maiana/latest/CAD/NMEA2000Breakout/Rev8.1/mcu.kicad_sch

(kicad_sch (version 20230121) (generator eeschema)

  (uuid 5fedfe40-3d61-4967-9647-ceeeeb434b01)

  (paper "A4")

  (title_block
    (title "MAIANA NMEA2000 Adapter")
    (date "2023-09-23")
    (rev "8")
    (company "Maverick Labs LLC")
  )

  (lib_symbols
    (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 "MCU_ST_STM32L4:STM32L432KBUx" (in_bom yes) (on_board yes)
      (property "Reference" "U" (at -10.16 24.13 0)
        (effects (font (size 1.27 1.27)) (justify left))
      )
      (property "Value" "STM32L432KBUx" (at 5.08 24.13 0)
        (effects (font (size 1.27 1.27)) (justify left))
      )
      (property "Footprint" "Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.45x3.45mm" (at -10.16 -22.86 0)
        (effects (font (size 1.27 1.27)) (justify right) hide)
      )
      (property "Datasheet" "https://www.st.com/resource/en/datasheet/stm32l432kb.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" "Arm Cortex-M4 STM32L4 STM32L4x2" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "STMicroelectronics Arm Cortex-M4 MCU, 128KB flash, 64KB RAM, 80 MHz, 1.71-3.6V, 26 GPIO, UFQFPN32" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_fp_filters" "QFN*1EP*5x5mm*P0.5mm*" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "STM32L432KBUx_0_1"
        (rectangle (start -10.16 -22.86) (end 10.16 22.86)
          (stroke (width 0.254) (type default))
          (fill (type background))
        )
      )
      (symbol "STM32L432KBUx_1_1"
        (pin power_in line (at -2.54 25.4 270) (length 2.54)
          (name "VDD" (effects (font (size 1.27 1.27))))
          (number "1" (effects (font (size 1.27 1.27))))
        )
        (pin bidirectional line (at 12.7 10.16 180) (length 2.54)
          (name "PA4" (effects (font (size 1.27 1.27))))
          (number "10" (effects (font (size 1.27 1.27))))
          (alternate "ADC1_IN9" bidirectional line)
          (alternate "COMP1_INM" bidirectional line)
          (alternate "COMP2_INM" bidirectional line)
          (alternate "DAC1_OUT1" bidirectional line)
          (alternate "LPTIM2_OUT" bidirectional line)
          (alternate "SAI1_FS_B" bidirectional line)
          (alternate "SPI1_NSS" bidirectional line)
          (alternate "SPI3_NSS" bidirectional line)
          (alternate "USART2_CK" bidirectional line)
        )
        (pin bidirectional line (at 12.7 7.62 180) (length 2.54)
          (name "PA5" (effects (font (size 1.27 1.27))))
          (number "11" (effects (font (size 1.27 1.27))))
          (alternate "ADC1_IN10" bidirectional line)
          (alternate "COMP1_INM" bidirectional line)
          (alternate "COMP2_INM" bidirectional line)
          (alternate "DAC1_OUT2" bidirectional line)
          (alternate "LPTIM2_ETR" bidirectional line)
          (alternate "SPI1_SCK" bidirectional line)
          (alternate "TIM2_CH1" bidirectional line)
          (alternate "TIM2_ETR" bidirectional line)
        )
        (pin bidirectional line (at 12.7 5.08 180) (length 2.54)
          (name "PA6" (effects (font (size 1.27 1.27))))
          (number "12" (effects (font (size 1.27 1.27))))
          (alternate "ADC1_IN11" bidirectional line)
          (alternate "COMP1_OUT" bidirectional line)
          (alternate "LPUART1_CTS" bidirectional line)
          (alternate "QUADSPI_BK1_IO3" bidirectional line)
          (alternate "SPI1_MISO" bidirectional line)
          (alternate "TIM16_CH1" bidirectional line)
          (alternate "TIM1_BKIN" bidirectional line)
          (alternate "TIM1_BKIN_COMP2" bidirectional line)
        )
        (pin bidirectional line (at 12.7 2.54 180) (length 2.54)
          (name "PA7" (effects (font (size 1.27 1.27))))
          (number "13" (effects (font (size 1.27 1.27))))
          (alternate "ADC1_IN12" bidirectional line)
          (alternate "COMP2_OUT" bidirectional line)
          (alternate "I2C3_SCL" bidirectional line)
          (alternate "QUADSPI_BK1_IO2" bidirectional line)
          (alternate "SPI1_MOSI" bidirectional line)
          (alternate "TIM1_CH1N" bidirectional line)
        )
        (pin bidirectional line (at -12.7 2.54 0) (length 2.54)
          (name "PB0" (effects (font (size 1.27 1.27))))
          (number "14" (effects (font (size 1.27 1.27))))
          (alternate "ADC1_IN15" bidirectional line)
          (alternate "COMP1_OUT" bidirectional line)
          (alternate "QUADSPI_BK1_IO1" bidirectional line)
          (alternate "SAI1_EXTCLK" bidirectional line)
