(kicad_sch (version 20211123) (generator eeschema)

  (uuid 8b65f3fd-1fb2-41f1-94ba-b78bbaa624e1)

  (paper "A4")

  (lib_symbols
    (symbol "Device:Battery" (pin_numbers hide) (pin_names (offset 0) hide) (in_bom yes) (on_board yes)
      (property "Reference" "BT" (id 0) (at 2.54 2.54 0)
        (effects (font (size 1.27 1.27)) (justify left))
      )
      (property "Value" "Battery" (id 1) (at 2.54 0 0)
        (effects (font (size 1.27 1.27)) (justify left))
      )
      (property "Footprint" "" (id 2) (at 0 1.524 90)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "Datasheet" "~" (id 3) (at 0 1.524 90)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_keywords" "batt voltage-source cell" (id 4) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "Multiple-cell battery" (id 5) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "Battery_0_1"
        (rectangle (start -2.032 -1.397) (end 2.032 -1.651)
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type outline))
        )
        (rectangle (start -2.032 1.778) (end 2.032 1.524)
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type outline))
        )
        (rectangle (start -1.3208 -1.9812) (end 1.27 -2.4892)
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type outline))
        )
        (rectangle (start -1.3208 1.1938) (end 1.27 0.6858)
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type outline))
        )
        (polyline
          (pts
            (xy 0 -1.524)
            (xy 0 -1.27)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 -1.016)
            (xy 0 -0.762)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 -0.508)
            (xy 0 -0.254)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 0)
            (xy 0 0.254)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 0.508)
            (xy 0 0.762)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 1.778)
            (xy 0 2.54)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0.254 2.667)
            (xy 1.27 2.667)
          )
          (stroke (width 0.254) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0.762 3.175)
            (xy 0.762 2.159)
          )
          (stroke (width 0.254) (type default) (color 0 0 0 0))
          (fill (type none))
        )
      )
      (symbol "Battery_1_1"
        (pin passive line (at 0 5.08 270) (length 2.54)
          (name "+" (effects (font (size 1.27 1.27))))
          (number "1" (effects (font (size 1.27 1.27))))
        )
        (pin passive line (at 0 -5.08 90) (length 2.54)
          (name "-" (effects (font (size 1.27 1.27))))
          (number "2" (effects (font (size 1.27 1.27))))
        )
      )
    )
    (symbol "Device:C" (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" (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" "Unpolarized capacitor" (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_0_1"
        (polyline
          (pts
            (xy -2.032 -0.762)
            (xy 2.032 -0.762)
          )
          (stroke (width 0.508) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -2.032 0.762)
            (xy 2.032 0.762)
          )
          (stroke (width 0.508) (type default) (color 0 0 0 0))
          (fill (type none))
        )
      )
      (symbol "C_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: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: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" (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 "Device:R_Potentiometer" (pin_names (offset 1.016) hide) (in_bom yes) (on_board yes)
      (property "Reference" "RV" (id 0) (at -4.445 0 90)
        (effects (font (size 1.27 1.27)))
      )
      (property "Value" "R_Potentiometer" (id 1) (at -2.54 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" "resistor variable" (id 4) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "Potentiometer" (id 5) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_fp_filters" "Potentiometer*" (id 6) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "R_Potentiometer_0_1"
        (polyline
          (pts
            (xy 2.54 0)
            (xy 1.524 0)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 1.143 0)
            (xy 2.286 0.508)
            (xy 2.286 -0.508)
            (xy 1.143 0)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type outline))
        )
        (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_Potentiometer_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 3.81 0 180) (length 1.27)
          (name "2" (effects (font (size 1.27 1.27))))
          (number "2" (effects (font (size 1.27 1.27))))
        )
        (pin passive line (at 0 -3.81 90) (length 1.27)
          (name "3" (effects (font (size 1.27 1.27))))
          (number "3" (effects (font (size 1.27 1.27))))
        )
      )
    )
    (symbol "Device:Speaker" (pin_names (offset 0) hide) (in_bom yes) (on_board yes)
      (property "Reference" "LS" (id 0) (at 1.27 5.715 0)
        (effects (font (size 1.27 1.27)) (justify right))
      )
      (property "Value" "Speaker" (id 1) (at 1.27 3.81 0)
        (effects (font (size 1.27 1.27)) (justify right))
      )
      (property "Footprint" "" (id 2) (at 0 -5.08 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "Datasheet" "~" (id 3) (at -0.254 -1.27 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_keywords" "speaker sound" (id 4) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "Speaker" (id 5) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "Speaker_0_0"
