51单片机按键计数器

51单片机按键计数器是一个基于STC89C52RC单片机的小程序，使用C语言编写，在KEIL开发环境中进行开发。该程序的功能是每按下一次按键，计数器的数值就会加一。这个小程序使用了外部中断、数码管动态显示和按键的扫描等知识。通过连接一个共阳极的数码管和一个按钮到单片机的相应引脚上，实现了计数器的功能。具体的程序实现和电路原理图可以参考配套的PDF格式的文档。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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