(kicad_sch (version 20211123) (generator eeschema)

  (uuid 3c121a93-b189-409b-a104-2bdd37ff0b51)

  (paper "A4")

  (lib_symbols
    (symbol "Analog_DAC:AUDIOAMP_MAX98357" (pin_names (offset 1.016)) (in_bom yes) (on_board yes)
      (property "Reference" "U" (id 0) (at -12.7 17.78 0)
        (effects (font (size 1.0668 1.0668)) (justify left bottom))
      )
      (property "Value" "Analog_DAC_AUDIOAMP_MAX98357" (id 1) (at -12.7 -17.78 0)
        (effects (font (size 1.0668 1.0668)) (justify left bottom))
      )
      (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_locked" "" (id 4) (at 0 0 0)
        (effects (font (size 1.27 1.27)))
      )
      (symbol "AUDIOAMP_MAX98357_1_0"
        (polyline
          (pts
            (xy -12.7 -15.24)
            (xy 12.7 -15.24)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -12.7 -10.16)
            (xy -12.7 -15.24)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -12.7 -10.16)
            (xy -12.7 10.16)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -12.7 10.16)
            (xy -12.7 15.24)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -12.7 10.16)
            (xy 12.7 10.16)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -12.7 15.24)
            (xy 12.7 15.24)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 12.7 -15.24)
            (xy 12.7 -10.16)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 12.7 -10.16)
            (xy -12.7 -10.16)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 12.7 10.16)
            (xy 12.7 -10.16)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 12.7 15.24)
            (xy 12.7 10.16)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (text "2.5-5.5V_-40~{85°C}" (at 2.54 -12.7 0)
          (effects (font (size 1.0668 1.0668)) (justify left))
        )
        (text "MAX98357_3.2W I2S Mono Amp" (at 0 12.7 0)
          (effects (font (size 1.0668 1.0668)))
        )
        (text "VDD:_Op. Temp:" (at -10.16 -12.7 0)
          (effects (font (size 1.0668 1.0668)) (justify left))
        )
        (pin bidirectional line (at -15.24 0 0) (length 2.54)
          (name "DIN" (effects (font (size 1.27 1.27))))
          (number "1" (effects (font (size 1.27 1.27))))
        )
        (pin output line (at 15.24 0 180) (length 2.54)
          (name "OUTN" (effects (font (size 1.27 1.27))))
          (number "10" (effects (font (size 1.27 1.27))))
        )
        (pin power_in line (at -15.24 -7.62 0) (length 2.54)
          (name "GND" (effects (font (size 1.27 1.27))))
          (number "11" (effects (font (size 1.27 1.27))))
        )
        (pin bidirectional line (at -15.24 2.54 0) (length 2.54)
          (name "LRCLK" (effects (font (size 1.27 1.27))))
          (number "14" (effects (font (size 1.27 1.27))))
        )
        (pin power_in line (at -15.24 -7.62 0) (length 2.54)
          (name "GND" (effects (font (size 1.27 1.27))))
          (number "15" (effects (font (size 0 0))))
        )
        (pin bidirectional line (at -15.24 5.08 0) (length 2.54)
          (name "BCLK" (effects (font (size 1.27 1.27))))
          (number "16" (effects (font (size 1.27 1.27))))
        )
        (pin bidirectional line (at 15.24 -7.62 180) (length 2.54)
          (name "GAIN" (effects (font (size 1.27 1.27))))
          (number "2" (effects (font (size 1.27 1.27))))
        )
        (pin power_in line (at -15.24 -7.62 0) (length 2.54)
          (name "GND" (effects (font (size 1.27 1.27))))
          (number "3" (effects (font (size 0 0))))
        )
        (pin bidirectional line (at -15.24 7.62 0) (length 2.54)
          (name "~{SD_MODE}" (effects (font (size 1.27 1.27))))
          (number "4" (effects (font (size 1.27 1.27))))
        )
        (pin power_in line (at -15.24 -5.08 0) (length 2.54)
          (name "VDD" (effects (font (size 1.27 1.27))))
          (number "7" (effects (font (size 0 0))))
        )
        (pin power_in line (at -15.24 -5.08 0) (length 2.54)
          (name "VDD" (effects (font (size 1.27 1.27))))
          (number "8" (effects (font (size 1.27 1.27))))
        )
        (pin output line (at 15.24 7.62 180) (length 2.54)
          (name "OUTP" (effects (font (size 1.27 1.27))))
          (number "9" (effects (font (size 1.27 1.27))))
        )
      )
      (symbol "AUDIOAMP_MAX98357_1_1"
        (pin power_in line (at -15.24 -10.16 0) (length 2.54)
          (name "THERMAL" (effects (font (size 1.27 1.27))))
          (number "17" (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: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:+3V3" (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" "+3V3" (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 \"+3V3\"" (id 5) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "+3V3_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 "+3V3_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 80.01 97.79) (diameter 0) (color 0 0 0 0)
    (uuid 0e592cd4-1950-44ef-9727-8e526f4c4e12)
  )
  (junction (at 115.57 105.41) (diameter 0) (color 0 0 0 0)
    (uuid 68039801-1b0f-480a-861d-d55f24af0c17)
  )
  (junction (at 124.46 105.41) (diameter 0) (color 0 0 0 0)
    (uuid 843b53af-dd34-4db8-aa6b-5035b25affc7)
  )
  (junction (at 184.15 100.33) (diameter 0) (color 0 0 0 0)
    (uuid 89df70f4-3579-42b9-861e-6beb04a3b25e)
  )
  (junction (at 191.77 92.71) (diameter 0) (color 0 0 0 0)
    (uuid dc628a9d-67e8-4a03-b99f-8cc7a42af6ef)
  )
  (junction (at 133.35 110.49) (diameter 0) (color 0 0 0 0)
    (uuid ef3dded2-639c-45d4-8076-84cfb5189592)
  )