          (alternate "SPI1_NSS" bidirectional line)
          (alternate "TIM1_CH2N" bidirectional line)
        )
        (pin bidirectional line (at -12.7 0 0) (length 2.54)
          (name "PB1" (effects (font (size 1.27 1.27))))
          (number "15" (effects (font (size 1.27 1.27))))
          (alternate "ADC1_IN16" bidirectional line)
          (alternate "COMP1_INM" bidirectional line)
          (alternate "LPTIM2_IN1" bidirectional line)
          (alternate "LPUART1_DE" bidirectional line)
          (alternate "LPUART1_RTS" bidirectional line)
          (alternate "QUADSPI_BK1_IO0" bidirectional line)
          (alternate "TIM1_CH3N" bidirectional line)
        )
        (pin power_in line (at 0 -25.4 90) (length 2.54)
          (name "VSS" (effects (font (size 1.27 1.27))))
          (number "16" (effects (font (size 1.27 1.27))))
        )
        (pin power_in line (at 0 25.4 270) (length 2.54)
          (name "VDD" (effects (font (size 1.27 1.27))))
          (number "17" (effects (font (size 1.27 1.27))))
        )
        (pin bidirectional line (at 12.7 0 180) (length 2.54)
          (name "PA8" (effects (font (size 1.27 1.27))))
          (number "18" (effects (font (size 1.27 1.27))))
          (alternate "LPTIM2_OUT" bidirectional line)
          (alternate "RCC_MCO" bidirectional line)
          (alternate "SAI1_SCK_A" bidirectional line)
          (alternate "SWPMI1_IO" bidirectional line)
          (alternate "TIM1_CH1" bidirectional line)
          (alternate "USART1_CK" bidirectional line)
        )
        (pin bidirectional line (at 12.7 -2.54 180) (length 2.54)
          (name "PA9" (effects (font (size 1.27 1.27))))
          (number "19" (effects (font (size 1.27 1.27))))
          (alternate "DAC1_EXTI9" bidirectional line)
          (alternate "I2C1_SCL" bidirectional line)
          (alternate "SAI1_FS_A" bidirectional line)
          (alternate "TIM15_BKIN" bidirectional line)
          (alternate "TIM1_CH2" bidirectional line)
          (alternate "USART1_TX" bidirectional line)
        )
        (pin bidirectional line (at -12.7 10.16 0) (length 2.54)
          (name "PC14" (effects (font (size 1.27 1.27))))
          (number "2" (effects (font (size 1.27 1.27))))
          (alternate "RCC_OSC32_IN" bidirectional line)
        )
        (pin bidirectional line (at 12.7 -5.08 180) (length 2.54)
          (name "PA10" (effects (font (size 1.27 1.27))))
          (number "20" (effects (font (size 1.27 1.27))))
          (alternate "CRS_SYNC" bidirectional line)
          (alternate "I2C1_SDA" bidirectional line)
          (alternate "SAI1_SD_A" bidirectional line)
          (alternate "TIM1_CH3" bidirectional line)
          (alternate "USART1_RX" bidirectional line)
        )
        (pin bidirectional line (at 12.7 -7.62 180) (length 2.54)
          (name "PA11" (effects (font (size 1.27 1.27))))
          (number "21" (effects (font (size 1.27 1.27))))
          (alternate "ADC1_EXTI11" bidirectional line)
          (alternate "CAN1_RX" bidirectional line)
          (alternate "COMP1_OUT" bidirectional line)
          (alternate "SPI1_MISO" bidirectional line)
          (alternate "TIM1_BKIN2" bidirectional line)
          (alternate "TIM1_BKIN2_COMP1" bidirectional line)
          (alternate "TIM1_CH4" bidirectional line)
          (alternate "USART1_CTS" bidirectional line)
          (alternate "USB_DM" bidirectional line)
        )
        (pin bidirectional line (at 12.7 -10.16 180) (length 2.54)
          (name "PA12" (effects (font (size 1.27 1.27))))
          (number "22" (effects (font (size 1.27 1.27))))
          (alternate "CAN1_TX" bidirectional line)
          (alternate "SPI1_MOSI" bidirectional line)
          (alternate "TIM1_ETR" bidirectional line)
          (alternate "USART1_DE" bidirectional line)
          (alternate "USART1_RTS" bidirectional line)
          (alternate "USB_DP" bidirectional line)
        )
        (pin bidirectional line (at 12.7 -12.7 180) (length 2.54)
          (name "PA13" (effects (font (size 1.27 1.27))))
          (number "23" (effects (font (size 1.27 1.27))))
          (alternate "IR_OUT" bidirectional line)
          (alternate "SAI1_SD_B" bidirectional line)
          (alternate "SWPMI1_TX" bidirectional line)
          (alternate "SYS_JTMS-SWDIO" bidirectional line)
          (alternate "USB_NOE" bidirectional line)
        )
        (pin bidirectional line (at 12.7 -15.24 180) (length 2.54)
          (name "PA14" (effects (font (size 1.27 1.27))))
          (number "24" (effects (font (size 1.27 1.27))))
