Arduino library to play MOD, WAV, FLAC, MIDI, RTTTL, MP3, and AAC files on I2S DACs or with a software emulated delta-sigma DAC on the ESP8266 and ESP32 and Pico

Play mp3 files from SD via I2S

Very Tiny Palmtop Vector Network Analyzer

Various HDL (Verilog) IP Cores

esp32 version of Ka-Radio (https://github.com/karawin/Ka-Radio) by jp Cocatrix

RFID-controlled musicplayer powered by ESP32

Sound Level Meter with ESP32 and I2S MEMS microphone

Examples for I2S support on microcontrollers that run MicroPython

all-in-one audio board, works specially well with LogitechMediaServer

ESP32 Sound recorder with simple code in arduino-esp32. (I2S interface)

USB Hi-Res Stereo Audio DAC using STM32F411 / 401 "Black Pill" development board and Texas Instruments PCM5102A / Philips UDA1334ATS DAC modules

Using an I2S MEMS microphone on an ESP32

《FPGA应用开发和仿真》（机械工业出版社2018年第1版 ISBN:9787111582786）的源码。Source Code of the book FPGA Application Development and Simulation(CHS).

An Arduino audio DSP library for the Espressif ESP32 and probably other 32 bit machines

Bluetooth Visual Speaker | 藍牙視效音響 | 基於ESP32的音樂全彩光立方視覺效果控制器

Audio controller (I2S, SPDIF, DAC)

32bit I2S DAC library for Raspberry Pi Pico / Pico 2

tips, tricks, and examples of using CircuitPython synthio

low noise low cost stm32 usb-audio dac with optional level meter

ESP32 application to change a voice to be eg stormtrooper or dalek sounding, either in real time for cosplay or as a recording. Recordings can be downloaded to the browser as a WAV file for playback on a media player