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  1. Replies
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    It gets even more impressive: ...

    It gets even more impressive:

    http://www.eyespecialists.com.au/hugoholden.html


    ziloo :mrgreen:
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    Brilliant work Hugo...:happy3: How many...

    Brilliant work Hugo...:happy3:

    How many man-hours did it take from start, research, design, build, troubleshooting, and .....finish...

    ziloo :mrgreen:
  3. Replies
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    15,130

    There you go Dwight.....you can't hide behind...

    There you go Dwight.....you can't hide behind modesty no more...

    Camera ready....light.....sound..........Action...!!!
    Youtube is waiting for you!

    ziloo :mrgreen:
  4. Replies
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    Now you are talking Dwight!!!! You have many...

    Now you are talking Dwight!!!!

    You have many very clever ideas about troubleshooting,
    and one of these days you have to make it into a series of
    youtube videos that will immortalize you.
    ...
  5. Replies
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    15,130

    Would you please show some photos of your design...

    Would you please show some photos of your design Dwight....




    You got me there Dwight......I have no idea what "sponge in foil" you are talking about;
    Would you please show some photos of...
  6. Replies
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    Thank you again Dwight :D !! I read your...

    Thank you again Dwight :D !!

    I read your comments several times and I got a much better
    picture of TTL innards. I have to do a lot more readings still....

    ziloo :mrgreen:
  7. Replies
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    Thank you both for your comments!! One thing...

    Thank you both for your comments!!

    One thing that I am not still clear about is that when the TTL-Out is
    logically High at a voltage of about 2.4V, there is still (5V-2.4V=2.6V)
    voltage...
  8. Replies
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    The bottom picture (lower case) shows the current...

    The bottom picture (lower case) shows the current flowing towards the emitter
    in the second TTL gate. Where does the flow go.....?

    52212


    ziloo :mrgreen:
  9. Replies
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    1,134

    Alright...it is leaking....but where does it go?...

    Alright...it is leaking....but where does it go?
    The emitter is forward-biased!

    ziloo :mrgreen:
  10. Replies
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    Driving Emitters in a TTL Gate

    Hello Folks,

    In a situation when two TTL logic gates, namely TTL-Out and
    TTL-In are connected, and the TTL-Out logic is HIGH....
    how can we have 40 uA of current flowing into the TTL-In gate...
  11. Replies
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    1,686

    How about "level sensitive" and "edge...

    How about "level sensitive" and "edge sensitive".......... do these also apply to
    computer designs with discrete components?

    ziloo :mrgreen:
  12. Replies
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    Rob....Would you please explain the significance...

    Rob....Would you please explain the significance of the rise time..?

    Thank you

    ziloo :mrgreen:
  13. Thread: Wire wrap

    by ziloo
    Replies
    59
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    5,146

    Alright Rob....I read through the previous post...

    Alright Rob....I read through the previous post again and now I got it.
    I didn't quite understand your notation for a wire such as A3j -22,
    because I was reading it as wires A3j through A22 ??????...
  14. Thread: Nascom

    by ziloo
    Replies
    223
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    20,955

    Dave, I am very impressed with your thoroughness...

    Dave, I am very impressed with your thoroughness in many of
    your trouble shootings in various threads. I also find your innovative
    work on using a computer mouse for voice recognition absolutely...
  15. Thread: Wire wrap

    by ziloo
    Replies
    59
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    5,146

    Very elaborate work you have done Rob :clap:...

    Very elaborate work you have done Rob :clap: .....magnificent!
    Still.........I don't get it :blush: . I don't see the purpose of A3j-22 :confused: .

    Knowing your busy schedule, whenever you...
  16. Thread: Wire wrap

    by ziloo
    Replies
    59
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    5,146

    Sounds very interesting......; would you please...

    Sounds very interesting......; would you please explain more!
    Mebe a close-up photo would be very informative...

    Thank you

    ziloo :mrgreen:
  17. Replies
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    I wonder whether there would be ever be a...

    I wonder whether there would be ever be a documentation about
    people who came up with the idea/design of these concepts...

    ziloo :mrgreen:
  18. Replies
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    Reviewing some information about ARM series of...

    Reviewing some information about ARM series of micros, out of curiosity......
    I wondered whether "super scalar" and "pipelining" was a post-Mainframe
    innovation. As I found out, there had been...
  19. Thread: Merry Christmas!

    by ziloo
    Replies
    5
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    823

    Very nice ensemble KC... :clap: And a very...

    Very nice ensemble KC... :clap:

    And a very merry Christmas to everyone!!

    ziloo :mrgreen:
  20. Replies
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    Thank you very much..... ziloo :mrgreen:

    Thank you very much.....

    ziloo :mrgreen:
  21. Replies
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    Pattern/Object recognition Software

    Hello Folks,

    Has anybody here had any experience with pattern/object recognition software?
    I am looking for a simple program for very simple geometrical shapes, letters,
    numbers.

    Thank you
    ...
  22. Replies
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    Before your post, I didn't know the difference...

    Before your post, I didn't know the difference either!
    Thank you Dwight...I have to do some more reading....

    ziloo :mrgreen:
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    **************************************************...

    **********************************************************
    Let me start be saying that my "Editing Time for a Post" has shrunk to
    5 micro seconds and I keep getting logged out!!!!??? :(...
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    Thank you all for your brilliant comments!!! ...

    Thank you all for your brilliant comments!!!

    ziloo :mrgreen:
  25. Replies
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    I don't quite understand the relationship between...

    I don't quite understand the relationship between variable frequency and variable speed
    without the loss of power....

    ziloo
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