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Thin plastic quad flat, 3.0x4.5mm size, 0.65mm pitch (http://ww1.microchip.com/downloads/en/DeviceDoc/14L_VDFN_4_5x3_0mm_JHA_C041198A.pdf DE Package; 16-Lead Plastic HTSSOP (4.4x5x1.2mm); Thermal pad; (http://www.ti.com/lit/ds/symlink/drv8833.pdf HTSSOP, 16 Pin (https://www.st.com/resource/en/datasheet/tsv521.pdf), generated with kicad-footprint-generator Soldered wire connection with double feed through strain relief, for 6 times 2.5 mm² wires, basic insulation, conductor diameter 0.4mm, outer diameter 3.6mm, 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 a label // internal clock rate. - One potentiometer per step, to set output voltages. (10) - One potentiometer for internal clock rate. Switches: Momentary-normal-off pushbutton to manually reset. More repo cleanup, adopt github .gitignore file L1 Radio Shaek 2 * shafthole_radius + 2 + hole_diameter + hole_margin*2; side_margin = (board_width - hole_hdist) / 2; standoff_radius = hole_radius * 2.5; standoff_height = 3; // Number of faces on the left sub-panel top_row = height - v_margin*2 - title_font_size*1.5; working_height = height - hole_dist_top); echo("Putting a hole with radius: ", hole_r , " at ", width_mm - right_rib_thickness; // projection: make a 2d version v_wall(h=4, l=height-rail_clearance*2, th=right_rib_thickness); // top horizontal rib // h_wall(h=4, l=right_rib_x); // middle-bottom h rib h_wall(h=1.6, l=right_rib_x); // middle-bottom h rib // h_wall(h=4, l=right_rib_x); // bottom right [right_edge, rotate_vector_sin * height + rotate_vector_sin * rail_depth] // top horizontal rib // h_wall(h=1.6, l=right_rib_x); // bottom horizontal rib // h_wall(h=1.6, l=right_rib_x); // middle-bottom h rib 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 ## Git repository From.

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