        (rectangle (start -2.54 1.27) (end 1.016 -3.81)
          (stroke (width 0.254) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 1.016 1.27)
            (xy 3.556 3.81)
            (xy 3.556 -6.35)
            (xy 1.016 -3.81)
          )
          (stroke (width 0.254) (type default) (color 0 0 0 0))
          (fill (type none))
        )
      )
      (symbol "Speaker_1_1"
        (pin input line (at -5.08 0 0) (length 2.54)
          (name "1" (effects (font (size 1.27 1.27))))
          (number "1" (effects (font (size 1.27 1.27))))
        )
        (pin input line (at -5.08 -2.54 0) (length 2.54)
          (name "2" (effects (font (size 1.27 1.27))))
          (number "2" (effects (font (size 1.27 1.27))))
        )
      )
    )
    (symbol "Switch:SW_SPST" (pin_names (offset 0) hide) (in_bom yes) (on_board yes)
      (property "Reference" "SW" (id 0) (at 0 3.175 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Value" "SW_SPST" (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" "switch lever" (id 4) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "Single Pole Single Throw (SPST) switch" (id 5) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "SW_SPST_0_0"
        (circle (center -2.032 0) (radius 0.508)
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -1.524 0.254)
            (xy 1.524 1.778)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (circle (center 2.032 0) (radius 0.508)
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
      )
      (symbol "SW_SPST_1_1"
        (pin passive line (at -5.08 0 0) (length 2.54)
          (name "A" (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 2.54)
          (name "B" (effects (font (size 1.27 1.27))))
          (number "2" (effects (font (size 1.27 1.27))))
        )
      )
    )
    (symbol "Timer:LM556" (in_bom yes) (on_board yes)
      (property "Reference" "U" (id 0) (at -10.16 8.89 0)
        (effects (font (size 1.27 1.27)) (justify left))
      )
      (property "Value" "LM556" (id 1) (at -10.16 -8.89 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" "http://www.ti.com/lit/ds/symlink/lm556.pdf" (id 3) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_keywords" "dual timer" (id 4) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "Dual Timer, DIP-14/SOIC-14" (id 5) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_fp_filters" "DIP*W7.62mm* TSSOP*5.3x6.2mm*P0.65mm* SOIC*3.9x8.7mm*P1.27mm*" (id 6) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "LM556_0_0"
        (pin power_in line (at 0 10.16 270) (length 2.54)
          (name "VCC" (effects (font (size 1.27 1.27))))
          (number "14" (effects (font (size 1.27 1.27))))
        )
        (pin power_in line (at 0 -10.16 90) (length 2.54)
          (name "GND" (effects (font (size 1.27 1.27))))
          (number "7" (effects (font (size 1.27 1.27))))
        )
      )
      (symbol "LM556_0_1"
        (rectangle (start -8.89 -7.62) (end 8.89 7.62)
          (stroke (width 0.254) (type default) (color 0 0 0 0))
          (fill (type background))
        )
        (rectangle (start -8.89 -7.62) (end 8.89 7.62)
          (stroke (width 0.254) (type default) (color 0 0 0 0))
          (fill (type background))
        )
      )
      (symbol "LM556_1_1"
        (pin input line (at 12.7 0 180) (length 3.81)
          (name "DIS" (effects (font (size 1.27 1.27))))
          (number "1" (effects (font (size 1.27 1.27))))
        )
        (pin input line (at 12.7 -5.08 180) (length 3.81)
          (name "THR" (effects (font (size 1.27 1.27))))
          (number "2" (effects (font (size 1.27 1.27))))
        )
        (pin input line (at -12.7 0 0) (length 3.81)
          (name "CV" (effects (font (size 1.27 1.27))))
          (number "3" (effects (font (size 1.27 1.27))))
        )
        (pin input inverted (at -12.7 -5.08 0) (length 3.81)
          (name "R" (effects (font (size 1.27 1.27))))
          (number "4" (effects (font (size 1.27 1.27))))
        )
        (pin output line (at 12.7 5.08 180) (length 3.81)
          (name "Q" (effects (font (size 1.27 1.27))))
          (number "5" (effects (font (size 1.27 1.27))))
        )
        (pin input line (at -12.7 5.08 0) (length 3.81)
          (name "TR" (effects (font (size 1.27 1.27))))
          (number "6" (effects (font (size 1.27 1.27))))
        )
      )
      (symbol "LM556_2_1"
        (pin input inverted (at -12.7 -5.08 0) (length 3.81)
          (name "R" (effects (font (size 1.27 1.27))))
          (number "10" (effects (font (size 1.27 1.27))))
        )
        (pin input line (at -12.7 0 0) (length 3.81)
          (name "CV" (effects (font (size 1.27 1.27))))
          (number "11" (effects (font (size 1.27 1.27))))
        )
        (pin input line (at 12.7 -5.08 180) (length 3.81)
          (name "THR" (effects (font (size 1.27 1.27))))
          (number "12" (effects (font (size 1.27 1.27))))
        )
        (pin input line (at 12.7 0 180) (length 3.81)
          (name "DIS" (effects (font (size 1.27 1.27))))
          (number "13" (effects (font (size 1.27 1.27))))
        )
        (pin input line (at -12.7 5.08 0) (length 3.81)
          (name "TR" (effects (font (size 1.27 1.27))))
          (number "8" (effects (font (size 1.27 1.27))))
        )
        (pin output line (at 12.7 5.08 180) (length 3.81)
          (name "Q" (effects (font (size 1.27 1.27))))
          (number "9" (effects (font (size 1.27 1.27))))
        )
      )
    )
  )

