(kicad_sch (version 20210621) (generator eeschema)

  (uuid 8b38e713-2ae3-4571-a0a2-528b1d1f5431)

  (paper "A4")

  (lib_symbols
    (symbol "RF_GPS:NEO-8Q" (in_bom yes) (on_board yes)
      (property "Reference" "U" (id 0) (at -13.97 21.59 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Value" "NEO-8Q" (id 1) (at 11.43 21.59 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Footprint" "RF_GPS:ublox_NEO" (id 2) (at 10.16 -21.59 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "Datasheet" "https://www.u-blox.com/sites/default/files/NEO-8Q_DataSheet_%28UBX-15031913%29.pdf" (id 3) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_keywords" "ublox GPS GNSS module" (id 4) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "GNSS Module NEO 8, VCC 1.65V to 3.6V" (id 5) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_fp_filters" "ublox*NEO*" (id 6) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "NEO-8Q_0_1"
        (rectangle (start -15.24 20.32) (end 15.24 -20.32)
          (stroke (width 0.254)) (fill (type background))
        )
      )
      (symbol "NEO-8Q_1_1"
        (pin input line (at -17.78 -12.7 0) (length 2.54)
          (name "~{SAFEBOOT}" (effects (font (size 1.27 1.27))))
          (number "1" (effects (font (size 1.27 1.27))))
        )
        (pin power_in line (at 0 -22.86 90) (length 2.54)
          (name "GND" (effects (font (size 1.27 1.27))))
          (number "10" (effects (font (size 1.27 1.27))))
        )
        (pin input line (at 17.78 0 180) (length 2.54)
          (name "RF_IN" (effects (font (size 1.27 1.27))))
          (number "11" (effects (font (size 1.27 1.27))))
        )
        (pin passive line (at 0 -22.86 90) (length 2.54) hide
          (name "GND" (effects (font (size 1.27 1.27))))
          (number "12" (effects (font (size 1.27 1.27))))
        )
        (pin passive line (at 0 -22.86 90) (length 2.54) hide
          (name "GND" (effects (font (size 1.27 1.27))))
          (number "13" (effects (font (size 1.27 1.27))))
        )
        (pin output line (at 17.78 5.08 180) (length 2.54)
          (name "LNA_EN" (effects (font (size 1.27 1.27))))
          (number "14" (effects (font (size 1.27 1.27))))
        )
        (pin no_connect line (at 15.24 -10.16 180) (length 2.54) hide
          (name "RESERVED" (effects (font (size 1.27 1.27))))
          (number "15" (effects (font (size 1.27 1.27))))
        )
        (pin no_connect line (at 15.24 -12.7 180) (length 2.54) hide
          (name "RESERVED" (effects (font (size 1.27 1.27))))
          (number "16" (effects (font (size 1.27 1.27))))
        )
        (pin no_connect line (at 15.24 -15.24 180) (length 2.54) hide
          (name "RESERVED" (effects (font (size 1.27 1.27))))
          (number "17" (effects (font (size 1.27 1.27))))
        )
        (pin bidirectional line (at -17.78 0 0) (length 2.54)
          (name "SDA/~{SPI_CS}" (effects (font (size 1.27 1.27))))
          (number "18" (effects (font (size 1.27 1.27))))
        )
        (pin input line (at -17.78 -2.54 0) (length 2.54)
          (name "SCL/SPI_CLK" (effects (font (size 1.27 1.27))))
          (number "19" (effects (font (size 1.27 1.27))))
        )
        (pin input line (at -17.78 -17.78 0) (length 2.54)
          (name "D_SEL" (effects (font (size 1.27 1.27))))
          (number "2" (effects (font (size 1.27 1.27))))
        )
