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Matt Mets made a rotation-based MIDI controller using a motor, disc, webcam, and OpenCV. Source code included.
10 thoughts on “Spinner synth”
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…before he realizes you can rotate things in software? :)
He’s working for a childrens’ museum, so how much less fun would that be?! =]
I missed that part — you’re totally right! I can imagine half the fun is trying to get things where you want them, and having that not work :) Maybe magnets would be easier than tape? I’m curious to see what his final synth looks like.
Thanks! Yeah, my actual plan for this is to make a larger wheel out of steel and use brightly colored magnets, but wood is much easier to manufacture for a prototype :-).
I was about to suggesting to get rid of magnets placing the wheel horizontally, when I suddenly realized how similar it would be to a merry-go-round.
It should fairly easy to place te webcam on top of the carousel and change the software to detect children’s positions.
I can’t wait to see how chldren react to the thing!