Use 8051 connect to the DS1302 timer ic and get the date, time.

windows dos命令全集--DOS是最基本的操作系统软件， DOS是英文Disk Operation System的简称。-windows dos command Collected Works- DOS is the most basic operating system software, DOS is the abbreviation of the English Disk Operation System.

ARM嵌入式系统开发--软件设计与优化随书源代码。开发环境asm+c，带mmu的小操作系统。-ARM Embedded System Development-- software design and optimization of the source code with the book. Development Environment asm2 c, the small band mmu operating system.

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很好的程序设计的例题，通过这样的小例子可以学到很多东西-Very good program design example, through such a small example, we can learn a lot

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数字图象处理基础 • 图象数字化 • 人眼的亮度感觉 • 象素间关系、象素运算与变-Digital image processing based on

DirectX9.0的基础入门教程。 DirectX9。0的理论教材。-DirectX 9.0 basis Directory entry. DirectX9. 0 theoretical teaching.

ROPFont.rar程序，非常好用，大家-ROPFont.rar procedures, very good, we try

介绍vb.net的一本很好的英文资料,深入浅出,值得一读-introduced vb.net of a very good English, in plain language, it is worth a read