I am using I2S MEMS microphone on RPi4. I use the Adafruit I2S installation guide on https://learn.adafruit.com/adafruit-i2s-mems-microphone-breakout/raspberry-pi-wiring-test

This worked fine on the 32bit system. However, since I switched to 64bit bullseye 11.2, I get various problems/errors, with the exact same hardware setup. Also, after the Adafruit I2S installation, pigpio no longer works properly.

I do not want to open yet another account on the Adafruit forum, just to get the attention of the Adafruit engineers. Maybe someone else can help me - is there an alternative (simple) method for installing I2S on the Raspberry Pi?


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