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Accelerated MCU with optional wifi, https://dl.sipeed.com/MAIX/HDK/Sipeed-M1&M1W/Specifications AI Kendryte K210 RISC-V Texas Instruments DSBGA BGA Texas Instruments, DSBGA, 3.415x3.535x0.625mm, 64 ball 8x8 area grid, NSMD pad definition Appendix A BGA 1156 1 FF1157 FFG1157 FFV1157 FF1158 FFG1158 FFV1158 Virtex-7 BGA, 42x42 grid, 42.5x42.5mm package, 1mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=271, ttps://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=281, https://www.xilinx.com/support/documentation/user_guides/ug865-Zynq-7000-Pkg-Pinout.pdf#page=82, NSMD pad definition (http://www.ti.com/lit/ds/symlink/txs0104e.pdf, http://www.ti.com/lit/an/snva009ag/snva009ag.pdf Texas Instruments EUW 7 Pin Double Sided Module 16-pin module, column spacing 22.86 mm (900 mils), https://wiki.wemos.cc/products:d1:d1_mini, https://c1.staticflickr.com/1/734/31400410271_f278b087db_z.jpg DIN rail adapter universal three M3 clearance holes Mounting Hole 6.4mm, M6, ISO14580 mounting hole 2.7mm no annular m5 iso7380 Mounting Hole 2.2mm, no annular, M8 mounting hole 2.7mm m2.5 iso14580 Mounting Hole 5.3mm, no annular, M2, ISO14580 mounting hole 5.3mm no annular Mounting Hole 5mm, no annular m2 iso14580 Mounting Hole 4.5mm, no annular m3 din965 Mounting Hole 8.4mm, no annular, M2.5, DIN965 mounting hole 4.3mm m4 iso7380 Mounting Hole 6.5mm, no annular m4 din965 Mounting Hole 2.7mm, no annular, M3, DIN965 mounting hole 4.3mm no annular mounting hole 3.2mm m3 iso14580 Mounting Hole 8.4mm, no annular, M5 mounting hole 8.4mm m8 Mounting Hole 4.3mm, M4, ISO7380 mounting hole position tweaks Messing around with panel title fonts More experimentation with panel alignment before printing Messing around with panel alignment before printing 9a2ab6dc7f initial notes for v1 front panel.

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