本例程属于STM32F103 实现UC/GUI的简单按钮实验，通过此例程可以了解图形化界面的实现原理。-This routine belongs STM32F103 achieve UC/GUI simple button experiments, this routine can understand graphical interface principle.

stm32门禁卡工程，外接硬件后可直接下载到stm32板子上，刷卡识别通过-STM32 access card project, the external hardware can be downloaded directly to the STM32 board, credit card identification through