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  1. Thread: USB Keyboard

    by Ioannis
    Replies
    9
    Views
    734

    Re: USB Keyboard

    Thanks for this tip also. I had in mind to make this Interrupt driven service but in a later stage.

    Ioannis
  2. Thread: USB Keyboard

    by Ioannis
    Replies
    9
    Views
    734

    Re: USB Keyboard

    Thank you very much pedja089!

    Looks great and very close to what I need to do. have to add a small graphics display and test it on Win 10. Hope Win 10 do not pose any communication problem.
    ...
  3. Thread: USB Keyboard

    by Ioannis
    Replies
    9
    Views
    734

    Re: USB Keyboard

    Oh, you naughty aerostar! I guess alzheimer is knocking my door...

    Too much info on this USB mess... Lost the links I kept in case I needed them back.

    Thanks people for the info.

    Henrik, if...
  4. Thread: USB Keyboard

    by Ioannis
    Replies
    9
    Views
    734

    USB Keyboard

    This feels like deep water to me. I 'd like to develop a small keyboard that will send to the PC specific characters when buttons are pressed.

    In short it will be a stripped keyboard with much...
  5. Replies
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    23,074

    Re: SSD1306 INCLUDE for PBP3

    OK, thanks.

    Will order then o few to play with.

    Ioannis
  6. Replies
    51
    Views
    23,074

    Re: SSD1306 INCLUDE for PBP3

    Can these LCD's show custom characters?

    I have a request to make a display that will show chess pieces like this ♟️ -> A4.

    Unfortunately character LCD do not have enough resolution with 5x7...
  7. Replies
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    550

    Re: Compiler (PBP v2.50C) errors

    That is really strange. Because the chips are C-MOS, static can do damage if not handled right.

    Do all the chips in the tube have the same behavior?

    Ioannis
  8. Replies
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    550

    Re: Compiler (PBP v2.50C) errors

    With the 819's I had bad times and I could never find what really was the cause of the problems. Some time it was the bad connection of the probe, other the software (a reboot correct it..!) but...
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    11,849

    Re: Ebay HC-12 wireless transceivers

    Maybe you will have better luck in english...
  10. Replies
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    1,927

    Re: Multiplying with 11 using PIC

    I asked this because you preferred the CD4046 over the HC/HCT4046.

    The CD4046 will not go over 2-3MHz, that is why I asked this.

    Sure it is not easy task to have many different bands on one...
  11. Re: How to remove ghost directory from mocrocode studio

    Maybe you need to do a scandisk check of the specific drive. And let it fix any issues.

    Ioannis
  12. Thread: Cloudflare?

    by Ioannis
    Replies
    2
    Views
    254

    Re: Cloudflare?

    Me too. Still the main page is working.

    Ioannis
  13. Replies
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    800

    Re: why are we getting hit with all this spam?

    Thank you Lester.

    Try my best on my limited time. Hope these spammers do not stay long here!

    Ioannis
  14. Replies
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    800

    Re: why are we getting hit with all this spam?

    He/She is history...

    Ioannis
  15. Replies
    14
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    800

    Re: why are we getting hit with all this spam?

    I really do not know...

    How the heck they get through?

    Every day I kill lots of them... Not fun anymore!
  16. Replies
    27
    Views
    1,927

    Re: Multiplying with 11 using PIC

    CD4066 is a CMOS Quad Bilateral Switch and not PLL. I cannot follow your thinking.

    Are still wanting a 11MHz operation or are OK with 2MHz?

    Ioannis
  17. Replies
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    294

    Re: is covid crisis over ?

    I cannot understand how they get through...

    There are many posts, maybe by the same spammer. He gets what is deserved though.

    Ioannis
  18. Replies
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    1,927

    Re: Multiplying with 11 using PIC

    In any case, 4046 will not operate at 11MHz.

    A DDS is much better idea.

    Ioannis
  19. Replies
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    1,927

    Re: Multiplying with 11 using PIC

    Still at 12volts, I am pretty sure the CD4046 will not go over 2MHz (the data sheet has all the info).

    I insist on using a faster chip.

    Also best is switching resistor with the ground lead...
  20. Re: Problem regarding mje13007 transistor control circuit

    How much high is the high on base of transistor? Remember you said 24V on Collector, so are you sure that base has at least 23 volts through a resistor?

    Ioannis
  21. Thread: Audio player

    by Ioannis
    Replies
    13
    Views
    756

    Re: Audio player

    Hi Jerson.

    Thanks for the info. The Aplus and especially the aPR33A3 might be exactly what I need.

    Do they have distributer? Mouser or Arrow do not carry them.

    Also the idea of ESP32 that...
  22. Thread: Audio player

    by Ioannis
    Replies
    13
    Views
    756

    Re: Audio player

    Jerson: Thanks for the info. The AT tiny is unbelievable!

    Mike: thanks for the link.

    Ioannis
  23. Thread: Audio player

    by Ioannis
    Replies
    13
    Views
    756

    Re: Audio player

    You mean ESP with in Arduino IDE, which needs good grasp of C, right?

    I do not feel very confident on that IDE for a client project.
    Thanks though,
    Ioannis
  24. Thread: Audio player

    by Ioannis
    Replies
    13
    Views
    756

    Re: Audio player

    Thank you Mike.

    I know that Microchip has an encrypted, or so, unique serial number in some PICs but could not find that info in the parametric search. I can't recall how it is called.

    Ioannis
  25. Thread: Audio player

    by Ioannis
    Replies
    13
    Views
    756

    Audio player

    I have a request for an audio player. The 12 audio files will be stored in a SD card (either mp3 or wav).

    Each file will be 30 sec long and after user selection, it will be played in a loop.
    ...
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