OpenFlowMeter_CurrentSource.kicad_sch

(kicad_sch (version 20230121) (generator eeschema)

  (uuid ed8a7f02-cf05-41d0-97b4-4388ef205e73)

  (paper "A4")

  (title_block
    (title "Open Flow Meter")
    (date "2023-03-05")
    (rev "3")
    (company "Jochen Steinmann")
  )

  (lib_symbols
    (symbol "Amplifier_Operational:LT1492" (pin_names (offset 0.127)) (in_bom yes) (on_board yes)
      (property "Reference" "U" (at 0 5.08 0)
        (effects (font (size 1.27 1.27)) (justify left))
      )
      (property "Value" "LT1492" (at 0 -5.08 0)
        (effects (font (size 1.27 1.27)) (justify left))
      )
      (property "Footprint" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "Datasheet" "https://www.analog.com/media/en/technical-documentation/data-sheets/14923f.pdf" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_locked" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "ki_keywords" "dual opamp" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "5MHz, 3V/µs, Low Power, Single Supply, Dual Precision Op Amps, DIP-8/SOIC-8" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_fp_filters" "SOIC*3.9x4.9mm*P1.27mm* DIP*W7.62mm* TO*99* OnSemi*Micro8* TSSOP*3x3mm*P0.65mm* TSSOP*4.4x3mm*P0.65mm* MSOP*3x3mm*P0.65mm* SSOP*3.9x4.9mm*P0.635mm* LFCSP*2x2mm*P0.5mm* *SIP* SOIC*5.3x6.2mm*P1.27mm*" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "LT1492_1_1"
        (polyline
          (pts
            (xy -5.08 5.08)
            (xy 5.08 0)
            (xy -5.08 -5.08)
            (xy -5.08 5.08)
          )
          (stroke (width 0.254) (type default))
          (fill (type background))
        )
        (pin output line (at 7.62 0 180) (length 2.54)
          (name "~" (effects (font (size 1.27 1.27))))
          (number "1" (effects (font (size 1.27 1.27))))
        )
        (pin input line (at -7.62 -2.54 0) (length 2.54)
          (name "-" (effects (font (size 1.27 1.27))))
          (number "2" (effects (font (size 1.27 1.27))))
        )
        (pin input line (at -7.62 2.54 0) (length 2.54)
          (name "+" (effects (font (size 1.27 1.27))))
          (number "3" (effects (font (size 1.27 1.27))))
        )
      )
      (symbol "LT1492_2_1"
        (polyline
          (pts
            (xy -5.08 5.08)
            (xy 5.08 0)
            (xy -5.08 -5.08)
            (xy -5.08 5.08)
          )
          (stroke (width 0.254) (type default))
          (fill (type background))
        )
        (pin input line (at -7.62 2.54 0) (length 2.54)
          (name "+" (effects (font (size 1.27 1.27))))
          (number "5" (effects (font (size 1.27 1.27))))
        )
        (pin input line (at -7.62 -2.54 0) (length 2.54)
          (name "-" (effects (font (size 1.27 1.27))))
          (number "6" (effects (font (size 1.27 1.27))))
        )
        (pin output line (at 7.62 0 180) (length 2.54)
          (name "~" (effects (font (size 1.27 1.27))))
          (number "7" (effects (font (size 1.27 1.27))))
        )
      )
      (symbol "LT1492_3_1"
        (pin power_in line (at -2.54 -7.62 90) (length 3.81)
          (name "V-" (effects (font (size 1.27 1.27))))
          (number "4" (effects (font (size 1.27 1.27))))
        )
        (pin power_in line (at -2.54 7.62 270) (length 3.81)
          (name "V+" (effects (font (size 1.27 1.27))))
          (number "8" (effects (font (size 1.27 1.27))))
        )
      )
    )
    (symbol "Connector:Screw_Terminal_01x04" (pin_names (offset 1.016) hide) (in_bom yes) (on_board yes)
      (property "Reference" "J" (at 0 5.08 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Value" "Screw_Terminal_01x04" (at 0 -7.62 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Footprint" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "Datasheet" "~" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_keywords" "screw terminal" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "Generic screw terminal, single row, 01x04, script generated (kicad-library-utils/schlib/autogen/connector/)" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_fp_filters" "TerminalBlock*:*" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "Screw_Terminal_01x04_1_1"
        (rectangle (start -1.27 3.81) (end 1.27 -6.35)
          (stroke (width 0.254) (type default))
          (fill (type background))
        )
        (circle (center 0 -5.08) (radius 0.635)
          (stroke (width 0.1524) (type default))
          (fill (type none))
        )
        (circle (center 0 -2.54) (radius 0.635)
          (stroke (width 0.1524) (type default))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -0.5334 -4.7498)
            (xy 0.3302 -5.588)
          )
          (stroke (width 0.1524) (type default))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -0.5334 -2.2098)
            (xy 0.3302 -3.048)
          )
          (stroke (width 0.1524) (type default))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -0.5334 0.3302)
            (xy 0.3302 -0.508)
          )
          (stroke (width 0.1524) (type default))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -0.5334 2.8702)
            (xy 0.3302 2.032)
          )
          (stroke (width 0.1524) (type default))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -0.3556 -4.572)
            (xy 0.508 -5.4102)
          )
          (stroke (width 0.1524) (type default))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -0.3556 -2.032)
            (xy 0.508 -2.8702)
          )
          (stroke (width 0.1524) (type default))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -0.3556 0.508)
            (xy 0.508 -0.3302)
          )
          (stroke (width 0.1524) (type default))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -0.3556 3.048)
            (xy 0.508 2.2098)
          )
          (stroke (width 0.1524) (type default))
          (fill (type none))
        )
        (circle (center 0 0) (radius 0.635)
          (stroke (width 0.1524) (type default))
          (fill (type none))
        )
        (circle (center 0 2.54) (radius 0.635)
          (stroke (width 0.1524) (type default))
          (fill (type none))
        )
        (pin passive line (at -5.08 2.54 0) (length 3.81)
          (name "Pin_1" (effects (font (size 1.27 1.27))))
          (number "1" (effects (font (size 1.27 1.27))))
        )
        (pin passive line (at -5.08 0 0) (length 3.81)
          (name "Pin_2" (effects (font (size 1.27 1.27))))
          (number "2" (effects (font (size 1.27 1.27))))
        )
        (pin passive line (at -5.08 -2.54 0) (length 3.81)
          (name "Pin_3" (effects (font (size 1.27 1.27))))
          (number "3" (effects (font (size 1.27 1.27))))
        )
        (pin passive line (at -5.08 -5.08 0) (length 3.81)
          (name "Pin_4" (effects (font (size 1.27 1.27))))
          (number "4" (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" (at 0.635 2.54 0)
        (effects (font (size 1.27 1.27)) (justify left))
      )
      (property "Value" "C" (at 0.635 -2.54 0)
        (effects (font (size 1.27 1.27)) (justify left))
      )
      (property "Footprint" "" (at 0.9652 -3.81 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "Datasheet" "~" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_keywords" "cap capacitor" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "Unpolarized capacitor" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_fp_filters" "C_*" (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))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -2.032 0.762)
            (xy 2.032 0.762)
          )
          (stroke (width 0.508) (type default))
          (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" (at 2.032 0 90)
        (effects (font (size 1.27 1.27)))
      )
      (property "Value" "R" (at 0 0 90)
        (effects (font (size 1.27 1.27)))
      )
      (property "Footprint" "" (at -1.778 0 90)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "Datasheet" "~" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_keywords" "R res resistor" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "Resistor" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_fp_filters" "R_*" (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))
          (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 "Sensor_Temperature:PT100" (pin_numbers hide) (pin_names (offset 0)) (in_bom yes) (on_board yes)
      (property "Reference" "TH" (at -4.445 0 90)
        (effects (font (size 1.27 1.27)))
      )
      (property "Value" "PT100" (at 3.175 0 90)
        (effects (font (size 1.27 1.27)))
      )
