(kicad_pcb
	(version 20260206)
	(generator "pcbnew")
	(generator_version "10.0")
	(general
		(thickness 1.6)
		(legacy_teardrops no)
	)
	(paper "A4")
	(title_block
		(title "Serial Swiss Army Knife - 82x80 mm carrier draft")
		(rev "A1 DRAFT")
		(comment 1 "NOT FOR FABRICATION - USB / antenna geometry pending; verify module pinout / assembly")
	)
	(layers
		(0 "F.Cu" signal)
		(2 "B.Cu" signal)
		(9 "F.Adhes" user "F.Adhesive")
		(11 "B.Adhes" user "B.Adhesive")
		(13 "F.Paste" user)
		(15 "B.Paste" user)
		(5 "F.SilkS" user "F.Silkscreen")
		(7 "B.SilkS" user "B.Silkscreen")
		(1 "F.Mask" user)
		(3 "B.Mask" user)
		(17 "Dwgs.User" user "User.Drawings")
		(19 "Cmts.User" user "User.Comments")
		(21 "Eco1.User" user "User.Eco1")
		(23 "Eco2.User" user "User.Eco2")
		(25 "Edge.Cuts" user)
		(27 "Margin" user)
		(31 "F.CrtYd" user "F.Courtyard")
		(29 "B.CrtYd" user "B.Courtyard")
		(35 "F.Fab" user)
		(33 "B.Fab" user)
		(39 "User.1" user)
		(41 "User.2" user)
		(43 "User.3" user)
		(45 "User.4" user)
	)
	(setup
		(pad_to_mask_clearance 0)
		(allow_soldermask_bridges_in_footprints no)
		(tenting
			(front yes)
			(back yes)
		)
		(covering
			(front no)
			(back no)
		)
		(plugging
			(front no)
			(back no)
		)
		(capping no)
		(filling no)
		(pcbplotparams
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			(plot_on_all_layers_selection 0x00000000_00000000_00000000_00000000)
			(disableapertmacros no)
			(usegerberextensions no)
			(usegerberattributes yes)
			(usegerberadvancedattributes yes)
			(creategerberjobfile yes)
			(dashed_line_dash_ratio 12)
			(dashed_line_gap_ratio 3)
			(svgprecision 4)
			(plotframeref no)
			(mode 1)
			(useauxorigin no)
			(pdf_front_fp_property_popups yes)
			(pdf_back_fp_property_popups yes)
			(pdf_metadata yes)
			(pdf_single_document no)
			(dxfpolygonmode yes)
			(dxfimperialunits yes)
			(dxfusepcbnewfont yes)
			(psnegative no)
			(psa4output no)
			(plot_black_and_white yes)
			(sketchpadsonfab no)
			(plotpadnumbers no)
			(hidednponfab no)
			(sketchdnponfab yes)
			(crossoutdnponfab yes)
			(subtractmaskfromsilk no)
			(outputformat 1)
			(mirror no)
			(drillshape 1)
			(scaleselection 1)
			(outputdirectory "")
		)
	)
	(footprint "Button_Switch_THT:SW_TH_Tactile_Omron_B3F-100x"
		(layer "F.Cu")
		(uuid "1545d15f-20f4-4a6a-a25e-c8bbaa98b280")
		(at 155 168)
		(descr "Tactile switch, 6x6 mm, H4.3 mm, 6.5 mm pitch, https://omronfs.omron.com/en_US/ecb/products/pdf/en-b3f.pdf")
		(tags "Omron B3F-10xx SPST 1P1T")
		(property "Reference" "SW2"
			(at 3.25 -2 0)
			(layer "F.SilkS")
			(uuid "0464527f-fc60-4cc8-8e54-de5d4f9d1e82")
			(effects
				(font
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			)
		)
		(property "Value" "B3F-1000"
			(at 3.25 6.5 0)
			(layer "F.Fab")
			(hide yes)
			(uuid "d63f862e-cc8a-4dbb-bf35-51f43f9f0de0")
			(effects
				(font
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			)
		)
		(property "Datasheet" ""
			(at 0 0 0)
			(unlocked yes)
			(layer "F.Fab")
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			(uuid "bb3cd545-265a-4386-8c21-10e198d3b65b")
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			(effects
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		)
		(property "Manufacturer" "Omron"
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			(layer "F.SilkS")
			(hide yes)
			(uuid "ed0c853c-7bad-4223-ac1a-808d0fb64350")
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		)
		(property "MPN" "B3F-1000"
			(at 0 0 0)
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			(effects
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		)
		(property "Function" "Select / confirm"
			(at 0 0 0)
			(layer "F.SilkS")
			(hide yes)
			(uuid "769482c4-e8d8-4700-b7f3-899603f4f2b0")
			(effects