  (junction (at 95.25 62.23) (diameter 0) (color 0 0 0 0)
    (uuid 0a598c51-5b5d-464a-b3e4-a6d3847d88f9)
  )
  (junction (at 118.11 29.21) (diameter 0) (color 0 0 0 0)
    (uuid 25b1dc5e-6a5e-4406-bb74-96347ed58fec)
  )
  (junction (at 158.75 62.23) (diameter 0) (color 0 0 0 0)
    (uuid 44aa3c96-93f9-4139-a36a-693490faa6fb)
  )
  (junction (at 80.01 29.21) (diameter 0) (color 0 0 0 0)
    (uuid 5443a980-9455-4d73-8740-f6c75ccd8d2b)
  )
  (junction (at 46.99 29.21) (diameter 0) (color 0 0 0 0)
    (uuid 6085f9ac-1c47-48c9-b832-ddac27026ac8)
  )
  (junction (at 138.43 29.21) (diameter 0) (color 0 0 0 0)
    (uuid 76765d1b-00b9-4641-8915-bad3e6b5bf18)
  )
  (junction (at 158.75 29.21) (diameter 0) (color 0 0 0 0)
    (uuid 8de00941-41be-44e8-a832-9551bd3e94a2)
  )
  (junction (at 102.87 57.15) (diameter 0) (color 0 0 0 0)
    (uuid 8e3b3ce0-dc00-4b31-a3af-0e6ea5f446e6)
  )
  (junction (at 102.87 29.21) (diameter 0) (color 0 0 0 0)
    (uuid 92a76237-0b7a-4160-9761-7f88d3fb7b4c)
  )
  (junction (at 158.75 82.55) (diameter 0) (color 0 0 0 0)
    (uuid 963f4c03-9e73-4e40-bf49-70a36c302901)
  )
  (junction (at 63.5 29.21) (diameter 0) (color 0 0 0 0)
    (uuid a0a29211-ea17-4baf-a29e-312b682685a9)
  )
  (junction (at 158.75 57.15) (diameter 0) (color 0 0 0 0)
    (uuid a3a820d9-d46c-462a-85d4-e6ea687f03ca)
  )
  (junction (at 109.22 29.21) (diameter 0) (color 0 0 0 0)
    (uuid a99993c2-b323-48bf-b2b8-b48f25b24ca5)
  )
  (junction (at 80.01 82.55) (diameter 0) (color 0 0 0 0)
    (uuid b7326f11-501c-4601-86aa-cafaaa90902a)
  )
  (junction (at 46.99 82.55) (diameter 0) (color 0 0 0 0)
    (uuid cbc9ebef-d4aa-48e6-907a-e9205e76c300)
  )
  (junction (at 57.15 72.39) (diameter 0) (color 0 0 0 0)
    (uuid cf9352c9-d204-422c-97f9-4c41bf7afb82)
  )
  (junction (at 57.15 82.55) (diameter 0) (color 0 0 0 0)
    (uuid d1b2bfbb-c05f-445f-b291-daaa6319ff5c)
  )
  (junction (at 138.43 82.55) (diameter 0) (color 0 0 0 0)
    (uuid fe6bab8e-3b33-43f1-bdb2-a602d23af7f5)
  )

