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On http://www.latticesemi.com/view_document?document_id=213 Lattice caBGA-756, ECP5 FPGAs, based on https://www.schmitzbits.de/ms20.html which is an ADSR 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) * [BOM](Docs/precadsr_bom.md) * [Build notes](Docs/build.md) How to use 7.5mm holes, not 6mm alpha pots - 9.8mm, +2mm rotary - 11.5mm, +3.5mm -- biggest by far, maybe 12.6mm? Alpha pots: barely enough to attach knob Schematics/SynthMages.pretty/Alpha Rotary 12.kicad_mod 46 lines From 398c2b234cc710f69bb9085257ff5dbf3509a410 Mon Sep 17 00:00:00 2001 Subject: [PATCH] traces added but maybe won't keep From 52a9fa26f6a6a8c4f7e3fc085f8b6ccdd7541277 Mon Sep 17 00:00:00 2001 .../Panels/HOLD PORTAL.png | Bin 0 -> 676484 bytes 3D Printing/Panels/FIREBALL VCO.png | Bin 0 -> 292681 bytes rename LUTHERS_VCO.diy => Schematics/LUTHERS_VCO.diy (100% create mode 100644 3D Printing/Rails/18hp_outie.stl | Bin 0 -> 46787 bytes Datasheets/tl074.pdf | Bin 0 -> 46787 bytes Datasheets/tl074.pdf | Bin 0 -> 69774 bytes Images/precadsr-panel-art.png | Bin 0 -> 684 bytes create mode 100644 Panels/Font files/futura medium condensed bt.ttf | Bin 0 -> 33312 bytes Panels/FireballSpellVertSmaller.png | Bin QuentinEF.ttf => Panels/QuentinEF.ttf | Bin 0 -> 12821 bytes .../Panels/COLOR SPRAY.png | Bin 0 -> 30552 bytes From b284a71188b23f9f8c43bee1fcce2820249f4384 Mon Sep 17 00:00:00 2001 Subject: [PATCH] A couple more GND-stitch vias Undo converting GND to GND_JMP and fix everything that broke 3583986e89 Finished PCB, passes all passable DRCs .../Unseen Servant/Unseen Servant.kicad_pcb | 3143 .../Unseen Servant/Unseen Servant.kicad_sch | 647 Latest commits for file Schematics/LUTHERS_VCO.diy Update luther's layout organize a bit LUTHERS_VCO.diy => Schematics/LUTHERS_VCO.diy (100% create mode 100644 Hardware/PCB/precadsr/potsetc.kicad_sch delete mode 100644 3D Printing/AD&D 1e spell names in Filmoscope Quentin/HOLD PORTAL.png Normal file View File Hardware/PCB/precadsr_Gerbers/precadsr-Edge_Cuts.gbr Normal file View File 3D Printing/AD&D 1e spell names in Filmoscope.

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