一个基于485总线的抢答器系统的设计文档，参加电子竞赛的论文。...

对火炮故障检测系统设计方案做了详细的说明-Fault detection system design of the artillery has done a detailed description of the program

一个完整的MP3设计方案，包括原理图和PCB，对这方面有兴趣的可以-err

pci中文规范... 有需要的兄弟可以下载-pci Chinese ... there is a need to standardize the brothers can be downloaded

Altera原版PCI开发板原理图EP2C35-Altera original PCI development board schematics EP2C35

该系统是一个比较简单的高校人事管理系统，详细内容可以见文档说明。 PS：本人是vc＋＋的初学者，希望能通过审核，加入这个大家庭，与大家共同学习进步！

用Java和XML建立试题库管理系统,试题库管理系统的设计-use Java and XML to develop Test question storeroom managerment system

基于8051单片机的数控电源设计方案-8051 NC-based power supply design program! ! ! ! ! ! ! ! ! ! ! ! ! ! !

上海杰得 Z228_Software_Programming_Guide-On a Z228_Software_Programming_Guide Haijie

Protect your mobile phone from unauthorised use or theft using this simple circuit. It can generate a loud chirping sound when somebody attempts to take away the mobile handset. The added feature is that the circuit also works as a mobile charger.

基于SoPC的嵌入式二维条码识读系统使用集成在QuartusII中的SoPC Builder开发组件配置生成片上系统,结合降噪处理、背景分离 图像校正、图像二值化、码字识别、信号纠错等技术，处理由OmniVision OV7649 CCD产生的条码图像。-SoPC based embedded system uses two-dimensional bar code reader integrated in QuartusII development of SoPC Builder component configured to generate system-on-chip, combined with noise reduction treatment, the background separation image correction, image binarization, character identification code, the signal error correction technologies such as treatment by the OmniVision OV7649 CCD barcode images generated.