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I2S ADC Mode ESP32-S3

Posted: Wed Mar 09, 2022 2:13 pm
by matthias122
Hello,
I want to connect a analog microphone to the ESP32-S3.
But the functions to bring ESP32-S3 in I2S ADC Mode are not available, at ESP32 the functions are available.
Will ESP32-S3 support this feature in future or are there any Hardware restrictions?
Thanks for your help

Re: I2S ADC Mode ESP32-S3

Posted: Thu Mar 10, 2022 2:58 am
by ESP_Sprite
ADC DMA is a separate module in the ESP32S3 (not integrated into I2S anymore), although I'm not sure if currently the ESP-IDF ADC driver supports that...