Clock/Calendar Board

On the basis of AT89C2051 micro controller,circuit principle for mileage,rotational speed and calendar clocks can be realized.

针对自行车、摩托车里程转速表及其它转速、计程检测控制存在体积大、精度低等问题 ,给出了采用单片机组成的系统结构及设计方法 ,论述了信号检测、数据保护、时间读取、参数选择和以AT89C2 0 5 1单片机为核心实现里程、转速、日历时钟等电路的组成原理及程序设计分析 ,该系统可通过功能扩展广泛应用到其他领

On the basis of PIC16F873,circuit principle for rotational speed and calendar clocks can be realized.

论述信号检测、数据保护、时间读取、参数选择和以PIC16F873单片机为核心实现转速、日历时钟等电路的组成原理及程序设计分析。

The system realizes not only the control,display and adjustment of calendar clock but also the inspection,measurement and display of temperature and humidity by utilizing microprocessor AT89C51 and complex programmable logic device (CPLD).

系统采用AT89C51单片机和复杂可编程逻辑芯片(CPLD)EPM7128SLC84-15实现了日历时钟控制显示、校对及温湿度检测、显示等功能。

The application system of clock/calendar based on I~2C interface of Micro-controller;

单片机I~2C接口的时钟日历应用系统