基于AT89C51单片机设计的电子时钟，详细思路说明及各模块介绍，适合自学开发人员-AT89C51 microcontroller-based design of electronic clock, and the detailed descr iption of the module introduces ideas for self-learning developers

基于单片机AT89C51控制，采用DS1302时钟芯片的电子万年历-Based on single-chip microcomputer AT89C51, using DS1302 clock chip electronic perpetual calendar