(kicad_sch (version 20211123) (generator eeschema)

  (uuid 9538e4ed-27e6-4c37-b989-9859dc0d49e8)

  (paper "A4")

  (lib_symbols
    (symbol "Connector:Conn_01x04_Male" (pin_names (offset 1.016) hide) (in_bom yes) (on_board yes)
      (property "Reference" "J" (id 0) (at 0 5.08 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Value" "Conn_01x04_Male" (id 1) (at 0 -7.62 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, 01x04, 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_01x04_Male_1_1"
        (polyline
          (pts
            (xy 1.27 -5.08)
            (xy 0.8636 -5.08)
          )
          (stroke (width 0.1524) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 1.27 -2.54)
            (xy 0.8636 -2.54)
          )
          (stroke (width 0.1524) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 1.27 0)
            (xy 0.8636 0)
          )
          (stroke (width 0.1524) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 1.27 2.54)
            (xy 0.8636 2.54)
          )
          (stroke (width 0.1524) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (rectangle (start 0.8636 -4.953) (end 0 -5.207)
          (stroke (width 0.1524) (type default) (color 0 0 0 0))
          (fill (type outline))
        )
        (rectangle (start 0.8636 -2.413) (end 0 -2.667)
          (stroke (width 0.1524) (type default) (color 0 0 0 0))
          (fill (type outline))
        )
        (rectangle (start 0.8636 0.127) (end 0 -0.127)
          (stroke (width 0.1524) (type default) (color 0 0 0 0))
          (fill (type outline))
        )
        (rectangle (start 0.8636 2.667) (end 0 2.413)
          (stroke (width 0.1524) (type default) (color 0 0 0 0))
          (fill (type outline))
        )
        (pin passive line (at 5.08 2.54 180) (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 0 180) (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 -2.54 180) (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 5.08 -5.08 180) (length 3.81)
          (name "Pin_4" (effects (font (size 1.27 1.27))))
          (number "4" (effects (font (size 1.27 1.27))))
        )
      )
    )
    (symbol "Device:LED" (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" "LED" (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" "LED diode" (id 4) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "Light emitting diode" (id 5) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_fp_filters" "LED* LED_SMD:* LED_THT:*" (id 6) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "LED_0_1"
        (polyline
          (pts
            (xy -1.27 -1.27)
            (xy -1.27 1.27)
          )
          (stroke (width 0.254) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (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 -3.048 -0.762)
            (xy -4.572 -2.286)
            (xy -3.81 -2.286)
            (xy -4.572 -2.286)
            (xy -4.572 -1.524)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -1.778 -0.762)
            (xy -3.302 -2.286)
            (xy -2.54 -2.286)
            (xy -3.302 -2.286)
            (xy -3.302 -1.524)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
      )
      (symbol "LED_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:Q_Photo_NPN" (pin_names (offset 0) hide) (in_bom yes) (on_board yes)
      (property "Reference" "Q" (id 0) (at 5.08 1.27 0)
        (effects (font (size 1.27 1.27)) (justify left))
      )
      (property "Value" "Q_Photo_NPN" (id 1) (at 5.08 -1.27 0)
        (effects (font (size 1.27 1.27)) (justify left))
      )
      (property "Footprint" "" (id 2) (at 5.08 2.54 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" "phototransistor NPN" (id 4) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "NPN phototransistor, collector/emitter" (id 5) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "Q_Photo_NPN_0_1"
        (polyline
          (pts
            (xy -1.905 1.27)
            (xy -2.54 1.27)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -1.27 2.54)
            (xy -1.905 2.54)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0.635 0.635)
            (xy 2.54 2.54)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -3.81 3.175)
            (xy -1.905 1.27)
            (xy -1.905 1.905)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -3.175 4.445)
            (xy -1.27 2.54)
            (xy -1.27 3.175)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0.635 -0.635)
            (xy 2.54 -2.54)
            (xy 2.54 -2.54)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0.635 1.905)
            (xy 0.635 -1.905)
            (xy 0.635 -1.905)
          )
          (stroke (width 0.508) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 1.27 -1.778)
            (xy 1.778 -1.27)
            (xy 2.286 -2.286)
            (xy 1.27 -1.778)
            (xy 1.27 -1.778)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type outline))
        )
        (circle (center 1.27 0) (radius 2.8194)
          (stroke (width 0.254) (type default) (color 0 0 0 0))
          (fill (type none))
        )
      )
      (symbol "Q_Photo_NPN_1_1"
        (pin passive line (at 2.54 5.08 270) (length 2.54)
          (name "C" (effects (font (size 1.27 1.27))))
          (number "1" (effects (font (size 1.27 1.27))))
        )
        (pin passive line (at 2.54 -5.08 90) (length 2.54)
          (name "E" (effects (font (size 1.27 1.27))))
          (number "2" (effects (font (size 1.27 1.27))))
        )
      )
    )
    (symbol "Device:R" (pin_numbers hide) (pin_names (offset 0)) (in_bom yes) (on_board yes)
      (property "Reference" "R" (id 0) (at 2.032 0 90)
        (effects (font (size 1.27 1.27)))
      )
      (property "Value" "R" (id 1) (at 0 0 90)
        (effects (font (size 1.27 1.27)))
      )
      (property "Footprint" "" (id 2) (at -1.778 0 90)
        (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" "R res resistor" (id 4) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "Resistor" (id 5) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_fp_filters" "R_*" (id 6) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "R_0_1"
        (rectangle (start -1.016 -2.54) (end 1.016 2.54)
          (stroke (width 0.254) (type default) (color 0 0 0 0))
          (fill (type none))
        )
      )
      (symbol "R_1_1"
        (pin passive line (at 0 3.81 270) (length 1.27)
          (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 1.27)
          (name "~" (effects (font (size 1.27 1.27))))
          (number "2" (effects (font (size 1.27 1.27))))
        )
      )
    )
    (symbol "power:+3.3V" (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" "+3.3V" (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 \"+3.3V\"" (id 5) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "+3.3V_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 "+3.3V_1_1"
        (pin power_in line (at 0 0 90) (length 0) hide
          (name "+3V3" (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 123.19 86.36) (diameter 0) (color 0 0 0 0)
    (uuid 86cbe837-42ed-4077-a19f-72dd31ba4407)
  )

