(kicad_sch (version 20211123) (generator eeschema)

  (uuid d6d22c3f-2b6c-46d7-acf5-eb216e6c4b6c)

  (paper "A5")

  (title_block
    (title "QX2303L50E breakout")
    (date "2024-10-11")
    (rev "0.1")
    (company "Yavook!de")
  )

  (lib_symbols
    (symbol "Connector_Generic:Conn_01x02" (pin_names (offset 1.016) hide) (in_bom yes) (on_board yes)
      (property "Reference" "J" (id 0) (at 0 2.54 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Value" "Conn_01x02" (id 1) (at 0 -5.08 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" "connector" (id 4) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/)" (id 5) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_fp_filters" "Connector*:*_1x??_*" (id 6) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "Conn_01x02_1_1"
        (rectangle (start -1.27 -2.413) (end 0 -2.667)
          (stroke (width 0.1524) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (rectangle (start -1.27 0.127) (end 0 -0.127)
          (stroke (width 0.1524) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (rectangle (start -1.27 1.27) (end 1.27 -3.81)
          (stroke (width 0.254) (type default) (color 0 0 0 0))
          (fill (type background))
        )
        (pin passive line (at -5.08 0 0) (length 3.81)
          (name "Pin_1" (effects (font (size 1.27 1.27))))
          (number "1" (effects (font (size 1.27 1.27))))
        )
        (pin passive line (at -5.08 -2.54 0) (length 3.81)
          (name "Pin_2" (effects (font (size 1.27 1.27))))
          (number "2" (effects (font (size 1.27 1.27))))
        )
      )
    )
    (symbol "Connector_Generic:Conn_02x03_Odd_Even" (pin_names (offset 1.016) hide) (in_bom yes) (on_board yes)
      (property "Reference" "J" (id 0) (at 1.27 5.08 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Value" "Conn_02x03_Odd_Even" (id 1) (at 1.27 -5.08 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" "connector" (id 4) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "Generic connector, double row, 02x03, odd/even pin numbering scheme (row 1 odd numbers, row 2 even numbers), script generated (kicad-library-utils/schlib/autogen/connector/)" (id 5) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_fp_filters" "Connector*:*_2x??_*" (id 6) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "Conn_02x03_Odd_Even_1_1"
        (rectangle (start -1.27 -2.413) (end 0 -2.667)
          (stroke (width 0.1524) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (rectangle (start -1.27 0.127) (end 0 -0.127)
          (stroke (width 0.1524) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (rectangle (start -1.27 2.667) (end 0 2.413)
          (stroke (width 0.1524) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (rectangle (start -1.27 3.81) (end 3.81 -3.81)
          (stroke (width 0.254) (type default) (color 0 0 0 0))
          (fill (type background))
        )
        (rectangle (start 3.81 -2.413) (end 2.54 -2.667)
          (stroke (width 0.1524) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (rectangle (start 3.81 0.127) (end 2.54 -0.127)
          (stroke (width 0.1524) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (rectangle (start 3.81 2.667) (end 2.54 2.413)
          (stroke (width 0.1524) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (pin passive line (at -5.08 2.54 0) (length 3.81)
          (name "Pin_1" (effects (font (size 1.27 1.27))))
          (number "1" (effects (font (size 1.27 1.27))))
        )
        (pin passive line (at 7.62 2.54 180) (length 3.81)
          (name "Pin_2" (effects (font (size 1.27 1.27))))
          (number "2" (effects (font (size 1.27 1.27))))
        )
        (pin passive line (at -5.08 0 0) (length 3.81)
          (name "Pin_3" (effects (font (size 1.27 1.27))))
          (number "3" (effects (font (size 1.27 1.27))))
        )
        (pin passive line (at 7.62 0 180) (length 3.81)
          (name "Pin_4" (effects (font (size 1.27 1.27))))
          (number "4" (effects (font (size 1.27 1.27))))
        )
        (pin passive line (at -5.08 -2.54 0) (length 3.81)
          (name "Pin_5" (effects (font (size 1.27 1.27))))
          (number "5" (effects (font (size 1.27 1.27))))
        )
        (pin passive line (at 7.62 -2.54 180) (length 3.81)
          (name "Pin_6" (effects (font (size 1.27 1.27))))
          (number "6" (effects (font (size 1.27 1.27))))
        )
      )
    )
    (symbol "Device:C_Polarized" (pin_numbers hide) (pin_names (offset 0.254)) (in_bom yes) (on_board yes)
