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51实现TCPIP协议原理图-51 TCPIP achieve agreement schematics

精确到秒，上电后开始走表，按键K2选择调整位，闪烁后按键K1加，按键K2第四次回到现实状态-Precise to the second, after power-walk table, adjust-bit key K2 choice, after flashing buttons plus K1, K2 keys back to reality the state of the Fourth

upd6453是NEC 的一颗OSD芯片,这是它的中文文档,还有开发的例子,下载了它,不用再为看几十页的英文头疼了,可以省你很多的时间.-upd6453 is the NEC" s an OSD chip, which is its Chinese documents, as well as the development of an example, download it, do not have to read dozens of pages of the English as a headache, and can save you a lot of time.

PCB设计经验,实际应用中的经验和技巧,非常难得.-PCB design experience, the practical application of the experience and skill, very rare.

S52做成的时钟-S52 made clock

GUI_Builder 一个使你快速设计你的Gui的软件-GUI_Builder one allows you to quickly design the software of your Gui ~ ~

Fujitsu MB89P475的应用实例-Fujitsu UART examples of the application

简易电子琴的设计 一、 设计题目： 设计一简易电子琴，要求能够发出1、2、3、4、5、6、7等七个音符。 使用元件：AT89C51、LM324，喇叭，按键等 二、 设计目的 （1）能够对电子电路、电子元器件、印制电路板等方面的知识有进一步的认识，独立对其进行测试与检查。 （2）熟悉8051单片机的内部结构和功能，合理使用其内部寄存器，能够完成相关软件编程设计工作。 （3）为实现预期功能，能够对系统进行快速的调试，并能够对出现的功能故障进行分析，及时修改相关软硬件。 （4）对软件编程、排错调试、焊接技术、相关仪器设备的使用技能等方面得到较全面的锻炼和提高。-simple design of a flower, a design : a simple flower design, request, sent seven notes. Use Element : AT89C51, LM324, speakers, such as two keys, designed (a) to be able to electronic circuits, electronic components, such as printed circuit boards with the knowledge to further understanding of its independent testing and inspection. (2) familiar with the 8051"s internal structure and function and the rational use of its internal registers can be completed software programming design work. (3) To achieve the desired functionality, the system can quickly debugging, and the right to function failure analysis, the timely revision of the related hardware and software. (4) The right software programming, debugg

conver hull prgram dds

学习51单片机的好材料，大量的源程序，而且是用C语言编写的！-51 Singlechip a good learning materials, a large number of source code, but also with C language!