CherryUSB is a tiny and beautiful, high performace and portable USB host and device stack for embedded system with USB IP

An FPGA-based USB 1.1 (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 1.1 (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。

Highly flexible Composite USB Device Library

Single/Multi-channel Full Speed USB interface for FPGA and ASIC designs

Expose standard or fully custom USB peripherals (gadgets) through a USB device controller (UDC) on Linux using Rust.

USB to CAN adapter firmware

🔥🔥串口工具,通知工具，网络监听，多文件断点下载,xls，xlsx操作,APK安装/系统应用安装，文件处理,crash控制，音视频播放,usb设备检测，adb工具等...

Basic USB-CDC device core (Verilog)

Efficient USB device stack designed for embedded systems. Includes support for Audio, CDC-ACM, CDC-EEM, HID, MSC, and Vendor classes.

L1 R1：WCH 24MHz MCS-51 USB MCU (CH552T/CH552P/CH552E/CH552G/CH551G)

Use a Raspberry Pi Pico board to process USB MIDI data between a USB MIDI Keyboard or other device and a PC or other USB MIDI Host

Raspberry Pi Zero exploiting gadget using ethernet over USB

USB serial device (CDC-ACM)

Raspberry Pi CM4 that plugs directly to TV/monitor

Open Hardware USB to Serial converter

L1 R2: WCH Cortex-M0 ETH/BLE SoC（CH579/CH578/CH577)

Provide a set of applications for STM32H5xx series based on the STM32 Classic Core Middleware libraries.

Full Speed USB DFU interface for FPGA and ASIC designs

Implementation of the UsbBus trait of usb-device, which simulates a Bus as a USBIP Server. Useful for developing UsbClass traits and simulating devices.

CANbardo USB to CAN adapter board