POLY555 Synth
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<iframe src="https://player.vimeo.com/video/487720782" width="640" height="360" frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe> https://vimeo.com/250683009 <br /> The POLY555 is a <em>polyphonic</em>, analog, square wave synth based on the <em>555</em> timer chip. - <strong>Polyphonic:</strong> Multiple notes can be played simultaneously. This is opposed to "monophonic," where only one note at a time can be played. - <strong>Analog:</strong> 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. - <strong>Square-wave:</strong> When its output is viewed on an oscilloscope, its wave resembles a square. It’s a “hard” sounding wave type, commonly associated with chiptune music and old video games These are the 3D models for the [POLY555 Synth DIY Kit](https://www.oskitone.com/product/poly555-synth-diy-kit) from Oskitone. ### Assembly Guide Find a detailed assembly guide with printing and soldering instructions at [https://oskitone.github.io/poly555/](https://oskitone.github.io/poly555/) ### Updates * **January 23, 2021:** Added reduced_test_case * **November 2, 2021:** Chamfer headlocking cavity on trimpot_knob
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