Arduino library to play MOD, WAV, FLAC, MIDI, RTTTL, OGG/Opus, 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

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

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

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

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

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

Espressif ESP32 driving a controller-less monochrome lcd with parallel I2S bus

Getting started with various ESP32 development boards. Lots of examples.

stm32-speech-recognition-and-traduction is a project developed for the Advances in Operating Systems exam at the University of Milan (academic year 2020-2021). It implements a speech recognition and speech-to-text translation system using a pre-trained machine learning model running on the stm32f407vg microcontroller.

Linkplay A31 WiFi audio module alternative firmware (OpenWrt) and device tree source file

A simple audio player using I2S in ESP-IDF 5.x to play WAV files from an ESP32

Simple example of real-time audio synthesis on ESP32 with output to internal 8-bit DAC via I2S

MicroPython for ESP32 with psRAM support (with I2S module to read an I2S MEMS Microphone)

Solar powered noise measuring business card

Example for ESP32-LyraT: Passthrough Digital Audio over I²S, Baseline for Realtime DSP Applications

verilog example to drive PCM5102 DAC with FPGA

Audio Analysis library for I2S mems microphones

A project that uses the nRF52 to control a neopixel (ws2812b) over BLE using a custom mobile app built using the ionic framework.