(kicad_sch (version 20211123) (generator eeschema)

  (uuid a3c7a0be-f018-44c9-b3c2-73fbc0d13b4a)

  (paper "A4")

  (title_block
    (title "LAPC-I Clone")
  )

  (lib_symbols
    (symbol "74xx:74LS05" (pin_names (offset 1.016)) (in_bom yes) (on_board yes)
      (property "Reference" "U" (id 0) (at 0 1.27 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Value" "74LS05" (id 1) (at 0 -1.27 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" "http://www.ti.com/lit/gpn/sn74LS05" (id 3) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_locked" "" (id 4) (at 0 0 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "ki_keywords" "TTL not inv OpenCol" (id 5) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "Inverter Open Collect" (id 6) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_fp_filters" "DIP*W7.62mm*" (id 7) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "74LS05_1_0"
        (polyline
          (pts
            (xy -3.81 3.81)
            (xy -3.81 -3.81)
            (xy 3.81 0)
            (xy -3.81 3.81)
          )
          (stroke (width 0.254) (type default) (color 0 0 0 0))
          (fill (type background))
        )
        (pin input line (at -7.62 0 0) (length 3.81)
          (name "~" (effects (font (size 1.27 1.27))))
          (number "1" (effects (font (size 1.27 1.27))))
        )
        (pin open_collector inverted (at 7.62 0 180) (length 3.81)
          (name "~" (effects (font (size 1.27 1.27))))
          (number "2" (effects (font (size 1.27 1.27))))
        )
      )
      (symbol "74LS05_2_0"
        (polyline
          (pts
            (xy -3.81 3.81)
            (xy -3.81 -3.81)
            (xy 3.81 0)
            (xy -3.81 3.81)
          )
          (stroke (width 0.254) (type default) (color 0 0 0 0))
          (fill (type background))
        )
        (pin input line (at -7.62 0 0) (length 3.81)
          (name "~" (effects (font (size 1.27 1.27))))
          (number "3" (effects (font (size 1.27 1.27))))
        )
        (pin open_collector inverted (at 7.62 0 180) (length 3.81)
          (name "~" (effects (font (size 1.27 1.27))))
          (number "4" (effects (font (size 1.27 1.27))))
        )
      )
      (symbol "74LS05_3_0"
        (polyline
          (pts
            (xy -3.81 3.81)
            (xy -3.81 -3.81)
            (xy 3.81 0)
            (xy -3.81 3.81)
          )
          (stroke (width 0.254) (type default) (color 0 0 0 0))
          (fill (type background))
        )
        (pin input line (at -7.62 0 0) (length 3.81)
          (name "~" (effects (font (size 1.27 1.27))))
          (number "5" (effects (font (size 1.27 1.27))))
        )
        (pin open_collector inverted (at 7.62 0 180) (length 3.81)
          (name "~" (effects (font (size 1.27 1.27))))
          (number "6" (effects (font (size 1.27 1.27))))
        )
      )
      (symbol "74LS05_4_0"
        (polyline
          (pts
            (xy -3.81 3.81)
            (xy -3.81 -3.81)
            (xy 3.81 0)
            (xy -3.81 3.81)
          )
          (stroke (width 0.254) (type default) (color 0 0 0 0))
          (fill (type background))
        )
        (pin open_collector inverted (at 7.62 0 180) (length 3.81)
          (name "~" (effects (font (size 1.27 1.27))))
          (number "8" (effects (font (size 1.27 1.27))))
        )
        (pin input line (at -7.62 0 0) (length 3.81)
          (name "~" (effects (font (size 1.27 1.27))))
          (number "9" (effects (font (size 1.27 1.27))))
        )
      )
      (symbol "74LS05_5_0"
        (polyline
          (pts
            (xy -3.81 3.81)
            (xy -3.81 -3.81)
            (xy 3.81 0)
            (xy -3.81 3.81)
          )
          (stroke (width 0.254) (type default) (color 0 0 0 0))
          (fill (type background))
        )
        (pin open_collector inverted (at 7.62 0 180) (length 3.81)
          (name "~" (effects (font (size 1.27 1.27))))
          (number "10" (effects (font (size 1.27 1.27))))
        )
        (pin input line (at -7.62 0 0) (length 3.81)
          (name "~" (effects (font (size 1.27 1.27))))
          (number "11" (effects (font (size 1.27 1.27))))
        )
      )
      (symbol "74LS05_6_0"
        (polyline
          (pts
            (xy -3.81 3.81)
            (xy -3.81 -3.81)
            (xy 3.81 0)
            (xy -3.81 3.81)
          )
          (stroke (width 0.254) (type default) (color 0 0 0 0))
          (fill (type background))
        )
        (pin open_collector inverted (at 7.62 0 180) (length 3.81)
          (name "~" (effects (font (size 1.27 1.27))))
          (number "12" (effects (font (size 1.27 1.27))))
        )
        (pin input line (at -7.62 0 0) (length 3.81)
          (name "~" (effects (font (size 1.27 1.27))))
          (number "13" (effects (font (size 1.27 1.27))))
        )
      )
      (symbol "74LS05_7_0"
        (pin power_in line (at 0 12.7 270) (length 5.08)
          (name "VCC" (effects (font (size 1.27 1.27))))
          (number "14" (effects (font (size 1.27 1.27))))
        )
        (pin power_in line (at 0 -12.7 90) (length 5.08)
          (name "GND" (effects (font (size 1.27 1.27))))
          (number "7" (effects (font (size 1.27 1.27))))
        )
      )
      (symbol "74LS05_7_1"
        (rectangle (start -5.08 7.62) (end 5.08 -7.62)
          (stroke (width 0.254) (type default) (color 0 0 0 0))
          (fill (type background))
        )
      )
    )
    (symbol "Device:C_Small" (pin_numbers hide) (pin_names (offset 0.254) hide) (in_bom yes) (on_board yes)
      (property "Reference" "C" (id 0) (at 0.254 1.778 0)
        (effects (font (size 1.27 1.27)) (justify left))
      )
      (property "Value" "C_Small" (id 1) (at 0.254 -2.032 0)
        (effects (font (size 1.27 1.27)) (justify left))
      )
      (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" "capacitor cap" (id 4) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "Unpolarized capacitor, small symbol" (id 5) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_fp_filters" "C_*" (id 6) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "C_Small_0_1"
        (polyline
          (pts
            (xy -1.524 -0.508)
            (xy 1.524 -0.508)
          )
          (stroke (width 0.3302) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -1.524 0.508)
            (xy 1.524 0.508)
          )
          (stroke (width 0.3048) (type default) (color 0 0 0 0))
          (fill (type none))
        )
      )
      (symbol "C_Small_1_1"
        (pin passive line (at 0 2.54 270) (length 2.032)
          (name "~" (effects (font (size 1.27 1.27))))
          (number "1" (effects (font (size 1.27 1.27))))
        )
        (pin passive line (at 0 -2.54 90) (length 2.032)
          (name "~" (effects (font (size 1.27 1.27))))
          (number "2" (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:R_Small" (pin_numbers hide) (pin_names (offset 0.254) hide) (in_bom yes) (on_board yes)
      (property "Reference" "R" (id 0) (at 0.762 0.508 0)
        (effects (font (size 1.27 1.27)) (justify left))
      )
      (property "Value" "R_Small" (id 1) (at 0.762 -1.016 0)
        (effects (font (size 1.27 1.27)) (justify left))
      )
      (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" "R resistor" (id 4) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "Resistor, small symbol" (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_Small_0_1"
        (rectangle (start -0.762 1.778) (end 0.762 -1.778)
          (stroke (width 0.2032) (type default) (color 0 0 0 0))
          (fill (type none))
        )
      )
      (symbol "R_Small_1_1"
        (pin passive line (at 0 2.54 270) (length 0.762)
          (name "~" (effects (font (size 1.27 1.27))))
          (number "1" (effects (font (size 1.27 1.27))))
        )
        (pin passive line (at 0 -2.54 90) (length 0.762)
          (name "~" (effects (font (size 1.27 1.27))))
          (number "2" (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:GNDD" (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" "GNDD" (id 1) (at 0 -3.175 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 \"GNDD\" , digital ground" (id 5) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "GNDD_0_1"
        (rectangle (start -1.27 -1.524) (end 1.27 -2.032)
          (stroke (width 0.254) (type default) (color 0 0 0 0))
          (fill (type outline))
        )
        (polyline
          (pts
            (xy 0 0)
            (xy 0 -1.524)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
      )
      (symbol "GNDD_1_1"
        (pin power_in line (at 0 0 270) (length 0) hide
          (name "GNDD" (effects (font (size 1.27 1.27))))
          (number "1" (effects (font (size 1.27 1.27))))
        )
      )
    )
  )

