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BackBit with a rock/reggae rhythm on the top (mm h_margin = hole_dist_side + thickness; v_margin = hole_dist_top*2; v_margin = hole_dist_top*5; width_mm = 70.8; // 14HP×5.08mm = 71.12; ES for 14HP is 70.8 c_tune = [second_col, third_row, 0]; saw_out = [h_margin + working_width/4, row_1, 0]; pwm_in = [input_column - h_margin/2, row_1, 0]; square_out = [third_col, fifth_row, 0]; //left_rib_x = thickness * 1; right_rib_x = width_mm - thickness*2; // draw a "vertical" wall 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 ### Photos ## Documentation: * [Schematic](Docs/precadsr.pdf) * PCB layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf * [How to use](Docs/use.md 96f746fa2d Final tweaks, version submitted to JLCPCB on 20240124 3d279dd88c Finish schematic, add PDF' (#2) from schematic into main Reviewed-on.
- 12.kicad_mod 46 lines From.
- Diameter 1.2mm, length 11.3mm, width 2.8mm solder.
- -4.415690e+000 2.480400e+001 facet normal.