I'm sorry to hear that things are complicated in your life. I hope that when they simplify, they do so in a positive way.

Your idea about using resistors to prevent I2S from hurting the BlueGiga module sounds useful. I'm not entirely convinced that the I2S voltage is the root cause there, but since I2S has definitely gone nonfunctional on two chips for me so far, it's certainly the right place to start looking.

Thanks so much!

Feel free to subscribe to updates at https://github.com/tfabris/BlueGigaEmpeg to get notified when I make code changes or update the bug list.
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Tony Fabris