AbstractAt the end of the 20th century,the electronic technology has obtained the rapiddevelopment,under its impetus,the modern electronic products almost permeated thesociety.Each...

目录一、序言…3二、单片机的含义及其应用42.1单片机的含义2.2单片机的存储器.…52.2.1程序存储空间52.2.2数据存储空间.2.3单片机的应用.6三、总体方案及原理…8四、单片机电子时钟设计仿真分析...

目录引言-3-1.电子时钟-3-1.1电子时钟的研究背景-3-1.2数字电子时钟的发展趋势2.设计方案-5-2.1系统的设计思路…-5-2.2AT89S51单片机简介.-5-3.硬件系统设计。73.1系统框架设计…-7-3.2模块设计...

(一）整体设备安装13(二)调试及结果3六、总结与展望，14(一)总结分析…14(二)未来展望14致谢….16参考文献…..17

design scheme of electronic clock based on single-chip computer,andusing the analysis of single-chip computer and its design principle,theworking structure of electronic clock is d...

AbstractStepping motor is an executive element controlled by electric pulse signal and it is widelyused in various fields.The popularity and application of microelectronic technolo...

二、课题综述（课题研究，主要研究的内容，要解决的问题，预期目标，研究步骤、方法及措施等)研究的内容本课题拟设计一种基于单片机的仓储环境监测系统。该系统通过采用单片机、各种传感器、数...

押，在资金储备方面也是一大硬伤，导致补网部分未成功及时运行，GLONASS还称不上全导航定位。该系统同样是24颗卫星构成，不同点在于只有三项轨道，民用指标不是很高仅仅为50米，基本可以满足需...

ABSTRACTRadio frequency identification(RFID)is the abbreviation of radio frequencyidentification.The principle of this method is non-contact data communication betweenreader and ta...

1绪论在现代社会，随着时代的发展，人们对访问控制系统的需求日益增加，其应用也越来越广泛，在当前人们安全意识逐渐提升的大环境背景之下，访问控制系统依然成为社会关注的热点，也是当前科学...