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BackShaft on the circuit board to, dead center pcb_holder(h=10, l=top_row-rail_clearance*2, 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 ``` git clone --recurse-submodules git@github.com:holmesrichards/precadsr.git ``` Schematics/Enlarge/Enlarge.kicad_pcb Normal file Unescape Hardware/PCB/precadsr/ao_tht.pretty/D_DO-35_SOD27_P7.62mm_Horizontal.kicad_mod Normal file Unescape 3D Printing/Pot_Knobs/scaled_french_pot.mix cube([board_width, board_height, thickness]); cylinder(thickness+standoff_height, r=standoff_radius, $fn=360); cube([cutout_width, cutout_height, thickness+3]); cylinder(h=thickness+standoff_height+3, r=hole_radius, $fn=360); vertex 0 2.5 6.5 facet normal 9.581203e-01 -2.863649e-01 -8.193733e-04 vertex -9.044218e+01 9.701936e+01 1.608622e+01 facet normal -0.0366128 -0.15247 0.98763 facet normal 0.0819033 -0.0819011 -0.993269 facet normal 0.479376 -0.871973 0.0993049 facet normal 0.42307 0.690389 0.586835 vertex 5.85513 -2.00281 19.9 facet normal 9.987931e-01 1.144015e-03 -4.910273e-02 vertex -9.054602e+01 1.011313e+02 1.127867e+01 vertex -9.054433e+01 1.005513e+02 1.130642e+01 facet normal -0.952732 -0.286108 0.102199 facet normal -7.148682e-16 1.867343e-17 1.000000e+00 facet normal 0.99518 -0.0974021 0.0113627 facet normal 0.815973 -0.545444 -0.191517 facet normal -9.682993e-01 -2.497929e-01 -2.924889e-04 facet normal -0.638679 0.741926 0.204047 facet normal -1.600434e-001 2.743748e-001 9.482113e-001 facet normal 0.766032 0.0754488 -0.63836 facet normal -0.422844 0.331516 0.843386 facet normal 0.22956 0.181238 0.956271 facet normal.
- Ethernet transformer with magnetics (https://productfinder.pulseeng.com/doc_type/WEB301/doc_num/JXD6-0001NL/doc_part/JXD6-0001NL.pdf ethernet 8p8c.
- 11.0mmx10.0mm, https://sunlordinc.com/Download.aspx?file=L1VwbG9hZEZpbGVzL1BERl9DYXQvMjAyMjExMTUxNDQ4MDU0NTQucGRm&lan=en Inductor, Sunlord, MWSA1205S-R68, 13.45x12.6x4.8mm.
- 7 pin, SMD (http://www.akm.com/akm/en/file/datasheet/CQ-236B.pdf akm current sensor smd.
- Normal -9.675080e-001 -2.528406e-001 0.000000e+000 vertex.