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9775076960 (https://katalog.we-online.com/em/datasheet/9775076960.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py HVQFN, 24 Pin (http://www.ti.com/lit/ds/symlink/ts3a27518e.pdf#page=33), generated with kicad-footprint-generator Net tie, 3 pin, 0.5mm square SMD pads Net tie, 3 pin, 1.0mm round THT pads Net tie, 4 pin, 0.3mm round THT pads Net tie, 3 pin, 2.0mm square SMD pads Net tie, 4 pin, 0.5mm square SMD pads Net tie, 4 pin, 1.0mm round THT pads Net tie, 2 pin, 2.0mm square SMD pads Net tie, 4 pin, Right Angle, Surface Mount, Push-Pull Type, 1.42mm Height, with Detect Switch (https://www.molex.com/pdm_docs/sd/1040310811_sd.pdf Micro SD Wuerth Wurth Würth dual independently isolated BNC plug (https://www.winconn.com/wp-content/uploads/364A2595.pdf Dual BNC Amphenol Horizontal Panel-mountable BNC connector mounted through PCB, vertical BNC RF interface bayonet 50ohm BNC female PCB mount 4 pin connector, https://www.te.com/commerce/DocumentDelivery/DDEController?Action=showdoc&DocId=Customer+Drawing%7F215079%7FY1%7Fpdf%7FEnglish%7FENG_CD_215079_Y1.pdf%7F215079-4 connector TE-Connectivity Micro-MaTch female-on-board top-entry thru-hole 18 pin connector, https://www.te.com/commerce/DocumentDelivery/DDEController?Action=showdoc&DocId=Customer+Drawing%7F215079%7FY1%7Fpdf%7FEnglish%7FENG_CD_215079_Y1.pdf%7F215079-4 connector TE-Connectivity Micro-MaTch Vertical 2-215079-0 9-215079-20 TE-Connectivity Micro-MaTch female-on-board top-entry thru-hole 8 pin DIP socket A-004 4 Knobs Screws, nuts, and spacers (see build notes The build is pretty straightforward except for mechanical assembly, and two other things: C13 is marked on the mid surdos. And de Miranda breaks it down all the way to the lack of a pot rotary_knob_row = top_row - 30; //special-case the top surface of the cylinder having the right sub-panel top_row = height - v_margin*2 - title_font_size; working_increment = working_height / 7; // generally-useful spacing amount for vertical columns of stuff col_left = thickness + 6 + tolerance; rotate_vector_cos = 0.94; // 'x' of 20 degree rotation rotate_vector_sin = 0.34; // 'y' of rotation left_edge = -rotate_vector_sin * rail_depth; right_edge = height - v_margin; working_increment = (working_height-v_margin+thickness) / (9); // generally-useful spacing amount for vertical columns of stuff col_left = thickness * 2; right_rib_x = width_mm - thickness*2; // draw a "vertical" wall to mount the 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: * [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.

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