Play mp3 files from SD via I2S

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

2023-2026: An inexpensive USB Audio DAC that implements 24-bit depth audio at 44.1kHz, 48kHz or 96kHz sample rates, using an STM32F411 Black Pill with a PCM5102A i2s DAC module.

2021-2026: RPi Pico 1+2 and ST7796, ST7789, ILI9486, ILI9488 LCD Touch Macro keypad, PCM5102 32bit USB Audio DAC, VS1053 music player, an OLED SSD1306, with RPi-cmake-SDK or Arduino-Pico, and Micropython. using Windows, Linux and RPi Os.

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

Heavy compiler (hvcc) sources running on ESP32-DevKitC powered eurorack module

基于ESP32的WiFi无线麦克风接收端

Connecting the PCM5102A audio DAC to the STM32 microcontroller via I2S with DMA. Without HAL (only CMSIS and LL)

USB audio device

2023-2025: Raspberry Pi miniDexed and MT32-Pi and Teensy microDexed DX7 FM Synth Variations - WM8960 and PCM5102A DACs 6N137 Midi-In Teensy 3.6, 4.0, 4.1 Raspberry Pi 4, 3B, 3B+ and 3A+ Arduino or Circle-based

How to use a ILI9488 SPI display on a Raspberry Pi Zero 2W with moOde Audio.

An Arduino multiband audio dsp with ESP32, PCM5102-dac, STM32F411-digital-input or pcm1802-adc-input.

A simple implementation of the I²S protocol for the Raspberry Pi Pico

Bluetooth Speaker and Google Assistance

This is a test to port C++'s ymfm and Rust's vgmplay to ESP32(Xtensa).

ESP32-S3 firmware that turns a $20 dev-board into a 2-in / 4-out audio DSP. UAC-class audio + browser-controlled PEQ / crossover / room EQ. Active 2-way speakers, embarrassingly cheap.

ESP32-S3 SF2 based wavetable synthesizer. MIDI input, common CCs support. GM compatible. Effects chain.

Custom ESP32 A2DP Sink with PCM5102 DAC. Bluetooth audio receiver featuring silent pairing, logarithmic volume control, and auto-reconnect to last paired device. Built with ESP-IDF v5.5.2.

Browser DSP cockpit for DQ-DSP — turns a $20 ESP32-S3 + 2× PCM5102A into a 4-channel parametric crossover. Bi-amp your bookshelves without the SHARC tax.