  (wire (pts (xy 95.25 62.23) (xy 95.25 72.39))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 001e091f-daaf-437b-bb07-7d7920f3a7d4)
  )
  (wire (pts (xy 138.43 29.21) (xy 158.75 29.21))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 02f48f22-d4e2-4cb4-8346-03c2c9afc2c1)
  )
  (wire (pts (xy 118.11 29.21) (xy 138.43 29.21))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 07d59ed4-b40b-42d5-9f1e-74914e13568d)
  )
  (wire (pts (xy 102.87 50.8) (xy 102.87 57.15))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 08ca0a90-9358-47c2-a74f-9b858011bc86)
  )
  (wire (pts (xy 109.22 35.56) (xy 106.68 35.56))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 0d150d41-c6f3-4327-aae0-6354f542d613)
  )
  (wire (pts (xy 151.13 62.23) (xy 158.75 62.23))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 12296905-3d8c-4d1c-9e5c-b472d846911e)
  )
  (wire (pts (xy 80.01 67.31) (xy 80.01 82.55))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 1374d1d0-ec09-429b-94cc-2a898d5ee590)
  )
  (wire (pts (xy 29.21 82.55) (xy 46.99 82.55))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 144904ac-64be-4841-9f41-049635489d85)
  )
  (wire (pts (xy 165.1 35.56) (xy 162.56 35.56))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 19207635-7516-4116-b298-08e152f8161c)
  )
  (wire (pts (xy 102.87 29.21) (xy 102.87 31.75))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 19437e13-1603-4aa3-b6ba-8e681fb315a0)
  )
  (wire (pts (xy 109.22 62.23) (xy 105.41 62.23))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 1a343e27-1ded-42a7-9c16-a320568fc4c5)
  )
  (wire (pts (xy 195.58 54.61) (xy 195.58 82.55))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 1bcdd62b-82ae-4244-9328-7021dd1ae6ec)
  )
  (wire (pts (xy 67.31 62.23) (xy 63.5 62.23))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 2aaf5bfe-d1c3-416c-99b1-01749c5b8829)
  )
  (wire (pts (xy 63.5 29.21) (xy 46.99 29.21))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 3851d52f-23a1-4670-a99f-749fe582b6ac)
  )
  (wire (pts (xy 46.99 29.21) (xy 46.99 45.72))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 3b64e3be-cfcc-458e-8e69-b9e58ac948e7)
  )
  (wire (pts (xy 57.15 72.39) (xy 57.15 74.93))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 3bd08113-325d-4d59-b8b1-7863462d2f79)
  )
  (wire (pts (xy 118.11 29.21) (xy 109.22 29.21))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 3d2e6466-80f6-4e9f-b8f6-ffe0878dec78)
  )
  (wire (pts (xy 43.18 29.21) (xy 46.99 29.21))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 3e8d5282-a93d-437a-9202-41718783d234)
  )
  (wire (pts (xy 118.11 62.23) (xy 118.11 29.21))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 48e2c64a-aa1d-4ba5-9039-7ac67ef50d16)
  )
  (wire (pts (xy 158.75 29.21) (xy 165.1 29.21))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 4ecf091c-1a3d-4c5a-850f-c0a0f9d5bc0a)
  )
  (wire (pts (xy 92.71 62.23) (xy 95.25 62.23))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 4f623f27-f0e5-4eb2-b955-cf1137fef003)
  )
  (wire (pts (xy 109.22 57.15) (xy 109.22 62.23))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 50671790-d4d9-410d-b5b7-8a8b895b1cae)
  )
  (wire (pts (xy 138.43 67.31) (xy 138.43 82.55))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 565610da-8178-41f2-b8a3-3dcb3968ed1f)
  )
  (wire (pts (xy 158.75 62.23) (xy 158.75 71.12))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 5a397c49-9494-4167-b56d-61eeef96e9fe)
  )
  (wire (pts (xy 165.1 29.21) (xy 165.1 35.56))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 64128ac9-89e2-4bc5-9ee0-95f5b1d75501)
  )
  (wire (pts (xy 102.87 57.15) (xy 109.22 57.15))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 6684cef7-6669-4194-8507-5dd2c2a36b1f)
  )
  (wire (pts (xy 92.71 57.15) (xy 102.87 57.15))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 66c56ace-4259-4baa-b051-28ee06b18fc1)
  )
  (wire (pts (xy 63.5 29.21) (xy 80.01 29.21))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 67435192-4dc9-4b1c-96ff-d07ac4f505a8)
  )
  (wire (pts (xy 80.01 82.55) (xy 57.15 82.55))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 68b1726e-9bd9-41e9-8497-fdff931b1666)
  )
  (wire (pts (xy 92.71 52.07) (xy 125.73 52.07))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 6bfdcb21-d0d3-4756-b7a5-8eac8a9ac2de)
  )