      (property "Footprint" "" (at 0 1.27 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "Datasheet" "https://www.heraeus.com/media/media/group/doc_group/products_1/hst/sot_to/de_15/to_92_d.pdf" (at 0 1.27 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_keywords" "platinum temperature sensor RTD" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "PT100 platinum temperature sensor (RTD)" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_fp_filters" "TO?92* PIN?ARRAY* bornier* Terminal?Block* SOD70* R*1206* R*0805*" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "PT100_0_1"
        (arc (start -3.048 2.159) (mid -3.0495 2.3143) (end -3.175 2.413)
          (stroke (width 0) (type default))
          (fill (type none))
        )
        (arc (start -3.048 2.159) (mid -2.9736 1.9794) (end -2.794 1.905)
          (stroke (width 0) (type default))
          (fill (type none))
        )
        (arc (start -3.048 2.794) (mid -2.9736 2.6144) (end -2.794 2.54)
          (stroke (width 0) (type default))
          (fill (type none))
        )
        (arc (start -2.794 1.905) (mid -2.6144 1.9794) (end -2.54 2.159)
          (stroke (width 0) (type default))
          (fill (type none))
        )
        (arc (start -2.794 2.54) (mid -2.4393 2.5587) (end -2.159 2.794)
          (stroke (width 0) (type default))
          (fill (type none))
        )
        (arc (start -2.794 3.048) (mid -2.9736 2.9736) (end -3.048 2.794)
          (stroke (width 0) (type default))
          (fill (type none))
        )
        (arc (start -2.54 2.794) (mid -2.6144 2.9736) (end -2.794 3.048)
          (stroke (width 0) (type default))
          (fill (type none))
        )
        (rectangle (start -1.016 2.54) (end 1.016 -2.54)
          (stroke (width 0.254) (type default))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -2.54 2.159)
            (xy -2.54 2.794)
          )
          (stroke (width 0) (type default))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -1.778 2.54)
            (xy -1.778 1.524)
            (xy 1.778 -1.524)
            (xy 1.778 -2.54)
          )
          (stroke (width 0) (type default))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -2.54 -3.683)
            (xy -2.54 -1.397)
            (xy -2.794 -2.159)
            (xy -2.286 -2.159)
            (xy -2.54 -1.397)
            (xy -2.54 -1.651)
          )
          (stroke (width 0) (type default))
          (fill (type outline))
        )
        (polyline
          (pts
            (xy -1.778 -3.683)
            (xy -1.778 -1.397)
            (xy -2.032 -2.159)
            (xy -1.524 -2.159)
            (xy -1.778 -1.397)
            (xy -1.778 -1.651)
          )
          (stroke (width 0) (type default))
          (fill (type outline))
        )
      )
      (symbol "PT100_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 "Transistor_BJT:BC556" (pin_names (offset 0) hide) (in_bom yes) (on_board yes)
      (property "Reference" "Q" (at 5.08 1.905 0)
        (effects (font (size 1.27 1.27)) (justify left))
      )
      (property "Value" "BC556" (at 5.08 0 0)
        (effects (font (size 1.27 1.27)) (justify left))
      )
      (property "Footprint" "Package_TO_SOT_THT:TO-92_Inline" (at 5.08 -1.905 0)
        (effects (font (size 1.27 1.27) italic) (justify left) hide)
      )
      (property "Datasheet" "https://www.onsemi.com/pub/Collateral/BC556BTA-D.pdf" (at 0 0 0)
        (effects (font (size 1.27 1.27)) (justify left) hide)
      )
      (property "ki_keywords" "PNP Transistor" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "0.1A Ic, 65V Vce, PNP Small Signal Transistor, TO-92" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_fp_filters" "TO?92*" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "BC556_0_1"
        (polyline
          (pts
            (xy 0.635 0.635)
            (xy 2.54 2.54)
          )
          (stroke (width 0) (type default))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0.635 -0.635)
            (xy 2.54 -2.54)
            (xy 2.54 -2.54)
          )
          (stroke (width 0) (type default))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0.635 1.905)
            (xy 0.635 -1.905)
            (xy 0.635 -1.905)
          )
          (stroke (width 0.508) (type default))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 2.286 -1.778)
            (xy 1.778 -2.286)
            (xy 1.27 -1.27)
            (xy 2.286 -1.778)
            (xy 2.286 -1.778)
          )
          (stroke (width 0) (type default))
          (fill (type outline))
        )
        (circle (center 1.27 0) (radius 2.8194)
          (stroke (width 0.254) (type default))
          (fill (type none))
        )
      )
      (symbol "BC556_1_1"
        (pin passive line (at 2.54 5.08 270) (length 2.54)
          (name "C" (effects (font (size 1.27 1.27))))
          (number "1" (effects (font (size 1.27 1.27))))
        )
        (pin input line (at -5.08 0 0) (length 5.715)
          (name "B" (effects (font (size 1.27 1.27))))
          (number "2" (effects (font (size 1.27 1.27))))
        )
        (pin passive line (at 2.54 -5.08 90) (length 2.54)
          (name "E" (effects (font (size 1.27 1.27))))
          (number "3" (effects (font (size 1.27 1.27))))
        )
      )
    )
    (symbol "power:+24V" (power) (pin_names (offset 0)) (in_bom yes) (on_board yes)
      (property "Reference" "#PWR" (at 0 -3.81 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "Value" "+24V" (at 0 3.556 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Footprint" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "Datasheet" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_keywords" "power-flag" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "Power symbol creates a global label with name \"+24V\"" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "+24V_0_1"
        (polyline
          (pts
            (xy -0.762 1.27)
            (xy 0 2.54)
          )
          (stroke (width 0) (type default))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 0)
            (xy 0 2.54)
          )
          (stroke (width 0) (type default))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 2.54)
            (xy 0.762 1.27)
          )
          (stroke (width 0) (type default))
          (fill (type none))
        )
      )
      (symbol "+24V_1_1"
        (pin power_in line (at 0 0 90) (length 0) hide
          (name "+24V" (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" (at 0 -6.35 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "Value" "GND" (at 0 -3.81 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Footprint" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "Datasheet" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_keywords" "power-flag" (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" (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))
          (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 85.09 153.67) (diameter 0) (color 0 0 0 0)
    (uuid 078e37f4-071a-4b64-bfd4-25f5b9ada93c)
  )
  (junction (at 181.61 115.57) (diameter 0) (color 0 0 0 0)
    (uuid 2e0a9f64-1b78-4597-8d50-d12d2268a95a)
  )
  (junction (at 118.11 144.78) (diameter 0) (color 0 0 0 0)
    (uuid 4b55a09a-f938-4c40-88a1-693c082a2ad7)
  )
  (junction (at 118.11 66.04) (diameter 0) (color 0 0 0 0)
    (uuid 59cb2966-1e9c-4b3b-b3c8-7499378d8dde)
  )
  (junction (at 118.11 101.6) (diameter 0) (color 0 0 0 0)
    (uuid 5a222fb6-5159-4931-9015-19df65643140)
  )
  (junction (at 63.5 81.28) (diameter 0) (color 0 0 0 0)
    (uuid 5c7d6eaf-f256-4349-8203-d2e836872231)
  )
  (junction (at 162.56 101.6) (diameter 0) (color 0 0 0 0)
    (uuid 713e0777-58b2-4487-baca-60d0ebed27c3)
  )
  (junction (at 128.27 101.6) (diameter 0) (color 0 0 0 0)
    (uuid 7e9a1800-f41c-40df-90fc-a1cd155744fb)
  )
  (junction (at 128.27 129.54) (diameter 0) (color 0 0 0 0)
    (uuid 99b84ca9-a815-485a-a0a9-185c72f07f68)
  )
  (junction (at 81.28 101.6) (diameter 0) (color 0 0 0 0)
    (uuid b59f18ce-2e34-4b6e-b14d-8d73b8268179)
  )
  (junction (at 118.11 149.86) (diameter 0) (color 0 0 0 0)
    (uuid c33e018c-c5e1-40ee-a73f-c15baf239d2d)
  )
  (junction (at 118.11 129.54) (diameter 0) (color 0 0 0 0)
    (uuid d692b5e6-71b2-4fa6-bc83-618add8d8fef)
  )
  (junction (at 130.81 144.78) (diameter 0) (color 0 0 0 0)
    (uuid e1fea325-c834-449c-8154-e6cb4c3428aa)
  )
  (junction (at 85.09 143.51) (diameter 0) (color 0 0 0 0)
    (uuid ea891d10-8a4f-4324-a403-194a70ba9cb7)
  )
  (junction (at 162.56 129.54) (diameter 0) (color 0 0 0 0)
    (uuid f19c9655-8ddb-411a-96dd-bd986870c3c6)
  )

