This page looks at the maths and electronics of how Stitch Synth works. I could probably fill an entire book with this (and maybe someday I will!), but as this was a three month project, during which time I also needed to research, design, and build Stitch Synth, I focused on documenting how to play and make it. So here, I'll explain some things myself, but will also point you towards great resources that already exist in other places online.
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Stitch Synth is a modular, e-textile, analog synthesizer. That's the most concise way to describe exactly what it is, but it's also a bit of a mouthful of jargon. So let's start by breaking down those terms.

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## Modular
Probably the simplest part to understand, 'modular' means that Stitch Synth is made of separate parts, or modules, that connect together. Modular synths have been around since the 1960s, and are still in use today. Classic modular synths use patch cables (the coloured wires in the image below) to connect inputs and outputs of different modules together - personally I'm a big fan of the 'big mess of wires' aesthetic, but it is also pretty complex, and totally bewildering for newcomers to modular synthesis
Probably the simplest part to understand, 'modular' means that Stitch Synth is made of separate parts, or modules, that connect together. Modular synths have been around since the 1960s, and are still in use today. Classic modular synths use patch cables (the coloured wires in the image below) to connect inputs and outputs of different modules together - personally I'm a big fan of the 'big mess of wires' aesthetic, but it is also pretty complex, and totally bewildering for newcomers to modular synthesis.
