【资源下载】下载地址如下：
https://docs.qq.com/doc/DTlRSd01BZXNpRUxl

三个ds18b20分别采集进水口热水  冷水 和温水的水温，然后分别显示出来，按下开始按键，系统初始化，自动设置出水温度为38度，可以通过按键加减进行微调，在淋浴过程中，通过人体红外传感检测是否有人，离开花洒下面，自动停水且停止温度调节，回去过重新打开。温度控制通过热水阀和冷水阀的开关进行调节水温。

 

 

#include "lcd1602.h"
#include "ds18b20.h"
#include "DS1302.h"
#include "24C16B.h"
sbit		WN	= P3 ^ 7;
sbit		PE	= P3 ^ 4;
sbit		JIN	= P3 ^ 5;
sbit		X0	= P3 ^ 2;
sbit		X1	= P3 ^ 3;
sbit		JIA	= P1 ^ 3;
sbit		JIAN	= P1 ^ 6;
uchar		n	= 1, count = 0, smb = 0;
uchar		war	= 40;
extern char	zhen_temp[5], *wendu;
extern bit	flag;
uchar code	ds18b20_num1[8] = { 0xfd, 0x00, 0x00, 0x00, 0xb8, 0xc5, 0x45, 0x28 };
uchar code	ds18b20_num2[8] = { 0x8e, 0x00, 0x00, 0x00, 0xb8, 0xc5, 0x30, 0x28 };
uchar code	ds18b20_num3[8] = { 0xb9, 0x00, 0x00, 0x00, 0xb8, 0xc5, 0x31, 0x28 };
uchar code	ds18b20_num4[8] = { 0xe0, 0x00, 0x00, 0x00, 0xb8, 0xc5, 0x32, 0x28 };

void delay( unsigned int time )
{
	unsigned int i, j;
	for ( i = 0; i < time; i++ )
		for ( j = 0; j < 200; j++ )
			;