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		(property "Procurement" "Live stock not verified"
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			(layer "F.SilkS")
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		(path "/c86e0d56-4290-5f2b-b790-14926c8cdeea/c522a716-55a4-584d-a12e-ab135b4c08eb")
		(sheetname "serial-carrier")
		(sheetfile "serial-carrier.kicad_sch")
		(attr through_hole)
		(duplicate_pad_numbers_are_jumpers no)
		(fp_line
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			(stroke
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			(layer "F.SilkS")
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		(fp_line
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		(fp_line
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			(layer "F.SilkS")
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		(fp_line
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			(layer "F.SilkS")
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			(fill no)
			(layer "F.SilkS")
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		)
		(fp_line
			(start -1.1 -1.1)
			(end -1.1 5.6)
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			(layer "F.CrtYd")
			(uuid "4b2c37b6-e4ae-4f97-97e4-4806158a8ff0")
		)
		(fp_line
			(start -1.1 -1.1)
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			(layer "F.CrtYd")
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			(layer "F.CrtYd")
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		(fp_line
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			(layer "F.CrtYd")
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		(fp_line
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			(stroke
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			(layer "F.Fab")
			(uuid "1369fc8e-a420-476b-83a6-e121d270b1fb")
		)
		(fp_line
			(start 0.25 -0.75)
			(end 6.25 -0.75)
			(stroke
				(width 0.1)
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			(layer "F.Fab")
			(uuid "7d37bc49-6b1c-4a0d-9041-859bf5a6bb96")
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		(fp_line
			(start 0.25 5.25)
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			(stroke
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			(layer "F.Fab")
			(uuid "096760c0-5588-4f79-8d14-31bea09bd316")
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		(fp_line
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			(stroke
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			(layer "F.Fab")
			(uuid "cb7d23c1-1737-4bb6-a63a-45ab17b0c1ca")
		)
		(pad "1" thru_hole circle
			(at 0 0)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "/BTN_SELECT")
			(pintype "passive")
			(thermal_bridge_angle 90)
			(uuid "574d93e4-d3fc-4c28-b2d5-4e7d8682c22f")
		)
		(pad "1" thru_hole circle
			(at 6.5 0)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "/BTN_SELECT")
			(pintype "passive")
			(uuid "0398530b-79dc-45b1-886c-51343182e1d3")
		)
		(pad "2" thru_hole circle
			(at 0 4.5)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "/GND")
			(pintype "passive")
			(uuid "970e56ae-cc93-46cd-8807-ccc9cf082aa1")
		)
		(pad "2" thru_hole circle
			(at 6.5 4.5)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "/GND")
			(pintype "passive")
			(uuid "2f44f580-c7e4-4f03-ba46-49605735875c")
		)
		(embedded_fonts no)
		(model "${KICAD10_3DMODEL_DIR}/Button_Switch_THT.3dshapes/SW_TH_Tactile_Omron_B3F-100x.step"
			(offset
				(xyz 0 0 0)
			)
			(scale
				(xyz 1 1 1)
			)
			(rotate
				(xyz 0 0 0)
			)
		)
	)
	(footprint "MountingHole:MountingHole_3.2mm_M3"
		(layer "F.Cu")
		(uuid "1a8b4cef-8dea-4172-b360-f297696eb7e7")
		(at 103.5 122.5)
		(descr "Mounting Hole 3.2mm, M3, no annular, generated by kicad-footprint-generator mountinghole.py")
