说明：  基于STM32F334C8T6，包括ST-LINK/V2-1嵌入式调试工具接口， 采用buck变换器、buck/boost变换器、LED和按钮。
(The STM32F334 discovery kit (32F3348DISCOVERY) helps the user discover the full range of features of the STM32F334 line and develop applications. It is based on STM32F334C8T6 and includes ST-LINK/V2-1 embedded debug tool interface, high-brightness LED dimming with buck converter, buck/boost converter, LEDs and pushbuttons. The board comes with a comprehensive STM32 software HAL library with various pac)