Proteus使用笔记之51单片机4x4矩阵按键 程序如下：#include#define uchar unsigned char#define uint unsigned intvoid delayMS(unsigned int z);uchar keyscan(void);void main(void){uchar key;while(1){key=keyscan();delayMS(50);}}... 2023-06-13 Proteus使用笔记51单片机4x4矩阵按键文章单片机
