单片机心跳显示

正文摘要:

源代码 #include<reg52.h> typedef unsigned char u8; typedef unsigned int u16; sbit beep=P3^7;//蜂鸣器 u8 h[][8]={{0x00,0x70,0x78,0x3c,0x1e,0x3c,0x78,0x70},    {0x00,0xe0,0xf0, ...