The ElderPi project was born with the aim of being able to detect the position of a person inside their home without the need to carry any identifying element with themselves. It is focused for those elderly or dependent people who live alone and spend long periods of time without the supervision of their caregivers. In addition, this project allows you to detect anomalies in your daily behavior and notify the people responsible for your care if necessary. The demographic evolution for the next few years suggests a future, not so distant, where an aging population with few children will be the new family nucleus standard. This means that the burden of maintaining and caring for parents on the part of their children will be increased. For this reason, in some families it is possible that they do not have the necessary resources for proper supervision. Due to these forecasts, it is necessary to have a system that allows to be controlled at all times. This system has been built from low cost and open source materials that seeks to reach all those who need it. Its simple installation and maintenance is ideal for users unfamiliar with technology. In addition, thanks to the use of wireless technologies it is not necessary to carry out reforms in the home. The architecture of the project is formed, first, by a server, which is responsible for centralizing the flow of data between the user and the sensor network. On the other hand, a series of small sensor devices responsible for measuring and reporting changes relevant to the server are grouped together forming a collaborative network with a well-defined purpose. Finally, the user can access the data from any browser with an internet connection with a simple and clear visualization.
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