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change footprints of transistors to save on panel wires 2eebdf7ecf Add four more switches/buttons, move LED drivers onto PCB Add a front-panel PCB Subject: [PATCH 05/18] Added input resistor for sync; placed everything on PCB Checkpoint after fixes but before shrinking boards 007cc05932dfa23f85127799f5505afc7b25772e Stuff all teh scad files in aac0a4a5b4 Notes from MK's PCB livestream - avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals PCB layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf) * [BOM](Docs/precadsr_bom.md) * [Build notes](Docs/build.md) How to 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 (http://www.china-bsun.com/Product48/1577.html headphones jack (http://www.china-bsun.com/Product48/1577.html 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 waterproof 6.35mm (1/4 in) Vertical Jack, 2 Poles (Mono / TS *(optional) SIP socket, 2.54 mm, 1x10 | | | | Knobs | | | | Tayda | A-1121 | | | C2, C5, C6, C8, C9, C11, C12. C10, C14 too small for a set screw. Set_screw = true; cylinder_number_of_indentations = 10; // [1:1:84] fm_in = [h_margin+working_width/8, row_3, 0]; cv_in_2b = [right_col, row_5, 0]; audio_out_1 = [right_col, row_2, 0]; audio_in_2 = [left_col, row_1, 0]; fm_pot = [input_column + h_margin/2, bottom_row, 0]; c_tune = [width_mm/2 + h_margin, top_row, 0]; left_rib_x = hole_dist_side + thickness; v_margin = hole_dist_top*2 + thickness; col_left = thickness.

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