c++ sprintf function, to use Xiangjie

AT24C512是ATMEL公司新近推出的具有I2C总线容量达512Kbit（64K×8）的E2PROM，该芯片的主要特性如下：存储容量为65536byte；与100kHz、400kHz、1MHzI2C总线兼容；100000次编程/擦写周期；单电源、读写电压为1.8V～5.5V；ESD保护电压>4kV；数据可保存40年；写保护功能，当WP为高电平时，进入写保护状态；CMOS低功耗技术，最大写入电流为3mA；128byte页写入缓存器；自动定时的写周期；具有8引脚DIP及20引脚SOIC封装等多种封装形式。-ATMEL Corporation AT24C512 is a newly launched I2C bus has a capacity of 512Kbit (64K × 8) of the E2PROM, the chip s main characteristics are as follows: storage capacity for 65536byte with 100kHz, 400kHz, 1MHzI2C Bus compatible 100000 times Programming/rub write cycle single-supply, read and write voltage of 1.8V ~ 5.5V ESD voltage protection> 4kV data can be stored for 40 years write-protect function, when WP is high when entering the write-protected status CMOS low-power technology, Maximum write current of 3mA 128byte page write buffer auto-timing write cycle with 8-pin DIP and 20-pin SOIC package and other packages.

要求用户名字和密码完全正确的验证正确才能登陆 连接数据库-Requires a user name and password completely correct in order to verify the correct landing connect to database

这是一本关于Intel 80C51 以及广大的51 系列单片机的书这本书介绍给读者一些 新的技术使你的8051 工程和开发过程变得简单请注意这本书的目的可不是教你各种 8051 嵌入式系统的解决方法-This is a book about as well as the Intel 80C51 MCU 51 books this book introduced readers to some new technology to make your 8051 project and development process simple Please note that this book does not teach you the purpose of the 8051 kinds of embedded systems solutions

pdf格式的,由张志涌编写.我在网上找了很久才找着,特推荐给大家下载.-pdf format, prepared by Zhang Zhiyong. I am looking for a long time before the Internet find, especially recommended to everyone to download.

《软件工程思想》讲述“软件开发”和“做程序员”的道理，视野独特，构思新颖，内容风趣，不落窠臼，令人耳目一新。堪称难得，以至回味无穷。-"software engineering thinking" about "software development" and "as a programmer", the unique vision, imaginative, humorous content, the door was a refreshing sight. His rare, and even faithful.

关于fft的一个基本AVR程序，与利于初学者-Fft on a basic AVR procedures, and conducive to beginners

《精通ASP.NET网络编程》附带实例-"Network Programming ASP.NET proficient" with examples

编程之道，从不同的视角介绍编程的思想，放松的看看，很有收获。-Programming of the Road, from different angles, introduced the idea of programming, relaxed look, it is harvested.

讲软件工程及开发技术等计算机学科有关的好文章-stresses the development of software engineering and computer science technologies related to the excellent article

这是软件工程的竞技场案例研究： 应该是在启发阶段的要求，并分析有帮助 设计和建模软件工程中的对象