该设计实现用单片机、数码管、蜂鸣器等器件实现一个简单的电子闹钟的功能，具有正常走时，闹钟设定、闹铃等功能。-The Design and Implementation of a simple electronic alarm clock with microcontroller, digital control, such as buzzers, with the normal travel time, alarm settings, alarm and other functions.