  (wire (pts (xy 191.77 120.65) (xy 191.77 113.03))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 0938c137-668b-4d2f-b92b-cadb1df72bdb)
  )
  (wire (pts (xy 130.81 95.25) (xy 135.89 95.25))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 2522909e-6f5c-4f36-9c3a-869dca14e50f)
  )
  (wire (pts (xy 135.89 97.79) (xy 130.81 97.79))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 3a45fb3b-7899-44f2-a78a-f676359df67b)
  )
  (wire (pts (xy 191.77 92.71) (xy 200.66 92.71))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 42bd0f96-a831-406e-abb7-03ed1bbd785f)
  )
  (wire (pts (xy 201.93 97.79) (xy 200.66 97.79))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 57543893-39bf-4d83-b4e0-8d020b4a6d48)
  )
  (wire (pts (xy 80.01 111.76) (xy 80.01 107.95))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 5a397f61-35c4-4c18-9dcd-73a2d44cc9af)
  )
  (wire (pts (xy 124.46 105.41) (xy 135.89 105.41))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 5b70b09b-6762-4725-9d48-805300c0bdc8)
  )
  (wire (pts (xy 80.01 97.79) (xy 80.01 100.33))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 5bbde4f9-fcdb-4d27-a2d6-3847fcdd87ba)
  )
  (wire (pts (xy 184.15 100.33) (xy 200.66 100.33))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 629fdb7a-7978-43d0-987e-b84465775826)
  )
  (wire (pts (xy 115.57 120.65) (xy 115.57 118.11))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 6316acb7-63a1-40e7-8695-2822d4a240b5)
  )
  (wire (pts (xy 133.35 107.95) (xy 133.35 110.49))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 6ce41a48-c5e2-4d5f-8548-1c7b5c309a8a)
  )
  (wire (pts (xy 184.15 120.65) (xy 184.15 113.03))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 74096bdc-b668-408c-af3a-b048c20bd605)
  )
  (wire (pts (xy 130.81 92.71) (xy 135.89 92.71))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 7c6e532b-1afd-48d4-9389-2942dcbc7c3c)
  )
  (wire (pts (xy 115.57 105.41) (xy 124.46 105.41))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 7de6564c-7ad6-4d57-a54c-8d2835ff5cdc)
  )
  (wire (pts (xy 200.66 92.71) (xy 200.66 95.25))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 8cb5a828-8cef-4784-b78d-175b49646952)
  )
  (wire (pts (xy 191.77 92.71) (xy 191.77 105.41))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 94c3d0e3-d7fb-421d-bbb4-5c800d76c809)
  )
  (wire (pts (xy 184.15 100.33) (xy 184.15 105.41))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 9a595c4c-9ac1-4ae3-8ff3-1b7f2281a894)
  )
  (wire (pts (xy 135.89 107.95) (xy 133.35 107.95))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 9b07d532-5f76-4469-8dbf-25ac27eef589)
  )
  (wire (pts (xy 200.66 95.25) (xy 201.93 95.25))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 9bb406d9-c650-4e67-9a26-3195d4de542e)
  )
  (wire (pts (xy 200.66 97.79) (xy 200.66 100.33))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 9c5933cf-1535-4465-90dd-da9b75afcdcf)
  )
  (wire (pts (xy 83.82 97.79) (xy 80.01 97.79))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid a150f0c9-1a23-4200-b489-18791f6d5ce5)
  )
  (wire (pts (xy 115.57 105.41) (xy 115.57 102.87))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid a26bdee6-0e16-4ea6-87f7-fb32c714896e)
  )
  (wire (pts (xy 80.01 82.55) (xy 80.01 86.36))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid a49e8613-3cd2-48ed-8977-6bb5023f7722)
  )
  (wire (pts (xy 133.35 110.49) (xy 133.35 120.65))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid b4675fcd-90dd-499b-8feb-46b51a88378c)
  )
  (wire (pts (xy 124.46 120.65) (xy 124.46 118.11))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid c56bbebe-0c9a-418d-911e-b8ba7c53125d)
  )
  (wire (pts (xy 166.37 92.71) (xy 191.77 92.71))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid c8072c34-0f81-4552-9fbe-4bfe60c53e21)
  )
  (wire (pts (xy 130.81 100.33) (xy 135.89 100.33))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid c81031ca-cd56-4ea3-b0db-833cbbdd7b2e)
  )
  (wire (pts (xy 135.89 110.49) (xy 133.35 110.49))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid d53baa32-ba88-4646-9db3-0e9b0f0da4f0)
  )
  (wire (pts (xy 124.46 110.49) (xy 124.46 105.41))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid dff67d5c-d976-4516-ae67-dbbdb70f8ddd)
  )
  (wire (pts (xy 80.01 93.98) (xy 80.01 97.79))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid e77c17df-b20e-4e7d-b937-f281c75a0014)
  )
  (wire (pts (xy 166.37 107.95) (xy 173.99 107.95))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid ea28e946-b74f-4ba8-ac7b-b1884c5e7296)
  )
  (wire (pts (xy 115.57 110.49) (xy 115.57 105.41))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid f6dcb5b4-0971-448a-b9ab-6db37a750704)
  )
  (wire (pts (xy 166.37 100.33) (xy 184.15 100.33))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid ff2f00dc-dff2-4a19-af27-f5c793a8d261)
  )

