【摘要】 介绍了以AT89C2 0 5 1和iButtonTM为核心的LS - 99智能民用水表设计。分析了水表必须具备的功能 ,详细介绍了硬件工作原理、元器件选型以及软件设计内容 ,给出了降低功耗和保证数据安全的措施。设计中还配置了限制用户开表壳机构 ,使水表具有“铅封”功能更多还原

【Abstract】 The design of LS-99 intelligent domestic water is introduced. The kernel of this water meter is AT89C2051 and iButton TM. The necessary functions of the water meter are analyzed, the operational principle of hardware and selection of the components as well as software design are presented in detail.更多还原