  (no_connect (at 85.09 144.78) (uuid 831a1552-73a8-4e5d-8f48-daebdff6a91a))
  (no_connect (at 85.09 152.4) (uuid b34a65bf-bb81-454a-a387-0b01519a2c76))

  (wire (pts (xy 96.52 144.78) (xy 95.25 144.78))
    (stroke (width 0) (type default))
    (uuid 01d2bb29-2bd5-4688-ab74-cbb22da00e7b)
  )
  (wire (pts (xy 85.09 153.67) (xy 85.09 156.21))
    (stroke (width 0) (type default))
    (uuid 05bb9f50-b5e3-4ca4-b57e-2115c6a4154f)
  )
  (wire (pts (xy 110.49 83.82) (xy 107.95 83.82))
    (stroke (width 0) (type default))
    (uuid 0fafc6b9-fd35-4a55-9270-7a8e7ce3cb13)
  )
  (polyline (pts (xy 44.45 49.53) (xy 137.16 49.53))
    (stroke (width 0) (type default))
    (uuid 0fc5db66-6188-4c1f-bb14-0868bef113eb)
  )
  (polyline (pts (xy 212.09 92.71) (xy 212.09 134.62))
    (stroke (width 0) (type default))
    (uuid 10e52e95-44f3-4059-a86d-dcda603e0623)
  )

  (wire (pts (xy 96.52 147.32) (xy 93.98 147.32))
    (stroke (width 0) (type default))
    (uuid 1267f6b0-fb6c-4eda-9c6b-0bd8953004dd)
  )
  (wire (pts (xy 120.65 66.04) (xy 118.11 66.04))
    (stroke (width 0) (type default))
    (uuid 1427bb3f-0689-4b41-a816-cd79a5202fd0)
  )
  (wire (pts (xy 93.98 143.51) (xy 93.98 147.32))
    (stroke (width 0) (type default))
    (uuid 163cd9ba-1f4f-465a-bba4-2b2bf2d4ba6e)
  )
  (wire (pts (xy 165.1 71.12) (xy 165.1 73.66))
    (stroke (width 0) (type default))
    (uuid 18ca5aef-6a2c-41ac-9e7f-bf7acb716e53)
  )
  (wire (pts (xy 102.87 152.4) (xy 102.87 168.91))
    (stroke (width 0) (type default))
    (uuid 1914509d-4e77-4d69-858a-b9693d66fe98)
  )
  (wire (pts (xy 196.85 115.57) (xy 200.66 115.57))
    (stroke (width 0) (type default))
    (uuid 195e57d0-0074-4bb2-bb6f-a30f014307f4)
  )
  (wire (pts (xy 118.11 129.54) (xy 118.11 144.78))
    (stroke (width 0) (type default))
    (uuid 1a45c129-723e-4ba8-b6c9-d577e1ec38f1)
  )
  (wire (pts (xy 148.59 101.6) (xy 128.27 101.6))
    (stroke (width 0) (type default))
    (uuid 1e48966e-d29d-4521-8939-ec8ac570431d)
  )
  (wire (pts (xy 93.98 153.67) (xy 85.09 153.67))
    (stroke (width 0) (type default))
    (uuid 2076a09d-8da8-4657-9ded-d7bd1ae0cec7)
  )
  (wire (pts (xy 85.09 143.51) (xy 93.98 143.51))
    (stroke (width 0) (type default))
    (uuid 22696a1b-3f7b-4fd5-bd13-f49f9e98c930)
  )
  (wire (pts (xy 179.07 67.31) (xy 179.07 73.66))
    (stroke (width 0) (type default))
    (uuid 235067e2-1686-40fe-a9a0-61704311b2b1)
  )
  (wire (pts (xy 95.25 140.97) (xy 85.09 140.97))
    (stroke (width 0) (type default))
    (uuid 23ccb71f-b727-4de0-90fa-3a496404a37e)
  )
  (wire (pts (xy 128.27 144.78) (xy 130.81 144.78))
    (stroke (width 0) (type default))
    (uuid 2499d19d-db2d-4379-989b-598533fa2ff8)
  )
  (wire (pts (xy 165.1 55.88) (xy 165.1 53.34))
    (stroke (width 0) (type default))
    (uuid 24b72b0d-63b8-4e06-89d0-e94dcf39a600)
  )
  (wire (pts (xy 162.56 118.11) (xy 162.56 129.54))
    (stroke (width 0) (type default))
    (uuid 269f19c3-6824-45a8-be29-fa58d70cbb42)
  )
  (wire (pts (xy 175.26 129.54) (xy 181.61 129.54))
    (stroke (width 0) (type default))
    (uuid 283c990c-ae5a-4e41-a3ad-b40ca29fe90e)
  )
  (wire (pts (xy 128.27 101.6) (xy 128.27 111.76))
    (stroke (width 0) (type default))
    (uuid 30e22497-a1d6-4c33-93b9-15b0695925a2)
  )
  (wire (pts (xy 93.98 149.86) (xy 96.52 149.86))
    (stroke (width 0) (type default))
    (uuid 31443fb2-8ace-43b7-a8e1-e581a7376596)
  )
  (polyline (pts (xy 44.45 134.62) (xy 44.45 49.53))
    (stroke (width 0) (type default))
    (uuid 31f91ec8-56e4-4e08-9ccd-012652772211)
  )

  (wire (pts (xy 130.81 152.4) (xy 130.81 154.94))
    (stroke (width 0) (type default))
    (uuid 3813341b-2955-4c44-8042-6999b7dd2da7)
  )
  (wire (pts (xy 165.1 118.11) (xy 162.56 118.11))
    (stroke (width 0) (type default))
    (uuid 38cfe839-c630-43d3-a9ec-6a89ba9e318a)
  )
  (wire (pts (xy 118.11 144.78) (xy 120.65 144.78))
    (stroke (width 0) (type default))
    (uuid 39300687-4622-4cab-b869-860f14460649)
  )
  (polyline (pts (xy 137.16 49.53) (xy 137.16 134.62))
    (stroke (width 0) (type default))
    (uuid 3d6cdd62-5634-4e30-acf8-1b9c1dbf6653)
  )

