(kicad_pcb (version 20211014) (generator pcbnew)

  (general
    (thickness 1.6)
  )

  (paper "A4")
  (layers
    (0 "F.Cu" signal)
    (31 "B.Cu" signal)
    (32 "B.Adhes" user "B.Adhesive")
    (33 "F.Adhes" user "F.Adhesive")
    (34 "B.Paste" user)
    (35 "F.Paste" user)
    (36 "B.SilkS" user "B.Silkscreen")
    (37 "F.SilkS" user "F.Silkscreen")
    (38 "B.Mask" user)
    (39 "F.Mask" user)
    (44 "Edge.Cuts" user)
    (45 "Margin" user)
    (46 "B.CrtYd" user "B.Courtyard")
    (47 "F.CrtYd" user "F.Courtyard")
    (48 "B.Fab" user)
    (49 "F.Fab" user)
  )

  (setup
    (stackup
      (layer "F.SilkS" (type "Top Silk Screen"))
      (layer "F.Paste" (type "Top Solder Paste"))
      (layer "F.Mask" (type "Top Solder Mask") (thickness 0.01))
      (layer "F.Cu" (type "copper") (thickness 0.035))
      (layer "dielectric 1" (type "core") (thickness 1.51) (material "FR4") (epsilon_r 4.5) (loss_tangent 0.02))
      (layer "B.Cu" (type "copper") (thickness 0.035))
      (layer "B.Mask" (type "Bottom Solder Mask") (thickness 0.01))
      (layer "B.Paste" (type "Bottom Solder Paste"))
      (layer "B.SilkS" (type "Bottom Silk Screen"))
      (copper_finish "None")
      (dielectric_constraints no)
    )
    (pad_to_mask_clearance 0)
    (pcbplotparams
      (layerselection 0x00010fc_ffffffff)
      (disableapertmacros false)
      (usegerberextensions false)
      (usegerberattributes true)
      (usegerberadvancedattributes true)
      (creategerberjobfile true)
      (svguseinch false)
      (svgprecision 6)
      (excludeedgelayer true)
      (plotframeref false)
      (viasonmask false)
      (mode 1)
      (useauxorigin false)
      (hpglpennumber 1)
      (hpglpenspeed 20)
      (hpglpendiameter 15.000000)
      (dxfpolygonmode true)
      (dxfimperialunits true)
      (dxfusepcbnewfont true)
      (psnegative false)
      (psa4output false)
      (plotreference true)
      (plotvalue true)
      (plotinvisibletext false)
      (sketchpadsonfab false)
      (subtractmaskfromsilk false)
      (outputformat 1)
      (mirror false)
      (drillshape 1)
      (scaleselection 1)
      (outputdirectory "")
    )
  )

  (net 0 "")
  (net 1 "Net-(D1-Pad2)")
  (net 2 "/G5")
  (net 3 "GND")
  (net 4 "/G6")
  (net 5 "+3V3")
  (net 6 "unconnected-(J1-Pad4)")
  (net 7 "unconnected-(J1-Pad5)")
  (net 8 "unconnected-(J2-Pad1)")
  (net 9 "unconnected-(J2-Pad2)")
  (net 10 "unconnected-(J2-Pad3)")

  (footprint "Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical" (layer "F.Cu")
    (tedit 59FED5CC) (tstamp 0b21a65d-d20b-411e-920a-75c343ac5136)
    (at -7.62 22.86)
    (descr "Through hole straight pin header, 1x04, 2.54mm pitch, single row")
    (tags "Through hole pin header THT 1x04 2.54mm single row")
    (property "Sheetfile" "ATOM-chan_ext.kicad_sch")