        (pin output line (at -17.78 7.62 0) (length 2.54)
          (name "TXD/SPI_MISO" (effects (font (size 1.27 1.27))))
          (number "20" (effects (font (size 1.27 1.27))))
        )
        (pin input line (at -17.78 5.08 0) (length 2.54)
          (name "RXD/SPI_MOSI" (effects (font (size 1.27 1.27))))
          (number "21" (effects (font (size 1.27 1.27))))
        )
        (pin power_in line (at -2.54 22.86 270) (length 2.54)
          (name "V_BCKP" (effects (font (size 1.27 1.27))))
          (number "22" (effects (font (size 1.27 1.27))))
        )
        (pin power_in line (at -5.08 22.86 270) (length 2.54)
          (name "VCC" (effects (font (size 1.27 1.27))))
          (number "23" (effects (font (size 1.27 1.27))))
        )
        (pin passive line (at 0 -22.86 90) (length 2.54) hide
          (name "GND" (effects (font (size 1.27 1.27))))
          (number "24" (effects (font (size 1.27 1.27))))
        )
        (pin output line (at 17.78 -7.62 180) (length 2.54)
          (name "TIMEPULSE" (effects (font (size 1.27 1.27))))
          (number "3" (effects (font (size 1.27 1.27))))
        )
        (pin input line (at -17.78 -7.62 0) (length 2.54)
          (name "EXTINT" (effects (font (size 1.27 1.27))))
          (number "4" (effects (font (size 1.27 1.27))))
        )
        (pin bidirectional line (at -17.78 15.24 0) (length 2.54)
          (name "USB_DM" (effects (font (size 1.27 1.27))))
          (number "5" (effects (font (size 1.27 1.27))))
        )
        (pin bidirectional line (at -17.78 12.7 0) (length 2.54)
          (name "USB_DP" (effects (font (size 1.27 1.27))))
          (number "6" (effects (font (size 1.27 1.27))))
        )
        (pin power_in line (at 0 22.86 270) (length 2.54)
          (name "VDD_USB" (effects (font (size 1.27 1.27))))
          (number "7" (effects (font (size 1.27 1.27))))
        )
        (pin input line (at -17.78 -15.24 0) (length 2.54)
          (name "~{RESET}" (effects (font (size 1.27 1.27))))
          (number "8" (effects (font (size 1.27 1.27))))
        )
        (pin power_out line (at 5.08 22.86 270) (length 2.54)
          (name "VCC_RF" (effects (font (size 1.27 1.27))))
          (number "9" (effects (font (size 1.27 1.27))))
        )
      )
    )
    (symbol "power:GND" (power) (pin_names (offset 0)) (in_bom yes) (on_board yes)
      (property "Reference" "#PWR" (id 0) (at 0 -6.35 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "Value" "GND" (id 1) (at 0 -3.81 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Footprint" "" (id 2) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "Datasheet" "" (id 3) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_keywords" "power-flag" (id 4) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "Power symbol creates a global label with name \"GND\" , ground" (id 5) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "GND_0_1"
        (polyline
          (pts
            (xy 0 0)
            (xy 0 -1.27)
            (xy 1.27 -1.27)
            (xy 0 -2.54)
            (xy -1.27 -1.27)
            (xy 0 -1.27)
          )
          (stroke (width 0)) (fill (type none))
        )
      )
      (symbol "GND_1_1"
        (pin power_in line (at 0 0 270) (length 0) hide
          (name "GND" (effects (font (size 1.27 1.27))))
          (number "1" (effects (font (size 1.27 1.27))))
        )
      )
    )
  )


