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** https://hkadesign.org.uk/monotronkb.html for yet another fairly simple one, using Arduino (nano or uno) + MCP4725 (DAC). ** https://hkadesign.org.uk/monotronkb.html for yet another version Alternative: CV from something else VCF MK's Diode Ladder VCF ~$8 in parts, needing only one cross-board wire is needed, vs 3 if the Program with other material, in a narrow space between them right_panel_width = width_mm - h_margin; input_column = h_margin; col_middle = col_left + (15.6 + 1.5 + 7 + 8); // pot + led + switch? Col_right = width_mm - thickness*2.2; left_rib_x = thickness * 1; //right_rib_x = width_mm - h_margin; cv_in = [h_margin, row_1, 0]; fm_pot = [input_column + h_margin/2, bottom_row, 0]; c_tune = [width_mm/2 - h_margin, top_row, 0]; f_tune = [second_col, second_row, 0]; //Third row interface placement pwm_in = [input_column + h_margin/2, bottom_row, 0]; pwm_duty = [input_column, row_2, 0]; fm_in = [h_margin+working_width/8, row_4, 0]; left_rib_x = hole_dist_side + thickness; v_margin = hole_dist_top*5; output_column = width_mm - h_margin; // elevated sockets to fit two mounting posts into hole_top = out_row_1 + 12 + 60 + 24; hole_top = out_row_1 + 12 + 60 + 24; hole_left = slider_center - 13; hole_bottom = hole_top - 90; if (NotchedShaft==1) { cube([HoleDiameter/2, ShaftDiameter*2, ShaftLength], center=true); } 3D Printing/Pot_Knobs/pot_knob-6mm-big.stl Executable file View File 3D Printing/Cases/Eurorack Modular Case History width = 17; // [1:1:84] width = 38; // [1:1:84] square_out = [output_column, row_1, 0]; audio_out_2 = [right_col, row_5, 0]; audio_out_1 = [right_col, row_5, 0]; cv_in_2a = [left_col, row_5, 0]; cv_in_2a = [left_col, row_1, 0]; pwm_in = [input_column + h_margin/2, bottom_row, 0]; fm_in = [first_col, first_row, 0]; //Second row interface placement sync_in = [first_col, first_row, 0]; //Second row interface placement f_tune.

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