    (property "Sheetname" "")
    (path "/0217dfc4-fc13-4699-99ad-d9948522648e")
    (attr through_hole)
    (fp_text reference "J2" (at 0 -2.33) (layer "F.SilkS") hide
      (effects (font (size 1 1) (thickness 0.15)))
      (tstamp 5b34a16c-5a14-4291-8242-ea6d6ac54372)
    )
    (fp_text value "Conn_01x04" (at 0 9.95) (layer "F.Fab") hide
      (effects (font (size 1 1) (thickness 0.15)))
      (tstamp 35a9f71f-ba35-47f6-814e-4106ac36c51e)
    )
    (fp_text user "${REFERENCE}" (at 0 3.81 90) (layer "F.Fab") hide
      (effects (font (size 1 1) (thickness 0.15)))
      (tstamp c701ee8e-1214-4781-a973-17bef7b6e3eb)
    )
    (fp_line (start -1.8 9.4) (end 1.8 9.4) (layer "F.CrtYd") (width 0.05) (tstamp 101ef598-601d-400e-9ef6-d655fbb1dbfa))
    (fp_line (start 1.8 -1.8) (end -1.8 -1.8) (layer "F.CrtYd") (width 0.05) (tstamp 6781326c-6e0d-4753-8f28-0f5c687e01f9))
    (fp_line (start -1.8 -1.8) (end -1.8 9.4) (layer "F.CrtYd") (width 0.05) (tstamp 7f52d787-caa3-4a92-b1b2-19d554dc29a4))
    (fp_line (start 1.8 9.4) (end 1.8 -1.8) (layer "F.CrtYd") (width 0.05) (tstamp c8029a4c-945d-42ca-871a-dd73ff50a1a3))
    (fp_line (start 1.27 -1.27) (end 1.27 8.89) (layer "F.Fab") (width 0.1) (tstamp 1e518c2a-4cb7-4599-a1fa-5b9f847da7d3))
    (fp_line (start -1.27 -0.635) (end -0.635 -1.27) (layer "F.Fab") (width 0.1) (tstamp 3a52f112-cb97-43db-aaeb-20afe27664d7))
    (fp_line (start -1.27 8.89) (end -1.27 -0.635) (layer "F.Fab") (width 0.1) (tstamp 41acfe41-fac7-432a-a7a3-946566e2d504))
    (fp_line (start 1.27 8.89) (end -1.27 8.89) (layer "F.Fab") (width 0.1) (tstamp 644ae9fc-3c8e-4089-866e-a12bf371c3e9))
    (fp_line (start -0.635 -1.27) (end 1.27 -1.27) (layer "F.Fab") (width 0.1) (tstamp ee41cb8e-512d-41d2-81e1-3c50fff32aeb))
    (pad "1" thru_hole rect (at 0 0) (size 1.7 1.7) (drill 1) (layers *.Cu *.Mask)
      (net 8 "unconnected-(J2-Pad1)") (pinfunction "Pin_1") (pintype "passive") (tstamp 099096e4-8c2a-4d84-a16f-06b4b6330e7a))
    (pad "2" thru_hole oval (at 0 2.54) (size 1.7 1.7) (drill 1) (layers *.Cu *.Mask)
      (net 9 "unconnected-(J2-Pad2)") (pinfunction "Pin_2") (pintype "passive") (tstamp 87d7448e-e139-4209-ae0b-372f805267da))
    (pad "3" thru_hole oval (at 0 5.08) (size 1.7 1.7) (drill 1) (layers *.Cu *.Mask)
      (net 10 "unconnected-(J2-Pad3)") (pinfunction "Pin_3") (pintype "passive") (tstamp 34a74736-156e-4bf3-9200-cd137cfa59da))
    (pad "4" thru_hole oval (at 0 7.62) (size 1.7 1.7) (drill 1) (layers *.Cu *.Mask)
      (net 3 "GND") (pinfunction "Pin_4") (pintype "passive") (tstamp d0d2eee9-31f6-44fa-8149-ebb4dc2dc0dc))
    (model "${KICAD6_3DMODEL_DIR}/Connector_PinHeader_2.54mm.3dshapes/PinHeader_1x04_P2.54mm_Vertical.wrl"
      (offset (xyz 0 0 0))
      (scale (xyz 1 1 1))
      (rotate (xyz 0 0 0))
