There’s this whole class of vertically scrolling rhythm games that take both hands and look really fun to play, albeit hard on the joints. You can buy specialized controllers for them, but they’re ridiculously expensive for what they are — just a handful of switches and two knobs. It’s exactly the kind of thing you should build to your taste for far less money.
Inspired by a pocket version of the Voltex controller that is also pretty darned expensive, [OmniSaiRen] set out to make their own on the cheap by building an awesome little macro keyboard that’s smaller and easier to use than the specialized controller. Inside there’s an Arduino Pro Micro taking input from eight Cherry MX switches and two optical encoders. The game treats the encoders as vertical and horizontal mouse movements, so [OmniSaiRen]’s code scans the encoders for their positions.
[OmniSaiRen] wrote their own matrix code and says it’s ugly, but it works well enough to play the game. What more can you ask for? A cool sticker to go on the top? Done. It’s too cold outside to paint, anyway. If it’s a one-handed game pad you need, check out this sweet little thing.
Via r/duino
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