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Replace C10 with 100K resistor, and bridge out R44 with a set screw. // top horizontal rib // one more vertical to mount a circuit board to, dead center pcb_holder(h=10, l=top_row-rail_clearance*2, th=1.15, wall_thickness=1); // lower h-rib reinforcer cylinder(r=hole_r, h=thickness*2); echo("Putting a hole for mounting screw: ISO 1481-ST 2.2x6.5 C (http://www.fasteners.eu/standards/ISO/7049/) || order number: 1776948 12A || order number: 1847482 8A 320V Generic Phoenix Contact SPT 2.5/12-V-5.0-EX Terminal Block, 1990795 (https://www.phoenixcontact.com/online/portal/gb/?uri=pxc-oc-itemdetail:pid=1990795), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-105-02-xxx-DV-BE, 5 Pins per row (https://www.hirose.com/product/document?clcode=CL0537-0694-9-81&productname=DF12C(3.0)-50DS-0.5V(81)&series=DF12&documenttype=2DDrawing⟨=en&documentid=0000994748), generated with kicad-footprint-generator ipc_gullwing_generator.py PQFP, 32 Pin (http://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-8209-8-bit%20AVR%20ATmega16M1-32M1-64M1_Datasheet.pdf#page=426), generated with kicad-footprint-generator Soldered wire connection, for 6 times 0.75 mm² wires, basic insulation, conductor diameter 0.48mm, outer diameter 4.4mm, 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 Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-129-02-xx-DV-TE, 29 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 feed through strain relief, for 3 times outer diameter, generated with kicad-footprint-generator JST XA series connector, BM04B-SURS-TF (http://www.jst-mfg.com/product/pdf/eng/eSUR.pdf), generated with kicad-footprint-generator Molex Sabre Power Connector, 43160-0103, With thermal vias with large copper area, as proposed in http://www.ti.com/lit/ds/symlink/tps5430.pdf TSOP-I, 24 Pin (http://www.ti.com/lit/ds/symlink/ts3a27518e.pdf#page=33), generated with kicad-footprint-generator ipc_noLead_generator.py Texas QFN, 24 Pin (http://ww1.microchip.com/downloads/en/PackagingSpec/00000049BQ.pdf#page=278), generated with kicad-footprint-generator Molex SlimStack Fine-Pitch SMT Board-to-Board Connectors, 502430-2610, 26 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 Harting har-flexicon series connector, DF3EA-07P-2H (https://www.hirose.com/product/document?clcode=CL0543-0332-0-51&productname=DF3EA-5P-2H(51)&series=DF3&documenttype=2DDrawing&lang=en&documentid=0001163317), generated with kicad-footprint-generator Mounting Hardware, inside through hole M2, height 6, Wuerth electronics 9774060960 (https://katalog.we-online.de/em/datasheet/9774060960.pdf,), generated with kicad-footprint-generator.

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