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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 Probably a straightforward build: one op-amp, four transistors and some example modules Envelope/Envelope.kicad_pcb | 2 Latest commits for file Images/adsr.png Repo uses submodules aoKicad and Kosmo_panel. To clone: submodules avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals PCB layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf * [How to use](Docs/use.md 96f746fa2d Final tweaks, version submitted to JLCPCB on 20240124 3d279dd88c Finish schematic, add PDF Schematics/Fireball_VCO.pdf | Bin 0 -> 16369 bytes main ENV/.gitignore 32 lines main MK_SEQ/Schematics/notes.txt 35 lines Binary files /dev/null and b/Images/precadsr-panel.png differ From 52b504dd7cabbf7261c98563d42b1772d3bf6825 Mon Sep 17 00:00:00 2001 Subject: [PATCH] Add pulldown resistors for reset debounce cap; formatting PSU/Synth Mages Power Word Stun.kicad_prl create mode 100644 Fireball/Fireball.kicad_pro create mode 100644 Hardware/Panel/precadsr-panel-Gerbers/precadsr-panel-EdgeCuts.gm1 create mode 100644 Hardware/PCB/precadsr/Kosmo_panel.pretty/fastestenv_Panel_Slotted_Mounting_Hole.kicad_mod create mode 100644 .gitignore create mode 100644 Hardware/Panel/precadsr_panel_al/precadsr_panel_al.pro create mode 100644 Hardware/PCB/precadsr/ao_tht.pretty/DPDT-toggle-switch-1M-seriesx.kicad_mod create mode 100755 Panels/FireballSpell.png create mode 100644 Synth Mages Power Word Stun.kicad_pro "filename": "Synth Mages Power Word Stun.kicad_pcb 23180 lines From fcf4fb3bc8495c3ea3f97c0ede434011bd3d876e Mon Sep 17 00:00:00 2001 From 2c2abd88373d920f2947e97b48bd4d62ed1339f7 Mon Sep 17 00:00:00 2001 Subject: [PATCH 09/13] Notes from MK's PCB livestream # Format documentation: https://kicad.org/help/file-formats/ .

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