          (alternate "I2C1_SMBA" bidirectional line)
          (alternate "LPTIM1_OUT" bidirectional line)
          (alternate "SAI1_FS_B" bidirectional line)
          (alternate "SWPMI1_RX" bidirectional line)
          (alternate "SYS_JTCK-SWCLK" bidirectional line)
        )
        (pin bidirectional line (at 12.7 -17.78 180) (length 2.54)
          (name "PA15" (effects (font (size 1.27 1.27))))
          (number "25" (effects (font (size 1.27 1.27))))
          (alternate "ADC1_EXTI15" bidirectional line)
          (alternate "SPI1_NSS" bidirectional line)
          (alternate "SPI3_NSS" bidirectional line)
          (alternate "SWPMI1_SUSPEND" bidirectional line)
          (alternate "SYS_JTDI" bidirectional line)
          (alternate "TIM2_CH1" bidirectional line)
          (alternate "TIM2_ETR" bidirectional line)
          (alternate "USART2_RX" bidirectional line)
        )
        (pin bidirectional line (at -12.7 -2.54 0) (length 2.54)
          (name "PB3" (effects (font (size 1.27 1.27))))
          (number "26" (effects (font (size 1.27 1.27))))
          (alternate "COMP2_INM" bidirectional line)
          (alternate "SAI1_SCK_B" bidirectional line)
          (alternate "SPI1_SCK" bidirectional line)
          (alternate "SPI3_SCK" bidirectional line)
          (alternate "SYS_JTDO-SWO" bidirectional line)
          (alternate "TIM2_CH2" bidirectional line)
          (alternate "USART1_DE" bidirectional line)
          (alternate "USART1_RTS" bidirectional line)
        )
        (pin bidirectional line (at -12.7 -5.08 0) (length 2.54)
          (name "PB4" (effects (font (size 1.27 1.27))))
          (number "27" (effects (font (size 1.27 1.27))))
          (alternate "COMP2_INP" bidirectional line)
          (alternate "I2C3_SDA" bidirectional line)
          (alternate "SAI1_MCLK_B" bidirectional line)
          (alternate "SPI1_MISO" bidirectional line)
          (alternate "SPI3_MISO" bidirectional line)
          (alternate "SYS_JTRST" bidirectional line)
          (alternate "TSC_G2_IO1" bidirectional line)
          (alternate "USART1_CTS" bidirectional line)
        )
        (pin bidirectional line (at -12.7 -7.62 0) (length 2.54)
          (name "PB5" (effects (font (size 1.27 1.27))))
          (number "28" (effects (font (size 1.27 1.27))))
          (alternate "COMP2_OUT" bidirectional line)
          (alternate "I2C1_SMBA" bidirectional line)
          (alternate "LPTIM1_IN1" bidirectional line)
          (alternate "SAI1_SD_B" bidirectional line)
          (alternate "SPI1_MOSI" bidirectional line)
          (alternate "SPI3_MOSI" bidirectional line)
          (alternate "TIM16_BKIN" bidirectional line)
          (alternate "TSC_G2_IO2" bidirectional line)
          (alternate "USART1_CK" bidirectional line)
        )
        (pin bidirectional line (at -12.7 -10.16 0) (length 2.54)
          (name "PB6" (effects (font (size 1.27 1.27))))
          (number "29" (effects (font (size 1.27 1.27))))
          (alternate "COMP2_INP" bidirectional line)
          (alternate "I2C1_SCL" bidirectional line)
          (alternate "LPTIM1_ETR" bidirectional line)
          (alternate "SAI1_FS_B" bidirectional line)
          (alternate "TIM16_CH1N" bidirectional line)
          (alternate "TSC_G2_IO3" bidirectional line)
          (alternate "USART1_TX" bidirectional line)
        )
        (pin bidirectional line (at -12.7 7.62 0) (length 2.54)
          (name "PC15" (effects (font (size 1.27 1.27))))
          (number "3" (effects (font (size 1.27 1.27))))
          (alternate "ADC1_EXTI15" bidirectional line)
          (alternate "RCC_OSC32_OUT" bidirectional line)
        )
        (pin bidirectional line (at -12.7 -12.7 0) (length 2.54)
          (name "PB7" (effects (font (size 1.27 1.27))))
          (number "30" (effects (font (size 1.27 1.27))))
          (alternate "COMP2_INM" bidirectional line)
          (alternate "I2C1_SDA" bidirectional line)
          (alternate "LPTIM1_IN2" bidirectional line)
          (alternate "SYS_PVD_IN" bidirectional line)
          (alternate "TSC_G2_IO4" bidirectional line)
          (alternate "USART1_RX" bidirectional line)
        )
        (pin bidirectional line (at -12.7 15.24 0) (length 2.54)
          (name "PH3" (effects (font (size 1.27 1.27))))
          (number "31" (effects (font (size 1.27 1.27))))
        )
        (pin passive line (at 0 -25.4 90) (length 2.54) hide
          (name "VSS" (effects (font (size 1.27 1.27))))
          (number "32" (effects (font (size 1.27 1.27))))
        )