  (wire (pts (xy 46.99 82.55) (xy 57.15 82.55))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 6d6acea6-92ac-4273-9f8d-393963267fb9)
  )
  (wire (pts (xy 80.01 29.21) (xy 102.87 29.21))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 6dbfe13d-7e64-4128-9ec3-b14333e1bf8d)
  )
  (wire (pts (xy 109.22 29.21) (xy 109.22 35.56))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 6dca9605-81e3-461d-89a7-98e492a294d9)
  )
  (wire (pts (xy 199.39 54.61) (xy 195.58 54.61))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 74a0e8bc-4d8b-4644-8dc6-9f3cff770a8e)
  )
  (wire (pts (xy 95.25 62.23) (xy 97.79 62.23))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 75885343-8947-43ea-9ae3-377ba0eb18fd)
  )
  (wire (pts (xy 109.22 29.21) (xy 102.87 29.21))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 7ce4c1f4-c02e-4fcc-98f8-b97536fe529e)
  )
  (wire (pts (xy 138.43 82.55) (xy 80.01 82.55))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 7e29bd65-85e0-4813-abee-7ccdbbb1a866)
  )
  (wire (pts (xy 29.21 29.21) (xy 29.21 52.07))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 849c5b93-89a3-435c-97ac-ca801173bdf5)
  )
  (wire (pts (xy 151.13 57.15) (xy 158.75 57.15))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 8616d5cd-4ab1-43de-b8de-051478564797)
  )
  (wire (pts (xy 158.75 82.55) (xy 138.43 82.55))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 8d4ab236-9971-460e-a0a4-f6946b984b30)
  )
  (wire (pts (xy 158.75 29.21) (xy 158.75 31.75))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 900d8a89-26d5-4802-91e4-c05c79f9236e)
  )
  (wire (pts (xy 46.99 66.04) (xy 46.99 82.55))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 90f0edcc-4434-47bd-b465-49557a9902c8)
  )
  (wire (pts (xy 138.43 46.99) (xy 138.43 29.21))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 9124cc60-5005-42dc-b275-20a1dcf76086)
  )
  (wire (pts (xy 63.5 29.21) (xy 63.5 62.23))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 95018815-af61-4a9b-be1a-b6623e57c1b4)
  )
  (wire (pts (xy 46.99 53.34) (xy 46.99 58.42))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid a9759bda-dd63-448a-972b-92fb30f200ad)
  )
  (wire (pts (xy 151.13 52.07) (xy 168.91 52.07))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid aae4e636-5dea-4646-9b1e-c137adc4dd1c)
  )
  (wire (pts (xy 125.73 62.23) (xy 118.11 62.23))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid ad812c68-8e35-46a5-98ca-9e32e720c084)
  )
  (wire (pts (xy 158.75 62.23) (xy 158.75 57.15))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid aecc07b0-7820-4291-a757-1978369d5c92)
  )
  (wire (pts (xy 195.58 82.55) (xy 158.75 82.55))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid b1a6322d-d6ff-41cc-9167-554f863f4e85)
  )
  (wire (pts (xy 29.21 62.23) (xy 29.21 82.55))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid b2aa8629-2c06-4dcb-8b96-7ae82b187c24)
  )
  (wire (pts (xy 95.25 72.39) (xy 57.15 72.39))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid c6b0b924-c8c4-4695-9dd1-c305254e59ac)
  )
  (wire (pts (xy 102.87 39.37) (xy 102.87 43.18))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid c75619c8-40d8-423b-a5f7-7c3114215305)
  )
  (wire (pts (xy 80.01 29.21) (xy 80.01 46.99))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid d7c47517-91d0-4493-99e1-10da95cbf401)
  )
  (wire (pts (xy 29.21 29.21) (xy 33.02 29.21))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid e4f75997-ea1c-4a1e-8b4d-fee6bdab5a94)
  )
  (wire (pts (xy 158.75 78.74) (xy 158.75 82.55))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid e6503456-5d02-4431-8f67-0656f8f7fdd7)
  )
  (wire (pts (xy 158.75 39.37) (xy 158.75 41.91))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid edd6c3da-c978-4247-ad57-112ee1493f27)
  )
  (wire (pts (xy 57.15 52.07) (xy 57.15 72.39))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid f4199705-21e0-4423-99bc-49bfb29058df)
  )
  (wire (pts (xy 67.31 52.07) (xy 57.15 52.07))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid f464abb9-d321-4895-af16-c0aa315a4c34)
  )
  (wire (pts (xy 176.53 52.07) (xy 199.39 52.07))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid fb005259-cf63-4d6f-90a1-9e779ea0c195)
  )
  (wire (pts (xy 158.75 49.53) (xy 158.75 57.15))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid fec5960b-349e-4a8a-ba6e-c0892a4c2e75)
  )

