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Keyswitch, 2.75u, http://matias.ca/switches/ Matias ALPS keyswitch ISO enter PCB Cherry MX keyswitch, 1.50u, PCB mount, https://www.neutrik.com/en/product/nc3maav A Series, 5 pole male XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, horizontal PCB mount, retention spring, https://www.neutrik.com/en/product/ncj5fi-h Combo I series, 3 pole female XLR receptacle, grounding: separate ground contact connected to trigger, gate jack is normalized\nto +12 V, 10 mA -12 V ## Photos [to be added] ## Documentation: ### Documentation: * [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 use for rounding teh top edge. ≥30 means "round, using current quality setting". Shafthole_faces = 20; // tweak on this script somewhere where OpenSCAD can find it (your current project's * working directory/folder or your OpenSCAD script and call either... * knurled_cyl( Knurled cylinder height, * Knurled cylinder outer diameter, generated with kicad-footprint-generator JST XH vertical JST ACH series connector, S12B-XH-A (http://www.jst-mfg.com/product/pdf/eng/eXH.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py 8-lead plastic dual flat, 2x3x0.75mm size, 0.5mm pitch (http://ww1.microchip.com/downloads/en/DeviceDoc/8L_TDFN_2x3_MN_C04-0129E-MN.pdf TDFN, 8 Pin (http://www.st.com/resource/en/datasheet/pm8834.pdf), generated with kicad-footprint-generator Molex Mini-Universal MATE-N-LOK, old mpn/engineering number: 5569-14A2, example for new part number: 26-60-4150, 15 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xx-dv-xe-xx-mkt.pdf, http://suddendocs.samtec.com/prints/hle-thru.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-112-02-xx-DV-TE, 12 Pins per row, Mounting: PCB Mounting Flange (http://www.molex.com/pdm_docs/sd/039291047_sd.pdf), generated with kicad-footprint-generator Soldered wire connection with double feed through strain relief, for 3 times outer diameter, generated with kicad-footprint-generator ipc_gullwing_generator.py 44-Lead Plastic Shrink Small Outline No-Lead http://www.ti.com/lit/ml/mpds176e/mpds176e.pdf Plastic Small Outline (ST)-4.4 mm Body [SOIC] (https://docs.broadcom.com/docs/AV02-0169EN SOIC 1.27 SSO, 7 Pin Double Sided Module Texas Instruments CSD18531Q5A http://www.ti.com/lit/ds/symlink/csd18531q5a.pdf WSON, 6 Pin (https://www.renesas.com/us/en/document/psc/package-drawing-hodfn-6pin-l615x16?language=en&r=568376 Miniature Crystal Clock Oscillator Abracon ASDMB series, 2.5x2.0mm package, http://www.abracon.com/Oscillators/ASDMB.pdf Miniature Crystal Clock Oscillator TXCO Fordahl DFA S11-OV/UOV, http://www.iqdfrequencyproducts.com/products/details/iqxo-70-11-30.pdf, 7.0x5.0mm^2 package SMD Crystal Oscillator Seiko Epson SG-210 https://support.epson.biz/td/api/doc_check.php?mode=dl⟨=en&Parts=SG-210SED, 2.5x2.0mm^2 package SMD Crystal EuroQuartz MT series http://cdn-reichelt.de/documents/datenblatt/B400/MT.pdf, hand-soldering, 3.2x2.5mm^2 package Miniature Crystal Clock Oscillator TXCO Fordahl DFA S3-KS/LS/US, http://www.iqdfrequencyproducts.com/products/details/iqxo-70-11-30.pdf, hand-soldering, 7.5x5.0mm^2 package crystal Ceramic Resin Sealed SMD http://www.foxonline.com/pdfs/fe.pdf, 7.5x5.0mm^2 package crystal Epson Toyocom FA-128 (https://support.epson.biz/td/api/doc_check.php?dl=brief_FA-128⟨=en), 2x1.6mm^2 package SMD Crystal MicroCrystal CC1V-T1A series https://www.microcrystal.com/fileadmin/Media/Products/32kHz/Datasheet/CC1V-T1A.pdf, 8.0x3.7mm^2 package SMD Crystal.

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