		(tags "mountinghole M3")
		(property "Reference" "H1"
			(at 0 -4.15 0)
			(layer "F.SilkS")
			(hide yes)
			(uuid "942249d7-2892-4702-9e47-3aa975dee74b")
			(effects
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		)
		(property "Value" "M3 mounting proposal / 3.2mm"
			(at 0 4.15 0)
			(layer "F.Fab")
			(hide yes)
			(uuid "293f6764-7211-46e3-a49c-3565059c6144")
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		(property "Datasheet" ""
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		(property "Description" ""
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			(effects
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		(property "KiLib_Generator" "mounting_hardware/mounting_hole"
			(at 0 0 0)
			(layer "F.SilkS")
			(hide yes)
			(uuid "36b2d4bf-e031-481a-96de-8e66cdad8c0b")
			(effects
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		)
		(attr board_only exclude_from_pos_files exclude_from_bom)
		(duplicate_pad_numbers_are_jumpers no)
		(fp_circle
			(center 0 0)
			(end 3.2 0)
			(stroke
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				(type solid)
			)
			(fill no)
			(layer "Cmts.User")
			(uuid "81e644dc-ae4a-4ff6-b273-a5dd6ca4fa6e")
		)
		(fp_circle
			(center 0 0)
			(end 3.45 0)
			(stroke
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			(fill no)
			(layer "F.CrtYd")
			(uuid "7c4bb299-dc78-4676-b761-710c7ebee708")
		)
		(pad "" np_thru_hole circle
			(at 0 0)
			(size 3.2 3.2)
			(drill 3.2)
			(layers "*.Cu" "*.Mask")
			(uuid "9ae57520-a253-498c-8cfb-ebf661082893")
		)
		(embedded_fonts no)
	)
	(footprint "Carrier:HW678_2x22_Provisional"
		(layer "F.Cu")
		(uuid "3b4d80e2-b60a-47c6-a06a-acd4c69d5a94")
		(at 108 123)
		(descr "HW-678, component/top view antenna up USB down; origin pad 1; left top-bottom 1..22, right top-bottom 23..44; only header centres verified; no GPIO mapping, outline, courtyard or antenna keepout; PROVISIONAL connector fit: 1.70 mm pads / 1.00 mm drills from installed KiCad PinHeader_1x04_P2.54mm_Vertical, awaiting selected actual pin/socket datasheet")
		(tags "module provisional THT")
		(property "Reference" "U1"
			(at 12.7 21 0)
			(layer "F.SilkS")
			(uuid "4da63730-ca2f-4711-ac7d-31a41e5bab7d")
			(effects
				(font
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		(property "Value" "HW678 / S3-N16R8"
			(at 12.7 57 0)
			(layer "F.Fab")
			(hide yes)
			(uuid "1f3098b2-20e5-42d0-82a3-fdd16eea3f58")
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		(property "Status" "Header geometry nominal; outline/antenna clearance pending"
			(at 0 0 0)
			(layer "F.SilkS")
			(hide yes)
			(uuid "4191f9f5-6321-4688-8d4b-79bd6e331adb")
			(effects
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		)
		(property "Pin_numbering" "Left 1-22; right 23-44; both top-to-bottom, antenna up"
			(at 0 0 0)
			(layer "F.SilkS")
			(hide yes)
			(uuid "cb8b2cbb-0181-448d-b826-7aeaf767679f")
			(effects
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		(path "/c86e0d56-4290-5f2b-b790-14926c8cdeea/3ab265d0-7fd3-5891-94eb-d39426c6a8a3")
		(sheetname "serial-carrier")
		(sheetfile "serial-carrier.kicad_sch")
		(attr through_hole)
		(duplicate_pad_numbers_are_jumpers no)
		(pad "1" thru_hole rect
			(at 0 0)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "/+3V3")
			(pinfunction "3V3_1")
			(pintype "power_out")
			(uuid "9aaad355-039f-439b-9cd7-308d07ace02e")
		)
		(pad "2" thru_hole circle
			(at 0 2.54)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "/+3V3")
			(pinfunction "3V3_2")
			(pintype "passive")
			(uuid "2c8cc7c5-7b73-4bc2-a384-b3a5ac459c92")
		)
		(pad "3" thru_hole circle
			(at 0 5.08)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "unconnected-(U1-EN-Pad3)")
			(pinfunction "EN_3")
