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Type: Posts; User: ErnstMLuebeck

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  1. So, now I have a bit more time. To start with:...

    So, now I have a bit more time.

    To start with: even with two Teensy 4.0 + Audio shield, I had some audible distortions now and then, but it was way less then my initially described problem, so I...
  2. Hi Pascal, Im glad to hear that my...

    Hi Pascal,

    Im glad to hear that my implementation has some use! In the meantime I managed to get an OK transmission. I will provide more details in the evening, but in the meantime you can check...
  3. Last attempt (failed): > I separated the T4 from...

    Last attempt (failed):
    > I separated the T4 from the AudioShield (no change)
    > I probed the USB D+ line (3rd pin from the top if the connector is on the left), it seems that it tries to communicate...
  4. After a long time connected to Windows 10...

    After a long time connected to Windows 10 (blinking along for more than 30min), I received this message in the device manager:

    "Device has been stopped after it reported an Error (Code 43). Error...
  5. 15s restore worked (and works) exactly as you...

    15s restore worked (and works) exactly as you explained:
    1. Hold down button for 15s
    2. Red LED flashes briefly, I released the button
    3. Red LED is solid and bright for about 10s
    4. Red LED...
  6. Then I'm afraid the T4 will be sent to...

    Then I'm afraid the T4 will be sent to retirement... Thanks for your time and suggestions!
    If I can revive it somehow, I will post an update.
  7. My T4 does not show up the "About this Mac >...

    My T4 does not show up the "About this Mac > System Report" (also not in a Windows Device Manager), but other Teensys do. Since it was never connected to an external power supply, I doubt that I...
  8. Teensy 4.0 (+AudioShield) running, but not recognized by Mac any more

    Hello all,

    My Teensy 4.0 (soldered to an AudioShield) worked without problems for some weeks. While working with a second Teensy (3.5) and not flashing the other one for some time, I realized that...
  9. Thanks a lot for your suggestions! I will try...

    Thanks a lot for your suggestions! I will try using the same Teensy versions and post my results then.

    @gfvalvo: I'm afraid the resolution is not high enough, the difference between the sample...
  10. High quality audio streaming using NRF24 (working) - Sample rate synchronization

    Dear all,

    Backstory below.

    What already works
    High quality (16 bit @ 44.1 kHz), low latency (~6 ms) audio stream from one Teensy to another using NRF24L01 modules.

    What's my issue...
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