基于51单片机的衣柜鞋柜湿度控制系统proteus仿真原理图PCB_基于单片机的智能衣柜仿真

功能介绍：
0.本系统采用STC89C52作为单片机
1.LCD1602液晶实时显示当前湿度值
2.当湿度超过设定湿度阈值范围时，启动加热和风机控制继电器，否则关闭
3.按键可设定湿度阈值
4.采用DC002作为电源接口可直接输入5V给整个系统供电

原理图：

PCB：

主程序：

#include "main.h"


unsigned char dispFlag = 0; //更新显示标志

enum _MODE_DF_ dispMode;
unsigned char num = 0;
int temp = 0;
int humidity = 0;
int hmMax = 60;
unsigned char setIndex = 0;
bit ctrlFlag = 0; //自动控制开关
bit ctrlFlag1 = 0; //手动控制开关

char dis0[16]; //定义显示区域临时存储数组

void main(void)
{
    char channel = 0;

    Timer0_Init();
    LCD_Init();   //初始化液晶
    DelayMs(200); //延时有助于稳定
    LCD_Clear();  //清屏

    LCD_DispStr(0, 0, "    Welcome    ");
    DelayS(1);
    LCD_Clear();  //清屏

    DispNormal();

    while (1) //主循环
    {
        if (dispFlag == 1)
        {
            dispFlag = 0;
            
            if (dispMode == NORMAL)
            {
                TR0 = 0;
                DHT11_0_ReadData();
                temp = U8T_data_H;
                humidity = U8RH_data_H;
                TR0 = 1;

                DispNormal();
                if (humidity > hmMax) //湿度大于预设值
                {
                    ctrlFlag = 1; //控制开关标志
                }
                else
                {
                    ctrlFlag = 0;
                }
            }
        }
        KeyProcess();
    }
}

void DispNormal(void)
{
    sprintf(dis0, "Hm:%2d%% Temp:%2d", humidity, temp); //打印温度值
    LCD_DispStr(0, 0, dis0);
    LCD_DispOneChar(14, 0, 0xdf);  //写入温度右上角点
    LCD_DispOneChar(15, 0, 'C');  //写入温度的C

    if (ctrlFlag || ctrlFlag1) //控制开关打开
    {
        RELAY_HEAT = ON; //开启加热
        RELAY_FAN = ON;  //开启通风
        LCD_DispStr(0, 1, "Heat:ON  Fan:ON ");
    }
    else
    {
        RELAY_HEAT = OFF; //关闭加热
        RELAY_FAN = OFF;  //关闭通风
        LCD_DispStr(0, 1, "Heat:OFF Fan:OFF");
    }
}

void DispSetHm(unsigned char setIndex)
{
    LCD_DispStr(0, 0, "  Set Hm Limit  "); 
    sprintf(dis0, "       %2d%%      ", hmMax);
    LCD_DispStr(0, 1, dis0);
    
    switch (setIndex)
    {
        case 1: LCD_SetCursor(8, 1, 1); break;
        default:;
    } 
    
}

/*------------------------------------------------
                    定时器初始化子程序
------------------------------------------------*/
void Timer0_Init(void)
{
    TMOD |= 0x01; //使用模式1，16位定时器，使用"|"符号可以在使用多个定时器时不受影响
    TH0 = (65536 - 18432) / 256; //重新赋值 20ms
    TL0 = (65536 - 18432) % 256;
    EA = 1;  //总中断打开
    ET0 = 1; //定时器中断打开
    TR0 = 1; //定时器开关打开
}
/*------------------------------------------------
                定时器中断子程序
------------------------------------------------*/
void Timer0_Interrupt(void) interrupt 1
{
    static unsigned char time20ms  = 0;
    TH0 = (65536 - 18432) / 256; //重新赋值 20ms
    TL0 = (65536 - 18432) % 256;
    time20ms++;

    if (time20ms > 100)
    {
        time20ms = 0;
        dispFlag = 1; //读标志位置1
    }

}

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仿真演示视频：
https://www.bilibili.com/video/BV1pF411j7Y8/

实物演示视频：
https://www.bilibili.com/video/BV1z14y1a7WZ/