Tindie

OKAY Synth DIY Kit

Monophonic, analog, square-wave synthesizer with 1 octave of keys and octave divider

Designed by Oskitone in United States of America

OKAY Synth DIY Kit 1

OKAY Synth DIY Kit 2

OKAY Synth DIY Kit 3

OKAY Synth DIY Kit 4

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OKAY Synth DIY Kit 8

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$50.00

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Sold out since Feb 18, 2019

DIY synthesizers! Irreverent, noisy machines that you can build yourself! Educational, hackable, 3D-printable. Designed by @rocktronica in SF, CA

Monophonic, analog, square-wave synthesizer with 1 octave of keys and octave divider

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 sampl…

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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 samplers, or anything digital involved. The sound you hear is the sound of a speaker being abused by discrete electronic components like capacitors and resistors and logic chips.
Square-wave:
When its output is viewed on an oscilloscope, its wave resembles a square. It’s a “hard” sounding wave type, great for bass lines, and commonly associated with chiptune music and old video games.

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.

More about the OKAY

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.

Monophonic with high note priority
Six selectable octaves and one octave of keys
Satisfying "clicky" tactile switches
Built-in amplifier and speaker
9v battery required, not included

Version: 1.1.1

See it in action here, here, and here. And read all about it here.

Interested in a custom design or can't find what you want? Let me know!

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$50.00

Out of Stock

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Sold out since Feb 18, 2019

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