      (property "Reference" "C" (id 0) (at 0.635 2.54 0)
        (effects (font (size 1.27 1.27)) (justify left))
      )
      (property "Value" "C_Polarized" (id 1) (at 0.635 -2.54 0)
        (effects (font (size 1.27 1.27)) (justify left))
      )
      (property "Footprint" "" (id 2) (at 0.9652 -3.81 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" "cap capacitor" (id 4) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "Polarized capacitor" (id 5) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_fp_filters" "CP_*" (id 6) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "C_Polarized_0_1"
        (rectangle (start -2.286 0.508) (end 2.286 1.016)
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -1.778 2.286)
            (xy -0.762 2.286)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -1.27 2.794)
            (xy -1.27 1.778)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (rectangle (start 2.286 -0.508) (end -2.286 -1.016)
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type outline))
        )
      )
      (symbol "C_Polarized_1_1"
        (pin passive line (at 0 3.81 270) (length 2.794)
          (name "~" (effects (font (size 1.27 1.27))))
          (number "1" (effects (font (size 1.27 1.27))))
        )
        (pin passive line (at 0 -3.81 90) (length 2.794)
          (name "~" (effects (font (size 1.27 1.27))))
          (number "2" (effects (font (size 1.27 1.27))))
        )
      )
    )
    (symbol "Device:D_Schottky" (pin_numbers hide) (pin_names (offset 1.016) hide) (in_bom yes) (on_board yes)
      (property "Reference" "D" (id 0) (at 0 2.54 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Value" "D_Schottky" (id 1) (at 0 -2.54 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" "diode Schottky" (id 4) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "Schottky diode" (id 5) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_fp_filters" "TO-???* *_Diode_* *SingleDiode* D_*" (id 6) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "D_Schottky_0_1"
        (polyline
          (pts
            (xy 1.27 0)
            (xy -1.27 0)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 1.27 1.27)
            (xy 1.27 -1.27)
            (xy -1.27 0)
            (xy 1.27 1.27)
          )
          (stroke (width 0.254) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -1.905 0.635)
            (xy -1.905 1.27)
            (xy -1.27 1.27)
            (xy -1.27 -1.27)
            (xy -0.635 -1.27)
            (xy -0.635 -0.635)
          )
          (stroke (width 0.254) (type default) (color 0 0 0 0))
          (fill (type none))
        )
      )
      (symbol "D_Schottky_1_1"
        (pin passive line (at -3.81 0 0) (length 2.54)
          (name "K" (effects (font (size 1.27 1.27))))
          (number "1" (effects (font (size 1.27 1.27))))
        )
        (pin passive line (at 3.81 0 180) (length 2.54)
          (name "A" (effects (font (size 1.27 1.27))))
          (number "2" (effects (font (size 1.27 1.27))))
        )
      )
    )
    (symbol "Device:L" (pin_numbers hide) (pin_names (offset 1.016) hide) (in_bom yes) (on_board yes)
      (property "Reference" "L" (id 0) (at -1.27 0 90)
        (effects (font (size 1.27 1.27)))
      )
      (property "Value" "L" (id 1) (at 1.905 0 90)
        (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" "inductor choke coil reactor magnetic" (id 4) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "Inductor" (id 5) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_fp_filters" "Choke_* *Coil* Inductor_* L_*" (id 6) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "L_0_1"
        (arc (start 0 -2.54) (mid 0.635 -1.905) (end 0 -1.27)
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (arc (start 0 -1.27) (mid 0.635 -0.635) (end 0 0)
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (arc (start 0 0) (mid 0.635 0.635) (end 0 1.27)
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (arc (start 0 1.27) (mid 0.635 1.905) (end 0 2.54)
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
      )
      (symbol "L_1_1"
        (pin passive line (at 0 3.81 270) (length 1.27)
          (name "1" (effects (font (size 1.27 1.27))))
          (number "1" (effects (font (size 1.27 1.27))))
        )
        (pin passive line (at 0 -3.81 90) (length 1.27)
          (name "2" (effects (font (size 1.27 1.27))))
          (number "2" (effects (font (size 1.27 1.27))))
        )
      )
    )
