帮忙求详细注释和电路图的原理和每个元器件的作用，有偿https://blog.csdn.net/WUHU648/article/details/117459248#:~:text=proteus%E5%8D%95%E7%89%87%E6%9C%BA%E5%AE%9E%E7%8E%B060%E7%A7%92%E5%80%92%E8%AE%A1%E6%97%B6%E5%99%A8%20%E9%A1%B9%E7%9B%AE%E8%A6%81%E5%AE%9E%E7%8E%B0%E7%9A%8460s%E7%A7%92%E8%A1%A8%E5%80%92%E8%AE%A1%E6%97%B6%E5%99%A8%EF%BC%8C%E7%94%A8%20AT89C51%E5%8D%95%E7%89%87%E6%9C%BA%E7%9A%84%E5%AE%9A%E6%97%B6%20%2F%20%E8%AE%A1%E6%95%B0%E5%99%A8,T0%20%E4%BA%A7%E7%94%9F%E4%B8%80%E7%A7%92%E7%9A%84%E5%AE%9A%E6%97%B6%E6%97%B6%E9%97%B4%EF%BC%8C%E5%AE%9E%E7%8E%B0%2059%20%E5%88%B0%200%E7%A7%92%E7%9A%84%E5%BE%AA%E7%8E%AF%E6%98%BE%E7%A4%BA%E7%9A%84%E5%8A%9F%E8%83%BD%E3%80%82
总共就两个按键，控制中断，一个单片机，一个4位数码管，左边8路控制数码管显示数字，右边4路选择显示的位置，还有啥讲的
