Developing an ambient data acquisition network with microcontrollers

OData support
Supervisor:
Dr. Iváncsy Szabolcs
Department of Automation and Applied Informatics

In the recent years, the need for measuring the attributions of our close ambient environment has been constantly increasing. As a consequence, there has been a sharp rise in the spreading of devices which are capable of this task. As technology advances, we want to integrate these surveillance tools in smart homes, and the Internet of Things, in order to make their use simpler, more efficient.

In my thesis I designed and implemented a low-cost, wirelessly communicating environmental sensor and actuator system. Using the system is easy to learn, all functions can be controlled over the web interface, or via the built-in user interface. Conencting new modules to the system is easy even for the inexperienced IT users. The measured data from the remote units and the interveners in the operation can be checked both on the Web and on the central unit controls. The central unit is powered by AC power, but the remote units are powered by two AA batteries per unit. The system is cheap to buy, since the sensor unit is capable of operating in standalone mode, and does not require the presence of a central unit. To reach the longest possible service life of units without the need of replacing the batteries, I chose the components with the lowest possible power consumption to achieve reliable operation, and long service life.

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