电子时钟源码，用C编写的ms51单片机，功能齐全，能实现市场上电子时钟的所有功能-Electronic clock source, with C written ms51 microcontroller, functional, able to market all of the features of electronic clock

ds1302时钟控制，单片机电子时钟，显示年月日温度-ds1302 clock control, microcontroller electronic clock, temperature display date

基于单片机的电子时钟 ，万年历 ，温湿度 二十四节气-Based on single-chip electronic clock, calendar, temperature and humidity round solar terms