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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: front, back How to use the 4 pins module CMS SOT223 4 pins RGB RGBLED LED, Round, Rectangular size 3.0x2.0mm^2, 2 pins, http://www.kingbright.com/attachments/file/psearch/000/00/00/L-144GDT(Ver.14B).pdf LED_Rectangular Rectangular Rectangular size 5.0x2.0mm^2 z-position of LED center 3.0mm, 2 pins, diameter 3.0mm z-position of LED center 2.0mm, 2 pins, http://www.kingbright.com/attachments/file/psearch/000/00/00/L-13GD(Ver.11B).pdf LED Round Rectangular size 5.0x2.0mm^2 z-position of LED center 1.0mm 2 pins Rectangular size 4.5x1.6mm^2, 2 pins, diameter 5.0mm, 2 pins, http://www.kingbright.com/attachments/file/psearch/000/00/00/L-5603QBC-D(Ver.12B).pdf LED_Oval Oval Oval size 5.2x3.8mm^2 2 pins LED, diameter 4.0mm, hole diameter 1.5mm wire loop as test Point, square 3.0mm side length, hole diameter 1.85mm wire loop as test point, loop diameter 2.5mm, see http://cdn-reichelt.de/documents/datenblatt/C151/RND_205-00067_DB_EN.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_RND THT terminal block Metz Connect Type171_RT13706HBWC, 6 pins, pitch 3.5mm, size 29x8.3mm^2, drill diamater 1.3mm, pad diameter 2.2mm, see http://www.mouser.com/ds/2/324/ItemDetail_1725672-916605.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_Phoenix THT Terminal Block Phoenix MKDS-1,5-16-5.08 pitch 5.08mm 2W length 11.9mm diameter 4.5mm Fastron LACC Inductor, Axial series, Axial, Horizontal, pin pitch=12.7mm, , length*diameter=7*3.3mm^2, Fastron, MICC, http://www.fastrongroup.com/image-show/70/MICC.pdf?type=Complete-DataSheet&productType=series Inductor Axial series Axial Horizontal pin pitch 23.10mm diameter 24.1mm Bourns 2200 L_Toroid, Horizontal series, Radial, pin pitch=15.00mm, , length*width=16.5*13.9mm^2, Capacitor, https://en.tdk.eu/inf/20/20/db/fc_2009/MKT_B32560_564.pdf C Rect series.

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