(kicad_sch (version 20211123) (generator eeschema)

  (uuid c774fcd8-2321-49e3-82b6-f080291ee83c)

  (paper "A4")

  (lib_symbols
    (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 "Isolator:PC817" (pin_names (offset 1.016)) (in_bom yes) (on_board yes)
      (property "Reference" "U" (id 0) (at -5.08 5.08 0)
        (effects (font (size 1.27 1.27)) (justify left))
      )
      (property "Value" "PC817" (id 1) (at 0 5.08 0)
        (effects (font (size 1.27 1.27)) (justify left))
      )
      (property "Footprint" "Package_DIP:DIP-4_W7.62mm" (id 2) (at -5.08 -5.08 0)
        (effects (font (size 1.27 1.27) italic) (justify left) hide)
      )
      (property "Datasheet" "http://www.soselectronic.cz/a_info/resource/d/pc817.pdf" (id 3) (at 0 0 0)
        (effects (font (size 1.27 1.27)) (justify left) hide)
      )
      (property "ki_keywords" "NPN DC Optocoupler" (id 4) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "DC Optocoupler, Vce 35V, CTR 50-300%, DIP-4" (id 5) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_fp_filters" "DIP*W7.62mm*" (id 6) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "PC817_0_1"
        (rectangle (start -5.08 3.81) (end 5.08 -3.81)
          (stroke (width 0.254) (type default) (color 0 0 0 0))
          (fill (type background))
        )
        (polyline
          (pts
            (xy -3.175 -0.635)
            (xy -1.905 -0.635)
          )
          (stroke (width 0.254) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 2.54 0.635)
            (xy 4.445 2.54)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 4.445 -2.54)
            (xy 2.54 -0.635)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type outline))
        )
        (polyline
          (pts
            (xy 4.445 -2.54)
            (xy 5.08 -2.54)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 4.445 2.54)
            (xy 5.08 2.54)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -5.08 2.54)
            (xy -2.54 2.54)
            (xy -2.54 -0.635)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -2.54 -0.635)
            (xy -2.54 -2.54)
            (xy -5.08 -2.54)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 2.54 1.905)
            (xy 2.54 -1.905)
            (xy 2.54 -1.905)
          )
          (stroke (width 0.508) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -2.54 -0.635)
            (xy -3.175 0.635)
            (xy -1.905 0.635)
            (xy -2.54 -0.635)
          )
          (stroke (width 0.254) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -0.508 -0.508)
            (xy 0.762 -0.508)
            (xy 0.381 -0.635)
            (xy 0.381 -0.381)
            (xy 0.762 -0.508)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -0.508 0.508)
            (xy 0.762 0.508)
            (xy 0.381 0.381)
            (xy 0.381 0.635)
            (xy 0.762 0.508)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 3.048 -1.651)
            (xy 3.556 -1.143)
            (xy 4.064 -2.159)
            (xy 3.048 -1.651)
            (xy 3.048 -1.651)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type outline))
        )
      )
      (symbol "PC817_1_1"
        (pin passive line (at -7.62 2.54 0) (length 2.54)
          (name "~" (effects (font (size 1.27 1.27))))
          (number "1" (effects (font (size 1.27 1.27))))
        )
        (pin passive line (at -7.62 -2.54 0) (length 2.54)
          (name "~" (effects (font (size 1.27 1.27))))
          (number "2" (effects (font (size 1.27 1.27))))
        )
        (pin passive line (at 7.62 -2.54 180) (length 2.54)
          (name "~" (effects (font (size 1.27 1.27))))
          (number "3" (effects (font (size 1.27 1.27))))
        )
        (pin passive line (at 7.62 2.54 180) (length 2.54)
          (name "~" (effects (font (size 1.27 1.27))))
          (number "4" (effects (font (size 1.27 1.27))))
        )
      )
    )
  )


  (wire (pts (xy 129.413 54.229) (xy 124.46 54.229))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 2f25ebff-821d-424a-a5e6-7aaeb1db0afa)
  )
  (wire (pts (xy 124.46 59.309) (xy 129.286 59.309))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid f4fc9d10-1e63-4e24-a02b-556e4b39b19c)
  )

  (hierarchical_label "EXT5V" (shape input) (at 109.22 46.609 0)
    (effects (font (size 1.27 1.27)) (justify left))
    (uuid 0b20c453-dee8-4cc6-90fe-d346e6222768)
  )
  (hierarchical_label "In" (shape input) (at 129.413 54.229 0)
    (effects (font (size 1.27 1.27)) (justify left))
    (uuid 8e6bd8d7-45cc-4e50-9857-61670736c481)
  )
  (hierarchical_label "gnd" (shape input) (at 129.286 59.309 0)
    (effects (font (size 1.27 1.27)) (justify left))
    (uuid ab6c4d70-58f2-4e0b-88e2-6f2d9aeddb16)
  )
  (hierarchical_label "EXTi" (shape input) (at 109.22 59.309 180)
    (effects (font (size 1.27 1.27)) (justify right))
    (uuid c868a95d-cc21-426a-9cfd-3f9543b753be)
  )

  (symbol (lib_id "Device:R") (at 109.22 50.419 0) (unit 1)
    (in_bom yes) (on_board yes)
    (uuid 09735fc2-1580-4524-a728-ca09449b348a)
    (property "Reference" "R31" (id 0) (at 110.998 49.5843 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Value" "360" (id 1) (at 109.093 51.943 90)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Footprint" "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" (id 2) (at 107.442 50.419 90)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (id 3) (at 109.22 50.419 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid d8e2831f-0444-4eb0-a255-0be00f3eb495))
    (pin "2" (uuid 450e036f-cbf0-46f9-86d8-88929d707ae4))
  )

  (symbol (lib_id "Isolator:PC817") (at 116.84 56.769 0) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (uuid 400c154c-5d09-4b90-bd4d-4cdbee68e158)
    (property "Reference" "U11" (id 0) (at 116.84 49.2592 0))
    (property "Value" "PC817" (id 1) (at 116.84 51.7961 0))
    (property "Footprint" "Package_DIP:DIP-4_W7.62mm" (id 2) (at 111.76 61.849 0)
      (effects (font (size 1.27 1.27) italic) (justify left) hide)
    )
    (property "Datasheet" "http://www.soselectronic.cz/a_info/resource/d/pc817.pdf" (id 3) (at 116.84 56.769 0)
      (effects (font (size 1.27 1.27)) (justify left) hide)
    )
    (pin "1" (uuid 91cf025a-067c-492c-bcee-1aa442b5190b))
    (pin "2" (uuid 92a29dae-4114-4ac4-b292-3f9303033fe3))
    (pin "3" (uuid 22931c93-52d3-4f9e-a51a-72db694a5d75))
    (pin "4" (uuid 493f9777-02f4-4e33-a6e5-ec3981392cf3))
  )
)