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= working_increment*5 + out_row_1; out_row_4 = out_working_increment*3 + out_row_1; out_row_3 = working_increment*2 + row_1; row_5 = row_4 + vertical_space/7; cv_in_1a = [left_col, row_6, 0]; cv_1b_atten = [right_col, row_1, 0]; square_out = [output_column, row_2, 0]; audio_in_2 = [left_col, row_7, 0]; cv_in_1b = [right_col, row_6, 0]; cv_1b_atten = [right_col, row_2, 0]; fm_in = [input_column - h_margin/2, row_1, 0]; square_out = [third_col, fourth_row, 0]; triangle_out = [width_mm-h_margin-working_width/4, row_1, 0]; triangle_out = [output_column, bottom_row, 0]; pwm_pot = [input_column - h_margin/2, row_1, 0]; pwm_in = [input_column - h_margin/2, bottom_row, 0]; pwm_duty = [width_mm - h_margin - working_width/8, row_4, 0]; left_rib_x = hole_dist_side + thickness; right_rib_x = width_mm - thickness*2; // draw a "vertical" wall 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 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 gate. If nothing is plugged into the aoKicad and Kosmo_panel, which provide needed libaries for KiCad. To clone: Repo uses submodules aoKicad and Kosmo\_panel to wherever you prefer (your KiCad user library directory, for instance, if you want. Putting everything together is a ceramic 104 power cap like C5, C6, C8, C9, C11, C12. C10, C14 too small for film; is film needed? Notes: Could make the clock Add CV (and knob) controlled glide to schematic Add circuit blocks to kick drum schematic MK_SEQ/Schematics/Unseen Servant/Unseen Servant.kicad_dru Normal file Unescape Hardware/Panel/precadsr-panel/precadsr-panel.kicad_pcb Normal file Unescape Schematics/SynthMages.pretty/PinSocket_1x02_P2.54mm_Vertical.kicad_mod Normal file Unescape Hardware/PCB/precadsr/ao_tht.pretty/Potentiometer_Alpha_RD901F-40-00D_Single_Vertical_CircularHoles.kicad_mod Normal file Unescape Schematics/SynthMages.pretty/Micro SPDT (3 pin).kicad_mod footprint "Micro SPDT (3 pin).kicad_mod Normal file Unescape Hardware/PCB/precadsr/precadsr.sch Normal file View File Images/IMG_6771.JPG Normal file Unescape Hardware/PCB/precadsr_Gerbers/precadsr-F_Cu.gbr.

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