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Rules: https://www.xilinx.com/support/documentation/user_guides/ug1099-bga-device-design-rules.pdf Altera UBGA U324 BGA-324 BGA-624, 25x25 grid, 21x21mm package, pitch 0.4mm; https://www.latticesemi.com/view_document?document_id=213 UFBGA-15, 4x4, 3x3mm package, pitch 0.4mm; see section 7.5 of http://www.st.com/resource/en/datasheet/stm32f303r8.pdf WLCSP-49, 7x7 raster, 3.277x3.109mm package, pitch 0.65mm UFBGA-32, 6x6, 4x4mm package, pitch 0.4mm; see section 7.5 of http://www.st.com/resource/en/datasheet/stm32f051t8.pdf WLCSP-36, 6x6 raster, 2.61x2.88mm package, pitch 0.4mm; see section 7.8 of http://www.st.com/resource/en/datasheet/DM00387108.pdf Texas Instruments, QFM MOF0009A, 6x8x2mm (http://www.ti.com/lit/ml/mpsi063a/mpsi063a.pdf QFN, 41 Pin (http://www.ti.com/lit/ml/mpqf506/mpqf506.pdf QFN, 28 Pin (JEDEC MO-153 Var AB https://www.jedec.org/document_search?search_api_views_fulltext=MO-194), generated with kicad-footprint-generator ipc_gullwing_generator.py SSOP18: plastic shrink small outline package; 28 leads; body width 3 mm; (see NXP SSOP-TSSOP-VSO-REFLOW.pdf and sot369-1_po.pdf SSOP, 16 Pin (https://pdfserv.maximintegrated.com/package_dwgs/21-0140.PDF (T2855-3)), generated with kicad-footprint-generator ipc_noLead_generator.py LFCSP, 32 Pin (http://www.thatcorp.com/datashts/THAT_5171_Datasheet.pdf), generated with kicad-footprint-generator Single banana socket, footprint - 3 5mm LEDs Docs/precadsr.pdf Normal file View File Images/PXL_20210831_002553634.jpg Normal file Unescape ; DRILL file {KiCad 5.1.10-88a1d61d58~90~ubuntu20.04.1} date Sat Aug 7 10:22:31 2021 e6b834b08c Fix floating pin for op amp Add kicad schematic, some diylc noodling .../Unseen Servant/Unseen Servant.kicad_sch | 1 | SW_SPDT | Switch, single pole double throw, illuminated paddle, http://www.nkkswitches.com/pdf/gwillum.pdf switch single-pole double-throw ON-OFF-ON D Single Pole Single Throw (SPST) switch, small symbol D 4x DIP Switch, Single Pole Single Throw (SPST) switch, small symbol D Switch, triple pole double throw K switch normally-open pushbutton push-button Side push button.

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