    )
  )

  (footprint "LED_THT:LED_D5.0mm" (layer "F.Cu")
    (tedit 5995936A) (tstamp 114181eb-7392-4a8c-8162-9def16899b0d)
    (at -8.89 6.35)
    (descr "LED, diameter 5.0mm, 2 pins, http://cdn-reichelt.de/documents/datenblatt/A500/LL-504BC2E-009.pdf")
    (tags "LED diameter 5.0mm 2 pins")
    (property "Sheetfile" "ATOM-chan_ext.kicad_sch")
    (property "Sheetname" "")
    (path "/d9ad01c4-9416-4b1f-8447-afc1d446fa8a")
    (attr through_hole)
    (fp_text reference "D1" (at -1.27 3.175) (layer "F.SilkS")
      (effects (font (size 1 1) (thickness 0.15)))
      (tstamp b6c83280-9de8-48fe-abf6-b38751f1f93a)
    )
    (fp_text value "LED" (at 1.27 3.96) (layer "F.Fab")
      (effects (font (size 1 1) (thickness 0.15)))
      (tstamp 4f0dfebc-e7f6-45a5-9f1e-4a46e29fdb26)
    )
    (fp_text user "${REFERENCE}" (at 1.25 0) (layer "F.Fab")
      (effects (font (size 0.8 0.8) (thickness 0.2)))
      (tstamp d227fc0c-bf2f-4fed-b7fc-74a4cfce6442)
    )
    (fp_line (start -1.29 -1.545) (end -1.29 1.545) (layer "F.SilkS") (width 0.12) (tstamp faea1312-325a-42de-ac79-3fa8abc809f3))
    (fp_arc (start 4.26 -0.000462) (mid 2.072002 2.880433) (end -1.29 1.54483) (layer "F.SilkS") (width 0.12) (tstamp 3b74bf39-a850-41ab-80d6-abe0d70218a3))
    (fp_arc (start -1.29 -1.54483) (mid 2.072002 -2.880433) (end 4.26 0.000462) (layer "F.SilkS") (width 0.12) (tstamp 9aba9eaa-06af-4d38-b822-b427891cc96f))
    (fp_circle (center 1.27 0) (end 3.77 0) (layer "F.SilkS") (width 0.12) (fill none) (tstamp 01f8b511-43b6-4be5-9a9b-f237d246e930))
    (fp_line (start -1.95 3.25) (end 4.5 3.25) (layer "F.CrtYd") (width 0.05) (tstamp 27785605-ef8c-4fa7-8f40-8dba236a9cba))
    (fp_line (start 4.5 3.25) (end 4.5 -3.25) (layer "F.CrtYd") (width 0.05) (tstamp 29440566-f617-45c7-8f5f-efafe2f0d24b))
    (fp_line (start 4.5 -3.25) (end -1.95 -3.25) (layer "F.CrtYd") (width 0.05) (tstamp 7bd5b512-af4d-43db-aa46-0fc231d1db36))
    (fp_line (start -1.95 -3.25) (end -1.95 3.25) (layer "F.CrtYd") (width 0.05) (tstamp 97660885-3db5-4ad6-a54d-91f2fd79e84a))
    (fp_line (start -1.23 -1.469694) (end -1.23 1.469694) (layer "F.Fab") (width 0.1) (tstamp 7cb4adc7-e689-43cd-a738-0ba18c62365e))
    (fp_arc (start -1.23 -1.469694) (mid 4.17 0.000016) (end -1.230016 1.469666) (layer "F.Fab") (width 0.1) (tstamp df586b02-02b3-429d-a0c0-fe4a87110a37))
    (fp_circle (center 1.27 0) (end 3.77 0) (layer "F.Fab") (width 0.1) (fill none) (tstamp 0df6109b-09d2-45fb-ae96-95a5ff5e96e3))
    (pad "1" thru_hole rect locked (at 0 0) (size 1.8 1.8) (drill 0.9) (layers *.Cu *.Mask)
      (net 3 "GND") (pinfunction "K") (pintype "passive") (tstamp 3dd3167d-34d1-4cd3-a8bc-97b26d5a6d71))
    (pad "2" thru_hole circle locked (at 2.54 0) (size 1.8 1.8) (drill 0.9) (layers *.Cu *.Mask)
