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main VCA/Panels/dual_vca.scad 393 lines $fn=FN; footprint_depth = .25; //non-printing, barely-visible outline of component footprints width = 10; knob_smoothness = 20; // tweak on this and/or Hagiwo's quantizer, if going digital ** https://note.com/solder_state/n/nde97a0516f03 and https://www.youtube.com/watch?v=op_DhPr2goc ** arduino nano clone (atmega 328p), 12-bit dac (mcp4726) and small amounts of supporting hardware Microcontroller and smoothed PWM https://kassu2000.blogspot.com/2019/10/quantizer.html using a microcontroller but no DAC. Also interesting UI, featuring lit pushbuttons in a narrow space between them right_panel_width = 12; translation_of_cylinder_indentations = [0,8,-8]; cylinder_starting_rotation = -33.3; // these are for steps only row_1 = bottom_row + v_margin + 12; //knob_radius top_row = height - v_margin; working_increment = working_height / 5; out_row_1 = v_margin+12; row_2 = row_1 + v_margin + 12; //knob_radius top_row = height - 25; // build up seven rows; middle one unused row_2 = row_1 + v_margin + 12; top_row = height / 2 + hole_diameter + hole_margin*2; cutout_width = board_width - (side_margin * 2); hole_horiz = (board_width - hole_hdist) .

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