    (symbol "mini-boards:QX2303L50E" (pin_names (offset 0.254)) (in_bom yes) (on_board yes)
      (property "Reference" "U" (id 0) (at -3.81 3.175 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Value" "QX2303L50E" (id 1) (at 0 3.175 0)
        (effects (font (size 1.27 1.27)) (justify left))
      )
      (property "Footprint" "Package_TO_SOT_SMD:SOT-89-3" (id 2) (at 0 5.08 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "Datasheet" "https://www.lcsc.com/datasheet/lcsc_datasheet_1809201531_QX-Micro-Devices-QX2303L50TO_C236066.pdf" (id 3) (at 2.54 -6.35 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_keywords" "linear regulator ldo fixed positive obsolete" (id 4) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "1A Low Dropout regulator, positive, 1.5V fixed output, SOT-223" (id 5) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_fp_filters" "SOT?223*TabPin2*" (id 6) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "QX2303L50E_0_1"
        (rectangle (start -5.08 -5.08) (end 5.08 1.905)
          (stroke (width 0.254) (type default) (color 0 0 0 0))
          (fill (type background))
        )
      )
      (symbol "QX2303L50E_1_1"
        (pin power_in line (at 0 -7.62 90) (length 2.54)
          (name "GND" (effects (font (size 1.27 1.27))))
          (number "1" (effects (font (size 1.27 1.27))))
        )
        (pin power_out line (at 7.62 0 180) (length 2.54)
          (name "VO" (effects (font (size 1.27 1.27))))
          (number "2" (effects (font (size 1.27 1.27))))
        )
        (pin open_collector line (at -7.62 0 0) (length 2.54)
          (name "LX" (effects (font (size 1.27 1.27))))
          (number "3" (effects (font (size 1.27 1.27))))
        )
      )
    )
    (symbol "power:+5V" (power) (pin_names (offset 0)) (in_bom yes) (on_board yes)
      (property "Reference" "#PWR" (id 0) (at 0 -3.81 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "Value" "+5V" (id 1) (at 0 3.556 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 \"+5V\"" (id 5) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "+5V_0_1"
        (polyline
          (pts
            (xy -0.762 1.27)
            (xy 0 2.54)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 0)
            (xy 0 2.54)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 2.54)
            (xy 0.762 1.27)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
      )
      (symbol "+5V_1_1"
        (pin power_in line (at 0 0 90) (length 0) hide
          (name "+5V" (effects (font (size 1.27 1.27))))
          (number "1" (effects (font (size 1.27 1.27))))
        )
      )
    )
    (symbol "power:+BATT" (power) (pin_names (offset 0)) (in_bom yes) (on_board yes)
      (property "Reference" "#PWR" (id 0) (at 0 -3.81 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "Value" "+BATT" (id 1) (at 0 3.556 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 battery" (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 \"+BATT\"" (id 5) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "+BATT_0_1"
        (polyline
          (pts
            (xy -0.762 1.27)
            (xy 0 2.54)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 0)
            (xy 0 2.54)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 2.54)
            (xy 0.762 1.27)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
      )
      (symbol "+BATT_1_1"
        (pin power_in line (at 0 0 90) (length 0) hide
          (name "+BATT" (effects (font (size 1.27 1.27))))
          (number "1" (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) (type default) (color 0 0 0 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 90.17 50.8) (diameter 0) (color 0 0 0 0)
    (uuid 10590bf5-effa-4339-ba2e-66bc1e26e544)
  )
  (junction (at 77.47 50.8) (diameter 0) (color 0 0 0 0)
    (uuid 12338904-49d9-4408-8230-54e215e3670e)
  )
  (junction (at 125.73 50.8) (diameter 0) (color 0 0 0 0)
    (uuid 1f8e8439-29d6-48dc-85a2-31fc4a1324d9)
  )
  (junction (at 123.19 50.8) (diameter 0) (color 0 0 0 0)
    (uuid 4e120d68-8e67-4747-bebb-7fd19b519624)
  )
  (junction (at 110.49 62.23) (diameter 0) (color 0 0 0 0)
    (uuid 67b03db7-01f7-4787-b5ae-ed11c8922cf2)
  )
  (junction (at 125.73 68.58) (diameter 0) (color 0 0 0 0)
    (uuid 9c47579c-a43d-407e-ae12-24e7893bb299)
  )
  (junction (at 110.49 50.8) (diameter 0) (color 0 0 0 0)
    (uuid b8afbbdb-9390-4be4-bc8c-f51623ccb47c)
  )
  (junction (at 100.33 74.93) (diameter 0) (color 0 0 0 0)
    (uuid c9ee1793-5a49-4f2d-a3ab-dd4254db355d)
  )