      (net 1 "Net-(D1-Pad2)") (pinfunction "A") (pintype "passive") (tstamp f9f43e84-340b-4af7-8310-0549b26e116e))
    (model "${KICAD6_3DMODEL_DIR}/LED_THT.3dshapes/LED_D5.0mm.wrl"
      (offset (xyz 0 0 0))
      (scale (xyz 1 1 1))
      (rotate (xyz 0 0 0))
    )
  )

  (footprint "Connector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_Vertical" (layer "F.Cu")
    (tedit 59FED5CC) (tstamp 30f15357-ce1d-48b9-93dc-7d9b1b2aa048)
    (at 7.62 20.3)
    (descr "Through hole straight pin header, 1x05, 2.54mm pitch, single row")
    (tags "Through hole pin header THT 1x05 2.54mm single row")
    (property "Sheetfile" "ATOM-chan_ext.kicad_sch")
    (property "Sheetname" "")
    (path "/c7020abd-5f72-4358-944e-790f6bac1951")
    (attr through_hole)
    (fp_text reference "J1" (at 0 -2.33) (layer "F.SilkS") hide
      (effects (font (size 1 1) (thickness 0.15)))
      (tstamp 181abe7a-f941-42b6-bd46-aaa3131f90fb)
    )
    (fp_text value "Conn_01x05" (at 0 12.49) (layer "F.Fab") hide
      (effects (font (size 1 1) (thickness 0.15)))
      (tstamp ce83728b-bebd-48c2-8734-b6a50d837931)
    )
    (fp_text user "${REFERENCE}" (at 0 5.08 90) (layer "F.Fab") hide
      (effects (font (size 1 1) (thickness 0.15)))
      (tstamp 0eaa98f0-9565-4637-ace3-42a5231b07f7)
    )
    (fp_line (start 1.8 -1.8) (end -1.8 -1.8) (layer "F.CrtYd") (width 0.05) (tstamp 704d6d51-bb34-4cbf-83d8-841e208048d8))
    (fp_line (start 1.8 11.95) (end 1.8 -1.8) (layer "F.CrtYd") (width 0.05) (tstamp 8174b4de-74b1-48db-ab8e-c8432251095b))
    (fp_line (start -1.8 -1.8) (end -1.8 11.95) (layer "F.CrtYd") (width 0.05) (tstamp f71da641-16e6-4257-80c3-0b9d804fee4f))
    (fp_line (start -1.8 11.95) (end 1.8 11.95) (layer "F.CrtYd") (width 0.05) (tstamp fd470e95-4861-44fe-b1e4-6d8a7c66e144))
    (fp_line (start -1.27 -0.635) (end -0.635 -1.27) (layer "F.Fab") (width 0.1) (tstamp 5fc27c35-3e1c-4f96-817c-93b5570858a6))
    (fp_line (start -0.635 -1.27) (end 1.27 -1.27) (layer "F.Fab") (width 0.1) (tstamp a3e4f0ae-9f86-49e9-b386-ed8b42e012fb))
    (fp_line (start 1.27 -1.27) (end 1.27 11.43) (layer "F.Fab") (width 0.1) (tstamp a690fc6c-55d9-47e6-b533-faa4b67e20f3))
    (fp_line (start 1.27 11.43) (end -1.27 11.43) (layer "F.Fab") (width 0.1) (tstamp c144caa5-b0d4-4cef-840a-d4ad178a2102))
    (fp_line (start -1.27 11.43) (end -1.27 -0.635) (layer "F.Fab") (width 0.1) (tstamp efeac2a2-7682-4dc7-83ee-f6f1b23da506))
    (pad "1" thru_hole rect (at 0 0) (size 1.7 1.7) (drill 1) (layers *.Cu *.Mask)
      (net 5 "+3V3") (pinfunction "Pin_1") (pintype "passive") (tstamp 87371631-aa02-498a-998a-09bdb74784c1))
    (pad "2" thru_hole oval (at 0 2.54) (size 1.7 1.7) (drill 1) (layers *.Cu *.Mask)
      (net 2 "/G5") (pinfunction "Pin_2") (pintype "passive") (tstamp 2e642b3e-a476-4c54-9a52-dcea955640cd))
