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At edges width = 10; // [1:1:84] /* [Holes] */ hole_dist_top = 2.5; rail_clearance = 9; title_font_size = 22; label_font_size = 5; //mm center_col = width_mm/2; //mm third_col = 60.7-center_adjust; //mm cv_in = [input_column, row_2, 0]; fm_in = [input_column - h_margin/2, row_1, 0]; pwm_in = [input_column + h_margin/2, bottom_row, 0]; pwm_pot = [input_column - h_margin/2, row_1, 0]; triangle_out = [third_col, third_row, 0]; fm_lvl = [second_col, fourth_row, 0]; pwm_cv_lvl = [second_col, first_row, 0]; c_tune = [width_mm/2 + h_margin, top_row, 0]; left_rib_x = thickness * 1; h_wall(h=4, l=right_rib_x); // middle horizontal rib // h_wall(h=1.6, l=right_rib_x); // middle-bottom h rib // h_wall(h=1.6, l=right_rib_x); // one more vertical to mount a circuit outside the full dev board (in some cases) Arduino + DAC https://www.youtube.com/watch?v=t3kUPjdiq0o for explainer https://drive.google.com/drive/folders/156nn9rClRLJplS4M46s56-Pibi86Z-Kp for schematics and .ino file uses an arduino nano (other options probably fine), two 74HC595 shift registers (accidentally a pile in my collection) and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice and this permission notice shall be governed by the copyright license to make, use, sell, offer for sale, having made, import, or transfer of either this License to.

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