nRF24L01 based home automation system

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Lajtha András Balázs
Department of Telecommunications and Media Informatics

Nowadays we are on the verge of the explosion of the smart home market. While available for more than a decade, the penetration of smart home technology is still low, due to their high price or complexity of the installation process. The currently popular applications are designed to control one, or at most a few devices, which is far away from the real smart home experience, where all the equipment in your house can be controlled with a single network.

A network based on the nRF24L01+ radio transceiver could provide a solution for both problems. The transceiver is cheap, which means low cost devices, a lot more nodes can be installed from the price of competing products. Keeping product as simple as possible during developement and the use of wireless technology is the answer to the second problem. A smart home application built on the top of this technology makes it possible to control nearly every devices in your home fom anywhere, anytime.

The system consists of a lot of simple nodes and a central unit. The central unit is responsible for the management of the network, routing, and traffic control. Furthermore the devices in the smart home network should be accessible from the internet through that. This paper’s main subject is the design, implement and test a this smart home central unit.


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