    (pad "3" thru_hole oval (at 0 5.08) (size 1.7 1.7) (drill 1) (layers *.Cu *.Mask)
      (net 4 "/G6") (pinfunction "Pin_3") (pintype "passive") (tstamp 5038e144-5119-49db-b6cf-f7c345f1cf03))
    (pad "4" thru_hole oval (at 0 7.62) (size 1.7 1.7) (drill 1) (layers *.Cu *.Mask)
      (net 6 "unconnected-(J1-Pad4)") (pinfunction "Pin_4") (pintype "passive") (tstamp ac264c30-3e9a-4be2-b97a-9949b68bd497))
    (pad "5" thru_hole oval (at 0 10.16) (size 1.7 1.7) (drill 1) (layers *.Cu *.Mask)
      (net 7 "unconnected-(J1-Pad5)") (pinfunction "Pin_5") (pintype "passive") (tstamp 54365317-1355-4216-bb75-829375abc4ec))
    (model "${KICAD6_3DMODEL_DIR}/Connector_PinHeader_2.54mm.3dshapes/PinHeader_1x05_P2.54mm_Vertical.wrl"
      (offset (xyz 0 0 0))
      (scale (xyz 1 1 1))
      (rotate (xyz 0 0 0))
    )
  )

  (footprint "OptoDevice:R_LDR_5.1x4.3mm_P3.4mm_Vertical" (layer "F.Cu")
    (tedit 5B8603DB) (tstamp 8654db38-1a10-4dd8-bc50-d36d47176173)
    (at 6.35 -3.81)
    (descr "Resistor, LDR 5.1x3.4mm, see http://yourduino.com/docs/Photoresistor-5516-datasheet.pdf")
    (tags "Resistor LDR5.1x3.4mm")
    (property "Sheetfile" "ATOM-chan_ext.kicad_sch")
    (property "Sheetname" "")
    (path "/facc7a1b-48f7-432d-8c99-461c31468767")
    (attr through_hole)
    (fp_text reference "R1" (at -1.905 -0.013368 90) (layer "F.SilkS")
      (effects (font (size 1 1) (thickness 0.15)))
      (tstamp f48f0041-ce42-4bd4-9cbf-e7a61f40b63d)
    )
    (fp_text value "R" (at 1.5 3) (layer "F.Fab")
      (effects (font (size 1 1) (thickness 0.15)))
      (tstamp bce33354-18a7-44b2-9dba-ee85e434d6ee)
    )
    (fp_text user "${REFERENCE}" (at 1.7 -2.9) (layer "F.Fab")
      (effects (font (size 1 1) (thickness 0.15)))
      (tstamp f1a8edab-bf46-4526-a465-5634381ae6a3)
    )
    (fp_line (start 0.15 2.15) (end 3.2 2.15) (layer "F.SilkS") (width 0.12) (tstamp 6a208df9-979b-4538-9095-200a47936ed0))
    (fp_line (start 0.15 -2.15) (end 3.2 -2.15) (layer "F.SilkS") (width 0.12) (tstamp e904e67d-687b-4696-862e-14a432e67103))
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    (fp_arc (start 3.2 -2.15) (mid 4.321403 -0.027338) (end 3.244513 2.118249) (layer "F.SilkS") (width 0.12) (tstamp f2578955-12d7-4c02-87e0-8a8e60f919b9))
    (fp_line (start 4.53 2.35) (end 4.53 -2.35) (layer "F.CrtYd") (width 0.05) (tstamp ae5d10fb-0c1f-487f-bf73-01918e8dbf6f))
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    (fp_line (start 2.6 0.6) (end 1 0.6) (layer "F.Fab") (width 0.1) (tstamp ceb6cdcb-8e0b-4367-b390-08e19d41682c))
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    (fp_line (start 0.2 -2.1) (end 3.2 -2.1) (layer "F.Fab") (width 0.1) (tstamp fcad587d-8ae7-4c7d-a56f-02c87f607c8d))
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