Mcs-51简洁通用IO通道设计与实现

4个LED灯的控制程序，简单易用，利用单片机51进行IO控制，4个LED灯的控制程序，简单易用，利用单片机51进行IO控制。-Control procedures of the four LED lights, easy to use, the microcontroller 51 IO control, the control program of the four LED lights, easy to use, the use of single-chip 51 IO control.