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    Hello, Do I understand correctly that there is...

    Hello,

    Do I understand correctly that there is a possibility to operate the VS1053 with the 4.0 / 4.1?
  2. play mp3 from an SD card and read data "simultaneously"

    Hello,

    I've searched some things now but couldn't find anything. Is it possible to play audio from an SD card with Frank's mp3 player and read data from another file "simultaneously"?
    Are there...
  3. I found the mistake. The connection had a pin...

    I found the mistake. The connection had a pin offset at 7 and 8. Now it works.
    Thank you very much. Especially to Paul and Frank.
    That was a "stupid mistake". I looked for the fault for three days....
  4. Tomorrow I'll get another audio board and another...

    Tomorrow I'll get another audio board and another Teensy. Maybe I damaged something while soldering.
  5. I solder both GND Pins ;-)

    I solder both GND Pins ;-)
  6. Thanks for the tips. I soldered the audio board...

    Thanks for the tips. I soldered the audio board with 2 cm short wires directly over the Teensy.
    I connected pins 7, 8, 18, 19, 20, 21, 23, GND, 3V3. According to the description of PJRC. But...
  7. Yes, I have the Rev D. I tested it with the...

    Yes, I have the Rev D.
    I tested it with the examples from the library. And Frank Boesing's mp3 player.
    I can only take pictures on Friday because I'm on the road for work.
  8. No sound at the headphone output with audio board.

    Hello,

    I have searched and tried a lot but I have a problem with the audio board and Teensy 4.1.
    There is no sound at the headphone output.
    Which pins must at least be connected for this? And do...
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