  (wire (pts (xy 93.98 149.86) (xy 93.98 153.67))
    (stroke (width 0) (type default))
    (uuid 3edbcc09-7fa5-440c-a31a-24ca44610427)
  )
  (wire (pts (xy 85.09 153.67) (xy 85.09 152.4))
    (stroke (width 0) (type default))
    (uuid 45fcbf73-9fe3-4f8c-99dc-545940ca6f6a)
  )
  (wire (pts (xy 54.61 81.28) (xy 63.5 81.28))
    (stroke (width 0) (type default))
    (uuid 4cafb73d-1ad8-4d24-acf7-63d78095ae46)
  )
  (wire (pts (xy 102.87 149.86) (xy 118.11 149.86))
    (stroke (width 0) (type default))
    (uuid 517f4964-bb82-4c23-82a6-3135cc7c24f6)
  )
  (wire (pts (xy 71.12 101.6) (xy 68.58 101.6))
    (stroke (width 0) (type default))
    (uuid 53e34696-241f-47e5-a477-f469335c8a61)
  )
  (wire (pts (xy 162.56 101.6) (xy 167.64 101.6))
    (stroke (width 0) (type default))
    (uuid 576f00e6-a1be-45d3-9b93-e26d9e0fe306)
  )
  (wire (pts (xy 181.61 115.57) (xy 189.23 115.57))
    (stroke (width 0) (type default))
    (uuid 582622a2-fad4-4737-9a80-be9fffbba8ab)
  )
  (wire (pts (xy 118.11 119.38) (xy 118.11 129.54))
    (stroke (width 0) (type default))
    (uuid 5889287d-b845-4684-b23e-663811b25d27)
  )
  (wire (pts (xy 118.11 66.04) (xy 118.11 64.77))
    (stroke (width 0) (type default))
    (uuid 590fefcc-03e7-45d6-b6c9-e51a7c3c36c4)
  )
  (wire (pts (xy 81.28 101.6) (xy 78.74 101.6))
    (stroke (width 0) (type default))
    (uuid 626679e8-6101-4722-ac57-5b8d9dab4c8b)
  )
  (wire (pts (xy 128.27 129.54) (xy 148.59 129.54))
    (stroke (width 0) (type default))
    (uuid 62f1e10d-7c47-4481-948c-4264d3f9cfe3)
  )
  (wire (pts (xy 100.33 83.82) (xy 97.79 83.82))
    (stroke (width 0) (type default))
    (uuid 66218487-e316-4467-9eba-79d4626ab24e)
  )
  (wire (pts (xy 102.87 144.78) (xy 118.11 144.78))
    (stroke (width 0) (type default))
    (uuid 66c1b220-4b83-49dd-90e5-c926f75bf2a1)
  )
  (wire (pts (xy 106.68 101.6) (xy 118.11 101.6))
    (stroke (width 0) (type default))
    (uuid 691af561-538d-4e8f-a916-26cad45eb7d6)
  )
  (wire (pts (xy 118.11 149.86) (xy 200.66 149.86))
    (stroke (width 0) (type default))
    (uuid 6a0b27b1-21b4-4aa3-b416-fa7a4a437bb6)
  )
  (wire (pts (xy 120.65 152.4) (xy 118.11 152.4))
    (stroke (width 0) (type default))
    (uuid 6cfb9aab-ce9e-4b2e-9d13-2c8c06a5a0f7)
  )
  (wire (pts (xy 128.27 119.38) (xy 128.27 129.54))
    (stroke (width 0) (type default))
    (uuid 6fb7ae0a-3718-4e37-ace4-d431e2f33bd4)
  )
  (wire (pts (xy 179.07 53.34) (xy 179.07 59.69))
    (stroke (width 0) (type default))
    (uuid 701e1517-e8cf-46f4-b538-98e721c97380)
  )
  (polyline (pts (xy 212.09 134.62) (xy 139.7 134.62))
    (stroke (width 0) (type default))
    (uuid 74f5ec08-7600-4a0b-a9e4-aae29f9ea08a)
  )

  (wire (pts (xy 175.26 101.6) (xy 181.61 101.6))
    (stroke (width 0) (type default))
    (uuid 7760a75a-d74b-4185-b34e-cbc7b2c339b6)
  )
  (wire (pts (xy 129.54 66.04) (xy 128.27 66.04))
    (stroke (width 0) (type default))
    (uuid 78f9c3d3-3556-46f6-9744-05ad54b330f0)
  )
  (wire (pts (xy 118.11 88.9) (xy 118.11 101.6))
    (stroke (width 0) (type default))
    (uuid 7ce7415d-7c22-49f6-8215-488853ccc8c6)
  )
  (wire (pts (xy 128.27 152.4) (xy 130.81 152.4))
    (stroke (width 0) (type default))
    (uuid 85d8a0c2-df4a-4825-8814-15930b2c3330)
  )
  (wire (pts (xy 118.11 129.54) (xy 106.68 129.54))
    (stroke (width 0) (type default))
    (uuid 88002554-c459-46e5-8b22-6ea6fe07fd4c)
  )
  (wire (pts (xy 129.54 67.31) (xy 129.54 66.04))
    (stroke (width 0) (type default))
    (uuid 8b7bbefd-8f78-41f8-809c-2534a5de3b39)
  )
  (wire (pts (xy 99.06 129.54) (xy 63.5 129.54))
    (stroke (width 0) (type default))
    (uuid 8cdc8ef9-532e-4bf5-9998-7213b9e692a2)
  )
  (polyline (pts (xy 193.04 118.11) (xy 215.9 129.54))
    (stroke (width 0.3) (type solid) (color 0 194 0 1))
    (uuid 92ce59e9-1919-48f3-9c29-aa1540dde63a)
  )

  (wire (pts (xy 68.58 101.6) (xy 68.58 105.41))
    (stroke (width 0) (type default))
    (uuid 9390234f-bf3f-46cd-b6a0-8a438ec76e9f)
  )
  (wire (pts (xy 95.25 156.21) (xy 95.25 152.4))
    (stroke (width 0) (type default))
    (uuid 9486dcc6-1e05-4cdc-a266-7853846d0c21)
  )
  (wire (pts (xy 181.61 115.57) (xy 181.61 129.54))
    (stroke (width 0) (type default))
    (uuid 9aaeec6e-84fe-4644-b0bc-5de24626ff48)
  )
  (wire (pts (xy 82.55 86.36) (xy 81.28 86.36))
    (stroke (width 0) (type default))
    (uuid 9f782c92-a5e8-49db-bfda-752b35522ce4)
  )
  (wire (pts (xy 162.56 129.54) (xy 167.64 129.54))
    (stroke (width 0) (type default))
    (uuid a0dee8e6-f88a-4f05-aba0-bab3aafdf2bc)
  )
  (wire (pts (xy 118.11 152.4) (xy 118.11 149.86))
    (stroke (width 0) (type default))
    (uuid a2238dcf-8e38-48de-a30c-0bb17e7a6ef5)
  )
  (wire (pts (xy 118.11 129.54) (xy 128.27 129.54))
    (stroke (width 0) (type default))
    (uuid a6738794-75ae-48a6-8949-ed8717400d71)
  )
  (wire (pts (xy 156.21 129.54) (xy 162.56 129.54))
    (stroke (width 0) (type default))
    (uuid a8fb8ee0-623f-4870-a716-ecc88f37ef9a)
  )
  (wire (pts (xy 63.5 81.28) (xy 63.5 129.54))
    (stroke (width 0) (type default))
    (uuid b13e8448-bf35-4ec0-9c70-3f2250718cc2)
  )
  (wire (pts (xy 81.28 101.6) (xy 99.06 101.6))
    (stroke (width 0) (type default))
    (uuid b7bf6e08-7978-4190-aff5-c90d967f0f9c)
  )
  (wire (pts (xy 85.09 140.97) (xy 85.09 143.51))
    (stroke (width 0) (type default))
    (uuid ba721122-a957-4725-84cb-ddfb2eb14cb5)
  )
  (polyline (pts (xy 137.16 134.62) (xy 44.45 134.62))
    (stroke (width 0) (type default))
    (uuid bb59b92a-e4d0-4b9e-82cd-26304f5c15b8)
  )
  (polyline (pts (xy 139.7 92.71) (xy 212.09 92.71))
    (stroke (width 0) (type default))
    (uuid bd793ae5-cde5-43f6-8def-1f95f35b1be6)
  )

