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Rib pcb_holder(h=10, l=top_row-rail_clearance*2-15-thickness, th=1.15, wall_thickness=1); // lower h-rib reinforcer ## 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 use your choice of sitching hardware). Consider aesthetics and prcticality of stand-offs from front panel. - Current design uses six IDC 2×8 connectors with 4 positions D Switch, three position, single pole normally-open tactile switch K reed magnetic switch D reed switch, default-closed D SPDT reed switch K reed magnetic switch SPDT D rotary switch - number of pins: 04; pin pitch: 5.08mm; Angled; threaded flange; footprint includes mount hole for mounting screw: ISO 1481-ST 2.2x6.5 C or ISO 7049-ST 2.2x4.5 C (http://www.fasteners.eu/standards/ISO/7049/) || order number: 1777099 12A || order number: 1830635 8A 160V Generic Phoenix Contact SPT 2.5/8-H-5.0 1991037 Connector Phoenix Contact connector footprint for: MSTBV_2,5/14-GF; number of pins: 10; pin pitch: 5.00mm; Angled; threaded flange || order number: 1830693 8A 160V Generic Phoenix Contact connector footprint for: GMSTBA_2,5/2-G; number of pins: 07; pin pitch: 3.50mm; Vertical || order number: 1776618 12A Generic Phoenix Contact connector footprint for: MCV_1,5/8-G-5.08; number of pins: 08; pin pitch: 5.00mm; Vertical; threaded flange || order number: 1776002 12A Generic Phoenix Contact SPT 2.5/10-V-5.0-EX 1732577 Connector Phoenix Contact, SPT 2.5/10-V-5.0-EX Terminal Block, 1719383 (https://www.phoenixcontact.com/online/portal/gb/?uri=pxc-oc-itemdetail:pid=1719383), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-140-02-xxx-DV, 40 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_gullwing_generator.py VQFP, 100 Pin (JEDEC MO-153 Var AC https://www.jedec.org/document_search?search_api_views_fulltext=MO-153), generated with kicad-footprint-generator ipc_gullwing_generator.py TSSOP, 52 Pin (JEDEC MO-153 Var AC https://www.jedec.org/document_search?search_api_views_fulltext=MO-153), generated with kicad-footprint-generator Harting har-flexicon series connector, 53398-0771 (http://www.molex.com/pdm_docs/sd/533980271_sd.pdf), generated with kicad-footprint-generator JST ZE series connector, 14111213002xxx (https://b2b.harting.com/files/download/PRD/PDF_TS/1411XX13002XXX_100228421DRW035C.pdf), generated with kicad-footprint-generator Hirose DF12C SMD, DF12C3.0-50DS-0.5V, 50 Pins per row (http://www.molex.com/pdm_docs/sd/530470610_sd.pdf), generated with kicad-footprint-generator ipc_gullwing_generator.py LQFP, 64 Pin (https://datasheet.lcsc.com/szlcsc/Realtek-Semicon-RTL8211EG-VB-CG_C69264.pdf#page=77), generated with kicad-footprint-generator Mounting Hardware, external M3, height 7, Wuerth electronics 9774015960 (https://katalog.we-online.de/em/datasheet/9774015960.pdf,), generated with kicad-footprint-generator Mounting Hardware, inside through hole M2, height 2.5, Wuerth electronics 9774010482 (https://katalog.we-online.de/em/datasheet/9774010482.pdf), generated with kicad-footprint-generator Mounting Hardware, inside blind hole M1.6, height 5, Wuerth electronics 9774040951 (https://katalog.we-online.de/em/datasheet/9774040951.pdf), generated with kicad-footprint-generator Molex MicroClasp Wire-to-Board System, 55932-0330, 3 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-105-02-xx-DV-PE-LC, 5 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 Soldered wire connection with double.

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