413 wireless ZigBee wireless intelligent home light temperature and humidity transmission monitoring system based on 51 MCU

osc_kf7nv2km 2020-11-08 08:54:45
wireless zigbee wireless intelligent home

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51 MCU wireless zigbee Smart home lighting, temperature and humidity master-slave 137
The system consists of master and slave .
The host computer is made up of ST89C52 Single chip microcomputer 、BH1750 Lighting module 、DHT11 Temperature and humidity 、ZIGBEE Module and power supply .
From the machine by ST89C52 Single chip microcomputer 、LCD1602 Liquid crystal display (LCD) 、 Key 、ZIGBEE Module and power supply .
Between the master and the slave through ZIGBEE The module realizes data communication .
1、 The temperature and humidity sensor and light sensor on the host can detect the temperature, humidity and light information in real time ,
2、 And then through ZIGBEE The module is uploaded to the slave machine ,
2、 The slave receives the reported data , stay LCD1602 LCD real-time display : Temperature, humidity and light intensity .
3、 There are buttons on the slave board , You can control the light switch on the main board by pressing the key .

// The host sends it to the slave

The slave sends it to the host
**// Turn on the lights.
##// Turn off the lights

 #include<reg52.h> // Include header file , In general, there is no need to change , The header file contains the definition of special function registers 
#include "1602.h"
#include "delay.h"
sbit key = P1^0;// Key interface 
char dis0[16]; // Print array initialization 
char dis1[16]; // Print array initialization 
unsigned long time_20ms=0xaaaaaaaa; // Timer count 
bit disFlag = 0 ;// Update the display regularly 
float valLigh; // Illumination value 
unsigned char firstin =0; // First received flag 
unsigned char tab[20]; // Serial data temporary storage 
unsigned char Count=0; // Serial port receive count 
unsigned char uartbusy =0; // Serial port judge busy 
unsigned char temp ; // temperature 
unsigned char mhu ; // humidity 
bit rekey =0;// Prevent repeatedly pressing 
unsigned char val = 0;// Send data flag value 
void Init_Timer0(void); // Function declaration 
void UART_Init(void);
void uartSendByte(unsigned char dat);
void uartSendStr(unsigned char *s,unsigned char length);


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