  (text "Gain=9dB" (at 166.37 110.49 0)
    (effects (font (size 1.4986 1.4986)) (justify left bottom))
    (uuid 39845449-7a31-4262-86b1-e7af14a6659f)
  )
  (text "R1 Channel Selection:\nLEFT = VDD (0 Ohm)\nRIGHT = 370K (94*VDD-100)\nLEFT/2 + RIGHT/2 = 1.011M (222.2*VDD-100)"
    (at 138.43 77.47 0)
    (effects (font (size 1.4986 1.4986)) (justify left bottom))
    (uuid 4f2f68c4-6fa0-45ce-b5c2-e911daddcd12)
  )
  (text "ToDo: Ferrite (select w/high Z at high F,\nlow Z at low F). Try to block everything\n>1MHz or so."
    (at 173.99 85.09 0)
    (effects (font (size 1.4986 1.4986)) (justify left bottom))
    (uuid dd6c35f3-ae45-4706-ad6f-8028797ca8e0)
  )

  (label "GAIN" (at 83.82 97.79 0)
    (effects (font (size 1.778 1.778)) (justify left bottom))
    (uuid 07652224-af43-42a2-841c-1883ba305bc4)
  )
  (label "VO+" (at 194.31 92.71 0)
    (effects (font (size 1.778 1.778)) (justify left bottom))
    (uuid 2c488362-c230-4f6d-82f9-a229b1171a23)
  )
  (label "VO-" (at 194.31 100.33 0)
    (effects (font (size 1.778 1.778)) (justify left bottom))
    (uuid a5e6f7cb-0a81-4357-a11f-231d23300342)
  )
  (label "GAIN" (at 173.99 107.95 180)
    (effects (font (size 1.778 1.778)) (justify right bottom))
    (uuid d6040293-95f0-436a-938c-ad69875a4be8)
  )

