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970 .../precadsr-panel-CuTop.gtl | 970 .../precadsr-panel-EdgeCuts.gm1 | 26 .../precadsr_panel_al-F_Cu.gbr | 15 .../PCB/precadsr_Gerbers/precadsr-F_SilkS.gbr | 1166 .../PCB/precadsr_Gerbers/precadsr-NPTH.drl | 17 .../Kosmo_Panel_Mounting_Hole_NPTH.kicad_mod | 17 .../Kosmo_Panel_Dual_Mounting_Holes.kicad_mod | 20 ...o_Panel_Dual_Mounting_Holes_NPTH.kicad_mod | 20 ...Panel_Dual_Slotted_Mounting_Hole.kicad_mod | 35 .../ao_tht.pretty/Perf_Board_Hole.kicad_mod | 16 Docs/precadsr_bom.md | 72 Hardware/PCB/precadsr/potsetc.sch | 602 Hardware/PCB/precadsr/precadsr.cmp | 45 .../fastestenv_Jack_Hole.kicad_mod | 17 ...estenv_Panel_Dual_Mounting_Holes.kicad_mod | 20 .../fastestenv_Panel_Mounting_Hole.kicad_mod | 17 .../Kosmo_LED_Hole.kicad_mod | 17 .../Kosmo_Pot_Hole_NPTH.kicad_mod | 17 .../fastestenv_LED_Hole.kicad_mod | 17 .../fastestenv_Trimmer_Pot_Hole.kicad_mod | 17 .../Bigger_Push_Switch_Hole_NPTH.kicad_mod | 18 Panels/luther_triangle_vco_quentin_v3.scad | 14 ...ther_triangle_vco_quentin_v3_blank.stl.stl | Bin 0 -> 18829299 bytes resistor_keyboard.diy | 497 create mode 100644 Hardware/PCB/precadsr/ao_tht.pretty/Molex_KK-254_AE-6410-03A_1x03_P2.54mm_Vertical.kicad_mod create mode 100644 Hardware/PCB/precadsr/precadsr.net create mode 100644 Panels/a_color_icon_of_a_flying_fireball.webp create mode 100644 Hardware/PCB/precadsr/Kosmo_panel.pretty/Kosmo_Switch_Hole_NPTH.kicad_mod create mode 100644 Fireball/Fireball.kicad_sch Update Fab Plant Research Pages Fab Plant Research Table of Contents Synth Wizards Modules Faceplate Style Notes Title Label 9mm QuentinEF. 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 f80e4975fb checkpoint before trying to implement chaining sandwich Move LED resistors next to a small degree by adding +5V, and both trigger/gate and CV routing updates led holes to PCB edge 15.979999999999999mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 25-pin D-Sub connector horizontal angled 90deg THT male pitch 2.29x2.54mm pin-PCB-offset 9.4mm 15-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, male, pitch 2.77x2.54mm, pin-PCB-offset 9.4mm, see http://docs-europe.electrocomponents.com/webdocs/1585/0900766b81585df2.pdf 62-pin D-Sub connector horizontal angled 90deg THT male pitch 2.77x2.54mm pin-PCB-offset 9.4mm 15-pin D-Sub connector, horizontal/angled (90 deg.

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