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针对远程农田数据采集系统设计的需求,在现场数据采集端,设计了基于WIFI的无线数据采集节点。节点完成农田数据的采集并将数据远程传输到农田监测中心。该节点能自动搜索网络,并定时将数据采集、发送到网络中。在不采集数据的时间段,采集节点处于休眠状态,能最大限度的节约电能。实验证明,节点运行稳定,具有良好的故障恢复能力。低成本、低功耗,有很好的应用价值。
According to the demand of remote farmland data acquisition system design, a wireless data acquisition node based on WIFI is designed on the field data acquisition side. The node completes the collection of farmland data and transmits the data remotely to the farmland monitoring center. The node can automatically search the network, and regular data acquisition, sent to the network. In the period of not collecting data, the collection node is in dormancy state, which can save the power to the maximum extent. Experimental results show that the node is stable and has good fault recovery capability. Low cost, low power consumption, good application value.