Multi functional development board Versatile platform for experiments and testing, supporting keyboard, mouse, and USB drive projects to meet diverse development needs. USB 2.0 interface with a USB 2.0 controller, providing stable connections and capable data processing across multiple application scenarios. Flexible scalability with a rich set of interfaces and pins, making it easy to expand and functions as needed. Easy to use development environment with a simple, easytounderstand programming language, enabling quick implementation of features. Key benefits Practical for building and validating USB related projects, from human interface devices to storage emulation. Reliable USB performance suitable for iterative testing and prototyping. Clear path for expansion through available interfaces and pins without redesign. Use scenarios Develop and test USB HID devices such as a keyboard or mouse, including input handling and reporting. Create USB mass storage or USB drive emulation to prototype file transfer workflows. Prototype and validate USB peripheral interfaces and firmware updates in a compact, singleboard environment.