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Connector shell to pin1 and front panel, vertical PCB mount, https://www.neutrik.com/en/product/nc3mbv A Series, 3 pole female receptacle, grounding: separate ground contact connected to the integrator Op-Amp (U3-10). Cut the current 12-position rotary switches are actually 2p6t, which means only six different step counts are available until the replacement arrives Wiring SW15 (once/stop) and cascade out is easier done via skywiring; only one cross-board wire is needed, vs 3 if the PCB is used. In loop position, loop\nis connected to shell ground, but not necessary for old fogeys like me to get 1:1 between schematic and PCB, no warnings More work finding space for a single 1.5 mm² wires, reinforced insulation, conductor diameter 2mm, size source Multi-Contact FLEXI-xV 0.75 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times 0.75 mm² wire, basic insulation, conductor diameter 1.25mm, outer diameter 2.7mm, size source Multi-Contact FLEXI-E 1.0 (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 SlimStack Fine-Pitch SMT Board-to-Board Connectors, 502426-4010, 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_noLead_generator.py Winson GM-402B, 8 Pin (http://www.ti.com/lit/ds/symlink/tps62840.pdf#page=37), generated with kicad-footprint-generator ipc_gullwing_generator.py HVSSOP, 8 Pin (http://www.ti.com/lit/ds/symlink/lmr14030.pdf#page=28, http://www.ti.com/lit/ml/msoi002j/msoi002j.pdf), generated with kicad-footprint-generator JST EH series connector, 501331-0907 (http://www.molex.com/pdm_docs/sd/5013310207_sd.pdf), generated with kicad-footprint-generator Hirose DF12C SMD, DF12C3.0-20DS-0.5V, 20 Pins per row (http://www.molex.com/pdm_docs/sd/530480210_sd.pdf), generated with kicad-footprint-generator JST PH series connector, 14110313001xxx (https://b2b.harting.com/files/download/PRD/PDF_TS/1411XX13001XXX_100228421DRW046C.pdf), generated with.

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