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流水灯51单片机用蜂鸣器放音乐的程序，音乐编码有月亮代表我的心，两只蝴蝶等 (51 SCM with buzzer or music program, music encoding the moon represents my heart, two butterflies)((51 SCM with buzzer or music program, music encoding the moon represents my heart, two butterflies))

this is small othello game. you can see the source and everything pls download it and learn

UPGRADE tool rs232. Download

水文管理信息系统，整理水文数据，绘制水文图(Hydrological management information system, collation of hydrological data, hydrological Figure Drawing)

这是一个求取关键路径的c语言程序设计源代码(This is a strike the critical path of c language programming source code)

说明：  CRC7，CRC8，CRC9，CRC16编解码，查表方法实现(CRC7, CRC8, CRC9, CRC16 codec, look-up table method)

设计一个简单VB程序: 它由一个窗体、一个文本框和3个命令按钮组成。窗体的标题为"Visual Basic 程序设计示例"，当用户单击命令按钮“显示”时，文本框中出现“欢迎使用Visual Basic 6.0”,窗体上显示“你好”，单击命令按钮“清除”时,清除文本框中显示的内容和窗体上的内容，单击命令按钮“结束”时，结束程序。(Design a simple VB program: It consists of a form, a text box and 3 command buttons. The title of the form is "Visual Basic programming example", when the user clicks the command button "display", the text box appears "welcome to use Visual Basic 6", the form on the form "hello", click the command button "clear", clear the contents of the text box and the contents of the form on the form, click the command button "knot" When "beam", the end of the program.)

STM32 is simple and practical to use, and can be used for reference on balancing vehicles.

哈佛经理项目开发管理，详细介绍了项目卡发管理流程。(Harvard manager, project development and management, details of project management processes card issued.)

什么是makefile？或许很多Winodws的程序员都不知道这个东西，因为那些Windows的IDE都为你做了这个工作，但我觉得要作一个好的和professional的程序员，makefile还是要懂。这就好像现在有这么多的HTML的编辑器，但如果你想成为一个专业人士，你还是要了解HTML的标识的含义。特别在Unix下的软件编译，你就不能不自己写makefile了，会不会写makefile，从一个侧面说明了一个人是否具备完成大型工程的能力。 (makefile)