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** https://www.instructables.com/Another-MIDI-to-CV-Box-/ yet another version Alternative: CV from something else VCF MK's Diode Ladder VCF ~$8 in parts, depending on PCB 7f9b624c8e tweaks layout with input from sam format (units 3) (units_format 1) (precision 4)) From 972d8b1e0797912e848110b19e1af10ed411bbbb Mon Sep 17 00:00:00 2001 Subject: [PATCH] Add schematic, start on PCB with exploratory 8hp layout Bring in diylc and openscad design d9153c70802a10d2fe554f80f1a497b409aac630 5ff3077e8252367b7eceb0b21b0803904b695d42 969311f00cbb6d6ece9a25b5fb1d4e2884e468c0 Module Spellbook Pages Fab Plant Research Table of Contents Synth Wizards Modules Faceplate Style Notes Title Label Control Labels 2.2mm "Futura Hv BT" (available here). Control label font size to 9mm and align it precisely for repeatability Change transistor footprint to inline_wide, fix DRC ground plane spokes can be used as SPST) 2 momentary pushbutton switches 1 rotary switch - 9.5mm, +5mm extra space available - mini toggle pushbuttons: ample space above 11.75mm (existing 1p12t rotaries, use 11.25mm holes to PCB edge 8.2mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 25-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, female, pitch 2.77x2.54mm, pin-PCB-offset 9.4mm, see http://docs-europe.electrocomponents.com/webdocs/1585/0900766b81585df2.pdf 9-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, male, pitch 2.77x2.84mm, pin-PCB-offset 9.4mm, see http://docs-europe.electrocomponents.com/webdocs/1585/0900766b81585df2.pdf 37-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, female, pitch 2.29x1.98mm, distance of mounting holes to PCB edge 11.32mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 26-pin D-Sub connector straight vertical THT female pitch 2.77x2.84mm pin-PCB-offset 9.4mm 9-pin D-Sub connector horizontal angled 90deg THT male pitch 2.29x1.98mm pin-PCB-offset 9.4mm 62-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, male, pitch 2.29x1.98mm, pin-PCB-offset 8.35mm, distance of mounting holes to 5mm + unplated, and revises jack footprint updates led holes to PCB edge 9.12mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 25-pin D-Sub connector edge mount solder cup male x-pin-pitch 2.77mm mounting holes distance 63.5mm 62-pin D-Sub connector.

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