  (hierarchical_label "I2S_BCLK" (shape input) (at 130.81 95.25 180)
    (effects (font (size 1.27 1.27)) (justify right))
    (uuid 003974b6-cb8f-491b-a226-fc7891eb9a62)
  )
  (hierarchical_label "SPK_OUT-" (shape output) (at 201.93 97.79 0)
    (effects (font (size 1.27 1.27)) (justify left))
    (uuid 2d0d333a-99a0-4575-9433-710c8cc7ac0b)
  )
  (hierarchical_label "I2S_LRCLK" (shape input) (at 130.81 97.79 180)
    (effects (font (size 1.27 1.27)) (justify right))
    (uuid 7c0866b5-b180-4be6-9e62-43f5b191d6d4)
  )
  (hierarchical_label "I2S_DIN" (shape input) (at 130.81 100.33 180)
    (effects (font (size 1.27 1.27)) (justify right))
    (uuid d1817a81-d444-4cd9-95f6-174ec9e2a60e)
  )
  (hierarchical_label "SPKOUT+" (shape output) (at 201.93 95.25 0)
    (effects (font (size 1.27 1.27)) (justify left))
    (uuid df9a1242-2d73-4343-b170-237bc9a8080f)
  )
  (hierarchical_label "I2S_SD_MODE" (shape input) (at 130.81 92.71 180)
    (effects (font (size 1.27 1.27)) (justify right))
    (uuid e42fd0d4-9927-4308-81d9-4cca814c8ea9)
  )

  (symbol (lib_id "Analog_DAC:AUDIOAMP_MAX98357") (at 151.13 100.33 0) (unit 1)
    (in_bom yes) (on_board yes)
    (uuid 00000000-0000-0000-0000-000060fe0c5f)
    (property "Reference" "U5" (id 0) (at 156.21 83.82 0)
      (effects (font (size 1.0668 1.0668)) (justify left bottom))
    )
    (property "Value" "MAX98357A" (id 1) (at 138.43 118.11 0)
      (effects (font (size 1.0668 1.0668)) (justify left bottom))
    )
    (property "Footprint" "Package_DFN_QFN:QFN-16-1EP_3x3mm_P0.5mm_EP1.7x1.7mm_ThermalVias" (id 2) (at 151.13 100.33 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (id 3) (at 151.13 100.33 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "MPN" "MAX98357AETE+T" (id 4) (at 151.13 100.33 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Manufacturer" "Maxim IC" (id 5) (at 151.13 100.33 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "ordercode" "2949165" (id 6) (at 151.13 100.33 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "supplier" "farnell" (id 7) (at 151.13 100.33 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 8da6f0cc-b6e1-40b6-8400-08d4f8963904))
    (pin "10" (uuid ae159df0-1d25-4128-a917-08577de98700))
    (pin "11" (uuid 108d8eba-bbfb-4553-8118-48ca4dfbf0d8))
    (pin "14" (uuid b04fff51-ed2d-4ab1-b43b-9e452f4af7fb))
    (pin "15" (uuid fcc5d5fc-0396-4d0d-80e8-10163ae8f018))
    (pin "16" (uuid 8c6586e4-31ba-413a-bc44-44197d9486ea))
    (pin "2" (uuid 892761a1-b562-49e7-a13c-bc73a4f345d0))
    (pin "3" (uuid 6775a1ee-a7d0-4b82-8c1e-e517fab46a3b))
    (pin "4" (uuid d39f834c-0cc2-455e-8ed3-80e7888cc6fe))
    (pin "7" (uuid 9c5a82d5-3ee6-4063-97d8-5173a0d21bc2))
    (pin "8" (uuid 06764674-c69f-48d2-ab72-b234dd1757f5))
    (pin "9" (uuid 9b773d52-dcb3-405a-9f75-fe75db29f67b))
    (pin "17" (uuid 1e98dba8-7f9c-4a56-b98d-c093ef42202f))
  )

  (symbol (lib_id "Device:R") (at 80.01 90.17 0) (unit 1)
    (in_bom yes) (on_board yes)
    (uuid 00000000-0000-0000-0000-000060fe0c75)
    (property "Reference" "R27" (id 0) (at 81.788 89.0016 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Value" "10K" (id 1) (at 81.788 91.313 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Footprint" "Resistor_SMD:R_0402_1005Metric" (id 2) (at 78.232 90.17 90)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (id 3) (at 80.01 90.17 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "StockRef" "R10K_0402" (id 4) (at 80.01 90.17 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "ordercode" "2447096" (id 5) (at 80.01 90.17 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "supplier" "farnell" (id 6) (at 80.01 90.17 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "DNP" "DNP" (id 7) (at 80.01 90.17 90))
    (pin "1" (uuid c75ecc0c-d64e-4c5c-9632-93f61a2cbcec))
    (pin "2" (uuid cb14b51d-0428-4a83-9e5a-851c1b79d547))
  )