  (wire (pts (xy 107.95 99.06) (xy 107.95 96.52))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 02e1eea2-6141-4975-a40b-237a7cd510e1)
  )
  (wire (pts (xy 147.32 88.9) (xy 147.32 90.17))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 08c483bd-c3c8-40ea-9665-3a1e8ab46a42)
  )
  (wire (pts (xy 107.95 77.47) (xy 107.95 71.12))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 3c2f55c3-e552-49e6-a345-d7b9fdb60171)
  )
  (wire (pts (xy 123.19 86.36) (xy 127 86.36))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 3dd58fe4-e298-4581-8c79-9dbd55f3ca5e)
  )
  (wire (pts (xy 107.95 85.09) (xy 107.95 88.9))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 4eeb2575-23b7-4f90-a021-f19e64810bef)
  )
  (wire (pts (xy 154.94 88.9) (xy 147.32 88.9))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 588c1e41-6e7d-4663-9833-3ee3d386ce28)
  )
  (wire (pts (xy 123.19 85.09) (xy 123.19 86.36))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 58ca3565-e548-48c8-8f20-79d267753b60)
  )
  (wire (pts (xy 123.19 97.79) (xy 123.19 101.6))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 66f7278d-9166-450e-85a4-99ad54275601)
  )
  (wire (pts (xy 123.19 86.36) (xy 123.19 87.63))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 8b85b95e-35ea-4365-9fe3-93ce7e96032f)
  )
  (wire (pts (xy 123.19 71.12) (xy 123.19 77.47))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 8bad04db-360d-4e9a-872f-03ee1c4cde9a)
  )
  (wire (pts (xy 148.59 83.82) (xy 154.94 83.82))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 9fb2b509-9407-40e2-8c14-766d4d9d74fd)
  )
  (wire (pts (xy 148.59 86.36) (xy 154.94 86.36))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid b89f6d5a-b7ad-4df4-b119-278ec75a8485)
  )
  (wire (pts (xy 149.86 81.28) (xy 154.94 81.28))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid ebe9e3f9-25f9-4b2f-801a-9ccf2857ef14)
  )

  (global_label "RXD" (shape input) (at 127 86.36 0) (fields_autoplaced)
    (effects (font (size 1.27 1.27)) (justify left))
    (uuid 5ceca855-608f-4200-94f3-c97d4e54770d)
    (property "Intersheet References" "${INTERSHEET_REFS}" (id 0) (at 133.1626 86.2806 0)
      (effects (font (size 1.27 1.27)) (justify left) hide)
    )
  )
  (global_label "RXD" (shape input) (at 148.59 86.36 180) (fields_autoplaced)
    (effects (font (size 1.27 1.27)) (justify right))
    (uuid 7fe252a5-5673-444a-a6d7-244525457a21)
    (property "Intersheet References" "${INTERSHEET_REFS}" (id 0) (at 142.4274 86.2806 0)
      (effects (font (size 1.27 1.27)) (justify right) hide)
    )
  )
  (global_label "TXD" (shape input) (at 148.59 83.82 180) (fields_autoplaced)
    (effects (font (size 1.27 1.27)) (justify right))
    (uuid a5fd2ef1-c1e8-4648-8992-4ec1682f2c67)
    (property "Intersheet References" "${INTERSHEET_REFS}" (id 0) (at 142.7298 83.7406 0)
      (effects (font (size 1.27 1.27)) (justify right) hide)
    )
  )
  (global_label "TXD" (shape input) (at 107.95 99.06 270) (fields_autoplaced)
    (effects (font (size 1.27 1.27)) (justify right))
    (uuid d2a63e12-12b5-48f5-b593-54d82c51e1b2)
    (property "Intersheet References" "${INTERSHEET_REFS}" (id 0) (at 108.0294 104.9202 90)
      (effects (font (size 1.27 1.27)) (justify right) hide)
    )
  )