  (wire (pts (xy 30.48 81.28) (xy 46.99 81.28))
    (stroke (width 0) (type default))
    (uuid be41ac9e-b8ba-4089-983b-b84269707f1c)
  )
  (wire (pts (xy 118.11 101.6) (xy 118.11 111.76))
    (stroke (width 0) (type default))
    (uuid be4b72db-0e02-4d9b-844a-aff689b4e648)
  )
  (wire (pts (xy 128.27 101.6) (xy 118.11 101.6))
    (stroke (width 0) (type default))
    (uuid be65994c-f837-4559-be39-148c36ddc563)
  )
  (wire (pts (xy 181.61 101.6) (xy 181.61 102.87))
    (stroke (width 0) (type default))
    (uuid c1bac86f-cbf6-4c5b-b60d-c26fa73d9c09)
  )
  (wire (pts (xy 95.25 140.97) (xy 95.25 144.78))
    (stroke (width 0) (type default))
    (uuid cbafaf42-6a42-4153-ae90-05e32eb7cf2e)
  )
  (wire (pts (xy 81.28 86.36) (xy 81.28 101.6))
    (stroke (width 0) (type default))
    (uuid ccc4cc25-ac17-45ef-825c-e079951ffb21)
  )
  (wire (pts (xy 118.11 68.58) (xy 118.11 66.04))
    (stroke (width 0) (type default))
    (uuid cf815d51-c956-4c5a-adde-c373cb025b07)
  )
  (wire (pts (xy 156.21 101.6) (xy 162.56 101.6))
    (stroke (width 0) (type default))
    (uuid d1a9be32-38ba-44e6-bc35-f031541ab1fe)
  )
  (wire (pts (xy 180.34 115.57) (xy 181.61 115.57))
    (stroke (width 0) (type default))
    (uuid d3e133b7-2c84-4206-a2b1-e693cb57fe56)
  )
  (wire (pts (xy 165.1 113.03) (xy 162.56 113.03))
    (stroke (width 0) (type default))
    (uuid da481376-0e49-44d3-91b8-aaa39b869dd1)
  )
  (wire (pts (xy 118.11 78.74) (xy 118.11 76.2))
    (stroke (width 0) (type default))
    (uuid dca1d7db-c913-4d73-a2cc-fdc9651eda69)
  )
  (wire (pts (xy 63.5 81.28) (xy 82.55 81.28))
    (stroke (width 0) (type default))
    (uuid dde8619c-5a8c-40eb-9845-65e6a654222d)
  )
  (wire (pts (xy 95.25 152.4) (xy 96.52 152.4))
    (stroke (width 0) (type default))
    (uuid deecd1cd-86af-4f9d-814c-caf9c4f4d750)
  )
  (wire (pts (xy 130.81 144.78) (xy 200.66 144.78))
    (stroke (width 0) (type default))
    (uuid e61ff09a-9a26-41f1-a47b-7a0e8279c6ee)
  )
  (polyline (pts (xy 139.7 92.71) (xy 139.7 134.62))
    (stroke (width 0) (type default))
    (uuid e70b6168-f98e-4322-bc55-500948ef7b77)
  )

  (wire (pts (xy 102.87 147.32) (xy 130.81 147.32))
    (stroke (width 0) (type default))
    (uuid efbbe88f-daee-4ec6-a363-4bec9d5a5594)
  )
  (wire (pts (xy 162.56 101.6) (xy 162.56 113.03))
    (stroke (width 0) (type default))
    (uuid f988d6ea-11c5-4837-b1d1-5c292ded50c6)
  )
  (wire (pts (xy 85.09 156.21) (xy 95.25 156.21))
    (stroke (width 0) (type default))
    (uuid fabda628-0a82-428f-a67a-5970be649946)
  )
  (wire (pts (xy 130.81 147.32) (xy 130.81 144.78))
    (stroke (width 0) (type default))
    (uuid fc4ffa69-0025-4526-94ce-71d90467f618)
  )
  (wire (pts (xy 85.09 143.51) (xy 85.09 144.78))
    (stroke (width 0) (type default))
    (uuid fd3e21a2-822e-44ee-82c6-e0c9935ed63a)
  )

  (text "for two wire connection" (at 129.54 140.97 0)
    (effects (font (size 1.27 1.27)) (justify left bottom))
    (uuid 0fb21b60-2140-4703-be20-226d54c5b6d1)
  )
  (text "Voltage over PT100" (at 213.36 144.78 0)
    (effects (font (size 1.27 1.27)) (justify left bottom))
    (uuid 142dd724-2a9f-4eea-ab21-209b1bc7ec65)
  )
  (text "Current through PT100" (at 213.36 116.84 0)
    (effects (font (size 1.27 1.27)) (justify left bottom))
    (uuid 15a82541-58d8-45b5-99c5-fb52e017e3ea)
  )
  (text "Differential Amplifier\nMeasure Voltage across R7 (220R) to determine current"
    (at 140.97 91.44 0)
    (effects (font (size 1.27 1.27)) (justify left bottom))
    (uuid 3c8d03bf-f31d-4aa0-b8db-a227ffd7d8d6)
  )
  (text "PT100 temperature sensor" (at 57.15 149.86 0)
    (effects (font (size 1.27 1.27)) (justify left bottom))
    (uuid 6b91a3ee-fdcd-4bfe-ad57-c8d5ea9903a8)
  )
  (text "current limiting resistors" (at 217.17 130.81 0)
    (effects (font (size 1.27 1.27) italic) (justify left bottom))
    (uuid 77b5f244-6b82-446a-a40a-e9729d77c73a)
  )
  (text "10 mA / V" (at 238.125 116.84 0)
    (effects (font (size 1.27 1.27) italic) (justify left bottom))
    (uuid 88f427c6-3458-4bbf-bfa8-4255b1605dcb)
  )
  (text "Current Source" (at 45.72 52.07 0)
    (effects (font (size 1.27 1.27)) (justify left bottom))
    (uuid f6983918-fe05-46ea-b355-bc522ec53440)
  )

  (label "Iout" (at 118.11 134.62 90) (fields_autoplaced)
    (effects (font (size 1.27 1.27)) (justify left bottom))
    (uuid f44d04c5-0d17-4d52-8328-ef3b4fdfba5f)
  )

  (hierarchical_label "ISET" (shape input) (at 30.48 81.28 180) (fields_autoplaced)
    (effects (font (size 1.27 1.27)) (justify right))
    (uuid 44646447-0a8e-4aec-a74e-22bf765d0f33)
  )
  (hierarchical_label "IMEAS" (shape output) (at 200.66 115.57 0) (fields_autoplaced)
    (effects (font (size 1.27 1.27)) (justify left))
    (uuid 49575217-40b0-4890-8acf-12982cca52b5)
  )
  (hierarchical_label "UMEAS_P" (shape output) (at 200.66 144.78 0) (fields_autoplaced)
    (effects (font (size 1.27 1.27)) (justify left))
    (uuid 6f580eb1-88cc-489d-a7ca-9efa5e590715)
  )
  (hierarchical_label "UMEAS_N" (shape output) (at 200.66 149.86 0) (fields_autoplaced)
    (effects (font (size 1.27 1.27)) (justify left))
    (uuid ee011034-2fc7-4202-9fb1-b69991b77080)
  )