			(pintype "input+no_connect")
			(uuid "3d92a22d-6120-42f5-a02c-ee31eafb8eed")
		)
		(pad "4" thru_hole circle
			(at 0 7.62)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "/RS_DCD")
			(pinfunction "GPIO4_4")
			(pintype "input")
			(uuid "d9f0d2af-a701-43e9-9d1e-58a6c7cb5250")
		)
		(pad "5" thru_hole circle
			(at 0 10.16)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "/RS_DSR")
			(pinfunction "GPIO5_5")
			(pintype "input")
			(uuid "0ceca603-53a8-4a53-85cc-f7f8e7be90e4")
		)
		(pad "6" thru_hole circle
			(at 0 12.7)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "/RS_RI")
			(pinfunction "GPIO6_6")
			(pintype "input")
			(uuid "f35f1696-b778-437b-8cce-67b8c4d5f5d0")
		)
		(pad "7" thru_hole circle
			(at 0 15.24)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "/RS_DTR")
			(pinfunction "GPIO7_7")
			(pintype "output")
			(uuid "354ab122-85b1-4c9c-9385-d5091fe12303")
		)
		(pad "8" thru_hole circle
			(at 0 17.78)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "/RS_RTS")
			(pinfunction "GPIO15_8")
			(pintype "output")
			(uuid "55162730-46fd-465d-a1c5-20aed09ed534")
		)
		(pad "9" thru_hole circle
			(at 0 20.32)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "/RS_CTS")
			(pinfunction "GPIO16_9")
			(pintype "input")
			(uuid "f75c20f8-d3b5-4c3b-9919-cb044b2da5c3")
		)
		(pad "10" thru_hole circle
			(at 0 22.86)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "/RS_TX")
			(pinfunction "GPIO17_10")
			(pintype "output")
			(uuid "22c323db-7146-44af-951b-04a1d7dbb2fe")
		)
		(pad "11" thru_hole circle
			(at 0 25.4)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "/RS_RX")
			(pinfunction "GPIO18_11")
			(pintype "input")
			(uuid "6573852d-5714-4c8d-8793-0be87f5a052a")
		)
		(pad "12" thru_hole circle
			(at 0 27.94)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "/RS_VALID")
			(pinfunction "GPIO8_12")
			(pintype "input")
			(uuid "2fbc596b-c88f-4fc6-aa94-5dad4fcac9cc")
		)
		(pad "13" thru_hole circle
			(at 0 30.48)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "unconnected-(U1-GPIO3-Pad13)")
			(pinfunction "GPIO3_13")
			(pintype "bidirectional+no_connect")
			(uuid "53f04e63-0c66-4738-996e-3b56af1ef510")
		)
		(pad "14" thru_hole circle
			(at 0 33.02)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "unconnected-(U1-GPIO46-Pad14)")
			(pinfunction "GPIO46_14")
			(pintype "bidirectional+no_connect")
			(uuid "5d98e841-5162-4d6b-bbe5-eb3d74ea0deb")
		)
		(pad "15" thru_hole circle
			(at 0 35.56)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "/RS_OFF_N")
			(pinfunction "GPIO9_15")
			(pintype "bidirectional")
			(uuid "34e1afe9-b3fc-4d3a-9e33-38b32244f19e")
		)
		(pad "16" thru_hole circle
			(at 0 38.1)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "/BTN_PREVIOUS")
			(pinfunction "GPIO10_16")
			(pintype "input")
			(uuid "fc705960-92fa-4d8f-bb0e-ce2b82d1e7fc")
		)
		(pad "17" thru_hole circle
			(at 0 40.64)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "/OLED_SDA")
			(pinfunction "GPIO11_17")
			(pintype "bidirectional")
			(uuid "1f91549c-5cb2-465f-86df-b2f1b0c16ed8")
		)
		(pad "18" thru_hole circle
			(at 0 43.18)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "/OLED_SCL")
			(pinfunction "GPIO12_18")
			(pintype "output")
			(uuid "1c55fd03-0b3e-494f-a37b-6e0b3496cfc9")
		)
		(pad "19" thru_hole circle
			(at 0 45.72)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "/BTN_SELECT")
			(pinfunction "GPIO13_19")
			(pintype "input")
			(uuid "f7b9badd-1db5-4575-9da8-979a7c8f3946")
		)
		(pad "20" thru_hole circle
			(at 0 48.26)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "/BTN_NEXT")
			(pinfunction "GPIO14_20")
			(pintype "input")
			(uuid "e7159c90-4e8d-4b21-8e84-a7f59f793440")
		)
