LED-Wiz
From BYOACWiki
The LED Wiz is a product designed to drive multiple LEDs. A key feature is control of the the color using a combination of red green and blue LEDs. The general idea is that lighting translucent or transparent plastic buttons with the color of the original arcade game buttons can help a player figure out which buttons need to be used during emulation of various games.
Several people have worked together on the software required to make this a reality.
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