單片機(jī)數(shù)字電壓表程序及電路原理圖ADC0808+74ls245

正文摘要:

#include <reg51.h> #define uint unsigned int #define uchar unsigned char sbit st= P1^0; sbit eoc= P1^1; sbit oe= P1^2; unsigned int a; unsigned char code seg[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92, ...