DIY synthesizers! Irreverent, noisy machines that you can build yourself! Educational, hackable, 3D-printable. Designed by @rocktronica in SF, CA
Monophonic: Only one note at a time can be played. This is opposed to “polyphonic,” where multiple simultaneous notes can be played. Analog: There are no computers, microcontrollers, sound sam...Read More…
This is the OKAY 2 Synth DIY Kit, and it's just like the original OKAY Synth but now features two octaves of keys and a 1/4" audio out jack. 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.
If you want 3D-printed parts included, please note that they will be printed on demand. These orders typically ship within one business week.
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 diagrammed 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.