基于89S52单片机的4位LED显示，定时程序，定时器初值可以在程序中修改。...

430做的一种门控系统的程序，用到变频器，482通信协议等-430 to do a door control system of procedures, using inverter 482, such as communication protocols

凌阳IDE中写的一个交通灯控制程序，改一下自己的IO代码 直接编译就可以使用了-Sunplus IDE write a traffic light control procedures, to your own direct IO code compiler can use the

IEEE754 浮点数与半浮点数相互转换-IEEE754 floating-point and semi-floating-point conversion between

一个单片机控制无刷电机的代码程序-a brushless motor control microcontroller code procedures

1总线通信协议应用实例 (C51编写的源程序,keil)-a bus communication protocol application examples (C51 prepared by the source, c51)

HT1621的驱动文件，对于测试段码液晶比较有用，部分程序参考了别人。-HT1621 driver files, for testing liquid crystal above code more useful, some of the procedures with reference to others.

多路数据采集系统, -Multi-channel data acquisition systems, multi-channel data acquisition system,

时钟芯片12c887非常实用，现奉上它的程序仅供参考。-12c887 chip clock is very useful, now offering its program is for reference only.

8*8键盘检测，我用keilc进行开发的-8* 8 keyboard detection, I used to carry out the development of keilc

这是微软的一个USB同步传输例程，虽然它是基于Intel USB开发板的，但是也很值得我们好好的研究。-This is a USB synchronization routines, although it is based on the Intel USB development board, but also worthy of our good look.