显示与键盘实验数码管动态显示的原理，掌握8段数码关显示驱动控制方法；小键盘扫描原理，掌握键盘扫描驱动控制方法；键盘与数码关显示综合控制方法，有流程图报告和代码。-Display and keyboard digital tube experiments showed that the principle of dynamic master 8 digital clearance display driver control methods　small keyboard scanning principle, to master the keyboard scan driver control methods　keyboard and digital display integrated customs control method, a flow chart of the report and code.