qq40885

#include#defineucharunsignedchar#defineuintunsignedintsbitled=P2^5;sbitwei=P2^7;sbitduan=P2^6;sbitDQ=P2^2;ucharmazhi_duan[]={0x3f,0x06,0x5b,0x4f,0x66,

单片机数模转换程序将da#include//52系列单片机头文件#include#defineucharunsignedchar#defineuintunsignedintsbitdula=P2^6;//申明U1锁存器的锁存端sbitwela=P2^7;//申明U2锁存器的锁存端sbitadwr=P

数控直流稳压电源的设计输出电压0~9.9v，步进0.1v可调，数模转换，数码管显示电压值。电路图和设计报告非常齐全。