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Grounding: mating connector shell to pin1 and front panel, vertical PCB mount, https://www.neutrik.com/en/product/ncj6fa-v Combo I series, 3 pole XLR female receptacle with 6.35mm (1/4in) stereo jack, switched, gold plated contacts, half threaded nose, https://www.neutrik.com/en/product/nrj6hh-au Slim Jacks, 6.35mm (1/4in) stereo jack, switched, half threaded nose and offset PCB pins, https://www.neutrik.com/en/product/nmj6hfd4 M Series, 6.35mm (1/4in) stereo jack, vertical PCB mount, https://www.neutrik.com/en/product/nc5mav B Series, 5 pole male 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: * [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". /* [Top Rounding (optional)] */ // Line segments for circles U = 44.45; // Horizontal pitch size (mm HP = 5.075; // 5.07 for a single 1 mm² wires, reinforced insulation, conductor diameter 0.5mm, outer diameter 3.6mm, size source Multi-Contact FLEXI-E 0.1 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator ipc_noLead_generator.py QFN, 56 Pin (JEDEC MO-153 Var BC-1 https://www.jedec.org/document_search?search_api_views_fulltext=MO-153), generated with kicad-footprint-generator Molex SlimStack Fine-Pitch SMT Board-to-Board Connectors, 502430-2010, 20 Pins per row (http://www.molex.com/pdm_docs/sd/1053091203_sd.pdf), generated with kicad-footprint-generator Diode SMD 0603 (1608 Metric), square (rectangular) end terminal, IPC_7351 nominal with elongated pad for handsoldering. (Body size source: http://www.tortai-tech.com/upload/download/2011102023233369053.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py WSON, 8 Pin (http://ww1.microchip.com/downloads/en/DeviceDoc/20005474E.pdf#page=25), generated with kicad-footprint-generator Molex Molex 1.00mm Pitch Easy-On BackFlip, Right-Angle, Bottom Contact Style, 24 Circuits (http://www.molex.com/pdm_docs/sd/5022441530_sd.pdf Molex Molex 0.30mm Pitch Easy-On BackFlip, Right-Angle, Bottom Contact FFC/FPC, 200528-0070, 7 Circuits (https://www.molex.com/pdm_docs/sd/2005280070_sd.pdf), generated with kicad-footprint-generator Mounting Hardware, inside through hole 3.3mm, height 9, Wuerth electronics 9774070943 (https://katalog.we-online.de/em/datasheet/9774070943.pdf), generated with kicad-footprint-generator Mounting Hardware, inside through hole ST Morpho Connector 144 With STLink ST Morpho Connector 144 With STLink ST Morpho Connector 144 STLink AI accelerated MCU with optional wifi, https://dl.sipeed.com/MAIX/HDK/Sipeed-M1&M1W/Specifications AI Kendryte K210 RISC-V Texas Instruments EUS 5 Pin (https://www.jedec.org/sites/default/files/docs/Mo-178c.PDF variant BA), generated with kicad-footprint-generator Molex SPOX Connector System, 53047-1110, 11 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xxx-dv-xx-xx-xx-mkt.pdf, http://suddendocs.samtec.com/prints/hle-dv-footprint.pdf), generated with kicad-footprint-generator Mounting Hardware, inside through hole straight pin header, 2x28, 1.27mm pitch, single row Surface mounted pin header THT 1x32.

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