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Http://www.st.com/resource/en/datasheet/stm32f378vc.pdf WLCSP-72, 9x9 raster, 4x4mm package, pitch 0.8mm; see section 7.1 of http://www.st.com/resource/en/datasheet/stm32f301r8.pdf WLCSP-49, 7x7 raster, 3.294x3.258mm package, pitch 0.4mm; http://ww1.microchip.com/downloads/en/devicedoc/atmel-8235-8-bit-avr-microcontroller-attiny20_datasheet.pdf#page=208 WLCSP-16, 1.409x1.409mm, 16 Ball, 4x4 Layout, 0.35mm Pitch, https://www.st.com/resource/en/datasheet/stm32h747xi.pdf DFN, 6 Pin (https://www.silabs.com/documents/public/data-sheets/Si7020-A20.pdf), generated with kicad-footprint-generator Capacitor SMD 1812 (4532 Metric), square (rectangular) end terminal, IPC_7351 nominal, (Body size source: http://www.tortai-tech.com/upload/download/2011102023233369053.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-125-02-xxx-DV-A, 25 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 Molex Mini-Universal MATE-N-LOK, old mpn/engineering number: 1-794069-x, 9 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xx-dv-xe-xx-mkt.pdf, http://suddendocs.samtec.com/prints/hle-thru.pdf), generated with kicad-footprint-generator Inductor SMD Wuerth WE-DD TypL TypXL TypXXL Shielded Coupled Inductor, Wuerth Elektronik, Wuerth_MAPI-3012, 3.0mmx3.0mm Inductor, Taiyo Yuden, NR series, Taiyo-Yuden_NR-40xx, 4.0mmx4.0mm Inductor, Taiyo Yuden, NR series, Taiyo-Yuden_NR-10050, 9.8mmx10.0mm, https://ds.yuden.co.jp/TYCOMPAS/or/specSheet?pn=NR10050T1R3N Inductor, Traco, TCK-047, 5.2x5.8mm, https://www.tracopower.com/products/tck047.pdf Choke, SMD, 12x12mm 4.5mm height Choke, SMD, 4.0x4.0mm 2.1mm height, https://www.tracopower.com/products/tck141.pdf Low Profile, High Current Power Inductor SMD, Coilcraft LPS5030, https://www.coilcraft.com/pdfs/lps5030.pdf, StepUp generated footprint Coilcraft XAL60xx series, https://www.coilcraft.com/pdfs/xal60xx.pdf Coilcraft 0603USB Series Common Mode Line Filter, https://www.we-online.de/katalog/en/WE-SL5/, https://www.we-online.de/katalog/datasheet/744272471.pdf SMT Common Mode Choke, https://www.coilcraft.com/pdfs/1812can.pdf WE-SL5 SMT Common Mode Choke, https://www.coilcraft.com/pdfs/0603usb.pdf surface mount SMD package RGB LED 3.2x2.7mm http://www.avagotech.com/docs/AV02-0610EN LED RGB NeoPixel Nano 2020 Latest commits for file Synth_Manuals/LABOR_MANUAL.pdf Collect other files not yet included in repo main dd8fda85b1 Update README.md * [Schematic](Docs/precadsr.pdf) * PCB layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf) * [BOM](Docs/precadsr_bom.md) .