        (pin passive line (at 0 -25.4 90) (length 2.54) hide
          (name "VSS" (effects (font (size 1.27 1.27))))
          (number "33" (effects (font (size 1.27 1.27))))
        )
        (pin input line (at -12.7 20.32 0) (length 2.54)
          (name "NRST" (effects (font (size 1.27 1.27))))
          (number "4" (effects (font (size 1.27 1.27))))
        )
        (pin power_in line (at 2.54 25.4 270) (length 2.54)
          (name "VDDA" (effects (font (size 1.27 1.27))))
          (number "5" (effects (font (size 1.27 1.27))))
        )
        (pin bidirectional line (at 12.7 20.32 180) (length 2.54)
          (name "PA0" (effects (font (size 1.27 1.27))))
          (number "6" (effects (font (size 1.27 1.27))))
          (alternate "ADC1_IN5" bidirectional line)
          (alternate "COMP1_INM" bidirectional line)
          (alternate "COMP1_OUT" bidirectional line)
          (alternate "OPAMP1_VINP" bidirectional line)
          (alternate "RCC_CK_IN" bidirectional line)
          (alternate "RTC_TAMP2" bidirectional line)
          (alternate "SAI1_EXTCLK" bidirectional line)
          (alternate "SYS_WKUP1" bidirectional line)
          (alternate "TIM2_CH1" bidirectional line)
          (alternate "TIM2_ETR" bidirectional line)
          (alternate "USART2_CTS" bidirectional line)
        )
        (pin bidirectional line (at 12.7 17.78 180) (length 2.54)
          (name "PA1" (effects (font (size 1.27 1.27))))
          (number "7" (effects (font (size 1.27 1.27))))
          (alternate "ADC1_IN6" bidirectional line)
          (alternate "COMP1_INP" bidirectional line)
          (alternate "I2C1_SMBA" bidirectional line)
          (alternate "OPAMP1_VINM" bidirectional line)
          (alternate "SPI1_SCK" bidirectional line)
          (alternate "TIM15_CH1N" bidirectional line)
          (alternate "TIM2_CH2" bidirectional line)
          (alternate "USART2_DE" bidirectional line)
          (alternate "USART2_RTS" bidirectional line)
        )
        (pin bidirectional line (at 12.7 15.24 180) (length 2.54)
          (name "PA2" (effects (font (size 1.27 1.27))))
          (number "8" (effects (font (size 1.27 1.27))))
          (alternate "ADC1_IN7" bidirectional line)
          (alternate "COMP2_INM" bidirectional line)
          (alternate "COMP2_OUT" bidirectional line)
          (alternate "LPUART1_TX" bidirectional line)
          (alternate "QUADSPI_BK1_NCS" bidirectional line)
          (alternate "RCC_LSCO" bidirectional line)
          (alternate "SYS_WKUP4" bidirectional line)
          (alternate "TIM15_CH1" bidirectional line)
          (alternate "TIM2_CH3" bidirectional line)
          (alternate "USART2_TX" bidirectional line)
        )
        (pin bidirectional line (at 12.7 12.7 180) (length 2.54)
          (name "PA3" (effects (font (size 1.27 1.27))))
          (number "9" (effects (font (size 1.27 1.27))))
          (alternate "ADC1_IN8" bidirectional line)
          (alternate "COMP2_INP" bidirectional line)
          (alternate "LPUART1_RX" bidirectional line)
          (alternate "OPAMP1_VOUT" bidirectional line)
          (alternate "QUADSPI_CLK" bidirectional line)
          (alternate "SAI1_MCLK_A" bidirectional line)
          (alternate "TIM15_CH2" bidirectional line)
          (alternate "TIM2_CH4" bidirectional line)
          (alternate "USART2_RX" bidirectional line)
        )
      )
    )
    (symbol "Transistor_FET:BSS138" (pin_names 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" "BSS138" (at 5.08 0 0)
        (effects (font (size 1.27 1.27)) (justify left))
      )
      (property "Footprint" "Package_TO_SOT_SMD:SOT-23" (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/BSS138-D.PDF" (at 0 0 0)
        (effects (font (size 1.27 1.27)) (justify left) hide)
      )
      (property "ki_keywords" "N-Channel MOSFET" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "50V Vds, 0.22A Id, N-Channel MOSFET, SOT-23" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_fp_filters" "SOT?23*" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "BSS138_0_1"
        (polyline
          (pts
            (xy 0.254 0)
            (xy -2.54 0)
          )
          (stroke (width 0) (type default))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0.254 1.905)
            (xy 0.254 -1.905)
          )
          (stroke (width 0.254) (type default))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0.762 -1.27)
            (xy 0.762 -2.286)
          )
          (stroke (width 0.254) (type default))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0.762 0.508)
