检查串口是否联有modem

SIM300 hardware 英文手册，希望对您有用-SIM300 hardware manuals in English, want to be useful for you

会用C编程并不代表就掌握了C语言,本书中归纳了一些常见的C编程错误,希望对大家能有所帮助.-Will use C programming does not mean that the hands of the C language, this book summarized some common C programming errors, in the hope that everyone can be helped.

stm32f103c6的串口C程序,已测试过。采用中断方式。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。

专用于3G手机应用的开发语言android代码，描述在手机中进行数据存储的不同方法！-Exclusively for 3G mobile application development language android code that describes the data stored in mobile phones in different ways!

非常经典的DHTML 手册 dom css javascript-very classic manual of DHTML javascript dom css

蓝牙基础的外文文档，讲解的比较基础，从各个方面介绍蓝牙，适合想了解蓝牙的朋友-Bluetooth-based foreign-language documents to explain the basis of comparison, from the introduction in all aspects of Bluetooth, for Bluetooth would like to know friends

Software Receiver Strategies for the Acquisition

FTP（File Transfer Protocol）是文件传输协议，它规定了在Internet网络上怎样传输文件，通常要由专门的FTP程序来具体实现。

GPRS通信样例代码，采用成都众山GPRS芯片。可实现无线通信-GPRS communication sample code, the use of Chengdu hills GPRS chip. Can realize wireless communication

晶体管的型号命名，材料分类，结构，识别方法，使用方法。-Transistor model name, material classification, structure, identification methods, the use of methods.