单片机应用程序—————适合初学者的程序 使用KEIL软件编写的独立键盘控制LED滚动------ Program for beginners microcontroller applications using the KEIL software development, a separate keyboard to control the LED scroll

基于PIC16F877A单片机的数码管动态点亮程序，结合独立式键盘扫描程序以实现数码管相应位置的点亮，非常适合初学者学习PIC单片机！-PIC16F877A microcontroller based digital dynamic lighting program, combined with a separate keyboard scanner in order to achieve the corresponding position in the digital tube lights

这是51hei单片机开发板附带的一个程序，矩阵键盘接p3口，其中p3.0-p3.4为行，P3.5->p3.7为列每按一下键数字便可显示在1602液晶上面，并且蜂鸣器会发出响声-This is a 51 microcontroller development board with a program, matrix keyboard P3 port, where p3.0-p3.4 is the line, P3.5->p3.7 for each click on the key fi