利用对网卡RTL8139的开发,使PC硬盘,网卡,口令为一体,从而实现对硬盘数据的保护.-use of the card RTL8139 development to make the PC hard drive, network card, passwords as one. thus the hard drive data protection.

CAN总线通信适配卡的设计与实现.doc 基于多传感器的交通监控系统智能接口.pdf 现场总线型DCS.pdf 摘要：介绍了在系统可编程（ISP）器件及其优点，分析了PC多轴运动控制卡关键电路的作原理，并由高密度的ISP器件设计实现，运动结果表明所设计的电路完全达到了设计要求.doc-CAN bus communication adapter design and implementation. Doc many sensor-based traffic monit