  (symbol (lib_id "Device:R") (at 80.01 104.14 0) (unit 1)
    (in_bom yes) (on_board yes)
    (uuid 00000000-0000-0000-0000-000060fe0c7b)
    (property "Reference" "R28" (id 0) (at 81.788 102.9716 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Value" "10K" (id 1) (at 81.788 105.283 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Footprint" "Resistor_SMD:R_0402_1005Metric" (id 2) (at 78.232 104.14 90)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (id 3) (at 80.01 104.14 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "StockRef" "R10K_0402" (id 4) (at 80.01 104.14 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "ordercode" "2447096" (id 5) (at 80.01 104.14 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "supplier" "farnell" (id 6) (at 80.01 104.14 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "DNP" "DNP" (id 7) (at 80.01 104.14 90))
    (pin "1" (uuid 2b9ae516-0e35-4530-947a-024c22a8bceb))
    (pin "2" (uuid 8838c7cf-935d-4363-bab2-e0bb969163a7))
  )

  (symbol (lib_id "power:+3V3") (at 80.01 82.55 0) (unit 1)
    (in_bom yes) (on_board yes)
    (uuid 00000000-0000-0000-0000-000060fe0c85)
    (property "Reference" "#PWR0149" (id 0) (at 80.01 86.36 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "+3V3" (id 1) (at 80.391 78.1558 0))
    (property "Footprint" "" (id 2) (at 80.01 82.55 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (id 3) (at 80.01 82.55 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 08673bb3-2a81-4a5b-86b7-67d8b882751b))
  )

  (symbol (lib_id "power:GND") (at 80.01 111.76 0) (unit 1)
    (in_bom yes) (on_board yes)
    (uuid 00000000-0000-0000-0000-000060fe0c8c)
    (property "Reference" "#PWR0150" (id 0) (at 80.01 118.11 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "GND" (id 1) (at 80.137 116.1542 0))
    (property "Footprint" "" (id 2) (at 80.01 111.76 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (id 3) (at 80.01 111.76 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 3a3fae06-766b-4901-b48e-c257a5fda0a2))
  )

  (symbol (lib_id "Device:C") (at 115.57 114.3 0) (mirror x) (unit 1)
    (in_bom yes) (on_board yes)
    (uuid 00000000-0000-0000-0000-000060fe0c93)
    (property "Reference" "C32" (id 0) (at 112.6744 113.1316 0)
      (effects (font (size 1.27 1.27)) (justify right))
    )
    (property "Value" "10nF" (id 1) (at 112.6744 115.443 0)
      (effects (font (size 1.27 1.27)) (justify right))
    )
    (property "Footprint" "Capacitor_SMD:C_0402_1005Metric" (id 2) (at 116.5352 110.49 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (id 3) (at 115.57 114.3 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "ordercode" "3013347" (id 4) (at 115.57 114.3 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "supplier" "farnell" (id 5) (at 115.57 114.3 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 50c8ba6e-d535-4da2-adb5-6cf68a00874b))
    (pin "2" (uuid 09854350-9635-4e9f-b3dd-3decf0af5bdc))
  )

  (symbol (lib_id "Device:C") (at 124.46 114.3 0) (unit 1)
    (in_bom yes) (on_board yes)
    (uuid 00000000-0000-0000-0000-000060fe0c99)
    (property "Reference" "C33" (id 0) (at 127.381 113.1316 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Value" "100nF" (id 1) (at 127.381 115.443 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Footprint" "Capacitor_SMD:C_0402_1005Metric" (id 2) (at 125.4252 118.11 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (id 3) (at 124.46 114.3 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "ordercode" "2524678" (id 4) (at 124.46 114.3 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "supplier" "farnell" (id 5) (at 124.46 114.3 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 0ec5cb89-86bd-4fe6-adf8-11cf9ae2394d))
    (pin "2" (uuid 51009fe8-7f77-4201-9863-1353f7f8a9a2))
  )

  (symbol (lib_id "power:GND") (at 115.57 120.65 0) (unit 1)
    (in_bom yes) (on_board yes)
    (uuid 00000000-0000-0000-0000-000060fe0ca3)
    (property "Reference" "#PWR0151" (id 0) (at 115.57 127 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "GND" (id 1) (at 115.697 125.0442 0))
    (property "Footprint" "" (id 2) (at 115.57 120.65 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (id 3) (at 115.57 120.65 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 9516c50e-74ec-46ef-99bf-ee2b581a2d16))
  )

