The Minthesizer is a low voltage, low power, analog synthesizer. The board is almost entirely made from surface-mount components, so you better have a steady soldering hand if you try and make one for yourself. Check out the link for more information about the build, including the schematics. – Link
Related:
Matchbox Synthesizer – Link
I currently teach in Lehigh University’s Master’s of Technical Entrepreneurship program. I'm also an kit maker, author, father, tinkerer, and member of the MAKE Technical Advisory board.
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See http://www.minthesizer.com