  (wire (pts (xy 123.19 50.8) (xy 123.19 53.34))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 01de4ba4-4783-47ce-9adf-6ca5a3aaa694)
  )
  (wire (pts (xy 110.49 50.8) (xy 123.19 50.8))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 055187a0-c657-4709-bb79-990558b03be2)
  )
  (wire (pts (xy 77.47 74.93) (xy 100.33 74.93))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 07f6681b-873b-4e6a-b1b5-af9dc14fd5e5)
  )
  (wire (pts (xy 128.27 50.8) (xy 128.27 53.34))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 18cf9091-a2f4-41fe-84e4-b4df1d7bf12e)
  )
  (wire (pts (xy 107.95 62.23) (xy 110.49 62.23))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 2017994e-ec49-4918-8984-2bf02c2f255c)
  )
  (wire (pts (xy 69.85 53.34) (xy 72.39 53.34))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 2517143a-8e4c-4ced-875d-d3d1c7396035)
  )
  (wire (pts (xy 110.49 62.23) (xy 110.49 64.77))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 2ed74284-0574-49de-99a5-42a676045649)
  )
  (wire (pts (xy 110.49 74.93) (xy 100.33 74.93))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 3323dc4b-3091-4b61-8e29-819a6df3d0b2)
  )
  (wire (pts (xy 90.17 50.8) (xy 96.52 50.8))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 34d91818-6e7a-42af-aad4-8f851864db1e)
  )
  (wire (pts (xy 104.14 50.8) (xy 110.49 50.8))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 36ccff8a-f90a-4cc1-b0e4-faa3827f99a8)
  )
  (wire (pts (xy 110.49 72.39) (xy 110.49 74.93))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 478d2441-33a3-447b-bcb9-dbd3afc404f9)
  )
  (wire (pts (xy 77.47 50.8) (xy 80.01 50.8))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 52f85964-641d-4eea-8017-c9278b840fe1)
  )
  (wire (pts (xy 77.47 53.34) (xy 77.47 50.8))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 5483beda-560f-49dd-871d-4d02f0fce00f)
  )
  (wire (pts (xy 72.39 53.34) (xy 72.39 55.88))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 558defdc-d59c-4b0d-b6ae-48f601070740)
  )
  (wire (pts (xy 125.73 50.8) (xy 125.73 53.34))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 6a120c38-e96d-492e-8abc-9172417b3996)
  )
  (wire (pts (xy 77.47 48.26) (xy 77.47 50.8))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 75087dfd-d36a-4a21-897b-171941791fdc)
  )
  (wire (pts (xy 128.27 66.04) (xy 128.27 68.58))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 81a86fdf-3ef3-4dd0-8d8a-dd87141adc99)
  )
  (wire (pts (xy 100.33 74.93) (xy 100.33 77.47))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 82ed2eef-113d-426b-86e8-d4dc4626fbf2)
  )
  (wire (pts (xy 125.73 68.58) (xy 125.73 77.47))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 832b52bd-55cd-4d86-bb77-cc91409727c1)
  )
  (wire (pts (xy 123.19 68.58) (xy 123.19 66.04))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 89bfff28-376e-4c81-a97c-46b278d28894)
  )
  (wire (pts (xy 100.33 69.85) (xy 100.33 74.93))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 8aa930cb-35cd-4b29-92e2-49d73e00be7d)
  )
  (wire (pts (xy 110.49 62.23) (xy 110.49 50.8))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 8e01856b-fb10-4d61-a102-4b24370e7b71)
  )
  (wire (pts (xy 125.73 50.8) (xy 128.27 50.8))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid a446a35b-39f1-4634-8863-1218f6210b7e)
  )
  (wire (pts (xy 125.73 68.58) (xy 128.27 68.58))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid a721a1a6-be33-49d0-bf23-674d94aedba1)
  )
  (wire (pts (xy 123.19 50.8) (xy 125.73 50.8))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid a7f16854-6671-4437-acdb-15777b1fb6ad)
  )
  (wire (pts (xy 87.63 50.8) (xy 90.17 50.8))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid acff9b82-3690-4b5d-bbc4-df229fa6cfb3)
  )
  (wire (pts (xy 69.85 50.8) (xy 77.47 50.8))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid c298ac2e-e66c-48a1-88e3-b8733502fb98)
  )
  (wire (pts (xy 123.19 68.58) (xy 125.73 68.58))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid d09ca92c-7dc1-4b2d-837e-ffdf828e2239)
  )
  (wire (pts (xy 125.73 66.04) (xy 125.73 68.58))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid d73d39f4-5b50-473f-a5b2-482acb60bcfa)
  )
  (wire (pts (xy 92.71 62.23) (xy 90.17 62.23))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid d9682c5f-29b8-4f83-aab2-f38484140637)
  )
  (wire (pts (xy 90.17 62.23) (xy 90.17 50.8))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid ed12cee6-272f-4c19-91f4-db6829a280ea)
  )
  (wire (pts (xy 77.47 60.96) (xy 77.47 74.93))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid f72e8210-f3c6-47fd-8068-eb7e7108295c)
  )
  (wire (pts (xy 110.49 48.26) (xy 110.49 50.8))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid fb0dfc4e-ff53-44af-abcd-f164572cff35)
  )

