TimeFrequency

说明：  非常好用的串口变成工具和源代码，可以自动搜索串口，有非常高的参考价值。(it is very nice! you can use it easyly, it is Visul C++ code .)

usb complete driver usb complete driver usb complete driver usb complete driver usb complete driver

This program is free software you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation either version of the License, or any later version.

黑客攻防入门书籍 很好很强大 讲了各种攻击方法(Getting Started with a very good offensive and defensive hacking books, talk about a variety of very strong attack methods)

Windows mobile上蓝牙通讯Windows mobile上蓝牙通讯

这是GYK轨道车控制运行设备测试系统的 界面选择程序，简单实用，情放心实用(This is GYK railcar control operation of the equipment interface test system selection process, simple and practical)

这是C8051F320 USB键盘程序，对于学习USB是个非常好的列子(This is a C8051F320 USB keyboard program for USB is a very good learning Liezi)

微软应用程序编写指南，比较不错的一本C、c++编写指导教程(Microsoft Application Programming Guide, a relatively good one C, c++ tutorial written guidance)

DEM三维可视化的简单程序，利用Open GL实现。(DEM visualization of simple procedures, the use of Open GL implementation.)

GIS 后方交会程序，网上数据验证通过，C#开发(GIS resection program, debug program by data from net,C# language,.NET develop enviroment)