DIY synthesizers! Irreverent, noisy machines that you can build yourself! Educational, hackable, 3D-printable. Designed by @rocktronica in SF, CA
This is the OKAY Synth DIY Kit. Assembly required. Includes the PCBs, electronics components, and assembly guide.
If you have your own 3D printer, you can print the enclosure, keys, and all the other non-electronic parts yourself. 3D model STL files are available on Thingiverse and MyMiniFactory. Otherwise, choose from yellow (pictured) or aqua blue (like this but with a slightly different design).
Under the hood, it’s powered by an LM555 timer (astable mutlivabratory), CD4040 ripple-carry binary counter/divider (frequency divider), and an LM386 power amplifier. All are the standard circuits you'll see diagramed in their datasheets.
Interested in a custom design or can't find what you want? Let me know!
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My name is Tommy. I used to be a software engineer at a tech startup. Now I make electronic musical instruments.
I'll write more in this later. In the meantime, feel free to reach out.