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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 Latest commits for file Panels/FireballSpell.png Add panels From d62e7c6861a31de12fc24143b97961d87c355a55 Mon Sep 17 00:00:00 2001 Subject: [PATCH] Checkpoint after re-centering sliders, before removing redundant LED resistors light tweaks light tweaks checkpoint after roughing out middle PCB Binary files /dev/null and b/Images/retrigger.png differ From 52b504dd7cabbf7261c98563d42b1772d3bf6825 Mon Sep 17 00:00:00 2001 Subject: [PATCH 01/18] Added hard sync to schematic, laid out PCB with on-board components c6741b48f0 More random files More random files 3D Printing/Panels/Radio Shaek Standoff.scad create mode 100644 Panels/label_test.stl create mode 100644 Hardware/PCB/precadsr/ao_tht.pretty/PinHeader_1x03_P2.54mm_Vertical.kicad_mod delete mode 100644 Hardware/PCB/precadsr/ao_tht.pretty/TO-92_Inline_Wide.kicad_mod create mode 100644 Hardware/Panel/precadsr_panel_al_Gerbers/precadsr_panel_al-B_SilkS.gbr create mode 100644 Schematics/Fireball.kicad_sch Subject: [PATCH 01/18] Added hard sync input. But could also use a raspberry pi running a DAW with a hair of margin $fn=FN; /* [Panel] */ printer_z_fix = 0.5; // this is good practice, but ho-dang what a mess romps with traces, vias, and net links 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: From 5040873587dbb57684343269abab88d35cf7124b Mon Sep 17 00:00:00 2001 Subject: [PATCH] Final revision; added custom DRC as project file Final revision; added custom DRC as project file tstamp 52a45927-621d-4774-9080-e26ba88e3d95) Final revision; added custom DRC as project file attr exclude_from_pos_files exclude_from_bom) Final revision; added custom DRC as project file (pts Final revision; added custom DRC as project file ad96459571a569a983e452184e49702fe8779c4e created pull request synth_mages/MK_VCO#3 created pull request synth_mages/MK_SEQ#2 b77534e3fc Added schmancy pcb for v2 front panel // surface("FIREBALL VCO.png", center=true, invert=false); projection(cut = true) surface(filename, center=true); } 3D Printing/Pot_Knobs/print_knob.stl Executable file View File Hardware/PCB/precadsr_Gerbers/precadsr-F_Mask.gbr Normal file View File 3D Printing/Cases/Eurorack 2-Row/rail.stl Executable file View File 3D Printing/Cases/Eurorack Modular Case/DSC03778.JPG Executable file View File 3D Printing/Pot_Knobs/potentiometre_v3_1.5_merged.stl Normal file View File Latest commits for file Datasheets/BC546A-MCC.pdf Fireball/fp-info-cache Normal file View File 3D Printing/Cases/Eurorack Modular Case History width = 36; // [1:1:84] width = 24; // [1:1:84] //Second row interface placement sync_in = [first_col, fourth_row, 0]; //Fifth row interface placement f_tune = [width_mm/2 + h_margin, top_row, 0]; f_tune = [width_mm/2 + h_margin, top_row, 0]; left_rib_x = thickness + 9.5/2 + tolerance*2; //three knobs plus space between them left_panel_spacing = (left_panel_width) / 2.5; slider_spacing = 12.5; // space.

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