51单片机按键计数器C语言编程答:0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71,0x00}; //0到fuchar number,dat,dis[4];void t0isr() interrupt 1{TH0=(65536-5000)/256;TL0=(65536-5000)%256;number++;number%=3;
用51单片机做秒表,按键按下停止计时,再按一次接着计时答:0x99,0x92,0x82,0xf8,0x80,0x90, 0xff};// 4, 5, 6, 7, 8, 9, off unsigned char dis_buf[8]; // 显示缓冲区 unsigned char sec_bcd[8]; // 秒计数值, BCD码 unsigned char dis_index; // unsigned char key_times; // K1 按下次数 // void clr_time();vo...