  (symbol (lib_id "Amplifier_Operational:LT1492") (at 90.17 83.82 0) (mirror x) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid 00000000-0000-0000-0000-00006062a34a)
    (property "Reference" "U1" (at 90.17 93.1418 0)
      (effects (font (size 1.27 1.27)))
    )
    (property "Value" "LT1492" (at 90.17 90.8304 0)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "Package_SO:SOIC-8_3.9x4.9mm_P1.27mm" (at 90.17 83.82 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "https://www.analog.com/media/en/technical-documentation/data-sheets/14923f.pdf" (at 90.17 83.82 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 7374d825-d6c9-4565-9cd9-8a3c27145ee7))
    (pin "2" (uuid 643d8d48-d6c0-465f-b2f0-8ceb95e35f35))
    (pin "3" (uuid 58ad491d-39be-4c58-85bc-4ea42d0f2726))
    (pin "5" (uuid 00fe53d0-109b-4a3e-850d-a3b95d2452c0))
    (pin "6" (uuid 5023bc5f-4890-4bf8-a3f2-92826ff0351a))
    (pin "7" (uuid fbde9902-5cfe-4bdc-aa09-4d34bfac258f))
    (pin "4" (uuid 2f2ddc62-fce8-4c70-bfe1-b9f41ca29a69))
    (pin "8" (uuid fc033733-c4ed-4bd3-b042-b8474e9321b6))
    (instances
      (project "OpenFlowMeter"
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006062503a"
          (reference "U1") (unit 1)
        )
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006065743c"
          (reference "U6") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "Amplifier_Operational:LT1492") (at 172.72 115.57 0) (unit 2)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid 00000000-0000-0000-0000-00006062d843)
    (property "Reference" "U1" (at 172.72 106.2482 0)
      (effects (font (size 1.27 1.27)))
    )
    (property "Value" "LT1492" (at 172.72 108.5596 0)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "Package_SO:SOIC-8_3.9x4.9mm_P1.27mm" (at 172.72 115.57 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "https://www.analog.com/media/en/technical-documentation/data-sheets/14923f.pdf" (at 172.72 115.57 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid c4b9542d-be30-462c-8383-abe7812ee69b))
    (pin "2" (uuid cc3c05d1-4378-4b86-b31e-e5896c1b3273))
    (pin "3" (uuid fe18bbf9-22ab-4460-a518-e002353cdead))
    (pin "5" (uuid f21a2c3b-3754-4d5f-9b26-191ad8769b23))
    (pin "6" (uuid c06b07a5-81e8-4fba-b75f-eafa053e1406))
    (pin "7" (uuid f27a0a1a-93ad-49f4-89fe-1730de977ec9))
    (pin "4" (uuid 1ee82b37-4710-4bda-a812-0d6e4f6a15e8))
    (pin "8" (uuid 6ab17920-5fd0-418e-ae94-4332662817ae))
    (instances
      (project "OpenFlowMeter"
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006062503a"
          (reference "U1") (unit 2)
        )
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006065743c"
          (reference "U6") (unit 2)
        )
      )
    )
  )

  (symbol (lib_id "Amplifier_Operational:LT1492") (at 167.64 63.5 0) (unit 3)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid 00000000-0000-0000-0000-00006062f4d0)
    (property "Reference" "U1" (at 166.5732 62.3316 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Value" "LT1492" (at 166.5732 64.643 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Footprint" "Package_SO:SOIC-8_3.9x4.9mm_P1.27mm" (at 167.64 63.5 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "https://www.analog.com/media/en/technical-documentation/data-sheets/14923f.pdf" (at 167.64 63.5 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid db3ae90d-be38-4a8e-a0d8-c7d5d17d9797))
    (pin "2" (uuid de268b8d-d619-40c0-ae16-9603e1c24f1c))
    (pin "3" (uuid 43967430-6e11-4e1a-a880-a9371c54a2a3))
    (pin "5" (uuid 5130323c-0917-49e6-81f5-0960529a6a39))
    (pin "6" (uuid 2d792106-8127-42ab-8c9c-78181e42789a))
    (pin "7" (uuid 0eb840e5-7343-41fe-8a43-e706a2441850))
    (pin "4" (uuid eae6cb64-c798-40f3-b4c3-dcefb9e0714c))
    (pin "8" (uuid da65d86f-f94d-4db5-8413-9b29c5e2c0d0))
    (instances
      (project "OpenFlowMeter"
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006062503a"
          (reference "U1") (unit 3)
        )
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006065743c"
          (reference "U6") (unit 3)
        )
      )
    )
  )