            (xy 0.762 -0.508)
          )
          (stroke (width 0.254) (type default))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0.762 2.286)
            (xy 0.762 1.27)
          )
          (stroke (width 0.254) (type default))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 2.54 2.54)
            (xy 2.54 1.778)
          )
          (stroke (width 0) (type default))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 2.54 -2.54)
            (xy 2.54 0)
            (xy 0.762 0)
          )
          (stroke (width 0) (type default))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0.762 -1.778)
            (xy 3.302 -1.778)
            (xy 3.302 1.778)
            (xy 0.762 1.778)
          )
          (stroke (width 0) (type default))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 1.016 0)
            (xy 2.032 0.381)
            (xy 2.032 -0.381)
            (xy 1.016 0)
          )
          (stroke (width 0) (type default))
          (fill (type outline))
        )
        (polyline
          (pts
            (xy 2.794 0.508)
            (xy 2.921 0.381)
            (xy 3.683 0.381)
            (xy 3.81 0.254)
          )
          (stroke (width 0) (type default))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 3.302 0.381)
            (xy 2.921 -0.254)
            (xy 3.683 -0.254)
            (xy 3.302 0.381)
          )
          (stroke (width 0) (type default))
          (fill (type none))
        )
        (circle (center 1.651 0) (radius 2.794)
          (stroke (width 0.254) (type default))
          (fill (type none))
        )
        (circle (center 2.54 -1.778) (radius 0.254)
          (stroke (width 0) (type default))
          (fill (type outline))
        )
        (circle (center 2.54 1.778) (radius 0.254)
          (stroke (width 0) (type default))
          (fill (type outline))
        )
      )
      (symbol "BSS138_1_1"
        (pin input line (at -5.08 0 0) (length 2.54)
          (name "G" (effects (font (size 1.27 1.27))))
          (number "1" (effects (font (size 1.27 1.27))))
        )
        (pin passive line (at 2.54 -5.08 90) (length 2.54)
          (name "S" (effects (font (size 1.27 1.27))))
          (number "2" (effects (font (size 1.27 1.27))))
        )
        (pin passive line (at 2.54 5.08 270) (length 2.54)
          (name "D" (effects (font (size 1.27 1.27))))
          (number "3" (effects (font (size 1.27 1.27))))
        )
      )
    )
    (symbol "power:+3.3V" (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" "+3.3V" (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" "global power" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "Power symbol creates a global label with name \"+3.3V\"" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "+3.3V_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 "+3.3V_1_1"
        (pin power_in line (at 0 0 90) (length 0) hide
          (name "+3.3V" (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" "global power" (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 124.46 68.58) (diameter 0) (color 0 0 0 0)
    (uuid 0aab784b-6eee-4b09-b860-eed4816d36c5)
  )
  (junction (at 87.63 113.03) (diameter 0) (color 0 0 0 0)
    (uuid 397eaece-4bea-4360-9be7-78873c5fde58)
  )
  (junction (at 119.38 95.25) (diameter 0) (color 0 0 0 0)
    (uuid 4a977c59-1b41-4b1d-9cc3-426d07bf2e37)
  )
  (junction (at 144.78 68.58) (diameter 0) (color 0 0 0 0)
    (uuid 4e469cce-eab4-4c05-9b17-0c867160d6aa)
  )
  (junction (at 124.46 60.96) (diameter 0) (color 0 0 0 0)
    (uuid dfd83ce2-2604-413a-969e-685cbffd344b)
  )
  (junction (at 137.16 95.25) (diameter 0) (color 0 0 0 0)
    (uuid dff69457-e184-4d91-a277-a56a81ed8132)
  )
  (junction (at 121.92 95.25) (diameter 0) (color 0 0 0 0)
    (uuid e26e3f9b-faf3-4d5a-800d-d0b5c5a154e2)
  )

  (no_connect (at 132.08 135.89) (uuid 22327701-65bd-471a-bffb-51511fa2e76e))
  (no_connect (at 132.08 128.27) (uuid 2aaa4d21-2e5a-4c3b-a2e4-25a1e3c78967))
  (no_connect (at 106.68 133.35) (uuid 2ef7d92d-f675-4e62-8fb7-dba3c0b6c59c))
  (no_connect (at 106.68 135.89) (uuid 351c3855-cc3a-46c3-84ff-0a3eea4257b5))
  (no_connect (at 132.08 140.97) (uuid 3e1a4c34-c8e9-4694-b58d-392b03ea7658))
  (no_connect (at 132.08 118.11) (uuid 3f663d45-da4e-4085-9eb5-35219d6d8063))
  (no_connect (at 106.68 128.27) (uuid 439fd50a-56f3-4e16-9f03-0f6e9361e28e))
  (no_connect (at 106.68 118.11) (uuid 43ab0768-0115-4476-97c5-618254fb25cc))
  (no_connect (at 132.08 110.49) (uuid 4a2bdbe1-b68e-4773-bcda-9bfdef9aa2dd))
