设计模式之singleton模式例程

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

Trace Width Calculator

LPC2378 protel sch and PCB

寻找一份自己以前的已经发生颜色或形状畸变的照片，按照上面实验的原理，做出有效的校正，要求写出实验报告。-To find that his past has occurred in a color or shape distortion of the photo, in accordance with the above principle of the experiment to make an effective correction required to write lab report.

新型电脑针织横机选针器的工作原理及选型设计-New computer flat knitting machine needle selector of the working principle and selection of the design

USB 芯片的电路及PCB 设计的重要注意事项,对USB可靠性设计有很大帮助.-USB chip circuit and PCB design Important Note on USB reliability design has been inspired by them.

Gives a introduction to neutral networks, impklementation, logics and other basic used os neural networks

对嵌入式系统的指令编程和系统结构进行了详细的介绍，以及常用单片机的接口介绍-Instructions for embedded system programming and system architecture for a detailed introduction, as well as the commonly used interface MCU Introduction

详细介绍了FPGA的设计的指导性原则，FPGA的设计的具体准则，FPGA设计中的常见疑问，用FPGA的不可不看！-Described in detail the design of FPGA

蓝海微芯ARM开发板底板原理图,采用s3c2410处理器-BlueOcean Chipscreen ARM development board backplane schematic diagram, using S3C2410 processor