  (symbol (lib_id "Device:R") (at 50.8 81.28 270) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid 00000000-0000-0000-0000-0000606351db)
    (property "Reference" "R1" (at 50.8 76.0222 90)
      (effects (font (size 1.27 1.27)))
    )
    (property "Value" "1k" (at 50.8 78.3336 90)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "Resistor_SMD:R_0603_1608Metric" (at 50.8 79.502 90)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (at 50.8 81.28 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid f966bd40-ad57-4859-879e-29efa0ab381a))
    (pin "2" (uuid 25cc41a9-eecc-4886-a626-06cc11440132))
    (instances
      (project "OpenFlowMeter"
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006062503a"
          (reference "R1") (unit 1)
        )
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006065743c"
          (reference "R15") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "Device:R") (at 102.87 129.54 270) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid 00000000-0000-0000-0000-000060637f6b)
    (property "Reference" "R4" (at 102.87 124.2822 90)
      (effects (font (size 1.27 1.27)))
    )
    (property "Value" "47k" (at 102.87 126.5936 90)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "Resistor_SMD:R_0603_1608Metric" (at 102.87 127.762 90)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (at 102.87 129.54 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 4274703b-d396-45c5-96ee-a41e4dd6482a))
    (pin "2" (uuid 9fa29605-a205-4d02-8972-d6b74d0868ca))
    (instances
      (project "OpenFlowMeter"
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006062503a"
          (reference "R4") (unit 1)
        )
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006065743c"
          (reference "R18") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "Device:R") (at 118.11 72.39 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid 00000000-0000-0000-0000-00006063aea7)
    (property "Reference" "R6" (at 119.888 71.2216 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Value" "47" (at 119.888 73.533 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Footprint" "Resistor_SMD:R_0603_1608Metric" (at 116.332 72.39 90)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (at 118.11 72.39 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 769938af-32ec-4344-b107-6d7019761be5))
    (pin "2" (uuid 74f0aa92-455b-4dbd-ade7-3218bafa449b))
    (instances
      (project "OpenFlowMeter"
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006062503a"
          (reference "R6") (unit 1)
        )
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006065743c"
          (reference "R20") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "Device:R") (at 104.14 83.82 270) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid 00000000-0000-0000-0000-000060641750)
    (property "Reference" "R5" (at 104.14 78.5622 90)
      (effects (font (size 1.27 1.27)))
    )
    (property "Value" "100" (at 104.14 80.8736 90)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "Resistor_SMD:R_0603_1608Metric" (at 104.14 82.042 90)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (at 104.14 83.82 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 7dcd1032-9993-4805-8941-c3b53499fe01))
    (pin "2" (uuid 1b9288e7-b3fe-4e44-b1cd-ecad3264aa52))
    (instances
      (project "OpenFlowMeter"
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006062503a"
          (reference "R5") (unit 1)
        )
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006065743c"
          (reference "R19") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "Device:R") (at 118.11 115.57 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid 00000000-0000-0000-0000-000060643053)
    (property "Reference" "R7" (at 119.888 114.4016 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Value" "220" (at 119.888 116.713 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Footprint" "Resistor_SMD:R_0603_1608Metric" (at 116.332 115.57 90)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (at 118.11 115.57 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 7ab463fb-8cc0-42c4-aca5-c93fdea88e6b))
    (pin "2" (uuid f958d197-ce80-463e-b85f-6a5612c797a4))
    (instances
      (project "OpenFlowMeter"
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006062503a"
          (reference "R7") (unit 1)
        )
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006065743c"
          (reference "R21") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "Device:R") (at 102.87 101.6 270) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid 00000000-0000-0000-0000-0000606438be)
    (property "Reference" "R3" (at 102.87 96.3422 90)
      (effects (font (size 1.27 1.27)))
    )
    (property "Value" "100k" (at 102.87 98.6536 90)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "Resistor_SMD:R_0603_1608Metric" (at 102.87 99.822 90)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (at 102.87 101.6 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid c4a31867-d2a5-4d0c-a9e6-6248294ddb25))
    (pin "2" (uuid 7274cfe9-3a44-480a-84f8-ab4fae60897d))
    (instances
      (project "OpenFlowMeter"
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006062503a"
          (reference "R3") (unit 1)
        )
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006065743c"
          (reference "R17") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "Device:R") (at 74.93 101.6 270) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid 00000000-0000-0000-0000-000060643c16)
    (property "Reference" "R2" (at 74.93 96.3422 90)
      (effects (font (size 1.27 1.27)))
    )
    (property "Value" "47k" (at 74.93 98.6536 90)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "Resistor_SMD:R_0603_1608Metric" (at 74.93 99.822 90)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (at 74.93 101.6 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid e781a452-d72f-4b1b-8c57-786218384e87))
    (pin "2" (uuid c5f73c17-1b03-4e33-96ee-e382393bf069))
    (instances
      (project "OpenFlowMeter"
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006062503a"
          (reference "R2") (unit 1)
        )
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006065743c"
          (reference "R16") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "power:GND") (at 68.58 105.41 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid 00000000-0000-0000-0000-000060648385)
    (property "Reference" "#PWR02" (at 68.58 111.76 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "GND" (at 68.707 109.8042 0)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "" (at 68.58 105.41 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (at 68.58 105.41 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 0a457752-0313-49f4-873c-929e153bfc9e))
    (instances
      (project "OpenFlowMeter"
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006062503a"
          (reference "#PWR02") (unit 1)
        )
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006065743c"
          (reference "#PWR0101") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "power:+24V") (at 118.11 64.77 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid 00000000-0000-0000-0000-00006064a443)
    (property "Reference" "#PWR03" (at 118.11 68.58 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "+24V" (at 118.491 60.3758 0)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "" (at 118.11 64.77 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (at 118.11 64.77 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 43c06dcc-44c7-47da-afac-32f5b37d69b2))
    (instances
      (project "OpenFlowMeter"
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006062503a"
          (reference "#PWR03") (unit 1)
        )
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006065743c"
          (reference "#PWR0103") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "power:+24V") (at 165.1 53.34 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid 00000000-0000-0000-0000-00006064effe)
    (property "Reference" "#PWR05" (at 165.1 57.15 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "+24V" (at 165.481 48.9458 0)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "" (at 165.1 53.34 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (at 165.1 53.34 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 7bba4360-0b90-4aaf-9fed-4f7961efe14b))
    (instances
      (project "OpenFlowMeter"
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006062503a"
          (reference "#PWR05") (unit 1)
        )
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006065743c"
          (reference "#PWR0104") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "power:GND") (at 165.1 73.66 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid 00000000-0000-0000-0000-00006064f96c)
    (property "Reference" "#PWR06" (at 165.1 80.01 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "GND" (at 165.227 78.0542 0)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "" (at 165.1 73.66 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (at 165.1 73.66 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 6b5face2-799c-4f45-971a-07ec27b428bd))
    (instances
      (project "OpenFlowMeter"
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006062503a"
          (reference "#PWR06") (unit 1)
        )
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006065743c"
          (reference "#PWR0105") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "Device:R") (at 152.4 101.6 270) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid 00000000-0000-0000-0000-00006065171c)
    (property "Reference" "R9" (at 152.4 96.3422 90)
      (effects (font (size 1.27 1.27)))
    )
    (property "Value" "22k" (at 152.4 98.6536 90)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "Resistor_SMD:R_0603_1608Metric" (at 152.4 99.822 90)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (at 152.4 101.6 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid f385b3ef-7893-4958-a8b6-50d41c44e00b))
    (pin "2" (uuid 3dc5735e-34ce-4c21-9b2f-2dd31bf6f051))
    (instances
      (project "OpenFlowMeter"
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006062503a"
          (reference "R9") (unit 1)
        )
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006065743c"
          (reference "R23") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "Device:R") (at 152.4 129.54 270) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid 00000000-0000-0000-0000-000060651d66)
    (property "Reference" "R10" (at 152.4 124.2822 90)
      (effects (font (size 1.27 1.27)))
    )
    (property "Value" "22k" (at 152.4 126.5936 90)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "Resistor_SMD:R_0603_1608Metric" (at 152.4 127.762 90)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (at 152.4 129.54 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 3282a147-3b33-480c-a0a5-0a00a314c7d9))
    (pin "2" (uuid 8acad46d-a329-456f-9280-20b442139871))
    (instances
      (project "OpenFlowMeter"
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006062503a"
          (reference "R10") (unit 1)
        )
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006065743c"
          (reference "R24") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "Device:R") (at 171.45 101.6 270) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid 00000000-0000-0000-0000-0000606563af)
    (property "Reference" "R11" (at 171.45 96.3422 90)
      (effects (font (size 1.27 1.27)))
    )
    (property "Value" "10k" (at 171.45 98.6536 90)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "Resistor_SMD:R_0603_1608Metric" (at 171.45 99.822 90)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (at 171.45 101.6 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid d41bb0e8-c152-4c5a-a243-db5a84db14ad))
    (pin "2" (uuid b2215bf6-17fa-4ac4-a939-088f0fe29247))
    (instances
      (project "OpenFlowMeter"
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006062503a"
          (reference "R11") (unit 1)
        )
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006065743c"
          (reference "R25") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "Device:R") (at 171.45 129.54 270) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid 00000000-0000-0000-0000-0000606569b9)
    (property "Reference" "R12" (at 171.45 124.2822 90)
      (effects (font (size 1.27 1.27)))
    )
    (property "Value" "10k" (at 171.45 126.5936 90)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "Resistor_SMD:R_0603_1608Metric" (at 171.45 127.762 90)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (at 171.45 129.54 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 8c07b495-5bff-4b3e-a7f2-649b0811fedc))
    (pin "2" (uuid 5ab70ec2-62a3-41fd-87e4-e9705e2957fa))
    (instances
      (project "OpenFlowMeter"
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006062503a"
          (reference "R12") (unit 1)
        )
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006065743c"
          (reference "R26") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "power:GND") (at 181.61 102.87 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid 00000000-0000-0000-0000-000060661cc8)
