2009年电子设计竞赛所有题目合集，本科专科组都有

这是我从网看到的，不用电平的转换IC就可以把串口TTL输入、输出的电平转换成计算机能识别的电平，原图经测试不能用，经我改进后效果很好，大家不妨一试-This is what I see from the network, not power conversion IC level can be the serial TTL input and output level into the computer to identify the level, the maximum should not have been tested, and improved by my very good , we may as well try

此例为opnet使用的典型实例，可以提供给大家学习参考，共六幅拓扑图

所谓短信猫，其实是一种工业级级GSM MODEM，通过串口与计算机连接，可以通过AT 指令控制进行短信收发的设备。国内目前应用较多的短信猫，都是以SIEMENS 或WAVECOM 模块为核心组装而成的，与普通手机相比更为稳定高效。-The so-called SMS cat is a kind of industrial-level GSM MODEM, connected through the serial port and the computer can be carried out through the AT commands to control the device to send and receive text messages. At present the application of the domestic cat more messages are to WAVECOM module SIEMENS or assembled at the core, and more stable compared to the ordinary high-performance mobile phones.

校园网络系统设计方案 校园网络系统设计方案-campus network system design campus network system design campus network system design

programa en C/MPLAB en el que tenemos un sensor de presión conectado a unos LED y, en función de la presión ejercida sobre el área de detección del sensor, se van encendiendo los LED

网上邮政项目文档,包括业务流程,后台设计,系统测试，项目总结等内容。很好的文档-Post online project documentation, including business processes, background design, system testing, the project summary information. Good documentation

关于can配置软件的总结说明，对开发can总线系统有一定的帮助。-on configuration software can summary description of the development of a bus system can certainly help.

c的高级应用知识课件-c knowledge of advanced applications Courseware

这是我设计的一个图书馆管理系统,请贵站给予指点和评析-This is my design of a library management system, please Guizhan give guidance and assessment

helicopter modle paper from nu