AVR单片机内部EEPROM实验， 学习AVR单片机的内部的EEPROM的读写

以STC89C52单片机为控制芯片，产生超声波信号，并进行接收返回信号，完成距离检测并通过1602显示距离，使用语音模块播报距离。

vivi boot loader的实现-anger achieve the boot loader

AltiumDesigner6.9元件库,分为5类:IC电阻电容等光电器件接插件其它,每个分类下都包含几十个封装,希望对使用Altium Designer的用户有所帮助-AltiumDesigner6.9 component library

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新代数控系统，机床plc和系统参数设置实例。-The new generation of numerical control systems, machine tools and systems plc examples of parameter settings.

本资料对如何最大限度的使用2812片内ram及不得已使用2812外扩RAM及flash技术进行了极为详尽的剖析，是本人及其它嵌入式前辈的精心之作，隆重推荐！-This information on how to maximize the use of 2812 and the last resort the use of 2812 within the ram outside the extended RAM and flash technology, a very detailed analysis of both myself and the other for the embedded predecessors carefully! Grand Recommended

出租车自动计价器设计 要求： 计一个出租车计价器。 该计价器的计费系统：行程 3公里内，且等待累计时间2分钟内，起步费为10元；3公里外以每公里1.6元计费，等待累计时间2分钟外以每分钟以1.5元计费。 并能显示行驶公里数、等待累计时间、总费用。 -Taxi automatic meter design requirements: 1 meter taxi meter. The meter" s billing system: stroke within 3 km, and the total waiting time of 2 minutes, the starting fee is 10 yuan 3 kilometers away, charging 1.6 yuan per kilometer, waiting outside the aggregate time of 2 minutes to 1.5 yuan per minute billing. And can show the number of road miles, waiting for the accumulated time, the total cost.

实用电子钟,为六位数码管时钟程序直接使用,p3.2,p3.3,p3.4,p3.5 四键控制！实测24小时误差5秒。-Practical electronic clock, nixie tube clock for the six programs used directly, p3.2, p3.3, p3.4, p3.5 four key control! Measured 24-hour error of 5 seconds.

基于ADI BLACKFIN的jbig压缩和解压缩程序，效率比网上通用的jbig程序高很多，是我们公司高手针对blackfin芯片优化过的-Based on the ADI BLACKFIN JBIG compression and decompression procedures, more efficient than JBIG online generic procedure is much higher is our expert for Blackfin chip optimized

sip网络电话服务器原代码，可用于ＬＩＮＵＸ平台，是ＤＬＩＮＫ－ＳＩＰＲＯＵＴＥＲ的原代码，绝对好用！ 先改文件名为ipp.tar.gz再解压-sip telephone network server source code can be used in Linux platform yes DLINK- SIPROUTER the original code, absolutely everything! Reforms first document, then extract ipp.tar.gz