		(pad "21" thru_hole circle
			(at 0 50.8)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "unconnected-(U1-5V-Pad21)")
			(pinfunction "5V_21")
			(pintype "passive+no_connect")
			(uuid "2b3b80ed-7fcd-424e-ab38-c91199dadfef")
		)
		(pad "22" thru_hole circle
			(at 0 53.34)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "/GND")
			(pinfunction "GND_22")
			(pintype "power_out")
			(uuid "9d509ec2-7588-4c77-9146-8d03c8646e37")
		)
		(pad "23" thru_hole circle
			(at 25.4 0)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "/GND")
			(pinfunction "GND_23")
			(pintype "passive")
			(uuid "b66490f6-5d60-415d-babb-215c70511b77")
		)
		(pad "24" thru_hole circle
			(at 25.4 2.54)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "unconnected-(U1-GPIO43-Pad24)")
			(pinfunction "GPIO43_24")
			(pintype "bidirectional+no_connect")
			(uuid "fb25926b-c585-42c7-9e29-cc01cfebb70a")
		)
		(pad "25" thru_hole circle
			(at 25.4 5.08)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "unconnected-(U1-GPIO44-Pad25)")
			(pinfunction "GPIO44_25")
			(pintype "bidirectional+no_connect")
			(uuid "c7817b90-5e57-42a4-b37c-e46699a38742")
		)
		(pad "26" thru_hole circle
			(at 25.4 7.62)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "unconnected-(U1-GPIO1-Pad26)")
			(pinfunction "GPIO1_26")
			(pintype "bidirectional+no_connect")
			(uuid "338dcbac-3c08-46e2-85ac-4307506fa3b1")
		)
		(pad "27" thru_hole circle
			(at 25.4 10.16)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "unconnected-(U1-GPIO2-Pad27)")
			(pinfunction "GPIO2_27")
			(pintype "bidirectional+no_connect")
			(uuid "bdf4b6cd-5000-4eeb-b840-e45b072cb269")
		)
		(pad "28" thru_hole circle
			(at 25.4 12.7)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "unconnected-(U1-GPIO42-Pad28)")
			(pinfunction "GPIO42_28")
			(pintype "bidirectional+no_connect")
			(uuid "37152b28-db53-49da-a02d-e3301b586d9e")
		)
		(pad "29" thru_hole circle
			(at 25.4 15.24)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "unconnected-(U1-GPIO41-Pad29)")
			(pinfunction "GPIO41_29")
			(pintype "bidirectional+no_connect")
			(uuid "a5583e2e-383e-4d5d-b250-efa92ca25df6")
		)
		(pad "30" thru_hole circle
			(at 25.4 17.78)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "unconnected-(U1-GPIO40-Pad30)")
			(pinfunction "GPIO40_30")
			(pintype "bidirectional+no_connect")
			(uuid "f6130f2e-993c-4d3d-bb20-c7a3edaabe5c")
		)
		(pad "31" thru_hole circle
			(at 25.4 20.32)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "unconnected-(U1-GPIO39-Pad31)")
			(pinfunction "GPIO39_31")
			(pintype "bidirectional+no_connect")
			(uuid "d222411f-3467-461e-9008-660aa4e3fe30")
		)
		(pad "32" thru_hole circle
			(at 25.4 22.86)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "unconnected-(U1-GPIO38-Pad32)")
			(pinfunction "GPIO38_32")
			(pintype "bidirectional+no_connect")
			(uuid "eabfa5be-79a6-4b07-b1d6-3c0a1ca06b43")
		)
		(pad "33" thru_hole circle
			(at 25.4 25.4)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "unconnected-(U1-GPIO37-Pad33)")
			(pinfunction "GPIO37_33")
			(pintype "bidirectional+no_connect")
			(uuid "bfbec8d0-9e84-4cfe-bdea-10a3701446f2")
		)
		(pad "34" thru_hole circle
			(at 25.4 27.94)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "unconnected-(U1-GPIO36-Pad34)")
			(pinfunction "GPIO36_34")
			(pintype "bidirectional+no_connect")
			(uuid "850c8ea4-54eb-42c6-af7d-5c95b9f61eac")
		)
		(pad "35" thru_hole circle
			(at 25.4 30.48)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "unconnected-(U1-GPIO35-Pad35)")
			(pinfunction "GPIO35_35")
			(pintype "bidirectional+no_connect")
			(uuid "8ae84977-518d-4025-b9ef-d766d62d1d0b")
		)
		(pad "36" thru_hole circle
