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Basic glide (for portamento), attack decay sustain release envelope generator synth module. Layout and panel are Kosmo format. * [Schematic](Docs/precadsr.pdf) * PCB layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf) * [BOM](Docs/precadsr_bom.md) * [Build notes](Docs/build.md) How to apply the Apache License, Version 2.0 (the "License"); Portions copyright (c) 2015-2016 go-asn1-ber Authors Permission is hereby granted, free of charge, to any person obtaining a copy of the Mozilla Public License, Version 2.0 (the "License"); The MIT License) Copyright (C) 2014 Kevin Ballard Permission is hereby granted, free of charge, to any person obtaining a copy of Copyright (c) 2020 Masaaki Goshima Permission is hereby granted, free of charge, to any person obtaining ISC License Copyright (c) 2017-2020 Damian Gryski Permission is hereby granted, free of charge, to any person obtaining a copy This work is released into the space of 5 out_working_increment = working_increment * 4 / 5; row_1 = bottom_row + v_margin + 12; //knob_radius top_row = height - v_margin - title_font; saw_out = [output_column, row_2, 0]; triangle_out = [third_col, fifth_row, 0]; //left_rib_x = thickness * 1; //right_rib_x = width_mm - col_right - thickness; left_panel_width = 12.5*3 + tolerance*4; // column from edge plus hole radius // mounting holes to PCB edge 7.4799999999999995mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 15-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, male, pitch 2.77x2.84mm, pin-PCB-offset 4.9399999999999995mm, distance of mounting holes to PCB edge 10.889999999999999mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 44-pin D-Sub connector horizontal angled 90deg THT male pitch 2.77x2.54mm pin-PCB-offset 9.4mm 15-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, male, pitch 2.77x2.54mm.

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