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A-159 | | R6, R8 | 2 .../Unseen Servant/Unseen Servant.kicad_sch | 551 Schematics/Unseen Servant/fp-info-cache | 1 nF | Unpolarized capacitor | | | J3, J4, J5 | 3 Hardware/PCB/precadsr/precadsr.sch | 472 aoKicad | 2 Hardware/lib/Kosmo_panel | 2 Panels/futura medium condensed bt.ttf' ## Current draw 12 mA +12 V, 10 mA -12 V ## 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) How to use your choice of 9 mm or 16 mm vertical board mount module ACDC-Converter, Murata, 5W, ClassB, https://www.murata.com/products/productdata/8809982558238/KAC-BAC05.pdf switching power supply tht Constant current LED Driver DC/DC Converter, https://g.recomcdn.com/media/Datasheet/pdf/.fYUQjOlW/.t2a80a771bdbb0ef300f7/Datasheet-93/RCD-24.pdf DCDC-Converter, 30W POE, Silvertel, pitch 2.54mm, package size 11.6x8.5x10.4mm^3, https://www.recom-power.com/pdf/Innoline/R-78Exx-0.5.pdf DCDC-Converter, RECOM, RECOM_R5xxxDA, SIP-12, Horizontally Mounted, pitch 2.54mm, drill diameter 0.8mm Test point with 2 copper strips net tie solder jumper bridged SMD Solder Jumper, 1x1.5mm rounded Pads, 0.3mm gap, pads 1-2 Bridged2Bar with 2 copper strip SMD 1x36 2.00mm single row Surface mounted pin header THT 2x39 2.00mm double row Through hole Samtec HPM power header series 3.81mm post length THT 1x07 2.00mm single row Through hole straight socket strip, 1x18, 2.00mm pitch, double cols (from Kicad 4.0.7), script generated Surface mounted pin header SMD 1x02 1.00mm single row Through hole angled socket strip, 2x02, 2.54mm pitch, DIN 41651 / IEC 60603-13, double rows, 12.0mm latches, https://docs.google.com/spreadsheets/d/16SsEcesNF15N3Lb4niX7dcUr-NY5_MFPQhobNuNppn4/edit#gid=0 Through hole straight pin header, 2x03, 2.54mm pitch, single row Surface mounted pin header THT 1x09 2.00mm single row Through hole pin header THT 1x01 5.08mm single row Surface mounted socket strip SMD 1x22 2.54mm single row Through hole straight pin header, 1x24, 2.00mm pitch, single row Surface mounted pin header THT 2x26 1.27mm double row Through hole straight pin header, 2x16, 1.27mm pitch, 4.0mm pin length, double cols (https://gct.co/pdfjs/web/viewer.html?file=/Files/Drawings/BD091.pdf&t=1511594177220), script generated Through hole angled pin header, 2x07, 2.54mm pitch, 8.51mm socket length, double cols (from Kicad 4.0.7), script generated Through hole angled pin header, 1x09, 1.00mm pitch, double cols (from Kicad 4.0.7), script generated Through hole socket strip THT 2x19 1.27mm double row Through hole socket strip SMD 1x18 2.00mm single row Through hole angled socket strip THT 1x01 1.27mm single row style1 pin1 left Surface mounted pin header SMD 1x06 2.54mm single row style1 pin1 left Surface mounted socket strip THT 2x39 1.27mm double row Through hole angled pin header.

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