    (property "Reference" "#PWR07" (at 181.61 109.22 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "GND" (at 181.737 107.2642 0)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "" (at 181.61 102.87 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (at 181.61 102.87 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid bb9e1122-2d89-4418-a63a-837d052d3ca5))
    (instances
      (project "OpenFlowMeter"
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006062503a"
          (reference "#PWR07") (unit 1)
        )
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006065743c"
          (reference "#PWR0106") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "Device:C") (at 179.07 63.5 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid 00000000-0000-0000-0000-000061b35f5f)
    (property "Reference" "C2" (at 181.991 62.3316 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Value" "100n 50V" (at 181.991 64.643 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Footprint" "Capacitor_SMD:C_0603_1608Metric" (at 180.0352 67.31 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (at 179.07 63.5 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid b3bd1088-6c75-474a-84dc-cb37e5d1d3c2))
    (pin "2" (uuid a10090d0-8b56-4b47-98d2-1cca9bdc3f84))
    (instances
      (project "OpenFlowMeter"
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006062503a"
          (reference "C2") (unit 1)
        )
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006065743c"
          (reference "C4") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "Device:C") (at 124.46 66.04 90) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid 00000000-0000-0000-0000-000061b370db)
    (property "Reference" "C1" (at 123.2916 63.119 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Value" "100n 50V" (at 125.603 63.119 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Footprint" "Capacitor_SMD:C_0603_1608Metric" (at 128.27 65.0748 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (at 124.46 66.04 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 377d817f-c848-48eb-ac29-2aeb5d9261ac))
    (pin "2" (uuid 37322642-a9e8-4b7a-994e-382297571ca4))
    (instances
      (project "OpenFlowMeter"
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006062503a"
          (reference "C1") (unit 1)
        )
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006065743c"
          (reference "C3") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "power:GND") (at 129.54 67.31 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid 00000000-0000-0000-0000-000061b382ba)
    (property "Reference" "#PWR011" (at 129.54 73.66 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "GND" (at 129.667 71.7042 0)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "" (at 129.54 67.31 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (at 129.54 67.31 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 513d4cfb-e298-45c3-a15e-114c54b1f77d))
    (instances
      (project "OpenFlowMeter"
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006062503a"
          (reference "#PWR011") (unit 1)
        )
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006065743c"
          (reference "#PWR014") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "power:GND") (at 179.07 73.66 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid 00000000-0000-0000-0000-000061b3d753)
    (property "Reference" "#PWR013" (at 179.07 80.01 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "GND" (at 179.197 78.0542 0)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "" (at 179.07 73.66 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (at 179.07 73.66 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid d82c7372-b309-465a-a183-58a5c58fb2d4))
    (instances
      (project "OpenFlowMeter"
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006062503a"
          (reference "#PWR013") (unit 1)
        )
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006065743c"
          (reference "#PWR016") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "power:+24V") (at 179.07 53.34 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid 00000000-0000-0000-0000-000061b3e911)
    (property "Reference" "#PWR012" (at 179.07 57.15 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "+24V" (at 179.451 48.9458 0)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "" (at 179.07 53.34 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (at 179.07 53.34 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid a7d78f32-7cd7-4b75-bc25-0027131fa695))
    (instances
      (project "OpenFlowMeter"
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006062503a"
          (reference "#PWR012") (unit 1)
        )
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006065743c"
          (reference "#PWR015") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "Sensor_Temperature:PT100") (at 85.09 148.59 0) (unit 1)
    (in_bom no) (on_board no) (dnp no) (fields_autoplaced)
    (uuid 0674ac63-75bc-4e7a-b976-b8ffbfdc3012)
    (property "Reference" "TH2" (at 87.63 148.2725 0)
      (effects (font (size 1.27 1.27)) (justify left) hide)
    )
    (property "Value" "PT100" (at 87.63 150.8125 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Footprint" "" (at 85.09 147.32 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "https://www.heraeus.com/media/media/group/doc_group/products_1/hst/sot_to/de_15/to_92_d.pdf" (at 85.09 147.32 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Sim.Enable" "0" (at 85.09 148.59 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid aec4259a-a00e-417c-bcfb-b13dc23ae1b5))
    (pin "2" (uuid 13e13ff6-eb02-4a6a-b649-a1724ec9cdd7))
    (instances
      (project "OpenFlowMeter"
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006065743c"
          (reference "TH2") (unit 1)
        )
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006062503a"
          (reference "TH1") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "power:GND") (at 130.81 154.94 0) (mirror y) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid 2bb146c4-bbcf-47a7-a553-3337b92991c8)
    (property "Reference" "#PWR0102" (at 130.81 161.29 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "GND" (at 130.683 159.3342 0)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "" (at 130.81 154.94 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (at 130.81 154.94 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 76b78a16-7bd9-48c0-8640-79bf86cd803c))
    (instances
      (project "OpenFlowMeter"
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006062503a"
          (reference "#PWR0102") (unit 1)
        )
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006065743c"
          (reference "#PWR0107") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "Device:R") (at 193.04 115.57 270) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid 5c04f4fc-2196-46f0-a4d5-92171f09cb2c)
    (property "Reference" "R40" (at 193.04 110.3122 90)
      (effects (font (size 1.27 1.27)))
    )
    (property "Value" "56k" (at 193.04 112.6236 90)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "Resistor_SMD:R_0603_1608Metric" (at 193.04 113.792 90)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (at 193.04 115.57 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 6abd824c-05de-4de7-a5a3-bf205909addd))
    (pin "2" (uuid d6a0116d-2b94-48a2-a66a-d069f0effc47))
    (instances
      (project "OpenFlowMeter"
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006062503a"
          (reference "R40") (unit 1)
        )
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006065743c"
          (reference "R39") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "Device:R") (at 124.46 152.4 270) (unit 1)
    (in_bom no) (on_board yes) (dnp yes) (fields_autoplaced)
    (uuid 75df4664-c7f2-4d53-b3ec-3f25740ffff1)
    (property "Reference" "R27" (at 124.46 156.21 90)
      (effects (font (size 1.27 1.27)))
    )
    (property "Value" "0" (at 124.46 158.75 90)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "Resistor_SMD:R_0603_1608Metric" (at 124.46 150.622 90)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (at 124.46 152.4 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid b6bd62cc-891b-4056-98aa-1c67c9674ed8))
    (pin "2" (uuid 09d90e81-d3ee-4661-b5e9-bca45d6cd771))
    (instances
      (project "OpenFlowMeter"
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006062503a"
          (reference "R27") (unit 1)
        )
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006065743c"
          (reference "R28") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "Transistor_BJT:BC556") (at 115.57 83.82 0) (mirror x) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (uuid 94b26cb1-1b0f-43b7-b33e-422b757c5101)
    (property "Reference" "Q2" (at 120.4214 82.9115 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Value" "BC556" (at 120.4214 85.6866 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Footprint" "Package_TO_SOT_THT:TO-92_Inline" (at 120.65 81.915 0)
      (effects (font (size 1.27 1.27) italic) (justify left) hide)
    )
    (property "Datasheet" "https://www.onsemi.com/pub/Collateral/BC556BTA-D.pdf" (at 115.57 83.82 0)
      (effects (font (size 1.27 1.27)) (justify left) hide)
    )
    (pin "1" (uuid c2ed39b6-c0d7-4250-af31-76f2e8efc679))
    (pin "2" (uuid fa29dffc-8648-4853-8670-f62fb858a010))
    (pin "3" (uuid 7904edff-a518-4ea3-b817-d00665db3985))
    (instances
      (project "OpenFlowMeter"
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006062503a"
          (reference "Q2") (unit 1)
        )
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006065743c"
          (reference "Q1") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "power:GND") (at 102.87 168.91 0) (mirror y) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid 9a58f427-d74a-4fe0-9168-e692f0f1ad25)
    (property "Reference" "#PWR098" (at 102.87 175.26 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "GND" (at 102.743 173.3042 0)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "" (at 102.87 168.91 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (at 102.87 168.91 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 5ab3854c-5350-4a06-83d7-0ccc459ee31d))
    (instances
      (project "OpenFlowMeter"
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006062503a"
          (reference "#PWR098") (unit 1)
        )
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006065743c"
          (reference "#PWR099") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "Connector:Screw_Terminal_01x04") (at 97.79 149.86 180) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid e56fefd1-3b8d-432a-9afa-0bae7c803232)
    (property "Reference" "J2" (at 97.79 157.48 0)
      (effects (font (size 1.27 1.27)))
    )
    (property "Value" "Screw_Terminal_01x04" (at 85.09 158.75 0)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "Connector_Wago:Wago_733-364_1x04_P2.50mm_Horizontal" (at 97.79 149.86 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (at 97.79 149.86 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 7c8dea92-b36c-49fa-b841-951711f4a138))
    (pin "2" (uuid b48e424a-831d-4a7f-86b6-faafd98dc51e))
    (pin "3" (uuid 7ac1c272-0679-4f30-a88e-4d81b132e6d4))
    (pin "4" (uuid daf7528a-b6d1-4849-a3a6-1f84e9086663))
    (instances
      (project "OpenFlowMeter"
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006065743c"
          (reference "J2") (unit 1)
        )
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006062503a"
          (reference "J1") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "Device:R") (at 124.46 144.78 270) (unit 1)
    (in_bom no) (on_board yes) (dnp yes)
    (uuid e98026a6-eea5-4b77-b24b-f80e68fb1a3b)
    (property "Reference" "R66" (at 124.46 139.5222 90)
      (effects (font (size 1.27 1.27)))
    )
    (property "Value" "0" (at 124.46 141.8336 90)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "Resistor_SMD:R_0603_1608Metric" (at 124.46 143.002 90)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (at 124.46 144.78 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid df8013ad-0d48-4bc0-9753-f5003d297905))
    (pin "2" (uuid 79705e4f-e5fc-44ff-86a6-ca301d898c6a))
    (instances
      (project "OpenFlowMeter"
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006062503a"
          (reference "R66") (unit 1)
        )
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006065743c"
          (reference "R67") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "Device:C") (at 128.27 115.57 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid ef03cd33-4824-474a-96dc-7b6e757b230c)
    (property "Reference" "C29" (at 131.191 114.4016 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Value" "100n" (at 131.191 116.713 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Footprint" "Capacitor_SMD:C_0603_1608Metric" (at 129.2352 119.38 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (at 128.27 115.57 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 0b219d7b-46b8-4059-a8eb-eb1cb7911d6c))
    (pin "2" (uuid ebdc5608-8877-4853-8afc-12eb95545037))
    (instances
      (project "OpenFlowMeter"
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006062503a"
          (reference "C29") (unit 1)
        )
        (path "/25e5aa8e-2696-44a3-8d3c-c2c53f2923cf/00000000-0000-0000-0000-00006065743c"
          (reference "C28") (unit 1)
        )
      )
    )
  )
)