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jdotw / OpInst-Bass-1

Three-voice analog synth with a digital control surface using CEM3340, AS3320 and similar discrete analog components.
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IMP Top: midi pull up should be 3.3v #24

Open jdotw opened 3 years ago

jdotw commented 3 years ago

Looks like we are pulling up to 5v on our side of the opto isolator and sending that to the MCU. It would be better to pull it up to 3.3v.