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Hole_dist_side, height - 25; // build up seven rows; middle one unused row_2 = row_1 + v_margin + 12; title_font = 10; label_font = 6; //knob_radius saw_out = [output_column, bottom_row, 0]; c_tune = [width_mm/2 + h_margin, top_row, 0]; left_rib_x = 0; right_rib_x = width_mm - thickness*2; // pcb_holder(h=10, l=top_row-rail_clearance*2-15-thickness, th=1.15, wall_thickness=1); // lower h-rib reinforcer ## Photos [to be added] ## Documentation: * [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 git clone git@github.com:holmesrichards/precadsr.git New KiCad version; non Al panel Gerbers ) (filled_polygon New KiCad version; non Al panel Gerbers psnegative false) (psa4output false) (plotreference true) (plotvalue true) (plotinvisibletext false) New KiCad version; non Al panel Gerbers # Exported BOM files *.xml *.csv Schematics/OttosIrresistableDance/KickDrum.kicad_sch Normal file View File 3D Printing/AD&D 1e spell names in Filmoscope Quentin/Panels/UNSEEN SERVANT.png PCB Notes.txt Notes from MK's PCB livestream - avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals - make power connection traces larger; MK uses a ground plane. - when pressed, short +12V and Reset In Pause CV In - ~27K to U3-8? No, transistors maybe activate? - Clock rate goes down when resistance goes up, opposite to expectation. C1 is too small for a single 0.1 mm² wires, basic insulation, conductor diameter 0.4mm, outer diameter 2.3mm, size source Multi-Contact FLEXI-2V 0.25 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator Soldered wire connection with feed through strain relief, for 3 times outer diameter, generated with kicad-footprint-generator Hirose DF11 through hole, DF13-06P-1.25DS, 6 Pins per row (http://www.molex.com/pdm_docs/sd/1053131208_sd.pdf), generated with kicad-footprint-generator ipc_gullwing_generator.py HSOP 11.0x15.9mm Pitch 1.27mm Slug Down Thermal Vias (PowerSO-20) [JEDEC MO-166] (http://www.st.com/resource/en/datasheet/vn808cm-32-e.pdf, http://www.st.com/resource/en/application_note/cd00003801.pdf HSOP, 54 Pin (https://www.nxp.com/docs/en/package-information/98ASA10506D.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py Winson GM-402B, 8 Pin (https://ww2.minicircuits.com/case_style/XX211.pdf), generated with kicad-footprint-generator ipc_gullwing_generator.py TSOP I.

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