Question

想做一个基于51单片机按键计数用LCD1602显示的编程0-99

Answer 1

#includesbit LCD_RS = P2^0;sbit LCD_RW = P2^1;sbit LCD_E_ = P2^2;sbit KEY1 = P2^3;void Delay_ms(unsigned char time){ unsigned char i; while(time--) { for(i=0;i10) { qd = 0; sw = 1; if(!KEY1)Pause=~Pause; } } else sw = qd = 0;}