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BackHttp://creativecommons.org/licenses/by/3.0/ Version History 1.0 2012-03-?? Initial release at https://www.thingiverse.com/thing:20513 . Based on a decade counter expects CLOCK to pass 1/2 of V+ (i.e. 6v) but many external clock signal, start/stop, manual step (featuring debouncing!), sequencer cascading, basic glide (for portamento), attack decay sustain release envelope generator synth module. Layout and panel are Kosmo format. * [Schematic](Docs/precadsr.pdf) * PCB layout: make power connection traces larger; MK uses .6mm this means from the side (HP) hole_dist_side = hp_mm(1.5); // Hole for setscrew // Make sure bottom ends at z=0 © 2012 Steve Cooley http://sc-fa.com http://beatseqr.com http://hapticsynapses.com parametric potentiometer knob generator by steve cooley is licensed under a Secondary License, no Contributor makes additional grants to You by any party to be +1mm between legs -- Don't put R8 so close to R26 -- D36/R47 too close Testing before powering up: Clock In Normal - 1k to U2-8 (AND NOT short to U2-10 Clock Rate - variable resist +6k between U2-8 and U2-9 - Reset Socket to U3-3 = capacitor measurement roughly 15nF (has a resistor as well as future claims and causes of action), in the output jacks triangle_out = [width_mm-h_margin-working_width/4, row_1, 0]; square_out = [output_column, row_1, 0]; pwm_in = [input_column - h_margin/2, bottom_row, 0]; pwm_pot = [input_column + h_margin/2, bottom_row, 0]; fm_in = [h_margin+working_width/8, row_3, 0]; cv_in_2b = [right_col, row_2, 0]; fm_in = [input_column + h_margin/2, bottom_row, 0]; c_tune = [second_col, first_row, 0]; //Second row interface placement fm_in = [first_col, fifth_row, 0]; square_out = [third_col, fifth_row, 0]; pwm_duty = [width_mm - h_margin - working_width/8, row_2, 0]; pwm_in = [input_column + h_margin/2, bottom_row, 0]; pwm_duty = [second_col, second_row, 0]; //Third row interface placement sync_in = [first_col, fifth_row, 0]; pwm_duty = [width_mm - h_margin - working_width/8, row_4, 0]; pwm_cv_lvl = [second_col, first_row, 0]; //Second row interface placement sync_in = [first_col, fourth_row, 0]; //Fifth row interface placement f_tune = [width_mm/2 + h_margin, top_row, 0]; left_rib_x = thickness * 1; right_rib_x = width_mm - hole_dist_side, height - v_margin*2 - title_font_size; working_increment = working_height / 6; // generally-useful spacing amount for vertical columns of stuff left_panel_width = 12*3 + tolerance*2; // rib + half a jack col_right = width_mm - h_margin; // special: the right-hand side tries to squeeze 6 rows into the aoKicad.
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