https://diode.zone/videos/watch/2c69c339-ed4e-46c5-8ac2-5657c6371342 The beginnings of a eurorack VCO based on an esp32 microcontroller running micropython. DAC/DDS provided by the AD9833 breakout board. The volts/octave input is working for all three audio waveforms and multiple CV waveforms, which you can see and hear in the audio result. It's interesting that the audio frequency varies somewhat from the CV input. This is especially noticeable with square CV. It looks like some RC time constant after my yellow probe but before the microcontroller ADC reads the value. Tue, 20 Oct 2026 09:34:57 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://diode.zone https://diode.zone/lazy-static/avatars/61b689b7-84d5-43c7-9fa8-e63a7fd1d952.png https://diode.zone/videos/watch/2c69c339-ed4e-46c5-8ac2-5657c6371342 All rights reserved, unless otherwise specified in the terms specified at https://diode.zone/about and potential licenses granted by each content's rightholder.