315
    34
    Well done, nice little project.....
     
  14. kurtruk

    Thread Starter Member

    Aug 26, 2012
    140
    6
    I would love to do that.

    I hope to clean up the schematic a little bit more and write a explanation and list of materials and such, soon.

    Attached is a schematic of my project.

    Thank you for all the encouraging comments.
     
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