Implementation of a greenhouse monitoring system using hierarchical wireless sensor network

A greenhouse monitoring system using hierarchical wireless sensor network (WSN) is presented in this paper. The main parameters required to monitor and control a greenhouse are air humidity and temperature, ground moisture and environment lightness. For the data gathering of these parameters, a hierarchical WSN is presented in this work. In this configuration, the sensors, aggregated with all gathering functionalities, processing and wireless data transmission capabilities, denoted as sensor nodes, are in the lowest level. The router nodes are provided in the middle level to transmit data from sensor nodes to a controller named coordinator node. The coordinator node, in the highest level, is used to communicate with a central base, where all data received are analyzed. The details of a simple implementation of this monitoring system are presented. Many tests are carried out and the results showed that developed monitoring system is working well.

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