- Pre-configured with reserved flash pads, including USBDisk and FATFFS routines for efficient data management and storage, making it ideal for development projects. - Features a 25MHz high-speed quartz oscillator for superior performance and a 32.768kHz low-speed quartz oscillator that ensures low power consumption, providing versatile timing solutions. - The V3.0 version incorporates a lead-free manufacturing process, and the gold-plated pin header enhances durability and environmental sustainability, setting it apart from older versions. - Comes with WeAct HID FW Bootloader pre-installed, optimized for ease of use. Note: this is a special factory trial version and does not include the Hex file, making it a unique option for testing and development. Use Scenarios: 1. Perfect for rapid prototyping in electronics development, allowing engineers to integrate and test features with minimal setup time. 2. Ideal for educational environments, enabling students to work hands-on with embedded systems while adhering to modern environmental standards. 3. Suitable for hobbyists and DIY projects, providing reliable components that enhance the functionality and longevity of their builds.