功能：
0.本系统采用STC89C52作为单片机
1.LCD1602液晶实时显示当前雨滴/光强/温湿度/晾衣架状态
2.支持手动/自动两种模式
3.自动模式下，当雨滴<5/光强<80同时满足时，晾衣架将自动晾晒
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 <reg52.h> //头文件#include "stdio.h"#include "delay.h"#include "lcd1602.h"#include "28BYJ48.h"#include "tlc0832.h"#include "dht11.h"#define uchar unsigned char //宏定义#define uint unsigned int/*******************引脚定义*********************/sbit KEY_MODE = P3^6; //设置键sbit KEY_OUT= P3^5; //晾晒键sbit KEY_IN= P3^4; //回收键/*******************变量定义*********************/bit modeFlag = 0; //模式标记。=0手动，=1自动uint light; //光强uint water; //雨滴uint humidity; //湿度uint temp; //温度uint motorCnt = 0;//记录晾衣架位置uchar motorFlag = 2; //标记当前控制状态，=0已经晾晒，=1过程中，=2已经回收bit motorDir = 0; //方向bit dispFlag = 1;uchar dis0[16];/************************* 宏定义 *************************/#define AUTO 0#define MANUAL 1/************************* 函数声明 *************************/void Timer0_Init(void); //初始化定时器0/********************************************************函数名称:void mian()函数作用:主函数参数说明:********************************************************/void main(){modeFlag = MANUAL;Timer0_Init(); //初始化定时器0LCD_Init(); //初始化液晶DelayMs(200); //延时有助于稳定LCD_Clear(); //清屏while (1) //死循环{if (dispFlag == 1){dispFlag = 0;DHT11_ReadData(); //读取温湿度值humidity = U8RH_data_H;temp = U8T_data_H;light = 100 - 100 * ReadADC(AIN1_GND) / 255; //读取光强water = 100 - 100 * ReadADC(AIN0_GND) / 255; //读取雨滴sprintf(dis0, "L:%3d%% H:%3d%%", light, humidity);LCD_DispStr(0, 0, dis0);sprintf(dis0, "W:%3d%% T:%3d", water, temp);LCD_DispStr(0, 1, dis0);LCD_DispOneChar(12, 1, 0xdf);LCD_DispOneChar(13, 1, 'C');}if (KEY_MODE == 0){DelayMs(50);if (KEY_MODE == 0){modeFlag = ~modeFlag;}while (KEY_MODE == 0);}if (modeFlag == AUTO){LCD_DispOneChar(15, 0, 'A');if (motorFlag == 2) //已经回收状态{LCD_DispOneChar(15, 1, 'C');if (light < 80 && water < 5) //当光强满足条件且没下雨时，晾晒衣服{motorFlag = 1;motorDir = 1;motorCnt = 0;}}else if (motorFlag == 0) //已经晾晒状态{LCD_DispOneChar(15, 1, 'O');if (light < 80 && water < 5) //当光强满足条件且没下雨时，晾晒衣服{;}else //否则回收{motorFlag = 1;motorDir = 0;motorCnt = 128;}}}else{LCD_DispOneChar(15, 0, 'M');if (motorFlag == 2) //已经回收状态{LCD_DispOneChar(15, 1, 'C');if (KEY_OUT == 0) //晾晒{DelayMs(50);if (KEY_OUT == 0){motorFlag = 1;motorDir = 1;motorCnt = 0;}while (KEY_OUT == 0);}}else if (motorFlag == 0) //回收{LCD_DispOneChar(15, 1, 'O');if (KEY_IN == 0){DelayMs(50);if (KEY_IN == 0){motorFlag = 1;motorDir = 0;motorCnt = 128;}while (KEY_IN == 0);}}}if (motorFlag == 1){LCD_DispOneChar(15, 1, 'D');if (motorDir == 1){motorCnt++;motor_z();if (motorCnt == 128){motorFlag = 0;}}else{motorCnt--;motor_f();if (motorCnt == 0){motorFlag = 2;}}}}}/*------------------------------------------------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 20msTL0 = (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 20msTL0 = (65536 - 18432) % 256;time20ms++;if (time20ms > 50){time20ms = 0;dispFlag = 1; //读标志位置1}}
仿真演示视频：
/video/BV1d3411L7sM/
实物演示视频：
/video/BV1X8411W7JR/