  (symbol (lib_id "power:GND") (at 100.33 77.47 0) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (uuid 2f16dc8c-0140-4d3b-b76b-4cda7ba1895d)
    (property "Reference" "#PWR03" (id 0) (at 100.33 83.82 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "GND" (id 1) (at 100.33 82.55 0))
    (property "Footprint" "" (id 2) (at 100.33 77.47 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (id 3) (at 100.33 77.47 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid feec56f7-e994-40af-8d3a-068501272514))
  )

  (symbol (lib_id "Device:L") (at 83.82 50.8 90) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (uuid 35e671b2-9245-48d2-a29a-bd42d05892c0)
    (property "Reference" "L1" (id 0) (at 83.82 44.45 90))
    (property "Value" "47u" (id 1) (at 83.82 46.99 90))
    (property "Footprint" "Inductor_SMD:L_10.4x10.4_H4.8" (id 2) (at 83.82 50.8 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (id 3) (at 83.82 50.8 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid db4e5e6c-51f3-4523-93b3-f4ff3820c731))
    (pin "2" (uuid ef53b595-c614-423d-a6fb-39dadaf195d1))
  )

  (symbol (lib_id "power:+BATT") (at 77.47 48.26 0) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (uuid 44846317-d1e2-477d-a35b-51871755918f)
    (property "Reference" "#PWR02" (id 0) (at 77.47 52.07 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "+BATT" (id 1) (at 77.47 43.18 0))
    (property "Footprint" "" (id 2) (at 77.47 48.26 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (id 3) (at 77.47 48.26 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid ef9f8301-dc5f-451e-ba1c-8e4dbaaa1292))
  )

  (symbol (lib_id "power:GND") (at 72.39 55.88 0) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (uuid 52fbf40c-0e5f-4029-a0b1-37316262935a)
    (property "Reference" "#PWR01" (id 0) (at 72.39 62.23 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "GND" (id 1) (at 72.39 60.96 0))
    (property "Footprint" "" (id 2) (at 72.39 55.88 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (id 3) (at 72.39 55.88 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 8e2f8205-e4dc-4f30-b2d3-923cfa6a811c))
  )

