此代码是522sRFID读卡器的开发技术文档，实现了各个功能模块

工程技术文档：NDS游戏机系统描述文档（英文版），包括NDS内存地址、中断、LCD控制、卡读写等全套描述，非常详细！-Engineering and technical documents: NDS game system described in the document (in English), including the NDS memory address, interrupt, LCD control, card reader etc. described in great detail!

基于BP神经网络的电机系统的波形控制 阐述了BP神经网络模型和算法，建立了电流型交――交变频同步电动机的波形控制神经网络BP模型，并将计算结果与仿真结果作了比较。-BP neural network-based motor control system waveform expounded BP neural network models and algorithms of current pay-- Cycloconverter Synchronous Motor waveform control neural network model, results of the computation and simulation results were compared.

ST公司的直流无刷无传感电机控制方案介绍-ST

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本分布式小区智能网络模型采用符合现场总线(Fieldbus)要求 的CAN技术，以带CAN总线端口的主控机和单元控制器CAN端接口构成的 CAN网络层，下层为由带RS485端口的住户采集器和单元控制器RS485端 接口构成了RS485网络层，向上则利用PC机连接CAN网络层，作为智能 化小区管理中心，从而基本实现智能小区管理、控制、报警、信息采 集和自我检测的功能。 本文从智能小区、现场总线、CAN技术到“CAN+RS485”双底层网 络模型的软、硬件研究，较为详细的介绍了其设计、调试运行和期间 各种问题的解决。 -The Distributed Intelligent Network model district in line with Fieldbus (Fieldbus) requirements CAN technologies to bring CAN bus port主控机and cell controller CAN-side interface consisting of CAN network layer, the lower the grounds with RS485 port Household acquisition and cell controller interface RS485 client constitutes a RS485 network layer, up modem to connect to the PC using the CAN network layer, as the Intelligent Community Management Center in order to realize the basic intelligent community management, control, alarm, information collection and self-testing function. This article from the Intelligent Community, Fieldbus, CAN technology to

实现基本的图书馆管理功能 附有完整代码及运行界面截图 完整的课程设计报告-To achieve the basic library management features with full code and run the complete course interface design report screenshot

2009电子设计大赛D题--无线环境监测模拟装置-2009 Electronic Design Contest D title- Wireless Environmental Monitoring simulator

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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