设计7阶有源椭圆滤波器，附加电路图与设计思路

mina的重要核心可自由下载此源码 -an important core mina free download this source

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

Ingenic Jz4740 CPU SPEC

是开发Flash存储如SDK、USB等文件系统的全面概括。-Is the development of Flash memory, such as SDK, USB and other file system, comprehensive summary.

电阻炉温度控制系统 原理图 实验方案等 测试通过-Resistance furnace temperature control system schematic experimental test programs

数据库系统课程设计-Database System Design Course

HT9200拨号芯片的使用,内有芯片说明和源代码,DTMF发码.-HT9200 using dial-up chip, a chip with descriptions and source code, the DTMF code.

Zyxe 3G+wifi无线路由器内部PCB照片-Zyxel 3G wifi wireless router internal PCB snapshot

智能吊车设计 源码 智能吊车设计 源码智能吊车设计 源码-zhenengdiaoche

依靠强大的专业开发团队、PHILIPS 半导体的领先技术与国际 CiA 协会、ODVA 协会的支持，我们致力于发展中 国的 CAN 产品与应用事业。至现在，我们已成功开发出一系列 CAN-bus 教学、接口、工具、应用产品，能够为客户 提供从“芯片”、“工具”、“模块”、“方案”、“产品”等各个方面的服务，涉及 CAN-bus 多个行业与应用领域。我们 自主开发的数个型号产品已经领先于国外技术水平，并已投入广泛的实际应用。 -Rely on a strong professional development team, PHILIPS leading semiconductor technology and international CiA Association, ODVA Association, we are committed to the development of China