avr tecnic 火炭心电图

AT Command for work with pc and mobile modem and etc.

江苏省一个科技公关项目的一部分,利用西门子profibus(im183)开发包,开发了一个PROFIBUS-DP从站,实现通讯功能-Jiangsu Province, a technology public relations part of the project, using Siemens Profibus (im183) development kits, developed a PROFIBUS-DP from the station to achieve communication

介绍交换机的设计原理，以及在设计中需要注意的地方，本文主要是一个基础新的介绍。-Introduction switch design principles, as well as in the design of places that need attention, this article is primarily a foundation for a new introduction.

一个写FLASH的程序,支持SST39fs040,需要硬件支持,不过是学习接口编程的好资料,提供2000以上操作系统支持及写INI文件等功能.-a written procedure, support SST39fs040 need hardware support, but learning is a good programming interface provides information on more than 2000 operating system support and write INI file capabilities.

本程序是在单片机c51的基础上实现的数字钟和秒表的功能设计。此设计可是在时钟的基础上实现调表，也可以在时钟和秒表之间实现相互换，P2.0,P2.1,P2.2用于选择不同的数码管亮；P2.4用于调表，按下进入调表模式；p2.5使所调位加1； P2.6按键调表恢复数字计数或者秒表恢复数字钟；P2.7按键进入秒表状态。

固网短信编程，固定电话发送端信息，够美的吧!-Fixed message programming, fixed-line telephone to send client information, enough to let the United States!

用C实现的TCP/IP socket连接/读/写操作。采用了select方法来设置socket超时。此示例在Windows/unix系统下编译运行通过。-C realization of TCP/IP socket connections/read/write operation. Select the method used to set the socket overtime. This example in the Windows/Unix systems running through the compiler.

蓝牙(Bluetooth)设备查找、蓝牙服务发现启动、蓝牙虚拟串口通信

实现了TD,GPRS,EDGE通信系统中物理层部分需要用到的打孔和解打孔算法，非常实用，并且已经应用到了实际的基站实现中-realize the algorithms of puncture and depuncture in the TD,GPRS,EDGE system,very very useful

一个modem通信程序-a modem communication program