在数码管显示基础上,利用实验箱提供的键盘扫描电路和显示电路,实现一个扫描键盘和数码显示综合驱动控制，把按键输入的键码在8段数码管上显示出来。-In the digital display, based on the use of the keyboard scanning circuit experiment box provided and show circuit, a digital display and keyboard scan integrated drive control, t