这是一个单片机扫描键盘的工程文件包。功能是对16个按键依次编码为1到16。每按下一个按键就用led灯显示来表示该键的编码。-This is a scanning keyboard works of a single chip package. The function is encoded as 16 keys in turn 1-16. Each time you press a button with led light display to indicate the encoding of