  (no_connect (at 106.68 138.43) (uuid 4e00af81-1fbc-438d-bfb8-f9799e3ae330))
  (no_connect (at 132.08 146.05) (uuid 57c337a9-0121-4a5b-9273-298b23d57431))
  (no_connect (at 132.08 107.95) (uuid 7114744f-7d27-4fb8-9851-1e4a02579053))
  (no_connect (at 132.08 138.43) (uuid af162c3f-229d-4668-a699-91ea5250d001))
  (no_connect (at 106.68 120.65) (uuid dbc83cf9-0253-4b5c-abe3-2059b43de1e5))
  (no_connect (at 106.68 140.97) (uuid e09006bf-0266-44fe-aba0-509501a903a3))
  (no_connect (at 132.08 143.51) (uuid e3f8d940-f736-4c6d-9165-7b22c1affe12))
  (no_connect (at 106.68 130.81) (uuid f85da7ae-eb14-4401-bf8b-b97e4617d569))

  (wire (pts (xy 132.08 133.35) (xy 137.16 133.35))
    (stroke (width 0) (type default))
    (uuid 05564c61-ffd6-4d8a-9184-95d764bede1d)
  )
  (wire (pts (xy 116.84 102.87) (xy 116.84 95.25))
    (stroke (width 0) (type default))
    (uuid 09f38ae6-1725-4feb-9fe5-cec69af8fcf0)
  )
  (wire (pts (xy 116.84 95.25) (xy 119.38 95.25))
    (stroke (width 0) (type default))
    (uuid 13776477-2f4f-4ae1-afa9-6a7793bc810e)
  )
  (wire (pts (xy 121.92 102.87) (xy 121.92 95.25))
    (stroke (width 0) (type default))
    (uuid 1788819b-84b9-43c6-b129-4553552f6a45)
  )
  (wire (pts (xy 144.78 68.58) (xy 152.4 68.58))
    (stroke (width 0) (type default))
    (uuid 1c1ff4dd-6127-4d19-a231-d472b4c204fe)
  )
  (wire (pts (xy 105.41 125.73) (xy 106.68 125.73))
    (stroke (width 0) (type default))
    (uuid 241b76a6-73a5-4214-b03a-1db9dd81e02d)
  )
  (wire (pts (xy 137.16 95.25) (xy 148.59 95.25))
    (stroke (width 0) (type default))
    (uuid 42ad9d58-d4b2-4c5a-baf6-1ded79a0b1eb)
  )
  (wire (pts (xy 119.38 68.58) (xy 124.46 68.58))
    (stroke (width 0) (type default))
    (uuid 439e1c2b-fb16-4e93-8244-ba67c8d32d02)
  )
  (wire (pts (xy 132.08 120.65) (xy 137.16 120.65))
    (stroke (width 0) (type default))
    (uuid 59e9c2aa-5af0-431e-863b-f4f2513776e4)
  )
  (wire (pts (xy 132.08 125.73) (xy 137.16 125.73))
    (stroke (width 0) (type default))
    (uuid 5dc4b10a-2f69-4af1-aeff-5f594e43db29)
  )
  (wire (pts (xy 132.08 130.81) (xy 137.16 130.81))
    (stroke (width 0) (type default))
    (uuid 6425bc97-195a-4f95-9487-046ee0450675)
  )
  (wire (pts (xy 101.6 107.95) (xy 106.68 107.95))
    (stroke (width 0) (type default))
    (uuid 64e796fd-f776-480e-87f3-cf5d2807b83b)
  )
  (wire (pts (xy 124.46 68.58) (xy 129.54 68.58))
    (stroke (width 0) (type default))
    (uuid 6db64132-a1dc-4c94-b521-5617dfe41f94)
  )
  (wire (pts (xy 132.08 115.57) (xy 137.16 115.57))
    (stroke (width 0) (type default))
    (uuid 7adb5abe-0877-46f1-927a-7e08ae2b0db0)
  )
  (wire (pts (xy 119.38 95.25) (xy 119.38 102.87))
    (stroke (width 0) (type default))
    (uuid 81e66fd1-1862-4f81-b2ed-c11099acb9c7)
  )
  (wire (pts (xy 132.08 113.03) (xy 137.16 113.03))
    (stroke (width 0) (type default))
    (uuid 8801b939-9f13-4020-af12-f7eee224356c)
  )
  (wire (pts (xy 121.92 95.25) (xy 119.38 95.25))
    (stroke (width 0) (type default))
    (uuid 93446a96-bfba-47ac-b7ea-003390dcd011)
  )
  (wire (pts (xy 85.09 113.03) (xy 87.63 113.03))
    (stroke (width 0) (type default))
    (uuid 979ec326-bd7e-4802-bf04-6b92d3ac3016)
  )
  (wire (pts (xy 124.46 60.96) (xy 134.62 60.96))
    (stroke (width 0) (type default))
    (uuid a4b1be2a-816e-4013-8de5-21252e984ebc)
  )
  (wire (pts (xy 119.38 60.96) (xy 124.46 60.96))
    (stroke (width 0) (type default))
    (uuid a4bf86c8-1789-4fa2-9c67-f00fadf9c316)
  )
  (wire (pts (xy 121.92 95.25) (xy 137.16 95.25))
    (stroke (width 0) (type default))
    (uuid ae37706d-f5c8-4d64-b39b-f0704bd80e96)
  )
  (wire (pts (xy 87.63 113.03) (xy 87.63 118.11))
    (stroke (width 0) (type default))
    (uuid be7eac1f-6f2a-40c0-bc80-5b1a346121f0)
  )
  (wire (pts (xy 87.63 113.03) (xy 106.68 113.03))
    (stroke (width 0) (type default))
    (uuid c8f5fd32-cb91-4993-abc6-c31911738187)
  )
  (wire (pts (xy 139.7 68.58) (xy 144.78 68.58))
    (stroke (width 0) (type default))
    (uuid e7a94373-80ad-4223-a914-ec0078a6e8f1)
  )
  (wire (pts (xy 132.08 123.19) (xy 137.16 123.19))
    (stroke (width 0) (type default))
    (uuid e9ce9ed5-9a64-4c37-8866-168956ce9dc2)
  )

  (text "The incoming NMEA stream from MAIANA arrives at USART2. Application firmware\ndoes not enable USART1 and must also explicitly enable this buffer in order to consume\ndata via USART2.\n\nIf the MCU enters the ROM bootloader, both USART1 and USART2 will listen\nfor incoming commands. But since this buffer will be disabled (PB0 stays low), nothing\nwill arrive at USART2, so only USART1 will become active."