  (junction (at 77.47 35.56) (diameter 0) (color 0 0 0 0)
    (uuid b52fd3a8-77a9-486e-9d72-e8640bb775c2)
  )

  (wire (pts (xy 77.47 30.48) (xy 77.47 35.56))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 21b4b02d-73c0-4ae0-b147-e60dae395da4)
  )
  (wire (pts (xy 77.47 35.56) (xy 77.47 39.37))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 45a58a3c-0ae3-4319-9136-f718ae1af278)
  )
  (wire (pts (xy 60.96 35.56) (xy 64.77 35.56))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 68d357fe-ef13-4a8c-b5b7-37c38f47c25e)
  )
  (wire (pts (xy 52.07 35.56) (xy 55.88 35.56))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 79554df7-9d43-44f1-8fa6-0ceeb5d746bd)
  )
  (wire (pts (xy 31.75 35.56) (xy 36.83 35.56))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 7e56433f-8047-4182-a23d-dde6a3760eda)
  )
  (wire (pts (xy 72.39 35.56) (xy 77.47 35.56))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid c14e0e25-addb-4acf-be94-fc826be74200)
  )
  (wire (pts (xy 77.47 44.45) (xy 77.47 48.26))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid fe6381fb-e684-46de-8891-ee7b19da70c7)
  )

