#include<reg51.h> sbit P33 = P3^3; sbit LED1 = P3^4; sbit LED2 = P3^5; sbit LED3 = P3^7; void delay_30ms(unsigned char i) { // 3S = 3000mS = 100*30mS // 30ms = 65536-( (30*10^-3)/(12/(11.0592*10
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