  (symbol (lib_id "Device:D_Schottky") (at 100.33 50.8 0) (mirror y) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (uuid 570db851-3c14-4b07-aaee-dec69aaa6841)
    (property "Reference" "D1" (id 0) (at 100.6475 44.45 0))
    (property "Value" "1N5819W" (id 1) (at 100.6475 46.99 0))
    (property "Footprint" "Diode_SMD:D_SOD-123" (id 2) (at 100.33 50.8 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (id 3) (at 100.33 50.8 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid f395501b-cc79-4321-94da-01db94bfacfe))
    (pin "2" (uuid 312ff802-7b4c-41f6-a233-b66812327f7e))
  )

  (symbol (lib_id "power:GND") (at 125.73 77.47 0) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (uuid 69371893-244b-414a-afca-ea291f2b0c42)
    (property "Reference" "#PWR05" (id 0) (at 125.73 83.82 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "GND" (id 1) (at 125.73 82.55 0))
    (property "Footprint" "" (id 2) (at 125.73 77.47 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (id 3) (at 125.73 77.47 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 25c171f9-fb8b-43d4-93b3-b7fe90c0d780))
  )

  (symbol (lib_id "Connector_Generic:Conn_02x03_Odd_Even") (at 125.73 58.42 270) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (uuid 720f9518-b0d8-4879-8ffc-0a3335e2eb9d)
    (property "Reference" "J2" (id 0) (at 130.81 58.4199 90)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Value" "Conn_02x03_Odd_Even" (id 1) (at 130.81 60.9599 90)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Footprint" "Connector_PinHeader_2.54mm:PinHeader_2x03_P2.54mm_Vertical" (id 2) (at 125.73 58.42 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (id 3) (at 125.73 58.42 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 55dcb42c-b26a-49b8-8a1f-cc80851d2e4d))
    (pin "2" (uuid 15fcf661-f7ee-4981-92aa-29fa30316a60))
    (pin "3" (uuid 0b2da3ef-2445-490e-b668-8ae41309ee36))
    (pin "4" (uuid c2288b71-0313-4831-b20b-64c01771a6a6))
    (pin "5" (uuid 10a5cee8-0f6f-4aac-80c1-915f5fcf52f0))
    (pin "6" (uuid f138c51d-0ee0-424a-a154-6e86a60a846b))
  )

  (symbol (lib_id "power:+5V") (at 110.49 48.26 0) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (uuid 8a3d59a2-0a00-4207-88f7-d346ed242d7a)
    (property "Reference" "#PWR04" (id 0) (at 110.49 52.07 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "+5V" (id 1) (at 110.49 43.18 0))
    (property "Footprint" "" (id 2) (at 110.49 48.26 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (id 3) (at 110.49 48.26 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid dcaf89bf-e9d4-43aa-a318-e5c523c67279))
  )

  (symbol (lib_id "Device:C_Polarized") (at 110.49 68.58 0) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (uuid a295bced-ed02-4793-b20b-c408c380490d)
    (property "Reference" "C2" (id 0) (at 114.3 66.4209 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Value" "22u Ta" (id 1) (at 114.3 68.9609 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Footprint" "Capacitor_SMD:C_1206_3216Metric_Pad1.33x1.80mm_HandSolder" (id 2) (at 111.4552 72.39 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (id 3) (at 110.49 68.58 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 7d1f3170-cc35-476c-9a8e-c2de4ff0f0d2))
    (pin "2" (uuid aaa91500-66bb-43c9-9571-94d347e6b5b8))
  )

  (symbol (lib_id "Device:C_Polarized") (at 77.47 57.15 0) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (uuid e13c728a-3ed6-49c4-8f5a-1fbf52a33396)
    (property "Reference" "C1" (id 0) (at 81.28 54.9909 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Value" "10u" (id 1) (at 81.28 57.5309 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Footprint" "Capacitor_SMD:CP_Elec_4x5.4" (id 2) (at 78.4352 60.96 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (id 3) (at 77.47 57.15 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 7488ffd0-17c9-4301-903a-1e4313b27e34))
    (pin "2" (uuid b177d36d-aca8-4749-8e6e-ca9297f70ebc))
  )

