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Photos [to be added] ## Documentation: ### 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 ``` git clone --recurse-submodules git@github.com:holmesrichards/precadsr.git ``` 4d5fa6d903 Delete 'Panels/futura medium condensed bt.ttf ec09111f77 Futura BT font files ... Delete 'Panels/futura medium condensed bt.ttf' ## Current draw 12 mA +12 V, and sustain voltage is taken from \npot pin 1 x 1 mm, 734-132 , 2 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 Hirose series connector, S02B-XASK-1N-BN (http://www.jst-mfg.com/product/pdf/eng/eXA1.pdf), generated with kicad-footprint-generator ipc_gullwing_generator.py LQFP, 48 Pin (https://www.trinamic.com/fileadmin/assets/Products/ICs_Documents/TMC2041_datasheet.pdf#page=62), generated with kicad-footprint-generator ipc_noLead_generator.py DFN 8 2x2mm, 0.5mm http://www.qorvo.com/products/d/da000896 DFN 0.5 Qorvo 2x2mm DFN package size 1006 3 pins LED, diameter 8.0mm, 3 pins LED diameter 3.0mm z-position of LED center 3.0mm 2 pins diameter 5.0mm z-position of LED center 6.0mm, 2 pins, Rectangular size 5.0x2.0mm^2 z-position of LED center 2.0mm, 2 pins, http://cdn-reichelt.de/documents/datenblatt/A500/LED10-4500RT%23KIN.pdf LED diameter 3.0mm z-position of LED center 2.0mm, 2 pins LED diameter 3.0mm z-position of LED center 3.0mm, 2 pins, pitch 5mm, size 22.3x14mm^2, drill diamater 1.1mm, pad diameter 2.4mm, see , script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_WAGO THT Terminal Block WAGO 236-201 45Degree pitch 7.5mm size 37.5x10.3mm^2 drill 1.3mm pad 2.6mm Terminal Block Phoenix MKDS-1,5-12-5.08, 12 pins, pitch 2.54mm, package size 11.5x8.5x17.5mm^3, https://www.recom-power.com/pdf/Innoline/R-78HBxx-0.5_L.pdf DCDC-Converter, RECOM, RECOM_R-78S-0.1, SIP-4, pitch 2.54mm, size 10.620000000000001x6.5mm^2, drill diamater 1.3mm, pad diameter 3mm, see , script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_RND THT terminal block RND 205-00291 pitch 5.08mm length 3.2mm diameter 2.6mm Diode, T-1 series, Axial, Vertical, pin pitch=5.08mm, 0.5W = 1/2W length 9mm diameter 5.3mm Diode, DO-201AE series, Axial, Vertical, pin pitch=2.54mm, , length*diameter=5.2*2.7mm^2, , https://www.diodes.com/assets/Package-Files/DO-41-Plastic.pdf Diode DO-41_SOD81 series Axial Horizontal pin pitch 27.00mm length 32mm width 15mm Capacitor C, Disc series, Radial, pin pitch=15.00mm, , length*width=16.5*13.7mm^2, Capacitor, https://en.tdk.eu/inf/20/20/db/fc_2009/MKT_B32560_564.pdf C Rect series Radial pin pitch 23.00mm length 27mm width 11mm Capacitor C, Rect series, Radial, pin pitch=5.00mm, , length*width=7*3.5mm^2, Capacitor C Rect series Radial pin pitch 71.12mm 25W length 60mm width 14mm height 14mm Resistor, Axial_Power series, Box, pin pitch=60.96mm, 11W, length*width*height=50*9*9mm^3, http://cdn-reichelt.de/documents/datenblatt/B400/5WAXIAL_9WAXIAL_11WAXIAL_17WAXIAL%23YAG.pdf Resistor Axial_Power series Axial Horizontal pin pitch 7.62mm length 14mm diameter 4.5mm Fastron HCCC Inductor, Axial series, Axial, Horizontal, pin pitch=10.16mm, , length*diameter=3.04*1.6mm^2, , https://www.nxp.com/docs/en/data-sheet/KTY83_SER.pdf Diode DO-34_SOD68 series Axial Vertical pin pitch 25.4mm 0.5W = 1/2W length 9mm width 3.4mm Capacitor C, Rect series, Radial, pin pitch=10.00mm, , length*width=11.0*5.3mm^2, Capacitor, https://en.tdk.eu/inf/20/20/db/fc_2009/MKT_B32560_564.pdf C Rect series Radial pin pitch 27.50mm length 33mm width 15mm Capacitor C, Rect series, Radial, pin pitch=5.00mm, , length*width=7.5*4.6mm^2, Neosid, SD75, http://www.neosid.de/produktblaetter/neosid_Festinduktivitaet_Sd75.pdf.

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