  (global_label "LED" (shape input) (at 31.75 35.56 180) (fields_autoplaced)
    (effects (font (size 1.524 1.524)) (justify right))
    (uuid c2b59e2d-0fe7-43e7-af54-44a53e27c754)
    (property "Intersheet References" "${INTERSHEET_REFS}" (id 0) (at 0 0 0)
      (effects (font (size 1.27 1.27)) hide)
    )
  )

  (symbol (lib_id "Device:LED") (at 68.58 35.56 0) (mirror x) (unit 1)
    (in_bom yes) (on_board yes)
    (uuid 00000000-0000-0000-0000-00005b431ed0)
    (property "Reference" "LED1" (id 0) (at 68.58 38.1 0))
    (property "Value" "LED" (id 1) (at 68.58 33.02 0))
    (property "Footprint" "LED_THT:LED_D5.0mm" (id 2) (at 68.58 35.56 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (id 3) (at 68.58 35.56 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid d2f4535e-0c6a-4fbf-b5fd-29d59b7a624b))
    (pin "2" (uuid d603280a-3017-4b5d-a909-085173e8fe30))
  )

  (symbol (lib_id "Device:R_Small") (at 58.42 35.56 270) (unit 1)
    (in_bom yes) (on_board yes)
    (uuid 00000000-0000-0000-0000-00005b434bb3)
    (property "Reference" "R73" (id 0) (at 58.42 37.592 90))
    (property "Value" "560" (id 1) (at 58.42 39.37 90))
    (property "Footprint" "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" (id 2) (at 58.42 33.782 90)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (id 3) (at 58.42 35.56 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid add89482-b332-4e49-92b5-f7f6d35cd6e2))
    (pin "2" (uuid 2b02dcfa-1064-4ff3-b6ec-fc026e76d0aa))
  )

  (symbol (lib_id "Device:C_Small") (at 77.47 41.91 0) (unit 1)
    (in_bom yes) (on_board yes)
    (uuid 00000000-0000-0000-0000-00005b434d8f)
    (property "Reference" "C94" (id 0) (at 78.105 39.37 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Value" "0.1" (id 1) (at 78.105 44.45 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Footprint" "Capacitor_THT:C_Disc_D6.0mm_W2.5mm_P5.00mm" (id 2) (at 78.4352 45.72 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (id 3) (at 77.47 41.91 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid ec770057-29ba-410a-9ac9-1ff38a45aa38))
    (pin "2" (uuid cd45f68f-6824-438e-91c5-db06a4a986ef))
  )

  (symbol (lib_id "power:GNDD") (at 77.47 48.26 0) (unit 1)
    (in_bom yes) (on_board yes)
    (uuid 00000000-0000-0000-0000-00005b43541d)
    (property "Reference" "#PWR0237" (id 0) (at 77.47 54.61 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "GNDD" (id 1) (at 77.47 51.435 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 701592bf-8595-4a61-8860-22e90406b337))
  )

  (symbol (lib_id "power:+5V") (at 77.47 30.48 0) (unit 1)
    (in_bom yes) (on_board yes)
    (uuid 00000000-0000-0000-0000-00005b4590d3)
    (property "Reference" "#PWR0252" (id 0) (at 77.47 34.29 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "+5V" (id 1) (at 77.47 26.924 0))
    (property "Footprint" "" (id 2) (at 77.47 30.48 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (id 3) (at 77.47 30.48 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 328e2515-4e56-40fa-b869-71d9d148e804))
  )

  (symbol (lib_id "74xx:74LS05") (at 44.45 35.56 0) (unit 6)
    (in_bom yes) (on_board yes)
    (uuid 00000000-0000-0000-0000-000060ae2133)
    (property "Reference" "IC2" (id 0) (at 44.45 27.5082 0))
    (property "Value" "74LS05" (id 1) (at 44.45 29.8196 0))
    (property "Footprint" "Package_DIP:DIP-14_W7.62mm" (id 2) (at 44.45 35.56 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "http://www.ti.com/lit/gpn/sn74LS05" (id 3) (at 44.45 35.56 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "12" (uuid 15a6a06d-45e2-4399-a9ed-d094b085d303))
    (pin "13" (uuid 19155113-3137-453b-8475-d432a2190460))
  )
)