  (text "Cambiar C1 y C2 a 47 y 82 nF respectivamente\npara conseguir frecuencias más bajas."
    (at 76.2 88.9 0)
    (effects (font (size 1.27 1.27)) (justify left bottom))
    (uuid 07860e80-55cc-42cf-a506-62ccb3b6265c)
  )
  (text "R3 y R4 son resistencias de protección \npara evitar cortocircuitos si ponemos\nlos potes al mínimo."
    (at 180.34 35.56 0)
    (effects (font (size 1.27 1.27)) (justify left bottom))
    (uuid 44a57f16-5975-4e5b-8fca-1cada25fbd77)
  )

  (label "Output" (at 187.96 52.07 0)
    (effects (font (size 1.27 1.27)) (justify left bottom))
    (uuid e26dbbf2-86da-4390-b5c1-622f1672ada2)
  )

  (symbol (lib_id "Timer:LM556") (at 138.43 57.15 0) (unit 2)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (uuid 17dadbd6-bf2c-4935-89b3-4dc6ef3bb86e)
    (property "Reference" "U1" (id 0) (at 140.4494 44.45 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Value" "LM556" (id 1) (at 140.4494 46.99 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Footprint" "" (id 2) (at 138.43 57.15 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "http://www.ti.com/lit/ds/symlink/lm556.pdf" (id 3) (at 138.43 57.15 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "14" (uuid 41d883e8-de60-4e71-8dab-a28404a3b816))
    (pin "7" (uuid 57b2cab4-a529-453d-a1e9-73455e883b3e))
    (pin "1" (uuid 52c5d674-3f44-48f1-bd94-d1722cebbb12))
    (pin "2" (uuid 8e3563b2-ab25-4b3d-b2ba-7ffd043dd733))
    (pin "3" (uuid e18aefaa-3610-4443-beea-4ac43de1aa2d))
    (pin "4" (uuid 3bcde87e-fef1-45ae-85b8-de17de2e89c6))
    (pin "5" (uuid 41709316-26e7-44c3-a949-942d3716e49c))
    (pin "6" (uuid 490fa787-7abc-4b18-8e54-4ecf8c89e118))
    (pin "10" (uuid 67e473fc-350d-4749-9c18-554210801e84))
    (pin "11" (uuid d4d14f2c-83e6-4a51-b92d-549e54ff596a))
    (pin "12" (uuid 1b97e2e4-5bb0-4139-8d0b-eab34559f548))
    (pin "13" (uuid bdbf0df1-8f08-4e4c-b42b-1cc44ca320d8))
    (pin "8" (uuid 4149d211-08e1-4a56-ae19-8e7a6f1a54b9))
    (pin "9" (uuid ce53d0f0-04e9-4318-b696-ea5d659be80e))
  )

  (symbol (lib_id "Device:Battery") (at 29.21 57.15 0) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (uuid 1b5c3dca-c959-4afa-8708-51a0fbbc37cc)
    (property "Reference" "BT1" (id 0) (at 33.02 55.4989 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Value" "Battery" (id 1) (at 33.02 58.0389 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Footprint" "" (id 2) (at 29.21 55.626 90)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (id 3) (at 29.21 55.626 90)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid ab132753-fed4-4b05-9926-8804db37bad3))
    (pin "2" (uuid 7704d6c1-0f64-4e01-b2ba-8ca09f252125))
  )

  (symbol (lib_id "Device:C") (at 158.75 74.93 0) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (uuid 21739dd9-1439-47ad-b473-9c36483d8152)
    (property "Reference" "C2" (id 0) (at 162.56 73.6599 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Value" "0.1uF" (id 1) (at 162.56 76.1999 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Footprint" "" (id 2) (at 159.7152 78.74 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (id 3) (at 158.75 74.93 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid ba1f7796-7451-4370-9db9-536289fa3742))
    (pin "2" (uuid cec3e472-6ebc-489a-812a-19bda8982a46))
  )

  (symbol (lib_id "Device:LED") (at 46.99 62.23 90) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (uuid 2614fffd-3a54-467d-8220-f5af5ce4887d)
    (property "Reference" "D1" (id 0) (at 50.8 62.5474 90)
      (effects (font (size 1.27 1.27)) (justify right))
    )
    (property "Value" "LED" (id 1) (at 50.8 65.0874 90)
      (effects (font (size 1.27 1.27)) (justify right))
    )
    (property "Footprint" "" (id 2) (at 46.99 62.23 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (id 3) (at 46.99 62.23 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 7ca5d789-5661-476e-aaf3-506d3783ccac))
    (pin "2" (uuid 55442a9a-c60d-4fb1-a30e-b244ae916731))
  )

  (symbol (lib_id "Device:R") (at 158.75 45.72 0) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (uuid 49ca9de9-6005-40f6-9ce0-ed53d08102a2)
    (property "Reference" "R4" (id 0) (at 161.29 44.4499 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Value" "330" (id 1) (at 161.29 46.9899 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Footprint" "" (id 2) (at 156.972 45.72 90)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (id 3) (at 158.75 45.72 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid ff78f079-c6ad-46a8-bf6c-5bc84d324b2c))
    (pin "2" (uuid c07e0fd3-6420-45ad-a8d9-074a3731ebb6))
  )

  (symbol (lib_id "Device:C_Polarized") (at 172.72 52.07 90) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (uuid 4d86dd88-5876-4541-bd99-b3a653e81f9a)
    (property "Reference" "C3" (id 0) (at 171.831 44.45 90))
    (property "Value" "10uF" (id 1) (at 171.831 46.99 90))
    (property "Footprint" "" (id 2) (at 176.53 51.1048 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (id 3) (at 172.72 52.07 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 3b56f33c-264f-424b-8a6e-76008c701232))
    (pin "2" (uuid 55d59615-6976-485e-918c-5625db702335))
  )

