Damn, this is cool. An open source OP-1 clone
Not really sure how it stacks up against the OTTO, but it looks like it's easier to DIY.
https://hackaday.com/2022/06/14/lmn-3-putting-the-op-in-open-source-synthesizers/
#openSourceHardware #openSourceMusic #openSource #openSynthesis #synth #musicHardware
#opensourcehardware #opensourcemusic #opensource #opensynthesis #synth #musichardware