按键检测，有四个按键与四个八段数码管对应，按不同的键相应的数码管显示...

自动洗手器与自动干手器电路设计，有参考价值。-Automatic hand-washing device Automatic Hand Dryer with circuit design, have reference value.

应用背景基于C语言的大型项目，适合对C语言有一定了解的人，对于C语言编程能力的提升有较大帮助关键技术调试环境为TC2.0或者TC3.0。运行这个程序需要TC提供的几个头文件。建议修改“options”菜单中的“include”目录项指向Tc的include目录；或者把源程序拷贝到TC目录下运行。 运行时需要做生成一个工程文件来包含所有的C源代码，制作工程文件（后缀.prj）。在TC2.0里面，需要输入.c文件的文件名，而在TC3.0里面，则可以通过鼠标和菜单选择要放到工程中的文件。

实用的485通讯电路，测试通过，抗干扰性能优良-Practical 485 communications circuits, test passed, excellent anti-interference performance

这是一些很常用的c51程序，使用起来很方便，推荐给大家-which is a very common procedure decoder, very easy to use and recommend it to everyone

Please read your package and describe it at least 40 bytes. System will automatically delete the directory of debug and release, so please do not put files on these two directory

通宝 LCD的资料 用于 AT91SAM9261 可以替代原装评估板的LCD-Tongbao LCD information can replace the original for the AT91SAM9261 Evaluation Board of the LCD

关于C语言学习的详细资料，可以通过资料了解编程基本思路-On the C language learning detailed information can be programmed through the data to understand the basic idea

精灵动画的实现，编游戏的基础 二维游戏的经典基础-the realization of part of the game of the classic 2-D game based

对通用串行总线#$％ 的技术特点和数据传输机制进行了较详细的分析，并讨论了具有#$％ 接口 的数字摄像系统的实现。该系统具有一定的实用价值及应用前景。-23 of the Universal Serial Bus! $ Of the technical features and data transfer mechanism for a more detailed analysis, and discussed with# $ Interface of the digital camera system. The system has a certain practical value and application prospect.

读取Segy格式地震数据的类SegyReader, 在segy.h文件中有segy卷头/道头的每一个字段的中文详细说明,方便大家查询使用. 另外, 使用QT3.x制作的GUI界面程序, 可以选择一个segy文件, 使用SegyReader类读取并显示相关信息在界面上.-Read format Segy type of seismic data SegyReader, in segy.h document volumes segy head/Road, the first field of each detailed description of the Chinese to facilitate the use of inquiries. In addition, the use of the GUI interface QT3.x production procedures, segy can choose a file, use the category SegyReader read and display relevant information in the interface.