			(at 25.4 33.02)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "unconnected-(U1-GPIO0-Pad36)")
			(pinfunction "GPIO0_36")
			(pintype "bidirectional+no_connect")
			(uuid "789493f5-ec55-40d3-87c3-f7c36c780be6")
		)
		(pad "37" thru_hole circle
			(at 25.4 35.56)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "unconnected-(U1-GPIO45-Pad37)")
			(pinfunction "GPIO45_37")
			(pintype "bidirectional+no_connect")
			(uuid "8fbd7a34-3c74-437c-a967-d8a624591364")
		)
		(pad "38" thru_hole circle
			(at 25.4 38.1)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "unconnected-(U1-GPIO48-Pad38)")
			(pinfunction "GPIO48_38")
			(pintype "bidirectional+no_connect")
			(uuid "4b8eabef-8493-437d-bd02-cb9ff4afd7cd")
		)
		(pad "39" thru_hole circle
			(at 25.4 40.64)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "unconnected-(U1-GPIO47-Pad39)")
			(pinfunction "GPIO47_39")
			(pintype "bidirectional+no_connect")
			(uuid "ebd2d5a6-6ea8-40fe-8786-1a53f5ddb4b8")
		)
		(pad "40" thru_hole circle
			(at 25.4 43.18)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "unconnected-(U1-GPIO21-Pad40)")
			(pinfunction "GPIO21_40")
			(pintype "bidirectional+no_connect")
			(uuid "17f8d0a7-7c14-4701-9dcd-63cf7ec7b48e")
		)
		(pad "41" thru_hole circle
			(at 25.4 45.72)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "unconnected-(U1-GPIO20-Pad41)")
			(pinfunction "GPIO20_41")
			(pintype "bidirectional+no_connect")
			(uuid "de6c7dc1-e662-44b6-bab0-b649efedabc1")
		)
		(pad "42" thru_hole circle
			(at 25.4 48.26)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "unconnected-(U1-GPIO19-Pad42)")
			(pinfunction "GPIO19_42")
			(pintype "bidirectional+no_connect")
			(uuid "b68e8903-779a-477b-a2bb-f8eccb98756a")
		)
		(pad "43" thru_hole circle
			(at 25.4 50.8)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "/GND")
			(pinfunction "GND_43")
			(pintype "passive")
			(uuid "23b353d7-7ede-43a0-a655-57496d4f8aee")
		)
		(pad "44" thru_hole circle
			(at 25.4 53.34)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "/GND")
			(pinfunction "GND_44")
			(pintype "passive")
			(uuid "91b9e8e9-7e2c-43ab-b2ef-ec8ba16a25f1")
		)
		(embedded_fonts no)
	)
	(footprint "MountingHole:MountingHole_3.2mm_M3"
		(layer "F.Cu")
		(uuid "550e4f6f-2da4-4812-be68-647df70a0991")
		(at 178 104)
		(descr "Mounting Hole 3.2mm, M3, no annular, generated by kicad-footprint-generator mountinghole.py")
		(tags "mountinghole M3")
		(property "Reference" "H3"
			(at 0 -4.15 0)
			(layer "F.SilkS")
			(hide yes)
			(uuid "8011b8c3-b21a-4dc3-8dc5-800764985b9a")
			(effects
				(font
					(size 1 1)
					(thickness 0.15)
				)
			)
		)
		(property "Value" "M3 mounting proposal / 3.2mm"
			(at 0 4.15 0)
			(layer "F.Fab")
			(hide yes)
			(uuid "9c8ca97b-c295-41c5-8453-d0bb0ec0a8a2")
			(effects
				(font
					(size 1 1)
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		)
		(property "Datasheet" ""
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
			(uuid "e45de6ce-c866-4f57-9e36-72da55d2b38e")
			(effects
				(font
					(size 1.27 1.27)
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		)
		(property "Description" ""
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
			(uuid "0bb15147-57ab-48c2-9fc9-9e61b8b9fe82")
			(effects
				(font
					(size 1.27 1.27)
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			)
		)
		(property "KiLib_Generator" "mounting_hardware/mounting_hole"
			(at 0 0 0)
			(layer "F.SilkS")
			(hide yes)
			(uuid "2a4707ae-2cbb-47bc-8819-8bfbaa657bae")
			(effects
				(font
					(size 1 1)
					(thickness 0.15)
				)
			)
		)
		(attr board_only exclude_from_pos_files exclude_from_bom)
		(duplicate_pad_numbers_are_jumpers no)
		(fp_circle
			(center 0 0)
			(end 3.2 0)
			(stroke
				(width 0.15)
				(type solid)
