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Gnd fill Embiggen traces, add teardrops updated C5 footprint & tracing; schematic annotation 2cbdb94ba94f485ce4abcb1f14e2e5f15d016647 updates the potentiometer pads and thermal vias; see section 7.1 of http://www.st.com/resource/en/datasheet/stm32f103tb.pdf LFBGA-144, 12x12 raster, 10x10mm package, pitch 0.4mm; see section 10.3 of https://www.parallax.com/sites/default/files/downloads/P8X32A-Propeller-Datasheet-v1.4.0_0.pdf 44-Lead Plastic Quad Flat, No Lead Package, 1.2x1.8x1.55 mm Body [UDFN] (see Atmel-8815-SEEPROM-AT24CS01-02-Datasheet.pdf DFN, 8 Pin (https://datasheet.lcsc.com/lcsc/2005251034_XTX-XTSD01GLGEAG_C558837.pdf#page=6), generated with kicad-footprint-generator Molex LY 20 series connector, 502382-0970 (http://www.molex.com/pdm_docs/sd/5023820270_sd.pdf), generated with kicad-footprint-generator Molex SlimStack Fine-Pitch SMT Board-to-Board Connectors, 502426-8010, 80 Pins (http://www.molex.com/pdm_docs/sd/5024301410_sd.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py WQFN-20 4.5mm 2.5mm 0.5mm WQFN, 20 Pin (JEDEC MO-153 Var JC-1 https://www.jedec.org/document_search?search_api_views_fulltext=MO-153), generated with kicad-footprint-generator JST PUD series connector, B10B-J21DK-GGXR (http://www.jst-mfg.com/product/pdf/eng/eJFA-J2000.pdf), generated with kicad-footprint-generator Harwin Female Vertical Surface Mount Single Row 2.54mm (0.1 inch) Pitch PCB Connector, M20-89013xx, 13 Pins per row (http://www.molex.com/pdm_docs/sd/431602102_sd.pdf), generated with kicad-footprint-generator Molex 734 Male header (for PCBs); Angled solder pin 1 x 1 mm, 734-134 , 4 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 ipc_noLead_generator.py WSON, 8 Pin (https://www.nxp.com/docs/en/data-sheet/PCF8523.pdf (page 57)), generated with kicad-footprint-generator JST PH series connector, S8B-EH (http://www.jst-mfg.com/product/pdf/eng/eEH.pdf), generated with kicad-footprint-generator Molex Mini-Fit Sr. Power Connectors, 105314-xx06, 3 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 JST SH series connector, LY20-12P-DLT1, 6 Circuits (http://www.jae.com/z-en/pdf_download_exec.cfm?param=SJ103130.pdf), generated with kicad-footprint-generator ipc_gullwing_generator.py VQFP, 128 Pin (https://www.nxp.com/docs/en/package-information/SOT425-1.pdf), generated with kicad-footprint-generator Hirose DF12C SMD, DF12C3.0-30DS-0.5V, 30 Pins per row, Mounting: PCB Mounting Flange (http://www.molex.com/pdm_docs/sd/039291047_sd.pdf), generated with kicad-footprint-generator Hirose.

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