  (symbol (lib_id "power:GND") (at 124.46 120.65 0) (unit 1)
    (in_bom yes) (on_board yes)
    (uuid 00000000-0000-0000-0000-000060fe0ca9)
    (property "Reference" "#PWR0152" (id 0) (at 124.46 127 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "GND" (id 1) (at 124.587 125.0442 0))
    (property "Footprint" "" (id 2) (at 124.46 120.65 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (id 3) (at 124.46 120.65 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid cfd51045-ee92-48e5-b773-bda559b891b9))
  )

  (symbol (lib_id "power:GND") (at 133.35 120.65 0) (unit 1)
    (in_bom yes) (on_board yes)
    (uuid 00000000-0000-0000-0000-000060fe0cb1)
    (property "Reference" "#PWR0153" (id 0) (at 133.35 127 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "GND" (id 1) (at 133.477 125.0442 0))
    (property "Footprint" "" (id 2) (at 133.35 120.65 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (id 3) (at 133.35 120.65 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 9e7ccff9-fc90-440c-b68a-e5c77199419a))
  )

  (symbol (lib_id "power:+3V3") (at 115.57 102.87 0) (unit 1)
    (in_bom yes) (on_board yes)
    (uuid 00000000-0000-0000-0000-000060fe0cba)
    (property "Reference" "#PWR0154" (id 0) (at 115.57 106.68 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "+3V3" (id 1) (at 115.951 98.4758 0))
    (property "Footprint" "" (id 2) (at 115.57 102.87 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (id 3) (at 115.57 102.87 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 6031bbf7-fcd8-485b-87a6-f3d014b63fa1))
  )

  (symbol (lib_id "Device:C") (at 184.15 109.22 0) (unit 1)
    (in_bom yes) (on_board yes)
    (uuid 00000000-0000-0000-0000-000060fe0cd7)
    (property "Reference" "C34" (id 0) (at 179.07 109.22 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Value" "220pF" (id 1) (at 176.53 111.76 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Footprint" "Capacitor_SMD:C_0402_1005Metric" (id 2) (at 185.1152 113.03 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (id 3) (at 184.15 109.22 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "ordercode" "2812289" (id 4) (at 184.15 109.22 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "supplier" "farnell" (id 5) (at 184.15 109.22 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid c04163b8-dab4-4149-84d6-43cfaf52e6e0))
    (pin "2" (uuid 2e20a1af-9313-4b49-8c20-2ab5d5e1f3b1))
  )

  (symbol (lib_id "Device:C") (at 191.77 109.22 0) (unit 1)
    (in_bom yes) (on_board yes)
    (uuid 00000000-0000-0000-0000-000060fe0cdd)
    (property "Reference" "C35" (id 0) (at 194.691 108.0516 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Value" "220pF" (id 1) (at 194.691 110.363 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Footprint" "Capacitor_SMD:C_0402_1005Metric" (id 2) (at 192.7352 113.03 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (id 3) (at 191.77 109.22 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "ordercode" "2812289" (id 4) (at 191.77 109.22 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "supplier" "farnell" (id 5) (at 191.77 109.22 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid e7a73f6e-9899-47b9-be65-02c795f15461))
    (pin "2" (uuid b22f29f2-0bcd-4d17-8b2a-59f72f75b499))
  )

  (symbol (lib_id "power:GND") (at 184.15 120.65 0) (unit 1)
    (in_bom yes) (on_board yes)
    (uuid 00000000-0000-0000-0000-000060fe0ce3)
    (property "Reference" "#PWR0156" (id 0) (at 184.15 127 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "GND" (id 1) (at 184.277 125.0442 0))
    (property "Footprint" "" (id 2) (at 184.15 120.65 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (id 3) (at 184.15 120.65 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 417b9231-7c90-4495-91f3-0a9a38ab8c5c))
  )

  (symbol (lib_id "power:GND") (at 191.77 120.65 0) (unit 1)
    (in_bom yes) (on_board yes)
    (uuid 00000000-0000-0000-0000-000060fe0ce9)
    (property "Reference" "#PWR0157" (id 0) (at 191.77 127 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "GND" (id 1) (at 191.897 125.0442 0))
    (property "Footprint" "" (id 2) (at 191.77 120.65 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (id 3) (at 191.77 120.65 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 406d304f-6b16-4d45-9546-61528ccffb1b))
  )
)