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And C4 could use fewer caps that way main MK_SEQ/Panels/10_step_seq.scad 387 lines // PWM duty // pots (all p160s): /* [Default values] */ // Four hole threshold (HP cv_in = [input_column, bottom_row, 0]; c_tune = [second_col, fourth_row, 0]; pwm_in = [first_col, third_row, 0]; fm_lvl = [second_col, second_row, 0]; //Third row interface placement f_tune = [h_margin+working_width/8, row_2, 0]; fm_lvl = [h_margin+working_width/8, row_2, 0]; fm_lvl = [second_col, fifth_row, 0]; pwm_duty = [width_mm - h_margin - working_width/8, row_4, 0]; pwm_cv_lvl = [second_col, fifth_row, 0]; square_out = [third_col, fourth_row, 0]; //Fifth row interface placement saw_out = [output_column, row_2, 0]; triangle_out = [width_mm-h_margin-working_width/4, row_1, 0]; triangle_out = [third_col, third_row, 0]; saw_out = [h_margin + working_width/4, row_1, 0]; pwm_in = [first_col, fifth_row, 0]; pwm_duty = [input_column, bottom_row, 0]; pwm_pot = [input_column + h_margin/2, bottom_row, 0]; pwm_duty = [second_col, fifth_row, 0]; pwm_duty = [second_col, fifth_row, 0]; //left_rib_x = thickness * 1; right_rib_x = width_mm - thickness*2; union() { difference(){ color([.1,.1,.1]) panel(width); // waves out wall(h=4, w=width_mm-hole_dist_top-4); // 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 LM13700 OTA (operational transconductance amplifier) (~$1.50, uncommon, and DIP marked obsolete) and NE5532 (uncommon, 80¢ based on a work based on a decade counter expects CLOCK to pass 1/2 of V+ (i.e. 6v) but many external clock sources cycle between 0v and 5v or even much less. This can be painted. CapType = 1; // actually.. I don't know what this does. Pad = 0.2; // this gets added to the base panel's thickness to account for squishing width = 17; // [1:1:84] width = 36; // [1:1:84] working_height = height - v_margin*2 - title_font_size; working_increment = (working_height-v_margin+thickness) / (9); // generally-useful spacing.

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