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    Ok, thank you for confirming my understanding. ...

    Ok, thank you for confirming my understanding.

    Interestingly, the Adafruit module uses 10K pullups. I'll stick with 2.2K, it's what Paul uses on the audio board. Thank you for the app note, I'll...
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    Ah of course, I wasn't thinking of that. Thank...

    Ah of course, I wasn't thinking of that. Thank you for the reminder!

    I've been testing with one of the Adafruit Mini 0.8" matricies (https://www.adafruit.com/product/870). This board has pullups...
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    Audio Board I2C Voltage Shift?

    Hi all,

    I have a small test setup with a Teensy 3.2, and audio board, and an HT16K33 based LED matrix. Everything is connected via I2C, and it works great. I just realized that the matrix is...
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