Abstract
In recent years, wireless sensor network (WSN) is increasingly applied in the field of environmental monitoring due to its promising capability. Focused on the monitoring of fruit cold storage, this paper constructed a wireless sensor network based on ZigBee protocol. The design scheme of sensor node and sink node were described in detail. Chip CC2430 with ZigBee technology was considered as the core of information processing and wireless nodes detection. Through sink node as well as integrating wireless mobile network (CDMA), acquired data was sent to database server on control center. Experiment results show that the working performance of the system is quite stable and can reach the design requirements in real-time data acquisition and remote control. Furthermore, the system has the characteristics of good expansibility, networking flexibility and low cost. The design gives a new way to collect the data of environment instead of the traditional way using wires or manually.
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