    (at 96.52 52.07 0)
    (effects (font (size 1.27 1.27)) (justify left bottom))
    (uuid c68c03b3-10be-4d22-a6d4-b734a3dd393a)
  )

  (global_label "NMEA_RX" (shape input) (at 137.16 115.57 0) (fields_autoplaced)
    (effects (font (size 1.27 1.27)) (justify left))
    (uuid 22b41b0b-41cc-4fc7-96c9-4a8a6fe5dd98)
    (property "Intersheetrefs" "${INTERSHEET_REFS}" (at 148.5324 115.57 0)
      (effects (font (size 1.27 1.27)) (justify left) hide)
    )
  )
  (global_label "NMEA_RX_EN" (shape input) (at 119.38 60.96 180) (fields_autoplaced)
    (effects (font (size 1.27 1.27)) (justify right))
    (uuid 3c75576a-2184-4f26-a3d3-a4f2358deaba)
    (property "Intersheetrefs" "${INTERSHEET_REFS}" (at 104.5605 60.96 0)
      (effects (font (size 1.27 1.27)) (justify right) hide)
    )
  )
  (global_label "NMEA_RX_EN" (shape output) (at 105.41 125.73 180) (fields_autoplaced)
    (effects (font (size 1.27 1.27)) (justify right))
    (uuid 4459bfa5-0fa6-40e5-a2ea-d7bb527ebf8b)
    (property "Intersheetrefs" "${INTERSHEET_REFS}" (at 90.5905 125.73 0)
      (effects (font (size 1.27 1.27)) (justify right) hide)
    )
  )
  (global_label "NMEA_RX" (shape output) (at 152.4 68.58 0) (fields_autoplaced)
    (effects (font (size 1.27 1.27)) (justify left))
    (uuid cde2f23b-9ed1-41d7-bdd4-a786a93d8067)
    (property "Intersheetrefs" "${INTERSHEET_REFS}" (at 163.7724 68.58 0)
      (effects (font (size 1.27 1.27)) (justify left) hide)
    )
  )

  (hierarchical_label "MCU_UART_TX" (shape output) (at 137.16 130.81 0) (fields_autoplaced)
    (effects (font (size 1.27 1.27)) (justify left))
    (uuid 0aa93aa4-bae8-4e95-863f-7b0134104162)
  )
  (hierarchical_label "MCU_UART_RX" (shape input) (at 137.16 133.35 0) (fields_autoplaced)
    (effects (font (size 1.27 1.27)) (justify left))
    (uuid 352a9624-f284-4302-993e-4ed532a12df4)
  )
  (hierarchical_label "TRANSPONDER_UART_TX" (shape input) (at 119.38 68.58 180) (fields_autoplaced)
    (effects (font (size 1.27 1.27)) (justify right))
    (uuid 630d9063-eca0-4390-8be6-555731968b47)
  )
  (hierarchical_label "SPI_MOSI" (shape input) (at 137.16 125.73 0) (fields_autoplaced)
    (effects (font (size 1.27 1.27)) (justify left))
    (uuid 6a222a0a-9fa4-4f5f-88e2-4d90c40a179c)
  )
  (hierarchical_label "BOOT0" (shape input) (at 85.09 113.03 180) (fields_autoplaced)
    (effects (font (size 1.27 1.27)) (justify right))
    (uuid 7441883e-345f-4a88-8944-063536674944)
  )
  (hierarchical_label "SPI_MISO" (shape output) (at 137.16 123.19 0) (fields_autoplaced)
    (effects (font (size 1.27 1.27)) (justify left))
    (uuid 9d53e965-e053-430a-a991-7e1ae8de4ea3)
  )
  (hierarchical_label "SPI_SCK" (shape output) (at 137.16 120.65 0) (fields_autoplaced)
    (effects (font (size 1.27 1.27)) (justify left))
    (uuid af37cd2a-9fe6-4a50-a161-d42e59f8af29)
  )
  (hierarchical_label "NRST" (shape input) (at 101.6 107.95 180) (fields_autoplaced)
    (effects (font (size 1.27 1.27)) (justify right))
    (uuid b57640ad-ea26-48d2-b4f4-8ac0bc1fd4d4)
  )
  (hierarchical_label "SPI_CS" (shape output) (at 137.16 113.03 0) (fields_autoplaced)
    (effects (font (size 1.27 1.27)) (justify left))
    (uuid d2633466-769c-46af-8006-d46da0462369)
  )

  (symbol (lib_id "power:GND") (at 137.16 102.87 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (uuid 042d4233-4261-4f0a-b058-b16598c8bee2)
    (property "Reference" "#PWR052" (at 137.16 109.22 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "GND" (at 137.16 107.95 0)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "" (at 137.16 102.87 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (at 137.16 102.87 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid e293bad4-e53d-42e4-8dd5-3b7cf78008b1))
    (instances
      (project "NMEA2000Adapter-8.1"
        (path "/c5556f8a-89e2-4d0f-b0be-1ad8268f6ba1/8cd865ef-a761-4450-bad7-a70626b91e35"
          (reference "#PWR052") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "power:+3.3V") (at 144.78 60.96 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (uuid 114fafb8-23d9-470e-b296-50dddbf3d6e4)
    (property "Reference" "#PWR055" (at 144.78 64.77 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "+3.3V" (at 144.78 55.88 0)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "" (at 144.78 60.96 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (at 144.78 60.96 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 3cdf0657-286d-45e8-bcb0-c7a9c27e8dce))
    (instances
