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3, 20], center=true); } // https://cdn.sparkfun.com/datasheets/Components/Switches/MX%20Series.pdf module cherry_mx_button() { union(){ cube([14,14,thickness]); // 1HP = 1/5" = 5.08mm // u[nits] function units_mm(u) = u * U; // h[p] function hp_mm(h) = h * HP; Panels/10_step_seq_38hp_v2.scad Normal file Unescape * Bourns PTL series, such as: Update README.md d9153c70802a10d2fe554f80f1a497b409aac630 d952ec97f3d5e1172c33dcefe438ee5d18f8d87d Use THT electrolytics, finish SMT layout, try on quentin font for size Schematics/Dual_VCA_with_cv2_OTA.diy Normal file Unescape Hardware/PCB/precadsr_Gerbers/precadsr-B_Cu.gbr Normal file Unescape Hardware/PCB/precadsr_Gerbers/precadsr-PTH.drl Normal file View File Panels/luther_triangle_vco_quentin_v2.scad Normal file Unescape Schematics/Enlarge/Enlarge.kicad_pro Normal file View File Images/precadsr-panel-holes.png Normal file Unescape panelThickness = 2; left_col = 10 + center_adjust; right_col = width_mm - 10 - center_adjust; center_col = width_mm/2; //mm third_col = 60.7-center_adjust; //mm cv_in = [first_col, first_row, 0]; sync_in = [first_col, first_row, 0]; //Second row interface placement f_tune = [second_col, second_row, 0]; //Third row interface placement square_out = [width_mm-h_margin, row_1, 0]; pwm_in = [first_col, fourth_row, 0]; //Fifth row interface placement sync_in = [first_col, third_row, 0]; //Fourth row interface placement sync_in = [first_col, fifth_row, 0]; //left_rib_x = thickness + 9.5/2 + tolerance*2; //three knobs plus space between them right_panel_width = width_mm - hole_dist_side, hole_dist_top); cylinder(r=hole_r, h=thickness*2); echo("Putting a hole with radius: ", hole_r , " at ", width_mm - 9.5/2 - right_rib_thickness - tolerance; // rib + half a jack col_right = width_mm - thickness*2.5 - tolerance*6; left_rib_x = thickness * 1; right_rib_x = width_mm - 10 LEDs 3 sockets Potentiometers: One potentiometer for internal clock rate. One SPDT switch to adjust CV output range, switch between 5v and 2.5v max (or whatever is configured). - Momentary-normal-off pushbutton to manually reset. LEDs: One per step, to set output voltages. (10 - One potentiometer for internal clock signal (possibly external). Commonly called a "Baby 8", so called because it's a classic samba clave with rock/reggae rhythms on the other Ground.

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