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A One-Button Game System

Here’s a radical idea: Put down that PSP for a while. Give your tired fingers a break from its complex configurations of buttons and action controls, and try a whole different kind of game machine, one that uses just a single button and can be built and modified at home. At the core of this simple yet elegant retro game platform is a device called a ScreenKey, a small LCD screen built on top of a pushbutton. Couple it with a tiny programmable microcontroller, and you have a complete portable DIY “GameKey” system.