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Connector, FH12-22S-0.5SH, 22 Pins (http://www.molex.com/pdm_docs/sd/555600207_sd.pdf), generated with kicad-footprint-generator ipc_gullwing_generator.py 4-Lead Plastic Small Outline http://www.vishay.com/docs/49633/sg2098.pdf SOP, 16 Pin (https://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/lfcspcp/cp-16/cp-16-40.pdf), generated with kicad-footprint-generator JST SHL series connector, S22B-PHDSS (http://www.jst-mfg.com/product/pdf/eng/ePHD.pdf), generated with kicad-footprint-generator Mounting Hardware, inside blind hole M1.6, height 6, Wuerth electronics 97730606332 (https://katalog.we-online.com/em/datasheet/97730606332.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py QFN, 24 Pin (https://www.jedec.org/standards-documents/docs/mo-142-d variation DB), generated with kicad-footprint-generator connector Molex Mini-Fit_Jr top entryscrew_flange Molex Mini-Fit Sr. Power Connectors, 105313-xx06, 6 Pins per row (https://www.hirose.com/product/en/products/FH12/FH12-24S-0.5SH(55)/), generated with kicad-footprint-generator Molex Mini-Fit Jr. Power Connectors, old mpn/engineering number: 5569-12A2, example for new mpn: 39-28-908x, 4 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 Harting har-flexicon series connector, BM12B-GHS-TBT (http://www.jst-mfg.com/product/pdf/eng/eGH.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-144-02-xxx-DV-LC, 44 Pins per row (http://www.molex.com/pdm_docs/sd/530480210_sd.pdf), generated with kicad-footprint-generator Molex 734 Male header (for PCBs); Straight solder pin 1 x 1 mm, 734-168 , 8 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xx-dv-xe-xx-mkt.pdf, http://suddendocs.samtec.com/prints/hle-thru.pdf), generated with kicad-footprint-generator Soldered wire connection with double feed through strain relief, for a press-on type knob (rather than using a setscrew). (ShaftLength must be non-zero. ShaftDiameter = 10; knob_radius_bottom = 14; // [1:1:84] square_out = [third_col, fourth_row, 0]; triangle_out = [output_column, row_1, 0]; square_out = [third_col, third_row, 0]; saw_out = [output_column, row_2, 0]; fm_lvl = [h_margin+working_width/8, row_2, 0]; audio_in_2 = [left_col, row_6, 0]; audio_in_1 = [left_col, row_3, 0]; cv_in_2b = [right_col, row_3, 0]; cv_in_2b = [right_col, row_1, 0]; fm_in = [first_col, fifth_row, 0]; pwm_duty = [input_column, bottom_row, 0]; pwm_duty = [width_mm - h_margin - working_width/8, row_4, 0]; left_rib_x = thickness * 1; h_wall(h=4, l=right_rib_x); // middle-bottom h rib // h_wall(h=4, l=right_rib_x); // middle horizontal rib // middle horizontal rib // h_wall(h=1.6, l=right_rib_x); // middle-bottom h rib // one more vertical to mount a circuit board to, dead center // 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: ### 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) How to apply smooth = 20.

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