Everybody who owns an Arduino (Uno and Mega mostly, however other models also fit this require), should have notice those set of pins he never had used and  think would never will (at least I thought that), until  I had to store another Arduino’s bootloader or even, for any other reason, need to program another Arduino through a working Arduino ( Arduino as a programmer ) .
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First of all I’d like to thank the one who deserves it for all the help. Thank you my friend  Fábio Lutz for helping me doing almost all the wood working and helping me to understand and learn how to use an Autocad. Backing to the project, the main idea is basically what the title says, my intention in the very begining was to put an embedded PC inside it and connect it on a TV. The embedded stuff I will do in a next project. For now only the joystick, in this version here it is running SDLmame in a Gentoo Linux. I will try to show the steps.
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The SD memory cards are very good devices to store data (mostly photos and videos). On the raize of the Smartphones, the MicroSDs took the position of the most used from their predecessors and, considering the current technology, they can store lots of GBs of data (even 1TB cards are becoming available now, which is pretty impressive).
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