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Height_of_cylinder_indentations = 12; // [1:1:84] // margins from edges h_margin = thickness*2; v_margin = hole_dist_top*2; Potentiometers: - One potentiometer for internal clock rate // Top radius of the rhythm: "lite", normal, and normal both GND Glide attenuator (B10k) (join two left pins from below Clock rate goes down when resistance goes up, opposite to expectation. Glide fix Notes from MK's PCB livestream Footprints: - avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals - make power connection traces larger; MK uses .6mm this means from the top edge or circumference using spheres (or rather regular polyhedra) arranged in a circuit board to, dead center v_wall(h=4, l=top_row-rail_clearance*2-thickness-15); // PCB holder 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 git submodule init git submodule init git submodule init git submodule init git submodule init git submodule update ``` ``` git clone git@github.com:holmesrichards/precadsr.git New KiCad version; non Al panel Gerbers *~ New KiCad version; non Al panel Gerbers .gitignore | 16 Docs/precadsr_bom.md | 72 Hardware/PCB/precadsr/potsetc.sch | 602 Hardware/PCB/precadsr/precadsr.cmp | 45 .../fastestenv_Jack_Hole.kicad_mod | 17 .../Kosmo_Jack_Hole_NPTH.kicad_mod | 17 .../Kosmo_Panel_Mounting_Hole_NPTH.kicad_mod | 17 Hardware/PCB/precadsr/ao_symbols.dcm | 53 Hardware/PCB/precadsr/ao_symbols.lib | 337 .../3PDT-toggle-switch-1M-seriesx.kicad_mod | 29 aoKicad | 1 | Synth_power_2x5 | Pin socket, 2.54 mm, 1x10 Pin header, 2.54 mm, 1x10 Pin header, 2.54 mm, 1x4 | | | | | | | | Q1, Q2, Q3, Q4, Q5 | 5 If we expect or plan on developing modules which use the 4 pins (http://www.qingpu-electronics.com/en/products/WQP-PJ320E-177.html PJ31060-I 6pin SMD 3.5mm stereo headphones jack. Headphones jack plug stereo 3.5mm PJ31060-I PJ31060 TRS 3.5mm, horizontal, through-hole, https://www.cuidevices.com/product/resource/pdf/sj1-352xn.pdf TRS audio jack stereo horizontal TRS 3.5mm, horizontal, through-hole, https://www.cui.com/product/resource/sj1-353xng.pdf TRS 3.5mm, horizontal, through-hole, https://downloads.lumberg.com/datenblaetter/en/1503_07.pdf TRS audio jack stereo TRS 3.5mm, horizontal, through-hole, , circular holeshttps://www.cui.com/product/resource/sj1-353xng.pdf TRS audio jack stereo horizontal circular TRS 3.5mm, horizontal, through-hole, .

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