内有几个自己所写的51单片机简单代码。包括定时器流水灯按键启停、定时器计数在数码管中显示按键启停、独立按键按要求点亮流水灯、外部中断流水灯触发蜂鸣器和数码管显示矩阵键盘按键等。适合新手学习51使用-There are several simple himself wrote 51 microcontroller code. Including start and stop the timer light water button, the timer counts in the digital tube display button start and stop, the independent button is lit on demand water lights, water lights triggered external interrupt buzzer and LED display matrix keyboard keys, etc.. Suitable for novice learning 51 Using