Key features and benefits - 1.8-pin FPC connectors for USB Type-C with an adapter board enable compact, reliable USB-C connectivity and easy integration. - Drag-and-Drop programming with mass storage over USB. 28x multifunction GPIO pins plus 2x SPI, 2x I2C, 2x UART, 4x12bit, and 16x controllable K provide broad peripheral support without external programmers. - Dual-core ARM M0+ processor with flexible clocking up to 150 MHz, 520 KB RAM, and 4 MB onboard flash storage for fast firmware development, testing, and data retention. - The development board supports direct soldering to carrier boards and USB 1.1 compatibility with devices and host power-saving modes for energy-efficient operation. Use scenarios - USB-C device development: prototype and program new USB-C peripherals quickly using drag-and-drop workflow and onboard storage. - Embedded data collection and control: leverage the GPIO, SPI, I2C, UART, and 12-bit peripherals for sensing, logging, and actuator interfaces. - Education and rapid prototyping: a versatile platform for learning ARM MCU programming with clear IO access and flexible timing.