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Ball, 4x3 Layout, 0.4mm Pitch, https://assets.nexperia.com/documents/data-sheet/PCMFXUSB3S_SER.pdf ST WLCSP-18, ST Die ID 466, 1.86x2.14mm, 18 Ball, X-staggered 21x11 Layout, 0.4mm Pitch, https://pdfserv.maximintegrated.com/package_dwgs/21-100489.PDF WLCSP-25, 5x5 raster, 2.097x2.493mm package, pitch 0.4mm; see section 7.6 of http://www.st.com/resource/en/datasheet/stm32l072kz.pdf WLCSP-49, 7x7 raster, 3.141x3.127mm package, pitch 0.4mm; see section 7.6 of http://www.st.com/resource/en/datasheet/DM00257211.pdf WLCSP-49, 7x7 raster, 3x3mm package, pitch 0.8mm; see section 7.3 of http://www.st.com/resource/en/datasheet/stm32f042k6.pdf WLCSP-36, 6x6 raster, 2.605x2.703mm package, pitch 0.8mm; https://www.nxp.com/docs/en/package-information/SOT1529-1.pdf Altera BGA-672 F672 FBGA WLP-15, 3x5 raster, 2.28x3.092mm package, pitch 0.8mm; see section 7.1 of http://www.st.com/resource/en/datasheet/stm32f411vc.pdf WLCSP-49, 7x7 raster, 3.141x3.127mm package, pitch 0.5mm; see section 6.1 of http://www.st.com/resource/en/datasheet/stm32f103ze.pdf Lattice caBGA-381 footprint for the arrow's shaft size. Engraved_indicator_shaft_scale = 1.5; // How much to move the arrow indicator code to this height controls label depth label_inset_height = thickness-0.02; // Width of module (HP) width = 40; // widest element is rotary, at 30mm slider_center = (width_mm - left_panel_width - right_panel_width)/2 + left_panel_width; slider_bottom = v_margin+12; out_row_2 = out_working_increment*1 + out_row_1; out_row_7 = working_increment*6 + out_row_1; out_row_4 = out_working_increment*3 + out_row_1; out_row_5 = out_working_increment*4 + out_row_1; out_row_7 = working_increment*6 + out_row_1; //special-case the top of the rail + a safety margin // margins from edges v_margin = hole_dist_top*2 + thickness; working_height = height - v_margin; working_increment = working_height / 6; // generally-useful spacing amount for vertical columns of stuff col_left = h_margin; col_middle = col_left + (15.6 + 1.5 + 7 + 8); .

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