[sdiy] $100 Chip fab service

[cheater00 cheater00]

So apparently the people behind RISC V want to start a service where you
can send your chip designs in and get them made. I wonder if this would be
useful for analog.. this could really launch analog synths into the
stratosphere. Perfect replacements for old rare chips, great new designs,
better OTAs, oscillators, envelopes, amps... sounds almost too good to be
true, so there's good reason to follow this.

Bear in mind this has loads of transistors.. so you could easily fit
multiple (16? 64?) complex synth voices plus fx plus a micro to control
them on one $100 chip and have all sorts of IO, too (probably best muxed as
a single serial line to use as few pins as possible)

https://hackaday.io/project/152709-itsy-chipsy-make-your-own-100-chip
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