  (junction (at 162.56 57.15) (diameter 1.016) (color 0 0 0 0))

  (no_connect (at 147.32 67.945) (uuid 85201180-d2ed-4b0d-81b0-9e79da370ca6))
  (no_connect (at 147.32 70.485) (uuid 85201180-d2ed-4b0d-81b0-9e79da370ca6))
  (no_connect (at 147.32 95.885) (uuid 4009b76d-4e12-41c2-8abc-3c909f129ef1))
  (no_connect (at 170.18 60.325) (uuid 1b73e5f0-4e7e-41b1-9c36-49ff1ba71bba))
  (no_connect (at 175.26 46.99) (uuid 9b815f68-a45a-4127-9423-cdd83a06ce58))
  (no_connect (at 175.26 53.34) (uuid a9289e3e-6f9e-45ad-b6b7-28ae328600f3))
  (no_connect (at 182.88 78.105) (uuid 0e6bdf56-5557-47ab-807c-4c8fd6a29f11))
  (no_connect (at 182.88 90.805) (uuid 640c81af-5b52-4930-825d-dea52c971932))
  (no_connect (at 193.04 73.66) (uuid 98eb6060-9d50-40a5-94eb-83c0e8b85566))
  (no_connect (at 193.04 77.47) (uuid 4ff146fd-0bfd-4102-8960-a7fdb5091651))

  (wire (pts (xy 137.795 83.185) (xy 147.32 83.185))
    (stroke (width 0) (type solid) (color 0 0 0 0))
    (uuid 5251a5b4-b539-4b4e-b018-161b8beafed2)
  )
  (wire (pts (xy 137.795 85.725) (xy 147.32 85.725))
    (stroke (width 0) (type solid) (color 0 0 0 0))
    (uuid 4084926f-4258-4973-ad0e-0c5c93e18a30)
  )
  (wire (pts (xy 137.795 90.805) (xy 147.32 90.805))
    (stroke (width 0) (type solid) (color 0 0 0 0))
    (uuid 8858a9fe-8549-4ef9-88bb-49db4bff91ef)
  )
  (wire (pts (xy 137.795 98.425) (xy 147.32 98.425))
    (stroke (width 0) (type solid) (color 0 0 0 0))
    (uuid 0d1c9ec4-0f70-4131-a0ee-a4f1f87d74f6)
  )
  (wire (pts (xy 138.43 75.565) (xy 147.32 75.565))
    (stroke (width 0) (type solid) (color 0 0 0 0))
    (uuid c9b79fc2-7829-436d-bcdd-8c484f9f29bb)
  )
  (wire (pts (xy 138.43 78.105) (xy 147.32 78.105))
    (stroke (width 0) (type solid) (color 0 0 0 0))
    (uuid ba04f105-0e60-4ac9-bff5-6cb4b45bffa4)
  )
  (wire (pts (xy 143.51 100.965) (xy 143.51 107.95))
    (stroke (width 0) (type solid) (color 0 0 0 0))
    (uuid 8b91a71a-a3ba-4252-b2f5-9f4031caa8c6)
  )
  (wire (pts (xy 147.32 100.965) (xy 143.51 100.965))
    (stroke (width 0) (type solid) (color 0 0 0 0))
    (uuid 8b91a71a-a3ba-4252-b2f5-9f4031caa8c6)
  )
  (wire (pts (xy 160.02 57.15) (xy 162.56 57.15))
    (stroke (width 0) (type solid) (color 0 0 0 0))
    (uuid fccd4a8f-3137-4bb9-8889-b2aa4118e340)
  )
  (wire (pts (xy 160.02 60.325) (xy 160.02 57.15))
    (stroke (width 0) (type solid) (color 0 0 0 0))
    (uuid fccd4a8f-3137-4bb9-8889-b2aa4118e340)
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  (wire (pts (xy 162.56 53.34) (xy 162.56 57.15))
    (stroke (width 0) (type solid) (color 0 0 0 0))
    (uuid bbf7da76-e33f-43b1-9a67-7043aa182473)
  )
  (wire (pts (xy 162.56 57.15) (xy 162.56 60.325))
    (stroke (width 0) (type solid) (color 0 0 0 0))
    (uuid bbf7da76-e33f-43b1-9a67-7043aa182473)
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  (wire (pts (xy 165.1 57.15) (xy 162.56 57.15))
    (stroke (width 0) (type solid) (color 0 0 0 0))
    (uuid a02bd23e-7b47-4517-b433-4fae3ea5cf01)
  )
  (wire (pts (xy 165.1 60.325) (xy 165.1 57.15))
    (stroke (width 0) (type solid) (color 0 0 0 0))
    (uuid a02bd23e-7b47-4517-b433-4fae3ea5cf01)
  )
  (wire (pts (xy 165.1 106.045) (xy 165.1 110.49))
    (stroke (width 0) (type solid) (color 0 0 0 0))
    (uuid 109800b1-b5e0-4743-8d22-e246de803e33)
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  (wire (pts (xy 182.88 83.185) (xy 196.215 83.185))
    (stroke (width 0) (type solid) (color 0 0 0 0))
    (uuid 0f9455ca-1e7c-4a7d-adcb-93057294c494)
  )

