项目测试结束时都会有结果显示，除了在程序界面上显示外，同时也在硬件上显示。本子程序除了在程序界面上显示外，硬件上用12条IO数字线控制74HC373驱动LED显示，LED用的是共阴极双色（红色和绿色）指示灯，同时附上原理图，-The end of the project testing results show that, in addition to displayed in the program interface, as well as the hardware on display.