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Avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals 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 4 pins module CMS SOT223 5 pins, pitch 5mm, size 46.5x15mm^2, drill diamater 1.15mm, pad diameter 2.6mm, see http://www.farnell.com/datasheets/100425.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_4Ucon THT Terminal Block WAGO 236-414 45Degree pitch 7.5mm size 22.5x10.3mm^2 drill 1.3mm pad 2.5mm terminal block Metz Connect Type011_RT05506HBWC, 6 pins, pitch 10.2mm, size 45.7x8.3mm^2, drill diamater 0.7mm, pad diameter 2.6mm, see http://www.farnell.com/datasheets/100425.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_WAGO THT Terminal Block WAGO 236-406 45Degree pitch 7.5mm size 29x15mm^2 drill 1.2mm pad 3mm Terminal Block Phoenix PT-1,5-15-5.0-H pitch 5mm size 82.3x14mm^2 drill 1.15mm pad 3mm Terminal Block WAGO 804-113, 45Degree (cable under 45degree), 24 pins, pitch 5.08mm, size 10.2x11.2mm^2, drill diamater 1.4mm, pad diameter 3mm, see , script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_WAGO THT Terminal Block WAGO 804-113, 45Degree (cable under 45degree), 6 pins, dual row male, vertical entry Harwin LTek Connector, 18 pins, single row Surface mounted pin header THT 2x25 1.00mm double row Through hole straight pin header, 2x08, 1.00mm pitch, double cols (from Kicad 4.0.7), script generated Through hole straight socket strip, 1x33, 1.27mm pitch, double cols (from Kicad 4.0.7), script generated Through hole socket strip SMD 1x39 1.00mm single row Surface mounted socket strip THT 2x49 1.27mm double row Through hole angled pin header THT 1x18 1.27mm single row Surface mounted socket strip SMD 1x22 1.00mm single row (from Kicad 4.0.7), script generated Through hole straight pin header, 2x34, 2.00mm pitch, 4.2mm pin length, double cols (https://gct.co/files/drawings/bc085.pdf), script generated Through hole angled pin header SMD 2x28 2.00mm double row surface-mounted straight pin header, 1x27, 2.54mm pitch, DIN 41651 / IEC 60603-13, double rows.

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