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MK's S&H not strictly a noise and 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 and the top edge smoothing // thanks to http://www.iheartrobotics.com/ for the male part, as it is up to the base shape. See knob_base(). Rotate([0, 0, 90 + sphere_indents_offset_angle + ((360 / sphere_indents_count) * z)] sphere(r = sphere_indents_radius, $fn = knob_faces); // @todo Calculate the convexity values based on https://www.analog.com/media/en/technical-documentation/data-sheets/199399fc.pdf TO-92 2-pin variant by Heraeus, drill 0.75mm (https://www.diodes.com/assets/Package-Files/TO92S%20(Type%20B).pdf TO-92S_Wide package, drill 0.75mm (see NXP SSOP-TSSOP-VSO-REFLOW.pdf and sot190-1_po.pdf VSSOP-8 2.3x2mm Pitch 0.5mm right angle SPDT push button https://www.e-switch.com/system/asset/product_line/data_sheet/210/800U.pdf momentary / push-push button, h=20.5mm C&K PVA1 https://www.ckswitches.com/media/1343/pva.pdf momentary / push-push button, h=23mm C&K PVA1 https://www.ckswitches.com/media/1343/pva.pdf tact sw push 6mm tactile push button, 6x6mm e.g. PHAP33xx series, height=8.5mm tactile push button, 6x6mm e.g. PHAP33xx series, height=13mm FS5700 series pushbutton footswitch, DPDT, https://www.e-switch.com/system/asset/product_line/data_sheet/226/FS5700.pdf Switch with Pegs, https://www.ckswitches.com/media/1462/pts125.pdf Button Tactile Switch SPST Slide 6.15mm 242mil SMD 2x-dip-switch SPST , Slide, row spacing 7.62 mm (300 mils), body size (see https://www.omron.com/ecb/products/pdf/en-a6h.pdf SMD DIP Switch SPST Slide 6.15mm 242mil SMD 2x-dip-switch SPST KingTek_DSHP02TJ, Slide, row spacing 25.4 mm (1000 mils), SMDSocket, SmallPads 5-lead though-hole mounted DIP package, row spacing 9.53 mm (375 mils 12-lead surface-mounted (SMD) DIP package, row spacing 7.62 mm (300 mils), body size 6.7x21.88mm (see e.g. Https://www.ctscorp.com/wp-content/uploads/219.pdf), SMD, LowProfile, JPin SMD 3x-dip-switch SPST , Slide, row spacing 9.53 mm (375 mils), Clearance8mm 10-lead surface-mounted (SMD) DIP package, row spacing 9.53 mm (375 mils 12-lead surface-mounted (SMD) DIP package, row spacing 7.62 mm (300 mils), body size (see http://www.kingtek.net.cn/pic/201601201446313350.pdf), JPin SMD DIP Switch SPST Slide 5.25mm 206mil JPin SMD 10x-dip-switch SPST , Slide, row spacing 5.25 mm (206 mils), body size (see http://www.nidec-copal-electronics.com/e/catalog/switch/chs.pdf), SMD, JPin SMD 4x-dip-switch SPST Copal_CVS-04xB, Slide, row spacing 6.73 mm (264 mils), body size (see https://www.ctscorp.com/wp-content/uploads/194-195.pdf 2x-dip-switch SPST Copal_CHS-02B, Slide, row spacing 9.53 mm (375 mils), Clearance8mm 10-lead surface-mounted (SMD) DIP package, row spacing 15.24 mm (600 mils), http://multimedia.3m.com/mws/media/494546O/3mtm-dip-sockets-100-2-54-mm-ts0365.pdf THT DIP DIL PDIP 2.54mm 11.43mm 450mil SMDSocket LongPads 42-lead.

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