A low-cost USB audio interface with S/PDIF optical output, based on the Cmedia CM108 ASIC.

🇸Superpowered Audio, Networking and Cryptographics SDKs. High performance and cross platform on Android, iOS, macOS, tvOS, Linux, Windows and modern web browsers.

USB microphone implemented on RP2040, UAC 1.0

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

Making USB headset using Raspberry pi pico

Self-contained 5W Class-D amplifier inside a Speakon connector

Minimum working example of USB audio on an Arduino Due (SAM3X)

Listen to vinyl records wirelessly throughout your home using an Android device.

Play a (m3u8) playlist of music in perfect sync on multiple devices

stm32 black pill usb sound card

An FPGA-based USB full-speed device core to implement USB-serial, USB-camera, USB-audio, USB-hid, etc. It requires only 3 FPGA common IOs rather than additional chips. 基于FPGA的USB full-speed device端控制器，可实现USB串口、USB摄像头、USB音频、U盘、USB键盘等设备，只需要3个FPGA普通IO，而不需要额外的接口芯片。

2020: Proto-driver and example applications for Teensy MCUs interfaced to the Wolfson WM8960 Audio DAC with a headphone and stereo power amplifier.

WhateverDSP Framework

Easily programmable DSP platform in a guitar pedal form factor

USB and S/PDIF audio DAC using the Raspberry Pi Pico (RP2040)

USB Audio DAC using STM32F401CCU6 "Black Pill" and PCM5102A modules

Automatically record instrument audio and MIDI. Optional sound-activated video recording.

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

2020: Teensy 4.x as Audio USB to PCM5102 and ES9023 Audio DACs, with a USB Volume Control with an SSD1306 OLED peak meter. It requires changes to the Teensy boards.txt and the Teensy 4 usb_desc.h.

USB Audio Class tools box.