单片机中独立键盘和矩阵键盘如何一起使用 请用C语言写个程序说明,谢谢...答:这个很好处理呀,比如以下举例,独立+矩阵,实现独立按键相当于类似SHIFT作用的效果。include<reg51.h> define uchar unsigned char uchar tab[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71}; //0到f uchar keyval,num;sbit skey=P1^0; ...