  (symbol (lib_id "Device:R") (at 102.87 46.99 0) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (uuid 7394ddd4-ced1-40e4-bce1-8d6e48c05250)
    (property "Reference" "R3" (id 0) (at 105.41 45.7199 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Value" "330" (id 1) (at 105.41 48.2599 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Footprint" "" (id 2) (at 101.092 46.99 90)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (id 3) (at 102.87 46.99 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 1e7c17a1-5f78-49bd-9db0-b5ad458402e3))
    (pin "2" (uuid a15246cd-5987-4978-bad9-0909040579bd))
  )

  (symbol (lib_id "Device:R_Potentiometer") (at 102.87 35.56 0) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (uuid 77856a4f-e213-4b7d-80b8-6ae03b0c3fc6)
    (property "Reference" "RV1" (id 0) (at 100.33 34.2899 0)
      (effects (font (size 1.27 1.27)) (justify right))
    )
    (property "Value" "470K" (id 1) (at 100.33 36.8299 0)
      (effects (font (size 1.27 1.27)) (justify right))
    )
    (property "Footprint" "" (id 2) (at 102.87 35.56 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (id 3) (at 102.87 35.56 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 7c8c87f9-f9dc-46d8-b52b-82e96f682b28))
    (pin "2" (uuid 2f7e7905-96e1-46e0-ae7d-5843027ee6e2))
    (pin "3" (uuid c6734a4e-90a2-4621-826d-a82688bbf2b4))
  )

  (symbol (lib_id "Device:Speaker") (at 204.47 52.07 0) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (uuid 8c779346-06ef-40ed-b00f-403be39d2895)
    (property "Reference" "LS1" (id 0) (at 209.55 52.0699 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Value" "Speaker" (id 1) (at 209.55 54.6099 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Footprint" "" (id 2) (at 204.47 57.15 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (id 3) (at 204.216 53.34 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid bfead61a-aaa7-4d1c-9576-2e2c273a5017))
    (pin "2" (uuid a4c9bdce-9216-4cfc-9982-68614d88f77a))
  )

  (symbol (lib_id "Switch:SW_SPST") (at 38.1 29.21 0) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (uuid ab81cef8-8e55-47b0-9ba6-73dfb33982b5)
    (property "Reference" "SW1" (id 0) (at 38.1 22.86 0))
    (property "Value" "on/off" (id 1) (at 38.1 25.4 0))
    (property "Footprint" "" (id 2) (at 38.1 29.21 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (id 3) (at 38.1 29.21 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid ea49bf0b-3a21-42ae-b9b5-8662995c0836))
    (pin "2" (uuid cac5eebd-dec1-4ced-85a2-be254dd4f6b1))
  )

  (symbol (lib_id "Device:C") (at 57.15 78.74 0) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (uuid cfbbfe94-84c5-45ee-a206-36883b724a0a)
    (property "Reference" "C1" (id 0) (at 60.96 77.4699 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Value" "0.01uF" (id 1) (at 60.96 80.0099 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Footprint" "" (id 2) (at 58.1152 82.55 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (id 3) (at 57.15 78.74 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 2f5d0b2c-7a93-4b9f-90ab-afc3692b1d5b))
    (pin "2" (uuid d07025d4-93f4-4960-8677-17f2487555f4))
  )

  (symbol (lib_id "Device:R_Potentiometer") (at 158.75 35.56 0) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (uuid d188b2be-a5b2-4f12-a252-322feb4352d9)
    (property "Reference" "RV2" (id 0) (at 156.21 34.2899 0)
      (effects (font (size 1.27 1.27)) (justify right))
    )
    (property "Value" "470K" (id 1) (at 156.21 36.8299 0)
      (effects (font (size 1.27 1.27)) (justify right))
    )
    (property "Footprint" "" (id 2) (at 158.75 35.56 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (id 3) (at 158.75 35.56 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 45efcf8c-4a2a-4466-8358-f832ad0db66e))
    (pin "2" (uuid a5b2ea8f-2f1e-4224-a31f-85e1cdf89023))
    (pin "3" (uuid f74eedf8-0152-4a5d-9122-4a08bf9a798e))
  )

  (symbol (lib_id "Device:R") (at 101.6 62.23 90) (unit 1)
    (in_bom yes) (on_board yes)
    (uuid e6a40030-3176-4728-b431-e0dd566b4832)
    (property "Reference" "R2" (id 0) (at 101.6 59.69 90))
    (property "Value" "1K" (id 1) (at 101.6 64.77 90))
    (property "Footprint" "" (id 2) (at 101.6 64.008 90)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (id 3) (at 101.6 62.23 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 238b954d-b7c1-460e-b764-7c792c7252ff))
    (pin "2" (uuid c06efde5-717e-41ea-a1c5-0b45ddc93469))
  )

