The schematic I built in this video can be found here: http://www.dinsync.info/2010/06/how-to-modify-korg-monotron.html
More info about the Monotron: https://www.korg.com/us/products/dj/monotron/
More info about the Keystep: https://www.arturia.com/keystep/overview
Support what I do on Patreon: https://www.patreon.com/dhilowitz
Find my FILM & INSTRUMENTAL music here: https://davidhilowitz.bandcamp.com
Find my ROCK MUSIC here: https://manwomanchild.bandcamp.com