  (text "Connected to logic 1 \nUSB/I2C comm\n" (at 120.015 108.585 0)
    (effects (font (size 1.27 1.27)) (justify left bottom))
    (uuid cdf36631-0b51-4d27-94ca-d6a112c60208)
  )
  (text "Missing Capacitor on Power supply\n(low ESR)" (at 176.53 50.8 0)
    (effects (font (size 1.27 1.27)) (justify left bottom))
    (uuid 998aa15a-aab2-47f8-95be-c3a0a284deb3)
  )
  (text "No bypass capacitors" (at 176.53 54.61 0)
    (effects (font (size 1.27 1.27)) (justify left bottom))
    (uuid 0b42d314-3a79-448a-ae45-66bbce0c5e0c)
  )
  (text "Missing information about antenna routing" (at 194.31 74.93 0)
    (effects (font (size 1.27 1.27)) (justify left bottom))
    (uuid 191e82d5-e216-4e16-9901-6cf435ad0fb5)
  )
  (text "No antenna specification (only patch is not sufficient)\nExternal LNA or active antena should be used"
    (at 194.31 80.01 0)
    (effects (font (size 1.27 1.27)) (justify left bottom))
    (uuid 912f6073-bfe7-4b15-b52d-9d1b9b3cb0c0)
  )

  (hierarchical_label "SDA" (shape input) (at 137.795 83.185 180)
    (effects (font (size 1.27 1.27)) (justify right))
    (uuid 28288a5a-c749-4593-bff9-9b21e95e73dd)
  )
  (hierarchical_label "SCL" (shape input) (at 137.795 85.725 180)
    (effects (font (size 1.27 1.27)) (justify right))
    (uuid 0038fc9c-adb7-480f-a3b0-d335966c7de8)
  )
  (hierarchical_label "INTERUPT" (shape input) (at 137.795 90.805 180)
    (effects (font (size 1.27 1.27)) (justify right))
    (uuid 9e5a965b-eb8a-46fb-8cc3-3c71df006882)
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  (hierarchical_label "RESET" (shape input) (at 137.795 98.425 180)
    (effects (font (size 1.27 1.27)) (justify right))
    (uuid c6baae81-9c26-4ac1-9a81-4d33222cc3bf)
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  (hierarchical_label "TXD" (shape input) (at 138.43 75.565 180)
    (effects (font (size 1.27 1.27)) (justify right))
    (uuid 77325409-927e-4816-8b14-d0d27926febb)
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  (hierarchical_label "RXD" (shape input) (at 138.43 78.105 180)
    (effects (font (size 1.27 1.27)) (justify right))
    (uuid f59b0ec7-475f-495d-84b5-c74c61d7d053)
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  (hierarchical_label "3V3" (shape input) (at 143.51 107.95 270)
    (effects (font (size 1.27 1.27)) (justify right))
    (uuid 55c5b167-0b14-4745-ab77-15db804ffcd4)
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  (hierarchical_label "3V3" (shape input) (at 162.56 53.34 90)
    (effects (font (size 1.27 1.27)) (justify left))
    (uuid 96585917-cdbb-41e4-b8e2-e09d4e47135f)
  )
  (hierarchical_label "GPS_ANT" (shape input) (at 196.215 83.185 0)
    (effects (font (size 1.27 1.27)) (justify left))
    (uuid e3bd75a8-a008-465f-a63d-739a9418cb4e)
  )

