Research On Smart Home System Based On ZigBee Protocol

Under the background of informationization,new things such as Internet and Internet of Things have emerged one after another,which has brought tremendous changes to people's lives.Smart home is the development trend of future home.It can provide users with a safe,comfortable and convenient living environment.In smart home system,wireless sensor network is an indispensable and important part.Wireless sensor network includes many advanced technologies such as information processing technology,sensor technology and network communication technology.Because of its wide applicability and good development prospects,wireless sensor network has been regarded as a key research direction in many countries and regions.ZigBee is also widely used in wireless sensor networks because of its low complexity,low power consumption,ad hoc network and high cost controllability.It improves the intelligent level of products and equipment and brings great convenience to people's lives.In this paper,the application research of smart home wireless communication based on ZigBee protocol is carried out.By comparing the characteristics of various wireless communication technologies,it is concluded that ZigBee is the most suitable wireless communication technology for smart home system.A smart home system based on ZigBee technology is designed,and the key indicators of the system are tested,which proves the feasibility of applying ZigBee technology to smart home.Based on the analysis of the technical characteristics and network topology of ZigBee,the scheme of the smart home system is determined.The hardware part includes the coordinator,terminal node and upper computer,and the software part is the upper computer software of the smart home system.The CC2530 chip of Texas Instruments is selected to complete the design of coordinator and terminal node circuit diagram and PCB board with Altium Designer software;the control program of communication module is designed with the protocol stack Z-Stack-CC2530-2.4.0-1.4.0 corresponding to IAR Embedded Workbench(IAR EW)and CC2530 chip;Using VC++ 6.0 Write the Temperature and Humidity Monitoring Software? A set of intelligent home system software based on ZigBee protocol is designed to control the communication between RS232 serial port conversion tool and host computer with coordinator and terminal node.The debugging results show that the wireless communication technology based on ZigBee protocol is convenient for networking and has good communication performance.It's suitable for building a smart home system.