  (symbol (lib_id "Connector:Conn_01x04_Male") (at 160.02 86.36 180) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (uuid 195e4170-a623-4614-a488-a41ba6c02605)
    (property "Reference" "J1" (id 0) (at 161.29 83.8199 0)
      (effects (font (size 1.27 1.27)) (justify right))
    )
    (property "Value" "Conn_01x04_Male" (id 1) (at 161.29 86.3599 0)
      (effects (font (size 1.27 1.27)) (justify right))
    )
    (property "Footprint" "Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical" (id 2) (at 160.02 86.36 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (id 3) (at 160.02 86.36 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 05acc812-ebc1-42c8-b8ec-3980581b2781))
    (pin "2" (uuid 75cc9cb5-bd03-4ad9-bb99-9b71e3501a51))
    (pin "3" (uuid e891e0d4-531b-4840-a04b-a6b5866426dd))
    (pin "4" (uuid 1ce7a637-9db2-4b51-b162-f8f2d3954710))
  )

  (symbol (lib_id "Device:Q_Photo_NPN") (at 120.65 92.71 0) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (uuid 198a2a45-a86c-4371-8a75-c6e4c84fad3d)
    (property "Reference" "Q1" (id 0) (at 125.73 90.6906 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Value" "PT42-21B" (id 1) (at 125.73 93.2306 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Footprint" "LED_SMD:LED_1210_3225Metric" (id 2) (at 125.73 90.17 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "https://file.elecfans.com/web1/M00/89/BA/o4YBAFyLcj2ANG79AAKLUZwjxZk390.pdf?filename=PT42-21B-TR8.pdf" (id 3) (at 120.65 92.71 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "LCSC" "C131199" (id 4) (at 120.65 92.71 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 31f4dc6c-dde9-45e8-b29d-489d35e0f1d0))
    (pin "2" (uuid a9d66172-b21f-445f-bff6-1303cec8590d))
  )

  (symbol (lib_id "power:+3.3V") (at 149.86 81.28 90) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (uuid 3317fe4b-f0fe-48e9-953f-e7189042daa0)
    (property "Reference" "#PWR0101" (id 0) (at 153.67 81.28 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "+3.3V" (id 1) (at 146.05 81.2799 90)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Footprint" "" (id 2) (at 149.86 81.28 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (id 3) (at 149.86 81.28 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid c4da6f29-9df1-4250-bd6a-eaf30d6a0c29))
  )

  (symbol (lib_id "Device:R") (at 107.95 92.71 180) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (uuid 42116bfd-457d-4593-ac30-a7ae4508e2ee)
    (property "Reference" "R1" (id 0) (at 105.41 93.9801 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Value" "22R" (id 1) (at 105.41 91.4401 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Footprint" "Resistor_SMD:R_0603_1608Metric" (id 2) (at 109.728 92.71 90)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (id 3) (at 107.95 92.71 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "LCSC" "C23345" (id 4) (at 107.95 92.71 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 010c43a2-732c-48b0-bbc7-9b5dac471893))
    (pin "2" (uuid 53a6249a-2895-4514-93d3-6e61542c69fb))
  )

  (symbol (lib_id "Device:R") (at 123.19 81.28 180) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (uuid 700c69dc-6ed3-40ed-ad9c-7efb2c64ff49)
    (property "Reference" "R2" (id 0) (at 125.73 80.0099 0)
      (effects (font (size 1.27 1.27)) (justify right))
    )
    (property "Value" "1k8" (id 1) (at 125.73 82.5499 0)
      (effects (font (size 1.27 1.27)) (justify right))
    )
    (property "Footprint" "Resistor_SMD:R_0603_1608Metric" (id 2) (at 124.968 81.28 90)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (id 3) (at 123.19 81.28 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "LCSC" "C4177" (id 4) (at 123.19 81.28 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid bcebf495-b818-4816-942c-9ed831082907))
    (pin "2" (uuid cae0343e-9397-48ef-abec-5a67b2cbee95))
  )

