一个电子钟的C程序，需51单片机和相关外设的板子，也可以用软件仿真调试，学习电子钟相关的模块，如延时等，比较基础和常用的功能-C an electronic clock to take 51 single-chip and the board peripherals, and debugging software simulation can be used to study the electronic clock-related modules, such as delay and so on, and the common basis of comparison functions