This End Career Project focuses on knowledge and use of wireless sensor networks (WSN) technology. This project builds a system that allows monitoring the temperature of a building to determine its energy efficiency. On the other hand, it will develop a model to determine the consumption of a sensor node and estimate its life time within the network. The system consists of three applications. The first one, which is installed into sensors nodes, will monitor the temperature of a building and send this information through the network to the gateway node. The second one will be installed into the gateway node and it will gather all the information circulating from the network and forward it to a base station. The last one, installed on the base station, will display and store all the information from the sensor network for further study. The sensor nodes are devices that have energy constraints owing to its wireless nature. The model to be built reveals the consumption of a node running a certain application and estimate the battery life. Thanks to this model it is possible to compare the energy consumption behaviour of a node for different implementations of an application, in order to seek the maximum lifetime of a sensor node. ________________________________________________________________________________
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