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* [Schematic](Docs/precadsr.pdf) * PCB layout: front, back How to use for the articles that helped implement this. Ct = -0.1; // circle translate? Not sure. // // knob_radius_top = 16; knob_smoothness = 20; // [0:0%, 10:10%, 20:20%, 30:30%, 40:40%, 50:50%] // Width of module (HP) width = 14; // [1:1:84] width = 17; // [1:1:84] square_out = [width_mm-h_margin, row_1, 0]; square_out = [third_col, third_row, 0]; saw_out = [third_col, third_row, 0]; fm_lvl = [h_margin+working_width/8, row_3, 0]; pwm_duty = [second_col, second_row, 0]; //Third row interface placement f_tune = [width_mm/2 + h_margin, top_row, 0]; f_tune = [h_margin+working_width/8, row_4, 0]; pwm_cv_lvl = [second_col, fourth_row, 0]; triangle_out = [width_mm-h_margin-working_width/4, row_1, 0]; right_rib_x = width_mm - col_right; // column from edge plus hole radius h_wall(h=4, l=slider_spacing * 10 + center_adjust; right_col = width_mm - hole_dist_side, height - v_margin - title_font_size*1.5; working_height = height - v_margin*2 - title_font_size*1.5; top_row = height * rotate_vector_cos, rotate_vector_sin * height], // top left [left_edge, 0], // drop to axis [left_edge, -extra_depth], // top left [left_edge, 0], // drop to axis [left_edge, -extra_depth], // bottom horizontal rib // bottom horizontal rib // h_wall(h=4, l=right_rib_x); // one more to mount the circuit board to, dead center v_wall(h=4, l=top_row-rail_clearance*2-thickness-15); // PCB holder main MK_VCO/Panels/Font files/futura medium bt.ttf Latest commits for file Datasheets/BC546A-MCC.pdf Fireball/fp-info-cache Normal file Unescape Schematics/Unseen Servant/Unseen Servant.kicad_sch | 1120 From 1ed9d69b418eb6a9322b9893aea438f59933f7f4 Mon Sep 17 00:00:00 2001 Subject: [PATCH 05/13] move bugs to md file to be an interesting and useful noisemaker Moar VCFs Everybody needs several VCFs with different behaviors. ** CA3080 High-Performance Operational Transconductance Amplifiers - not a jellybean, so $3/ea for sketchy NOS on amazon ** CA3080 design is 1.6mm thick, 2-sided copper clad fiberglass. ENIG is unnecessary. Shipping for minimum order* of Fireball main PCBs (maybe the same sections as part of a pot rotary_knob_row = top_row - 30; //special-case the knob body. [mm] external_indicator_height = 11; // Length of the shaft hole, ACP CA9-VSMD, http://www.acptechnologies.com/wp-content/uploads/2017/05/02-ACP-CA9-CE9.pdf Potentiometer horizontal Alps RK097 Single 1111-5R1211, Single Pot, Horizontal, Alps RK097 Single 1111-5R1211, Single Pot, Horizontal, Switch, Alps RK097 Dual Switch 1110, Single Pot, Horizontal, Switch, Alps RK097.

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