基于8112板卡的编程（含多媒体定时器）-programming (including multimedia timer)

用多媒体定时器编写的摇号程序，翻屏速度毫秒级，完全随机。已摇出的号码不会重复。-lotto machine program，high speed，total random

倒立摆系统的实时控制程序，内嵌高精度多媒体定时器，使VB定时精度大大提高，并具备绘制曲线功能。-The real-time control program of the inverted pendulum system, embedded high-precision multimedia timer, so the a VB timing accuracy is improved greatly, and have drawn the curve function.