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This section is meant to provide updates about the work being developed along the semester in order to keep track of all the intermediary steps before the final product, the problems we faced along the way and the tests performed in order to get the several implementation steps validated. 

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Work logs:

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• Gannt chart regarding theoretical deadlines initially defined;

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• Website layout;

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• Definition of project requirementes;

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• Choosing/requesting all the materials;

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• Build of an initial schematic comprising all the components to be used;

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• Definition of MCD23S17 functions;

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• Programming of SPI communication protocol for MCP23S17;

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• Build on breadboard of circuit - [1] - comprising one LED connected to Raspberry Pi 2 through MCP23S17;

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• Test of SPI protocol on MCP23S17 in circuit [1]

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• Build on breadboard of circuit - [2] - comprising one optocoupler and one relay connected to Raspberry Pi 2 through MCP23S17 and ULN3008A IC; 

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• Test circuit of one relay and one optocoupler through ULC2803A IC, circuit [2];

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• ​Build of the PCB layout;

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• Manufacture of the PCB;

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• 7-segments display driver programming;

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• LCD driver programming;

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• Tasks handler implementation through semaphores;

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• SUBA tests;

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• Final website update;

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