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Simple one, using Arduino (nano or uno) + MCP4725 (DAC). ** https://hkadesign.org.uk/monotronkb.html for yet another fairly simple one, using Arduino (nano or uno) + MCP4725 (DAC). ** https://hkadesign.org.uk/monotronkb.html for yet another version Alternative: CV from something else use a ground plane. - when pressed, short +12V and Reset In - ~27K to U3-8? No, transistors maybe activate? Clock Out - 1K to TP5 Gate Out - 1K to TP5 - Gate out (could normal to TP10, optional 2x Toggle Switches, 2pin: all step switches (all go to same bus 2x Pushbutton switches, all 2pin: - all step switches (all go to same bus 2x Pushbutton switches, all 2pin: - step - reset Pots, 3-pin: - Glide In - U1-13 (can get at from top when assembled Stop Switch - 10 ohms between U1-14 and U2-1 when off, more like 1M ohms when off - Glide attenuator (B10k) (join two left pins from below Pots, 2-pin: - Glide, manual (A100k) (two left pins, from below - Clock in socket with 80 contacts (40 each side), through-hole, http://www.4uconnector.com/online/object/4udrawing/10156.pdf 4UCON.

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