  (symbol (lib_id "Timer:LM556") (at 80.01 57.15 0) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (uuid ec864112-fa6e-4828-a076-23e82e2d7f55)
    (property "Reference" "U1" (id 0) (at 82.0294 44.45 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Value" "LM556" (id 1) (at 82.0294 46.99 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Footprint" "" (id 2) (at 80.01 57.15 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "http://www.ti.com/lit/ds/symlink/lm556.pdf" (id 3) (at 80.01 57.15 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "14" (uuid e3a143b5-58a7-4844-bb6d-da678d729ef1))
    (pin "7" (uuid f2b23899-9a97-4015-8b39-062b19ec90ca))
    (pin "1" (uuid a24b4bf1-6f48-4c75-82d6-60cf4a937319))
    (pin "2" (uuid 42a32943-5943-4405-ba18-f3a38dad877d))
    (pin "3" (uuid fc324202-119f-487c-b067-281d9cb8555a))
    (pin "4" (uuid 28017050-2927-497f-8fe5-2faf7cb63637))
    (pin "5" (uuid b9bef5db-cb06-4866-a2be-4bd7173c192a))
    (pin "6" (uuid a376bf31-94f7-45d2-90aa-f6ed0ea3be05))
    (pin "10" (uuid 0f7dbf29-0068-4572-9e8b-4075a544fced))
    (pin "11" (uuid 096cea76-b97c-4128-b619-c7427e82280b))
    (pin "12" (uuid 1c301d3b-5ce5-478b-a011-2f62f1902bd1))
    (pin "13" (uuid 455be3ec-49e2-403d-9b12-b00804b13630))
    (pin "8" (uuid 538fbfba-5ac4-4b21-9c68-c63f9ceee949))
    (pin "9" (uuid 5bd476cf-b19b-4ff7-9460-f095cf6d3c2f))
  )

  (symbol (lib_id "Device:R") (at 46.99 49.53 0) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (uuid f2e0a5d2-66b4-4e3f-a738-f6b8da1a558e)
    (property "Reference" "R1" (id 0) (at 49.53 48.2599 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Value" "470" (id 1) (at 49.53 50.7999 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Footprint" "" (id 2) (at 45.212 49.53 90)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (id 3) (at 46.99 49.53 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 07a3c387-3207-4619-abd3-9dcd916b1b19))
    (pin "2" (uuid 21151b38-0c6e-455b-8de5-a5db48acb10d))
  )

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

  (symbol_instances
    (path "/1b5c3dca-c959-4afa-8708-51a0fbbc37cc"
      (reference "BT1") (unit 1) (value "Battery") (footprint "")
    )
    (path "/cfbbfe94-84c5-45ee-a206-36883b724a0a"
      (reference "C1") (unit 1) (value "0.01uF") (footprint "")
    )
    (path "/21739dd9-1439-47ad-b473-9c36483d8152"
      (reference "C2") (unit 1) (value "0.1uF") (footprint "")
    )
    (path "/4d86dd88-5876-4541-bd99-b3a653e81f9a"
      (reference "C3") (unit 1) (value "10uF") (footprint "")
    )
    (path "/2614fffd-3a54-467d-8220-f5af5ce4887d"
      (reference "D1") (unit 1) (value "LED") (footprint "")
    )
    (path "/8c779346-06ef-40ed-b00f-403be39d2895"
      (reference "LS1") (unit 1) (value "Speaker") (footprint "")
    )
    (path "/f2e0a5d2-66b4-4e3f-a738-f6b8da1a558e"
      (reference "R1") (unit 1) (value "470") (footprint "")
    )
    (path "/e6a40030-3176-4728-b431-e0dd566b4832"
      (reference "R2") (unit 1) (value "1K") (footprint "")
    )
    (path "/7394ddd4-ced1-40e4-bce1-8d6e48c05250"
      (reference "R3") (unit 1) (value "330") (footprint "")
    )
    (path "/49ca9de9-6005-40f6-9ce0-ed53d08102a2"
      (reference "R4") (unit 1) (value "330") (footprint "")
    )
    (path "/77856a4f-e213-4b7d-80b8-6ae03b0c3fc6"
      (reference "RV1") (unit 1) (value "470K") (footprint "")
    )
    (path "/d188b2be-a5b2-4f12-a252-322feb4352d9"
      (reference "RV2") (unit 1) (value "470K") (footprint "")
    )
    (path "/ab81cef8-8e55-47b0-9ba6-73dfb33982b5"
      (reference "SW1") (unit 1) (value "on/off") (footprint "")
    )
    (path "/ec864112-fa6e-4828-a076-23e82e2d7f55"
      (reference "U1") (unit 1) (value "LM556") (footprint "")
    )
    (path "/17dadbd6-bf2c-4935-89b3-4dc6ef3bb86e"
      (reference "U1") (unit 2) (value "LM556") (footprint "")
    )
  )
)
