I'm not sure that has the automatic feedback system to calibrate voltage to note... | Hacker News

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		monocasa on Sept 10, 2020 \| parent \| context \| favorite \| on: Using a Raspberry Pi to Add MIDI to a CV Synthesiz... I'm not sure that has the automatic feedback system to calibrate voltage to note on arbitrary synths like is the bulk of the work listed in the article.

kennywinker on Sept 10, 2020 [–]

this is the real win they got from using a raspberry pi - they could throw a cheap usb audio interface on it and get a feedback system. They could, of course, have done this using an ADC on a cheaper microcontroller - but it would have been a lot more coding to write the audio input and calibration from scratch.

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