  (symbol (lib_id "Device:LED") (at 107.95 81.28 90) (unit 1)
    (in_bom yes) (on_board yes)
    (uuid be4b72db-0e02-4d9b-844a-aff689b4e648)
    (property "Reference" "D1" (id 0) (at 102.87 81.28 90)
      (effects (font (size 1.27 1.27)) (justify right))
    )
    (property "Value" "IR42-21C" (id 1) (at 96.52 83.82 90)
      (effects (font (size 1.27 1.27)) (justify right))
    )
    (property "Footprint" "LED_SMD:LED_1210_3225Metric" (id 2) (at 107.95 81.28 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "https://pdf.dzsc.com/IR4/IR42-21C.pdf" (id 3) (at 107.95 81.28 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "LCSC" "C131198" (id 4) (at 107.95 81.28 90)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 582622a2-fad4-4737-9a80-be9fffbba8ab))
    (pin "2" (uuid 1dfbf353-5b24-4c0f-8322-8fcd514ae75e))
  )

  (symbol (lib_id "power:GND") (at 147.32 90.17 0) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (uuid c0306822-8654-44d8-9a32-6bf0ff537ee4)
    (property "Reference" "#PWR?" (id 0) (at 147.32 96.52 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "GND" (id 1) (at 147.32 95.25 0))
    (property "Footprint" "" (id 2) (at 147.32 90.17 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (id 3) (at 147.32 90.17 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid b921f2b2-54c3-4c0d-9f70-641897ea6142))
  )

  (symbol (lib_id "power:+3.3V") (at 107.95 71.12 0) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (uuid c917043a-0797-4f8f-af3d-3fed93ff6df3)
    (property "Reference" "#PWR0103" (id 0) (at 107.95 74.93 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "+3.3V" (id 1) (at 107.95 66.04 0))
    (property "Footprint" "" (id 2) (at 107.95 71.12 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (id 3) (at 107.95 71.12 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid cf7b517f-4ce0-40c2-931c-2f54db43b0bf))
  )

  (symbol (lib_id "power:+3.3V") (at 123.19 71.12 0) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (uuid d4a29348-d493-4924-894f-81676203cdc1)
    (property "Reference" "#PWR0104" (id 0) (at 123.19 74.93 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "+3.3V" (id 1) (at 123.19 66.04 0))
    (property "Footprint" "" (id 2) (at 123.19 71.12 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (id 3) (at 123.19 71.12 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 28b0e3e0-f9ad-4c5a-8737-e367b5123e13))
  )

  (symbol (lib_id "power:GND") (at 123.19 101.6 0) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (uuid f1a29b82-192c-4de7-a23b-43420d01f97d)
    (property "Reference" "#PWR0102" (id 0) (at 123.19 107.95 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "GND" (id 1) (at 123.19 106.68 0))
    (property "Footprint" "" (id 2) (at 123.19 101.6 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (id 3) (at 123.19 101.6 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 61d94332-0639-4424-8336-c9d6898c23db))
  )

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

  (symbol_instances
    (path "/3317fe4b-f0fe-48e9-953f-e7189042daa0"
      (reference "#PWR0101") (unit 1) (value "+3.3V") (footprint "")
    )
    (path "/f1a29b82-192c-4de7-a23b-43420d01f97d"
      (reference "#PWR0102") (unit 1) (value "GND") (footprint "")
    )
    (path "/c917043a-0797-4f8f-af3d-3fed93ff6df3"
      (reference "#PWR0103") (unit 1) (value "+3.3V") (footprint "")
    )
    (path "/d4a29348-d493-4924-894f-81676203cdc1"
      (reference "#PWR0104") (unit 1) (value "+3.3V") (footprint "")
    )
    (path "/c0306822-8654-44d8-9a32-6bf0ff537ee4"
      (reference "#PWR?") (unit 1) (value "GND") (footprint "")
    )
    (path "/be4b72db-0e02-4d9b-844a-aff689b4e648"
      (reference "D1") (unit 1) (value "IR42-21C") (footprint "LED_SMD:LED_1210_3225Metric")
    )
    (path "/195e4170-a623-4614-a488-a41ba6c02605"
      (reference "J1") (unit 1) (value "Conn_01x04_Male") (footprint "Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical")
    )
    (path "/198a2a45-a86c-4371-8a75-c6e4c84fad3d"
      (reference "Q1") (unit 1) (value "PT42-21B") (footprint "LED_SMD:LED_1210_3225Metric")
    )
    (path "/42116bfd-457d-4593-ac30-a7ae4508e2ee"
      (reference "R1") (unit 1) (value "22R") (footprint "Resistor_SMD:R_0603_1608Metric")
    )
    (path "/700c69dc-6ed3-40ed-ad9c-7efb2c64ff49"
      (reference "R2") (unit 1) (value "1k8") (footprint "Resistor_SMD:R_0603_1608Metric")
    )
  )
)