GaryGruWorking on a hardware abstraction to support more audio codecs, I added support for the AI-Thinker Audio Development Kit with its ESP32-A1S module. This board is a great and affordable start as it has an audio codec, I/Os and some buttons to play with.
ESP32-A1S Audio Development Kit Support
A project log for yummyDSP
An Arduino audio DSP library for the Espressif ESP32
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