  (symbol (lib_id "mini-boards:QX2303L50E") (at 100.33 62.23 0) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (uuid f49e82b6-a014-4127-a008-c0324ba1bd45)
    (property "Reference" "U1" (id 0) (at 100.33 54.61 0))
    (property "Value" "QX2303L50E" (id 1) (at 100.33 57.15 0))
    (property "Footprint" "Package_TO_SOT_SMD:SOT-89-3" (id 2) (at 100.33 57.15 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "https://www.lcsc.com/datasheet/lcsc_datasheet_1809201531_QX-Micro-Devices-QX2303L50TO_C236066.pdf" (id 3) (at 102.87 68.58 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid f62d967a-b1a7-446b-9420-7dd0f5ab1389))
    (pin "2" (uuid 76f4fcd0-9cf8-46db-ac52-f1e536d18c9d))
    (pin "3" (uuid b903c58c-3668-47b2-a90b-8b72295c1eae))
  )

  (symbol (lib_id "Connector_Generic:Conn_01x02") (at 64.77 50.8 0) (mirror y) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (uuid ff4a4218-9fc4-402c-a14c-cb50563fcc64)
    (property "Reference" "J1" (id 0) (at 64.77 44.45 0))
    (property "Value" "Conn_01x02" (id 1) (at 64.77 46.99 0))
    (property "Footprint" "Connector_JST:JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical" (id 2) (at 64.77 50.8 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (id 3) (at 64.77 50.8 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 7828029e-e7fc-4aa5-81da-84571d5c1f4b))
    (pin "2" (uuid e71060dd-31f5-483c-baa0-0a99f96c8e7b))
  )

  (sheet_instances
    (path "/" (page "1"))
  )

  (symbol_instances
    (path "/52fbf40c-0e5f-4029-a0b1-37316262935a"
      (reference "#PWR01") (unit 1) (value "GND") (footprint "")
    )
    (path "/44846317-d1e2-477d-a35b-51871755918f"
      (reference "#PWR02") (unit 1) (value "+BATT") (footprint "")
    )
    (path "/2f16dc8c-0140-4d3b-b76b-4cda7ba1895d"
      (reference "#PWR03") (unit 1) (value "GND") (footprint "")
    )
    (path "/8a3d59a2-0a00-4207-88f7-d346ed242d7a"
      (reference "#PWR04") (unit 1) (value "+5V") (footprint "")
    )
    (path "/69371893-244b-414a-afca-ea291f2b0c42"
      (reference "#PWR05") (unit 1) (value "GND") (footprint "")
    )
    (path "/e13c728a-3ed6-49c4-8f5a-1fbf52a33396"
      (reference "C1") (unit 1) (value "10u") (footprint "Capacitor_SMD:CP_Elec_4x5.4")
    )
    (path "/a295bced-ed02-4793-b20b-c408c380490d"
      (reference "C2") (unit 1) (value "22u Ta") (footprint "Capacitor_SMD:C_1206_3216Metric_Pad1.33x1.80mm_HandSolder")
    )
    (path "/570db851-3c14-4b07-aaee-dec69aaa6841"
      (reference "D1") (unit 1) (value "1N5819W") (footprint "Diode_SMD:D_SOD-123")
    )
    (path "/ff4a4218-9fc4-402c-a14c-cb50563fcc64"
      (reference "J1") (unit 1) (value "Conn_01x02") (footprint "Connector_JST:JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical")
    )
    (path "/720f9518-b0d8-4879-8ffc-0a3335e2eb9d"
      (reference "J2") (unit 1) (value "Conn_02x03_Odd_Even") (footprint "Connector_PinHeader_2.54mm:PinHeader_2x03_P2.54mm_Vertical")
    )
    (path "/35e671b2-9245-48d2-a29a-bd42d05892c0"
      (reference "L1") (unit 1) (value "47u") (footprint "Inductor_SMD:L_10.4x10.4_H4.8")
    )
    (path "/f49e82b6-a014-4127-a008-c0324ba1bd45"
      (reference "U1") (unit 1) (value "QX2303L50E") (footprint "Package_TO_SOT_SMD:SOT-89-3")
    )
  )
)