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Debounce cap; formatting col_left = h_margin; bottom_row = v_margin + 12; title_font = 10; label_font = 6; //knob_radius saw_out = [output_column, bottom_row, 0]; pwm_duty = [input_column, row_2, 0]; triangle_out = [width_mm-h_margin-working_width/4, row_1, 0]; fm_pot = [input_column - h_margin/2, row_1, 0]; fm_in = [first_col, third_row, 0]; fm_in = [h_margin+working_width/8, row_4, 0]; left_rib_x = thickness * 1.2; right_rib_x = width_mm - thickness*2; // How much horizontal space needed for left-hand and right-hand sub-panels left_panel_width = 16.5+16.5+10.5; //two knob, one jack, plus space between them right_panel_width = width_mm - thickness*2; // How much horizontal space needed for left-hand and right-hand sub-panels left_panel_width = 40; // widest element is rotary, at 30mm right_panel_width = 12; label_font_size = 5; //mm center_col = width_mm/2; vertical_space = height - v_margin; working_increment = working_height / 6; // generally-useful spacing amount for vertical columns of stuff col_left = thickness * 1; //right_rib_x = width_mm - col_right - thickness; // draw a "vertical" wall 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 LM13700 OTA (operational transconductance amplifier) (~$1.50, uncommon, and DIP marked obsolete) and NE5532 (uncommon, 80¢ based on the wrong side of the Pelorinho

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