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1.25u Matias/ALPS keyswitch, 1.50u, plate mount, http://cherryamericas.com/wp-content/uploads/2014/12/mx_cat.pdf Cherry MX keyswitch, 2.00u, vertical, PCB mount, http://cherryamericas.com/wp-content/uploads/2014/12/mx_cat.pdf Cherry MX keyswitch, 1.75u, plate mount, http://cherryamericas.com/wp-content/uploads/2014/12/mx_cat.pdf Cherry MX keyswitch 1.25u plate Cherry MX keyswitch, 1.75u, http://matias.ca/switches/ Matias ALPS keyswitch 6.25u plate Cherry MX keyswitch, 2.25u, PCB mount, https://www.neutrik.com/en/product/nl4md-h-3 speakON Chassis Connectors, 4 pole chassis connector, black D-size flange, switchable version of bornier3 simple 4-pin terminal block, pitch 5.0mm, 45 degree angled, see http://www.mouser.com/ds/2/16/PCBMETRC-24178.pdf From caaf12f2da0fe056d0b625b9c1a860efbae9f4d1 Mon Sep 17 00:00:00 2001 Subject: [PATCH 01/18] Added hard sync to schematic, laid out PCB with exploratory 8hp layout b1fcba1e78 Bring in diylc and openscad design Add Kick as separate sheet Add Kick as separate sheet ## Photos ### Photos ## 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 apply in other circumstances. It is not Incompatible With Secondary Licenses", as defined replaces FIREBALL mask/etch with silkscreen caaf12f2da0fe056d0b625b9c1a860efbae9f4d1 adds ideas for a single 2.5 mm² wires, reinforced insulation, conductor diameter 1.7mm, outer diameter 3.9mm, size source Multi-Contact FLEXI-2V 0.25 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator Molex PicoBlade Connector System, 43045-1800 (alternative finishes: 43045-222x), 11 Pins per row (https://www.molex.com/pdm_docs/sd/874371443_sd.pdf#page=2 molex pico spox 14 Molex PicoBlade series connector, 502443-1470 (http://www.molex.com/pdm_docs/sd/5024430270_sd.pdf), generated with kicad-footprint-generator JST XH series connector, B6P-VH-B (http://www.jst-mfg.com/product/pdf/eng/eVH.pdf), generated with kicad-footprint-generator JST PUD series connector, S14B-PH-SM4-TB (http://www.jst-mfg.com/product/pdf/eng/ePH.pdf), generated with kicad-footprint-generator JST XH series connector, S03B-XASK-1N-BN (http://www.jst-mfg.com/product/pdf/eng/eXA1.pdf), generated with kicad-footprint-generator Molex SlimStack Fine-Pitch SMT Board-to-Board Connectors, 55560-0501, 50 Pins per row (https://cdn.harwin.com/pdfs/M20-781.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py LFCSP, 8 Pin (https://www.jedec.org/sites/default/files/docs/MO-193D.pdf variant BA), generated with kicad-footprint-generator ipc_gullwing_generator.py TSOP-I, 48 Pin (https://www.espressif.com/sites/default/files/documentation/esp32_datasheet_en.pdf#page=38), generated with kicad-footprint-generator Harwin Male Horizontal Surface Mount Single Row 2.54mm (0.1 inch) Pitch PCB Connector, M20-7811045, 10 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 ipc_noLead_generator.py LGA, 8 Pin (https://datasheet.lcsc.com/lcsc/2204011730_GigaDevice-Semicon-Beijing-GD5F1GQ4UFYIGR_C2986324.pdf (page 44)), generated with kicad-footprint-generator ipc_gullwing_generator.py FE Package; 16-Lead Plastic Shrink Small Outline Package (MS) [MSOP], variant of 8-lead surface-mounted (SMD) DIP package, row spacing 7.62 mm (300 mils), SMDSocket, SmallPads THT DIP DIL PDIP 2.54mm 15.24mm 600mil Socket 3M 28-pin zero insertion force socket, through-hole, horizontal, https://www.cliffuk.co.uk/products/testleads/sockets/S16NPC.pdf cliff 4mm socket jack banana C5080 SERIES 90° Wafer.

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