范文编号:JD1057 范文字数:17719,页数:49,有原理图 摘要 在一般的篮球比赛中,计时和计分大多数都采用人工操作,很简陋的计时,计分方式,但是采用这种方式十分的不方便。而且大多数由于缺少24秒倒计时,控球时间计时不是很准确。本设计就是针对这方面的问题,在充分地分析了篮球比赛的特点的基础上,设计了基于单片机AT89C51作为控制器、LED七段数码管作为显示器的篮球计时计分系统。 关 键 词:74LS21, AT89C51芯片,串行与并行I/O接口,中断,软件抗干扰
In the common basketball game, times and score are majority taken manually operated, it is very simple and crude timing, score way, but taking this approach is very inconvenient. And mostly due to the lack of 24 seconds that by count-down, the controlling time was not very accurate. The design is meant to address this issue, on the basis of the gull analysis of the characteristics of the basketball Competition, based on this, I have designed the timing and scoring system, in which, the single-chip computer AT89C51 is regarded as the controller, and the seventh paragraph digital LED is regarded as the player.
第1章 绪论 1 基于单片机的篮球计时计分器设计相关范文 |
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