摘要
本文介绍了一种利用单片机AT89C2051设计的秒倒计时器,具体介绍了硬件的电路设计、接口技术和软件的设计方法。该方案具有一定的实用性和使用上的方便性,并成功地应用在蓝球比赛和知识竞赛比赛中。
This paper introduces a design of second countdown timer by using micro-controller AT89C2501 as well as the methods of designing its hardware circuit, connector and software circuit. This plan is practical and convenient to a successful application in basketball match and knowledge competition.
出处
《长沙民政职业技术学院学报》
2005年第1期55-57,共3页
Journal of Changsha Social Work College
