Moduláris felépítésű világítórendszer tervezése

OData support
Supervisor:
Dr. Berényi Richárd
Department of Electronics Technology

The task of my thesis was to study the structure, working and communication methods of various modular home automation systems and to plan and build a modular lighting control system similar to them, based on the acquired informations. My system has to have a controller, and many controlled appliances, which we can control separately. The following directives were considered during the planning phase:

- The controlled units must be relatively small

- The created network must be capable of controlling units added later to the network, without major rewiring

During the planning and materializing I had to learn about the Arduino open source electronic prototyping platform, and the usage of AVR microcontrollers. I had to make programs for both platforms, thus I had to acquire basic programming knowledge for both the Arduino’s, and Atmel’s development environment.

Also I had to study various forms of communication methods which i could use to connect the units, and learn about their downsides and advantages compared to each other, mainly about SPI and I2C buses. For implementation I chose the SPI bus, but I had to customize it, and design a simple communication protocol for it, to make it able to work with software addresses.

To reach the goal of my thesis, I also had to design the whole circuit. I used EAGLE layout editor, where I had the opportunity to design a two sided PCB on my own, which was sent into production. During the assembly procedure I used manual pick&place, and vapour phase soldering appliances.

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