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BackUnescape Schematics/SynthMages.pretty/Perfboard_4x12.kicad_mod Normal file Unescape DEF Kosmo_panel_Ground_point_for_NPTH GP 0 40 N N 1 F N DEF 2_pin_Molex_header J 0 40 Y Y 1 F N DEF SW_Push_Dual SW 0 0 Y N 1 F N DEF Vactrol U 0 5 Y Y 1 F N DEF SW_Push_45deg SW 0 40 Y N 1 F N DEF Synth_power_2x5 J 0 40 Y N 1 F N **UI:** -2 5mm LEDs -Consider: 1 simple on/off switch/button/knob/etc. Period: 1 week 1 day This is an ADSR envelope generator synth module. Layout and panel are Kosmo format. * [Schematic](Docs/precadsr.pdf) * PCB layout: 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 Latest commits for file Schematics/SynthMages.pretty/IDC-Header_2x05_P2.54mm_Vertical_Fixed_Ground_Fill.kicad_mod Fix annoyance of 2x05 IDC header triangle being so far out From a3ef080e1b121b539473d6a28338113ee94a7aee Mon Sep 17 00:00:00 2001 Subject: [PATCH 10/13] glide fix - Errant connection between R25 and R1. This needs to be a contributor! Latest commits for file Panels/FireballSpell_Large_bw.png.svg Latest commits for file Synth_Manuals/The MIDI Manufacturers Association - 1995 - MIDI 1.0 Detailed Specification.pdf | Bin 0 -> 12724 bytes .../Panels/POLYMORPH.png | Bin 684 -> 1394884 bytes Panels/title_test_18.stl | Bin 0 -> 13714 bytes .../precadsr-panel-Gerbers/precadsr-panel.drl | 47 .../precadsr-panel.gbrjob | 126 .../precadsr-panel/precadsr-panel-cache.lib | 106 .../precadsr-panel-rescue.kicad_sym | 228 .../precadsr-panel/precadsr-panel.kicad_pro | 481 .../PCB/precadsr_Gerbers/precadsr-F_Paste.gbr | 15 .../precadsr_Gerbers/precadsr-Edge_Cuts.gbr | 4 style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:0.194444px;font-family:Limelight;-inkscape-font-specification:'Limelight, Normal';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-feature-settings:normal;text-align:center;writing-mode:lr-tb;text-anchor:middle;fill:#000000;stroke-width:0.0104167">KASSU / AO