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  1. C

    Teensy 4.0 - based Audio Guestbook

    What I meant by that is "when the teensy 4.1 is connected with a usb cable to the pc", instead of using a standalone powerbank to power the teensy.
  2. C

    Teensy 4.0 - based Audio Guestbook

    Actually the speakers are not being powered with a different power system, the only power input is the power brick connected via usb cable to the teensy 4.1 power input. The speaker is the one from the telephone handset.
  3. C

    Teensy 4.0 - based Audio Guestbook

    I just wanted to write here that the suggestion h4yn0nnym0u5e of using the built in teensy sd card solves the motorboarding issue with the audio. Just had to comment the following lines and replace them with the ones below them: // Initialize the SD card // SPI.setMOSI(SDCARD_MOSI_PIN); //...
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