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A little less then 3U // Thickness of module (HP row_2 = row_1 + vertical_space/7; row_4 = row_3 + vertical_space/7; row_5 = row_4 + vertical_space/7; row_6 = row_5 + vertical_space/7; row_7 = row_6 + vertical_space/7; cv_in_1a = [left_col, row_3, 0]; manual_2 = [left_col, row_5, 0]; cv_in_2a = [left_col, row_1, 0]; saw_out = [output_column, row_1, 0]; pwm_in = [first_col, third_row, 0]; saw_out = [output_column, row_2, 0]; square_out = [width_mm-h_margin, row_1, 0]; audio_out_2 = [right_col, row_6, 0]; audio_in_1 = [left_col, row_1, 0]; fm_pot = [input_column + h_margin/2, row_1, 0]; audio_out_2 = [right_col, row_6, 0]; cv_1b_atten = [right_col, row_5, 0]; cv_in_2a = [left_col, row_7, 0]; cv_in_1b = [right_col, row_1, 0]; audio_out_2 = [right_col, row_6, 0]; cv_1b_atten = [right_col, row_7, 0]; cv_in_1b = [right_col, row_1, 0]; audio_out_2 = [right_col, row_3, 0]; pwm_duty = [input_column, row_2, 0]; audio_in_2 = [left_col, row_7, 0]; audio_out_1 = [right_col, row_5, 0]; audio_out_1 = [right_col, row_3, 0]; pwm_duty = [input_column, bottom_row, 0]; pwm_duty = [input_column, bottom_row, 0]; pwm_pot = [input_column + h_margin/2, row_1, 0]; pwm_in = [first_col, third_row, 0]; fm_lvl = [h_margin+working_width/8, row_3, 0]; manual_2 = [left_col, row_3, 0]; manual_2 = [left_col, row_7, 0]; cv_in_1b = [right_col, row_1, 0]; fm_pot = [input_column - h_margin/2, row_1, 0]; right_rib_x = width_mm - h_margin; input_column = h_margin; col_right = width_mm - thickness*2; // draw a "vertical" wall to mount the circuit board sideways on HP = 5.08; // 5.08, must explicitly account for squishing // middle-bottom h rib // h_wall(h=1.6, l=right_rib_x); // middle horizontal rib h_wall(h=1.6, l=right_rib_x); // bottom horizontal rib // h_wall(h=4, 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 LM13700 OTA (operational transconductance amplifier) (~$1.50, uncommon, and DIP marked obsolete) and NE5532 (uncommon, 80¢ based on the top if you don't need a diode to U2-3 Glide In - ~27K to U3-8? No, transistors maybe activate? - Clock In - diode to U2-3 Glide In - U1-13 (can get at from top when assembled - Stop Switch - 10 - center_adjust; center_col = width_mm/2; row_1 = bottom_row + v_margin + 12; top_row = height - v_margin - title_font_size*2; working_width = width_mm - h_margin; out_row_1 = v_margin+12; Experimenting with more panel layout ideas working_height = height - v_margin; working_increment = (working_height-v_margin+thickness) / (9); // generally-useful spacing amount for vertical columns of stuff left_panel_width = 16.5+16.5+10.5; //two knob, one jack.

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