200812120411

高速公路电缆防盗技术的研究与发展方向，详细介绍目前的电缆防盗技术的研究现状，值得研究的技术(Research and development direction of the highway cable anti-theft technology, detailing the current status of research of cable theft technology, technology worthy of study)

STC12C5A60S使用PCA输出两路PWM程序(STC12C5A60S uses PCA to output two PWM programs)

Performance Assessment of Congestion Control Transport Protocols for Wireless Sensor Networks

这是一个气体传感器的元件封装库，型号为mq-135，使用dxp开发。(This is a gas sensor element package repository, model mq-135, using dxp development.)

STM32 SPI读写FM25CL64铁电存储器，程序为103RBT6单片机读写代码，包括SPI初始化、字节发送接收代码、FM25CL64读写代码(STM32 SPI read/write FM25CL64 ferroelectric memory, the application for 103 rbt6 microcontroller, speaking, reading and writing code, including the SPI initialization code byte code to send and receive FM25CL64, speaking, reading and writing )

这是ATmega128开发板的原理图和PCB文件，没有问题，用Protel 99直接就可以打开，已经打样测试过，很有参考价值。(This is the ATmega128 development board schematic and PCB files, no problem, using Protel 99 directly on the can open, have been tested proofing, great reference value.)

一个简易的频率计，主要用检测在一定范围内的频率，当然频率过大会有误差(A simple frequency meter, mainly used for testing in a range of frequencies, of course, frequency of errors over the General Assembly)

一个基于PLC的电梯控制系统,是WORD形式的论文总结,什么都有,非常实用!(PLC-based elevator control system, the thesis is summed up WORD form, everything is very practical!)

stc89c52 PCF8591 1602液晶显示驱动程序，适合51单片机初学者学习(Stc89c52 PCF8591 1602 LCD driver, suitable for beginners to learn. 51 single-chip microcomputer )

multisim的仿真实例，包含模拟电路、数字电路、RF电路、各类仪表使用、电源电路(Multisim simulation examples, including analog circuit, digital circuit, RF circuit, all kinds of instrument use, power supply circuit)