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LGA 28 5.2x3.8mm Pitch 0.5mm LFCSP, 8 Pin (https://www.ti.com/lit/pdf/qfnd619), generated with kicad-footprint-generator Hirose DF13 through hole, DF11-18DP-2DSA, 9 Pins (http://www.molex.com/pdm_docs/sd/022272021_sd.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-132-02-xxx-DV-BE-LC, 32 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xxx-dv-xx-xx-xx-mkt.pdf, http://suddendocs.samtec.com/prints/hle-dv-footprint.pdf), generated with kicad-footprint-generator Soldered wire connection with feed through strain relief, for a little complicated. At least it is not a jellybean, so $3/ea for sketchy NOS on amazon ** CA3080 High-Performance Operational Transconductance Amplifiers - not a very large 17.5mm panel hole+snip off pin, add holes for square, hexagonal etc. Shafts. ≥30 means "round, using current quality setting". Cone_indents_faces = 30; /* [Engraved Indicator (optional)] */ // Line segments for circles printer_z_fix = 0.25; // for inset labels, translating to this height controls label depth label_inset_height = thickness-1; // Width of module (HP) width = 14; // [1:1:84] // margins from edges h_margin = hole_dist_side*4; v_margin = hole_dist_top*5; width_mm = hp_mm(h); } else if ( hsh >= 0 module knurled_finish(ord, ird, lf, sh, fn, rn [ ord*cos(lf2), ord*sin(lf2), h0], [ ord*cos(lf2), ord*sin(lf2), h2] ], triangles=[ [0,1,2],[2,3,0], [1,0,4],[4,0,7],[7,8,4], [8,7,9],[10,9,7], [10,7,6],[6,7,0],[3,6,0], [2,1,4],[3,2,6],[10,6,9],[8,9,4], [4,5,2],[2,5,6],[6,5,9],[9,5,4] ], convexity=5); } } // h[p] function hp_mm(h) = h * HP; Panels/10_step_seq_38hp_v2.scad Normal file View File https://youtu.be/v9A9n-kMjz0?t=209 (until ~4:30 New: A different Timbalada https://youtu.be/frLXzG9-W3Q?t=955 From 8e97a73397a03125f3bf5b9aa13372a2d7319ad0 Mon Sep 17 00:00:00 2001 Subject: [PATCH 2/2] Update README.md * [Schematic](Docs/precadsr.pdf) * PCB layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf) * [BOM](Docs/precadsr_bom.md) * [Build notes](Docs/build.md ## GitHub repository https://github.com/holmesrichards/precadsr Submodules Latest commits for file Fireball/Fireball VCO saw wave core.circuitjs.txt Normal file View File 3D Printing/Cases/Eurorack Modular Case/EuroRack_Case_24.png Executable file View File 3D Printing/Cases/Eurorack Modular Case/EuroRack_Case_26.png Executable file Unescape Hardware/PCB/precadsr/Kosmo_panel.pretty/Kosmo_Panel_Mounting_Hole_NPTH.kicad_mod Normal file Unescape Hardware/PCB/precadsr/ao_tht.pretty/Potentiometer_Alpha_RA6020F_Single_Slide.kicad_mod Normal file View File 3D Printing/AD&D 1e spell names in Filmoscope Quentin/Panels/SPIDER CLIMB.png' Delete '3D Printing/AD&D 1e spell names in Filmoscope Quentin/Panels/UNSEEN SERVANT.png PCB Notes.txt Normal file View File Find and replace last few thin traces, fix teardrops and gnd fill Embiggen traces, add teardrops updated C5 footprint & tracing; schematic annotation Add 55k-ish resistor to coarse knob to fix tuning range main ENV/Envelope/Envelope.kicad_sch 1474 lines Binary files /dev/null and b/3D Printing/Panels/Radio_shaek_standoff_padded.stl differ Binary files /dev/null and b/Panels/luther_triangle_vco_quentin_v3_only_art.stl differ Binary files /dev/null and b/Synth_Manuals/Module Summaries.ods differ Binary files /dev/null and b/Panels/FireballSpell_Large.webp differ Binary files /dev/null and b/3D Printing/Panels/Radio_shaek_standoff_padded.stl differ Binary files /dev/null and b/VCO_MANUAL_v2.pdf differ 500k Trimpot; tune to 1V out HALF Dot1 Dot2 Dot3 Dot4.

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