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With optional wifi, https://dl.sipeed.com/MAIX/HDK/Sipeed-M1&M1W/Specifications AI Kendryte K210 RISC-V Texas Instruments BGA-289, 0.4mm pad, 15x15mm, 289 Ball, 17x17 Layout, 0.8mm Pitch, https://www.micron.com/-/media/client/global/documents/products/data-sheet/dram/ddr3/4gb_ddr3l.pdf#page=26 ST uTFBGA-36, 0.25mm pad, 3.6x3.6mm, 36 Ball, 6x6 Layout, 0.5mm Pitch, https://www.st.com/resource/en/datasheet/stm32mp151a.pdf ST TFBGA-361, 12.0x12.0mm, 361 Ball, 23x23 Layout, 0.5mm Pitch, 0.3mm Ball, http://www.st.com/resource/en/datasheet/stm32l486qg.pdf UFBGA-144, 12x12 raster, 7x7mm package, pitch 0.5mm; see section 6.6 of http://www.st.com/resource/en/datasheet/DM00273119.pdf X1-WLB0909, 0.89x0.89mm, 4 Ball, 2x2 Layout, 0.5mm Pitch, WSON-8, http://www.ti.com/lit/ds/symlink/lm27761.pdf WSON 8 1EP ThermalVias WSON, 8 Pin, TI DRG, (http://www.ti.com/lit/ds/symlink/lp2951.pdf#page=27), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-109-02-xxx-DV-BE-LC, 9 Pins per row (https://www.hirose.com/product/document?clcode=CL0537-0834-6-81&productname=DF12E(3.0)-50DP-0.5V(81)&series=DF12&documenttype=2DDrawing⟨=en&documentid=0000992393), generated with kicad-footprint-generator Soldered wire connection with feed through strain relief, for a little bit of margin // margins from edges h_margin .

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