			)
			(fill no)
			(layer "Cmts.User")
			(uuid "4c07d21c-21de-4de0-b107-ba79a3905641")
		)
		(fp_circle
			(center 0 0)
			(end 3.45 0)
			(stroke
				(width 0.05)
				(type solid)
			)
			(fill no)
			(layer "F.CrtYd")
			(uuid "70cd9171-6019-437d-91dc-5c7bd8efa28b")
		)
		(pad "" np_thru_hole circle
			(at 0 0)
			(size 3.2 3.2)
			(drill 3.2)
			(layers "*.Cu" "*.Mask")
			(uuid "c20753db-9be8-4170-bbfd-a4fdb283a5bb")
		)
		(embedded_fonts no)
	)
	(footprint "Carrier:MAX3243_Reference_Provisional"
		(layer "F.Cu")
		(uuid "812387f6-6524-459e-8102-fe9c55122668")
		(at 143 126.67)
		(descr "PROVISIONAL female 5988 CAD reference / VERIFY MALE 6253 geometry and pad map. Top view DE9 toward -Y; origin JP2 pin 1. Female reference: 1 Vin, 2 GND, 3 DCD, 4 RX, 5 TX, 6 DTR, 7 DSR, 8 RTS, 9 CTS, 10 RI, 11 VLD, 12 OFF. PROVISIONAL connector fit: carrier pads 1.70 mm / drill 1.00 mm. No verified DE9 envelope or courtyard. CAD-derived outline: Limor Fried/Ladyada for Adafruit Industries, CC BY-SA 3.0; see rs232-footprint-notes.md")
		(tags "MAX3243 module female5988 reference male6253 provisional THT")
		(property "Reference" "U2"
			(at 13.97 -12 0)
			(layer "F.SilkS")
			(uuid "bd08a9ac-0290-4ae2-9615-dea5e9a4967a")
			(effects
				(font
					(size 1 1)
					(thickness 0.15)
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			)
		)
		(property "Value" "Adafruit MAX3243 / male 6253"
			(at 13.97 -20.5 0)
			(layer "F.Fab")
			(hide yes)
			(uuid "0d4db5ba-61cc-4ab1-b843-2eeac08dc387")
			(effects
				(font
					(size 0.8 0.8)
					(thickness 0.12)
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		)
		(property "Datasheet" ""
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
			(uuid "9e61c057-f888-4c96-84bd-d3202c346251")
			(effects
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		(property "Description" ""
			(at 0 0 0)
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			(hide yes)
			(uuid "c0e9973e-f4c4-4051-8883-093d77db134d")
			(effects
				(font
					(size 1.27 1.27)
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			)
		)
		(property "Status" "VERIFY male header numbering; footprint intentionally unassigned"
			(at 0 0 0)
			(layer "F.SilkS")
			(hide yes)
			(uuid "20d057b6-ffe5-4aae-a1a9-dd213e4abaae")
			(effects
				(font
					(size 1.27 1.27)
					(thickness 0.15)
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			)
		)
		(property "Datasheet_source" "adafruit-research.md; reference female 5988 CAD"
			(at 0 0 0)
			(layer "F.SilkS")
			(hide yes)
			(uuid "4bfd59ab-ec6d-4656-918d-28d41109cf6c")
			(effects
				(font
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		)
		(path "/c86e0d56-4290-5f2b-b790-14926c8cdeea/1127195e-e393-5d1d-9119-b25d10556144")
		(sheetname "serial-carrier")
		(sheetfile "serial-carrier.kicad_sch")
		(attr through_hole)
		(duplicate_pad_numbers_are_jumpers no)
		(fp_line
			(start -1.905 -26.67)
			(end -1.905 0.127)
			(stroke
				(width 0.1)
				(type solid)
			)
			(layer "F.Fab")
			(uuid "b940a699-61eb-4e59-a95c-3028aedac077")
		)
		(fp_line
			(start 0.635 2.667)
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			(stroke
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			(layer "F.Fab")
			(uuid "1cb154b8-adb2-485f-8250-a595d16d61a8")
		)
		(fp_line
			(start 29.845 -26.67)
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			(stroke
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			(layer "F.Fab")
			(uuid "b8131c41-b527-4e85-b304-7e9aa5e19b63")
		)
		(fp_line
			(start 29.845 0.127)
			(end 29.845 -26.67)
			(stroke
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			(layer "F.Fab")
			(uuid "5f905c30-2904-4dd8-a581-d968a85189e0")
		)
		(fp_arc
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