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## 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 the 4 pins module CMS SOT223 5 pins, pitch 10mm, size 75x10.3mm^2, drill diamater 1.15mm, pad diameter 2.1mm, size source Multi-Contact FLEXI-xV 0.5 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator Soldered wire connection with double feed through strain relief, for 5 times 0.5 mm² wires, basic insulation, conductor diameter 2.4mm, see , script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_RND THT terminal block RND 205-00023 pitch 10mm size 35.8x8.2mm^2 drill 1.3mm pad 2.6mm Terminal Block WAGO 236-305 45Degree pitch 7.5mm size 52.5x10.3mm^2 drill 1.3mm pad 2.5mm terminal block Metz Connect 360381, block size 5x4mm^2, drill diamater 1.1mm, pad diameter 3mm, see , script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_WAGO THT Terminal Block TE 1-282834-2 pitch 2.54mm length 3.04mm diameter 1.6mm wire loop bead wire loop wire loop bead wire loop wire loop bead wire loop as test Point, square 1.5mm side length, hole diameter 1.3mm, hole diameter 1.0mm wire loop with bead as test Point, diameter 5.0mm z-position of LED center 3.0mm 2 pins LED, diameter 3.0mm, 3 pins, pitch 3.5mm, size 53.2x7mm^2, drill diamater 1.3mm, pad diameter 2.6mm, see http://www.farnell.com/datasheets/2138224.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_WAGO THT Terminal Block 4Ucon ItemNo. 10701, vertical (cable from top), 8 pins, pitch 5.08mm, size 20.3x9.8mm^2, drill diamater 1.15mm, pad diameter 3mm, see , script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_RND THT terminal block RND 205-00290 pitch 5.08mm length 5.2mm diameter 2.7mm Diode, A-405 series, Axial, Vertical, pin pitch=5.08mm, , length*diameter=7.6*3.6mm^2, , http://www.diodes.com/_files/packages/DO-15.pdf Diode DO-15 series Axial Horizontal pin pitch 5.00mm diameter 12.5mm width 5.0mm Capacitor C, Rect series, Radial, pin pitch=5.08mm, , length*diameter=16*6.3mm^2, Fastron, VHBCC, http://www.fastrongroup.com/image-show/25/VHBCC.pdf?type=Complete-DataSheet&productType=series Inductor Axial series Axial Horizontal pin pitch 7.62mm length 29.85mm diameter 13.97mm Vishay IHA-104 Inductor, Axial series, Axial, Horizontal, pin pitch=20mm, , length*diameter=12*6.5mm^2, http://cdn-reichelt.de/documents/datenblatt/B300/STYROFLEX.pdf C Axial series Axial Horizontal pin pitch 3.80mm diameter 10mm Electrolytic Capacitor CP, Axial series, Axial, Horizontal, pin pitch=12.7mm, , length*diameter=9*8mm^2, , http://www.diodes.com/_files/packages/8686949.gif Diode 5KP series Axial Horizontal pin pitch 15.00mm length 19mm.

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