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  1. Recipe for the 'calamari' batter?.. ...

    Recipe for the 'calamari' batter?.. <BFG>

    Doc
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    Nice.. 40 years ago CP/M was "Portable"... If you...

    Nice.. 40 years ago CP/M was "Portable"... If you were Young.. & Superman.. but us old 'hackers" found it a very new revelation.
    I used a "portable" CP/M machine that had a yellow screen..
    It fit...
  3. Where did you look first? and however did you not...

    Where did you look first? and however did you not find it? Mr Google is your best friend, Should you ever really wish to learn to how to learn. IMO

    D.
  4. Thread: Teensy 3.1

    by Docedison
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    I don't think so...

    Were it really true, you'd have real... Apple tools and not attempting to counterfeit them...

    Doc
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    non obvious prototype issues

    Bypass Capacitors are one of the Very last... Parts added, more often than not to fix problems that seem to have no rational reason for occurring .
    The power supply is actually Much More Important...
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    I was involved in the testing of wandersons...

    I was involved in the testing of wandersons Entropy library ver 0.7 in June of 2013
    I provided 4, 1 MB data sets from an Uno R3, an Uno clone and a Mega 2560 clone.
    Wanderson emailed me and told me...
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    Why not use entropy to populate a table in setup?...

    Why not use entropy to populate a table in setup?

    Doc
  8. If you have carefully read the logic table for...

    If you have carefully read the logic table for the CD4051BE you can short circuit a bit of your selection logic by using the inhibit pin (6) as when held high it will tristate the chip output... So...
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    AS a side note about bypassing.. The cost of pads...

    AS a side note about bypassing.. The cost of pads or holes for bypass capacitors cost nothing to add except the room to place them, however it is very difficult to add them in a design that requires...
  10. Perhaps the issue is that (lacking a full...

    Perhaps the issue is that (lacking a full schematic) you aren't handling the inhibit properly. The inhibit is a deselect device control. To be able to "Stack" two or more devices you might use the...
  11. I cannot directly address your code however there...

    I cannot directly address your code however there are some conditions that must be satisfied in order to properly utilize a CD4051 8 to one Mux chip.
    A, B, C are binary data sent to the MUX address...
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    YES, You are on the right path and "Probing for...

    YES, You are on the right path and "Probing for Hot Spots" is the most effective tool to find the lack of proper decoupling (Bypassing).. a BIG plus is separating (Star topology) all supply points...
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    Yes, although 800 KHz isn't particularly fast...

    Yes, although 800 KHz isn't particularly fast it's rise time generates both multiples and fractional products of the data or clock noise.
    small resistances (10 - 50 ohms) work with the stray circuit...
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    One stray thought.. is it possible to use an...

    One stray thought.. is it possible to use an analog ground plane and a Pi section filter in the AVcc source. The analog ground plane must be grounded only at the same place as the digital ground and...
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    The point on the HC part is well taken.. I've...

    The point on the HC part is well taken.. I've seen the get hot enough to scorch the old type inked device number lettering because of an open input or two causing the device to oscillate at 50+ MHz...
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    You are Most welcome,I'm very happy my thoughts...

    You are Most welcome,I'm very happy my thoughts were of use to you
    My reference to a capacitor was to use it as a probe to find where the noise is highest by noting any reduction in the noise..
    By...
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    In cases where there were components like the...

    In cases where there were components like the WS2811 I used a piece of scrap PCB and cut a small notch down the middle, Vcc was one 'Rail' and gnd the other. Each 'rail' ws 1/2 in (12 mm) wide... I...
  18. Capacitive loading comes from long wires, or low...

    Capacitive loading comes from long wires, or low buss current (DI/DT issues) and to the second part, Yes reducing the series resistance will improve the issue as this increases the 'DI'' term......
  19. Is the Midi thru buffered?, could it be a loading...

    Is the Midi thru buffered?, could it be a loading problem on the bus?.. What you are discussing sounds to me like poor rise time or "Slow Edges" on the midi data and my hint was the pass through...
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    Finding a relationship between the noise and the...

    Finding a relationship between the noise and the data rate to the WS2811's might might be a pointer in the right direction... Some hints might well be to use bulk bypassing of the strip power (100 -...
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    You would be better off checking the grounds as...

    You would be better off checking the grounds as per Paul's advice. That is firsat and second would be the value of the coupling capacitor... and it's polarity as well..
    The + end Must go to the DAC...
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