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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 Synth_Manuals/ElektorFormantMusicSynthesiser.pdf 0d3d72c49e Use THT electrolytics, finish SMT layout, try on quentin font for size From d8deca9307af08e321f2f6168a97d7f0d7734956 Mon Sep 17 00:00:00 2001 Subject: [PATCH] Delete 'Panels/futura medium bt.ttf' Panels/futura medium bt.ttf | Bin 0 -> 11692 bytes .../HOLD PORTAL.png | Bin 0 -> 676484 bytes 3D Printing/Pot_Knobs/repere_v3.stl | 170 3D Printing/Pot_Knobs/scaled_french_pot.mix | Bin 0 -> 2510902 bytes create mode 100644 Synth_Manuals/LABOR_MANUAL.pdf create mode 100644 3D Printing/Pot_Knobs/potentiometre_v3_1.5_merged.stl create mode 100644 Hardware/Panel/precadsr_panel_al_Gerbers/precadsr_panel_al-F_Cu.gbr create mode 100644 Hardware/PCB/precadsr/Kosmo_panel.pretty/Kosmo_LED_Hole.kicad_mod delete mode 100644 Docs/precadsr_bom.md create mode 100644 Hardware/PCB/precadsr/ao_tht.pretty/Arduino_Nano.kicad_mod delete mode 160000 Kosmo_panel path = aoKicad deleted file mode 100644 Hardware/PCB/precadsr/ao_tht.pretty/Wall_wart_A-4118.kicad_mod delete mode 100644 Panels/luther_triangle_10hp.scad create mode 100644 Hardware/PCB/precadsr/Kosmo_panel.pretty/Kosmo_Panel_Mounting_Hole_NPTH.kicad_mod delete mode 160000 Hardware/lib/aoKicad create mode 100644 Hardware/PCB/precadsr/Kosmo_panel.pretty/Kosmo_Switch_Hole.kicad_mod delete mode 100644 Hardware/PCB/precadsr/ao_tht.pretty/DIP-16_W7.62mm_Socket_LongPads.kicad_mod create mode 100644 Hardware/PCB/precadsr_aux_Gerbers/precadsr-B_Paste.gbr create mode 100644 3D Printing/Panels/Radio_shaek_standoff_padded.stl create mode 100644 Hardware/PCB/precadsr/ao_tht.pretty/DIP-16_W7.62mm_Socket_LongPads.kicad_mod delete mode 100644 Hardware/Panel/precadsr-panel/precadsr-panel.pretty/precadsr-panel-holes.kicad_mod create mode 160000 Hardware/lib/Kosmo_panel delete mode 100644 Hardware/Panel/precadsr_panel_al/fp-lib-table create mode 100644 Hardware/PCB/precadsr/Kosmo_panel.pretty/Kosmo_Jack_Hole.kicad_mod delete mode 100644 Hardware/PCB/precadsr/ao_tht.pretty/SPDT-toggle-switch-1M-series.kicad_mod delete mode 100644 Hardware/PCB/precadsr/ao_tht.pretty/SolderWirePad_1x01_Drill0.8mm.kicad_mod create mode 100644 3D Printing/Panels/AD&D 1e spell names in Filmoscope Quentin/Panels/POLYMORPH.png' 9bb3093b2bc14210884f0107e7a2898b2161266b Delete '3D Printing/AD&D 1e spell names in Filmoscope Quentin' d8a7439c05 Upload files to '3D Printing/Panels/AD&D 1e spell names in Filmoscope setup Add ground fills, fix some clearance issues, make all power main synth_tools/Schematics/SynthMages.pretty/Switch.lib 1741 lines main synth_tools/Schematics/SynthMages.pretty/POT_2_PIN_Header.kicad_mod 44 lines main ENV/Envelope/Envelope.kicad_pcb 2 lines 56529bef3a Go to file 2cbdb94ba9 updated C5 footprint & tracing; schematic annotation updated C5 footprint & tracing; schematic annotation update with full threaded nose and fishtail PCB pins, https://www.neutrik.com/en/product/nmj4hhd2 M Series, 6.35mm (1/4in) stereo jack, switched, with full threaded nose, sleeve contact/front panel connection, https://www.neutrik.com/en/product/nrj4hh-1 Slim Jacks, 6.35mm (1/4in) stereo jack, switched, with a diode matrix to select segments from each step. UI: One potentiometer per step, to set output voltages. (10) One potentiometer per step, to indicate current step. (10 One potentiometer per step, to enable/disable gate per step. (10 - CLOCK out - RESET / CASCADE out - CLK out - CV Out - 1K to TP5 Gate Out - Diode from rotary pin 13 main synth_tools/3D Printing/Cases/Eurorack Modular Skeleton/Eurorack_box_v105.stl Executable file View File Images/IMG_6770.JPG Normal file View File Panels/a_color_icon_of_a_flying_fireball.webp Normal file View File Schematics/Luthers_VCO_schematic.pdf Normal file View File 3D Printing/Pot_Knobs/potentiometre_v3_1.5_merged.stl Normal file View.

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