1    Preface

        Smart home （smart home, home automation） Is based on the residential platform , Use generic cabling technology 、 Network communication technology 、 Security technology 、 Automatic control technology 、 Audio and video technology integrates the facilities related to home life , Build an efficient residential facilities and family schedule management system , Improve home security 、 convenience 、 comfort 、 artistry , And realize environmental protection and energy-saving living environment . With the growing global smart home market , Users' understanding of products is also gradually improving , Pay more attention to product quality 、 Scientific and technological function 、 Product experience, etc , It is no longer limited to the price of products . Internet of things technology 、 Wireless communication technology 、 The development of artificial intelligence technology , For the smart home design industry has brought broad prospects for development .

2  The system realizes the function

• Data acquisition and monitoring function ： Users can check the indoor temperature and humidity through the mobile terminal 、 Smoke concentration and PM2.5 Remote real-time view of concentration .
• Automatic control function ： The user is concerned about the indoor temperature and humidity 、 Smoke concentration 、 Light intensity and PM2.5 While monitoring the concentration data , Smart home system can be set according to the temperature 、 The numerical range of smoke concentration and light intensity , Linkage indoor air conditioning 、 Curtain and light control .
• Manual control function ： Manually control the air conditioner according to user requirements 、 Fan 、 Opening and closing functions of curtains and lights .
• Threshold setting function ： Users can adjust the indoor temperature according to different environmental conditions or actual needs in four seasons 、 The numerical range of smoke and light , Provide preconditions for automatic control .

3  System president design

4  System hardware design  

4.1  Hardware selection

4.2  Overall hardware design

5 System effect

5.1   Data acquisition function

5.2  Threshold setting