基于WiFi的环境监测系统设计

WiFi（Wireless Fidelity）技术具备传输速率高、传播距离远、覆盖范围广等特点,在无线局域网应用中得到了迅猛的发展。本文设计并实现了一种基于Wi-Fi技术的室内环境监测系统。基于Gainspan平台完成处理器模块,电源模块,传感器模块和无线通信通信模块的构建,准确获取温度,湿度,光照等传感器数据,节点与服务器建立连接并完成数据的无线传输,成功地实现了环境信息采集。服务器根据各节点无线信号强度RSSI实现节点的定位,同时以B/S的架构搭建WEB实时观测平台,通过通信网络实时接收传感数据,完成对监测区域内目标的监测、定位及其它相关的应用。结果显示,本文设计的环境监测系统性能稳定,数据准确,具有很好的实用价值和应用前景。

WiFi based environment monitoring system design

WiFi（Wireless Fidelity） technology has rapid development in wireless LAN applications with high transmission rate,far transmission distance,and covering a wide range of places.This paper has completed hardware and software design of a kind of WiFi technology based environment monitoring system.It completes processor module,power module,sensor module and wireless communication module design base on Gainspan platform.Access point can accurately get environment data,such as temperature,humidity,light data,establish connection with the server,and send environment data to sever wirelessly.Server can construct real-time monitoring web platform in B/S architecture,position each node based on RSSI data,meantime get environmental information by wireless network,complete real-time monitoring targets.Results show that this environmental monitoring system works stable and accurately,possesses good practical value and application prospect.