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USON-20 2x4mm Pitch 0.4mm http://www.chip.tomsk.ru/chip/chipdoc.nsf/Package/C67E729A4D6C883A4725793E004C8739!OpenDocument WSON-16 3.3 x 1.35mm Pitch 0.4mm 8-Lead Plastic Small Outline Package (MS) [MSOP], variant of MSOP-16 (see http://cds.linear.com/docs/en/datasheet/3630fd.pdf 12-Lead Plastic DFN (4mm x 4mm); Pitch 0.5mm; EP 2.7x2.6mm; for InvenSense motion sensors; keepout area marked (Package see: https://store.invensense.com/datasheets/invensense/MPU9250REV1.0.pdf; See also https://www.invensense.com/wp-content/uploads/2015/02/InvenSense-MEMS-Handling.pdf 24-Lead Plastic QFN (2mm x 2mm) (see Linear Technology DFN_8_05-08-1698.pdf DFN, 8 Pin (http://ww1.microchip.com/downloads/en/DeviceDoc/mic5355_6.pdf#page=15), generated with kicad-footprint-generator Soldered wire connection with feed through strain relief, for 4 times 1 mm² wires, reinforced insulation, conductor diameter 2.4mm, see , script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_RND THT terminal block connector http://www.phoenixcontact.com/us/products/1814731/pdf PhoenixContact PTSM0.5 6 2.5mm vertical SMD spring clamp terminal block RND 205-00048, 5 pins, pitch 10mm, size 25x9mm^2, drill diamater 1.3mm, pad diameter 2.3mm, 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 Mounting Hardware, inside through hole 4.5mm, height 7, Wuerth electronics 97730606332 (https://katalog.we-online.com/em/datasheet/97730606332.pdf), generated with kicad-footprint-generator Harwin Male Horizontal Surface Mount Tactile Switch for High-Density Packaging Surface Mount Tactile Switch with Pegs, https://www.ckswitches.com/media/1462/pts125.pdf Button Tactile Switch with Pegs, https://www.ckswitches.com/media/1462/pts125.pdf Button Tactile Switch for High-Density Packaging Surface Mount Fuse, 3 x 6mm drills Triple banana socket, footprint - 6mm drill Dual banana socket, footprint - 2 5mm LEDs b1fcba1e78 Bring in diylc and openscad design Add Kick as separate sheet ## Photos [to be added] ## 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 git@gitlab.com:rsholmes/precadsr.git git submodule init git submodule init git submodule update Find and replace last few thin traces, fix teardrops and gnd fill db7d02719b68f4d2f81a25d8b6527257f18cc3a1 Embiggen traces, add teardrops f63cfba9541079f9f5e1341fca38abad6837ea65 Add 55k-ish.

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