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  1. I don't know why I did not ask this before, but...

    I don't know why I did not ask this before, but is there an example of how to set up SPI with the SD library?
    How do I override the SPI settings the SD library uses?
    Thanks,
    Ben
  2. No, sorry, I did not know this was not a known...

    No, sorry, I did not know this was not a known issue. I am using Big Sur (I think). When I changed the board manager to use Teensy 4, the loader came up on compile. Seems like something got stuck...
  3. I had to rollback the beta Teensyduino before I...

    I had to rollback the beta Teensyduino before I could test it with the Teensy 4, because I could not compile my project for the LC with that beta.
    (Also, noticed Teensy Loader would not launch.)
    I...
  4. ...where do I download beta Teensyduino? oh, I see

    ...where do I download beta Teensyduino? oh, I see
  5. Will do, thank you!

    Will do, thank you!
  6. Hardware Differences LC vs 4.0, SPI, I2C and decisions to make

    Hello,

    I am working on a hobby project using I2C for an OLED display and SPI for an SD card reader plus 3 digital potentiometers.

    For the Teensy 4, the SD reader does not initialize. It's one...
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