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Back(sw13) - pushbutton // manual step (featuring debouncing!), sequencer cascading, basic glide (for portamento), attack decay sustain release envelope generator synth module. Layout and panel are Kosmo format. * [Schematic](Docs/precadsr.pdf) * PCB layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf ## Git repository ### Git repository * [https://github.com/holmesrichards/precadsr](https://github.com/holmesrichards/precadsr) * [https://gitlab.com/rsholmes/precadsr](https://gitlab.com/rsholmes/precadsr This repo uses submodules aoKicad and Kosmo_panel, which provide needed libaries for KiCad. To clone: ``` git clone git@gitlab.com:rsholmes/precadsr.git git submodule init git submodule init git submodule update ``` ``` aoKicad/ao_symbols Kosmo_panel/Kosmo ``` and footprint libraries ``` aoKicad/ao_tht Kosmo_panel/Kosmo_panel. ``` From 5cacbfea2e523d618ea3bcbc0bca9c37eb36f10d Mon Sep 17 00:00:00 2001 Subject: [PATCH] Notes from MK's PCB livestream Footprints: - avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals - make power connection traces larger; MK uses a CA3080 OTA, an expensive and rare chip these days ($3/ea on amazon, maybe fakes) VCA MK's VCA Everything by Hagiwo (quantizer, filters, noisemakers, etc) MIDI-to-CV, either over USB or directly over 5-pin DIN (with optoisolator Deleting the wiki page "Samba Reggae 1" cannot be undone. Continue? Facet normal -4.720730e-001 8.093104e-001 3.495194e-001 facet normal 0.779907 -0.400391 0.481074 facet normal -0.115344 0.000261241 0.993326 vertex 6.33956 0.410784 7.82455 facet normal 8.550802e-01 5.222628e-03 5.184694e-01 facet normal 0.338927 0.181147 0.923209 facet normal 0.0464227 -0.0868543 0.995139 facet normal 0.5 -0.866025 0 facet normal -4.318513e-001.
- Absolute / metric / decimal.
- Normal -4.999973e-001 -8.660269e-001 0.000000e+000 vertex -1.053366e+000 -7.037627e+000 1.747200e+001.
- 0.22241 -0.884711 0.409659 facet normal 0.885456.
- DFN14, 4x4, 0.5P; CASE.