  (symbol (lib_id "power:GND") (at 165.1 110.49 0) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (uuid b42e3e51-4895-4f50-b2c8-586f6f566925)
    (property "Reference" "#PWR0108" (id 0) (at 165.1 116.84 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "GND" (id 1) (at 165.1 114.3 0))
    (property "Footprint" "" (id 2) (at 165.1 110.49 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (id 3) (at 165.1 110.49 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid c39d28e4-aa9d-4523-9e2e-c0bedf3a7ae4))
  )

  (symbol (lib_id "RF_GPS:NEO-8Q") (at 165.1 83.185 0) (unit 1)
    (in_bom yes) (on_board yes)
    (uuid a9077745-053e-4b42-8a30-760f9487663f)
    (property "Reference" "U1" (id 0) (at 175.26 59.5536 0))
    (property "Value" "NEO-8Q" (id 1) (at 176.53 61.595 0))
    (property "Footprint" "RF_GPS:ublox_NEO" (id 2) (at 175.26 104.775 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "https://www.u-blox.com/sites/default/files/NEO-8Q_DataSheet_%28UBX-15031913%29.pdf" (id 3) (at 165.1 83.185 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid d1d693bd-584e-4547-979f-6de7cb628471))
    (pin "10" (uuid d0cfed2d-e85e-4479-a085-c4b2450e5c68))
    (pin "11" (uuid 540d3971-9fb4-432b-95c0-cf4761488158))
    (pin "12" (uuid 4f3db53d-ef33-460e-a779-b81706a4a921))
    (pin "13" (uuid 8502183d-f4dc-4544-bb80-3e3aa279a2fe))
    (pin "14" (uuid 4f512183-5d30-4acf-9345-cd67dbefd868))
    (pin "15" (uuid 238d7fe2-6548-4dda-bf5a-74dcc7a70573))
    (pin "16" (uuid 8d46c2c7-433a-4cde-96de-c7fd5d2a05c2))
    (pin "17" (uuid dea9f0b7-b984-4886-8db3-062d2a14a81d))
    (pin "18" (uuid 01973dd4-b3eb-4276-a005-560f229bfbbd))
    (pin "19" (uuid a7c91dc1-ea7a-46ea-a4b8-549c8350bb17))
    (pin "2" (uuid 25ad4dc1-ea94-4377-9d18-4868ba51b633))
    (pin "20" (uuid 245c0693-aed6-4a8d-9cd6-b03490ec17ef))
    (pin "21" (uuid 06489c1e-09fe-4d09-9deb-3dceac73dd63))
    (pin "22" (uuid 27a6f0b3-7033-496d-a8f1-4f3762addea8))
    (pin "23" (uuid 2c3ebd6e-6ee6-40b9-ae6a-46e0809c1fd1))
    (pin "24" (uuid 6b3ba189-4e50-44ce-8add-14b5de8e9849))
    (pin "3" (uuid e6560693-1652-41dd-b9e4-423557b86dc0))
    (pin "4" (uuid 22f7afd9-dc52-4911-8b12-985ac51a06fe))
    (pin "5" (uuid 31b5520b-877b-49f8-ae05-b792064b443c))
    (pin "6" (uuid fe7486b0-4936-44fb-ac02-8f8516ea045c))
    (pin "7" (uuid a7a15876-afbb-4db8-b5fb-0b651ca9fbfa))
    (pin "8" (uuid 7d3316ae-5a12-4e8f-8c99-a5712fe0c63f))
    (pin "9" (uuid 4290b65b-0fe2-4fc1-b245-7f3cdf42e6b5))
  )
)