课程设计 毕业设计

摘 要

现代快节奏的生活给人们的精神上带来了很大的压力，如何缓解这些压力已经成为很多人和探索者多年来一个很重要的研究项目，电子闹钟减压正是应运而生。本系统主要由AT89C52单片机、DS1302时钟芯片及LCD1602液晶显示器来完成设计,具有时间和年份的自动调整，附加闹钟设置、倒计时设置及时间重置功能。用户可以通过按键修改时钟后查看闹铃时间，给人们的生活、学习、工作、娱乐带来了极大的方便。

关键词：AT89S52；DS1302；LCD1602液晶；自动调整；闹铃倒计时

Abstract

The life of contemporary fast rhythm to people's spiritual brings a lot of pressure, how to alleviate the pressure has become many people and explorer years a very important research projects, an electronic alarm decompression is arises at the historic moment. This system mainly by the AT89C52 single chip computer, DS1302 clock chip and LCD1602 LCD to complete design. And completion time and the year of automatic adjustment, additional alarm, the countdown setting and time reset function. Users can view by buttons alter the alarm time, to the life of people, study, work, entertainment has brought great convenience.

Keywords: AT89S52 devices, DS1302; LCD1602 LCD, Automatic adjustment, Alarm countdown