Computer Science

Computer Science ›› 2018, Vol. 45 ›› Issue (11A): 532-534.

• Interdiscipline & Application • Previous Articles     Next Articles

Monitoring System for Library Environment Based on WiFi Internet of Things

WANG Dong1,2, YUAN Wei2, WU Di2   

  1. College of Information Science & Engineering,Ocean University of China,Qingdao,Shandong 266100,China1
    Library,Ocean University of China,Qingdao,Shandong 266100,China2
  • Online:2019-02-26 Published:2019-02-26

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Abstract: According to the characteristics of the library of environmental monitoring,this paper designed a building environment monitoring system based on WiFi.The sensor nodes use the STM32 processor to carry various environmental sensors and ESP8266 WiFi modules.The AP+STA mode of the module not only makes the node as terminal,but also a router.The processor sends control instructions to the WiFi module or receives data from the module and takes charge of encoding the environment parameters detected by various sensors.Through a reliable and practical automatic networking method,the multi hop data transmission of environmental parameters in wireless sensor networks was realized.Experiments show that the system can monitor various environmental indicators and has certain practical value.

Key words: Environmental monitoring, Wireless sensor network, WLAN

CLC Number: 

  • TP274
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