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Update 'README.md' From ec67859b1c2779470b99801ce69f8850b83fa3e1 Mon Sep 17 00:00:00 2001 .../Panels/MAGIC MOUTH.png | Bin 0 -> 10174 bytes .../Panels/PRISMATIC SPHERE.png | Bin 0 -> 11930 bytes 3D Printing/Pot_Knobs/repere_v3.stl Normal file Unescape Hardware/PCB/precadsr/ao_tht.pretty/D_DO-41_SOD81_P7.62mm_Horizontal.kicad_mod Normal file Unescape Hardware/PCB/precadsr/Kosmo_panel.pretty/Kosmo_Panel_Dual_Mounting_Holes.kicad_mod Normal file View File 3D Printing/Cases/Eurorack Modular Case/EuroRack_Case_20.png Executable file View File Schematics/Unseen Servant/Unseen Servant.kicad_sch | 551 Schematics/Unseen Servant/fp-info-cache | 85626 main synth_tools/Schematics/SynthMages.pretty/Potentiometer_Alpha_RD901F-40-00D_Single_Vertical_CircularHoles_Shaft_Centered.kicad_mod 48 lines Assembly Notes: Do not connect the Normal pin for op amp in schmidt inverter mode, maybe both 7808 and hex inverter trigger are unnecessary? Alternative: Midi -> CV Alternative: CV from something else VCF MK's Diode Ladder VCF Kassutronic's KS-20 VCA MK's VCA Probably a straightforward build: one op-amp, four transistors and some example modules Envelope/Envelope.kicad_pcb | 2 | 4.7k | Resistor | | | R24, R26, R28 | 3 | 1nF | Film capacitor | Tayda | A-1624 or A-2969 | | R30 | 1 | B10k | Potentiometer | | J12 | 1 4 files changed, 37 deletions(- delete mode 100644 Hardware/PCB/precadsr/potsetc.sch create mode 100644 Hardware/PCB/precadsr/Kosmo_panel.pretty/Kosmo_Panel_Mounting_Hole_NPTH.kicad_mod delete mode 100644 Hardware/PCB/precadsr/Kosmo_panel.pretty/Kosmo_LED_Hole.kicad_mod delete mode 100644 Panels/Font files/Quentincaps.ttf create mode 100644 Hardware/PCB/precadsr/ao_tht.pretty/CP_Radial_D6.3mm_P2.50mm.kicad_mod delete mode 100644 Docs/precadsr_layout_back.pdf (grid_origin 97.28 88.9 Mon 10 May 2021 12:33:34 AM EDT Mon 10 May 2021 12:33:34 AM EDT Mon 10 May 2021 12:33:34 AM EDT R14, R15 values changed\ndue to availability Kassu used 1 µF \npolyester film looks much \nbetter. Low-Power, Quad-Operational Amplifiers, DIP-14/SOIC-14/SSOP-14 Dual Operational Amplifiers, DIP-8/SOIC-8/TSSOP-8/VSSOP-8 Audio Jack, 2 Poles (Mono / TS), Switched T Pole (Normalling)"/> 100V 0.15A standard switching diode, DO-35 | | | | | | C4, C5 | 3 | 22k | Resistor | | | | 1 Hardware/lib/aoKicad | 1 | SW_3PDT_x3 | 3PDT miniature toggle switch - 9.5mm, +5mm extra space available - mini toggle pushbuttons: ample space above pcb micro toggle: probably too short without extra spacers, use mini toggle pushbuttons: ample space above 11.75mm (existing 1p12t rotaries, use 11.25mm holes to PCB edge 11.32mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 37-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 15-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 15-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, male, pitch 2.41x2.54mm.

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