      (project "NMEA2000Adapter-8.1"
        (path "/c5556f8a-89e2-4d0f-b0be-1ad8268f6ba1/8cd865ef-a761-4450-bad7-a70626b91e35"
          (reference "#PWR055") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "Device:R") (at 87.63 121.92 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (uuid 38bdfd39-c621-4d2b-9551-aac07f1471ce)
    (property "Reference" "R6" (at 90.17 120.65 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Value" "10k" (at 90.17 123.19 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Footprint" "Resistor_SMD:R_0603_1608Metric" (at 85.852 121.92 90)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (at 87.63 121.92 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid a2a040f9-f803-4cbc-825d-e35c5c74d9ca))
    (pin "2" (uuid 2ceca217-a657-4247-b989-793ab7a0798b))
    (instances
      (project "NMEA2000Adapter-8.1"
        (path "/c5556f8a-89e2-4d0f-b0be-1ad8268f6ba1/d2e335c7-bab6-4084-aec7-c22d80246561"
          (reference "R6") (unit 1)
        )
        (path "/c5556f8a-89e2-4d0f-b0be-1ad8268f6ba1/8cd865ef-a761-4450-bad7-a70626b91e35"
          (reference "R8") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "Device:R") (at 124.46 64.77 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (uuid 45ce8cb6-2e3b-4a02-9053-2e0b44066401)
    (property "Reference" "R6" (at 127 63.5 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Value" "10k" (at 127 66.04 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Footprint" "Resistor_SMD:R_0603_1608Metric" (at 122.682 64.77 90)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (at 124.46 64.77 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 12076aec-b8fe-4f6d-855b-f469e7cc5a8f))
    (pin "2" (uuid 48b3d3fc-913c-4dda-b22b-8cca3da892b5))
    (instances
      (project "NMEA2000Adapter-8.1"
        (path "/c5556f8a-89e2-4d0f-b0be-1ad8268f6ba1/d2e335c7-bab6-4084-aec7-c22d80246561"
          (reference "R6") (unit 1)
        )
        (path "/c5556f8a-89e2-4d0f-b0be-1ad8268f6ba1/8cd865ef-a761-4450-bad7-a70626b91e35"
          (reference "R9") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "power:GND") (at 119.38 153.67 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (uuid 4f19ac10-4a84-4333-a93f-ff30d0154a7a)
    (property "Reference" "#PWR050" (at 119.38 160.02 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "GND" (at 119.38 158.75 0)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "" (at 119.38 153.67 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (at 119.38 153.67 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 0dd37cea-f90a-4ded-bb47-97f72e2c96be))
    (instances
      (project "NMEA2000Adapter-8.1"
        (path "/c5556f8a-89e2-4d0f-b0be-1ad8268f6ba1/8cd865ef-a761-4450-bad7-a70626b91e35"
          (reference "#PWR050") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "MCU_ST_STM32L4:STM32L432KBUx") (at 119.38 128.27 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (uuid 6cd108aa-673d-4324-b0da-191b29711d8c)
    (property "Reference" "U1" (at 121.3359 153.67 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Value" "STM32L432KBUx" (at 121.3359 156.21 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Footprint" "Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.45x3.45mm" (at 109.22 151.13 0)
      (effects (font (size 1.27 1.27)) (justify right) hide)
    )
    (property "Datasheet" "https://www.st.com/resource/en/datasheet/stm32l432kb.pdf" (at 119.38 128.27 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 00735ecc-6ecb-46ac-b38a-9adc0f208200))
    (pin "10" (uuid 98bb8b3e-06d6-41d2-9753-56d029533e41))
    (pin "11" (uuid c40883c6-043e-4264-8a76-a4f28288ab88))
    (pin "12" (uuid 3c55dc7b-f911-4db3-a8bb-161d78db6304))
    (pin "13" (uuid b24cdf6c-178b-46f0-aecc-bd8c76ee8453))
    (pin "14" (uuid 3efd6ffd-8cfa-4260-8de9-cc94c265a698))
    (pin "15" (uuid 8177adb1-113d-4655-9a24-4f24486a06be))
    (pin "16" (uuid 694688c1-9300-45ce-9e45-039626fb2480))
    (pin "17" (uuid 1e99c467-fe92-4a4d-b0ce-3717dfb1fa32))
    (pin "18" (uuid 684f7559-6e74-465f-a717-e34ca60c09f4))
    (pin "19" (uuid 51863e2b-d118-4a4e-86b6-c406d2a0a5d3))
    (pin "2" (uuid 3b2f7aba-9d76-4826-b6b0-e63e9164176c))
    (pin "20" (uuid 6573da97-d33b-4f09-97b9-fa3462a21810))
    (pin "21" (uuid 0f9e6196-59fa-4db5-8ad6-5ea7a94f8c42))
    (pin "22" (uuid 9df8147a-dc95-4d18-95d3-1cd52bc10dcf))
    (pin "23" (uuid 7ed6ef7c-f479-4485-bf65-910ab8192b9b))
    (pin "24" (uuid f8e3cc3e-9ae8-4149-b6db-3d4cd0c1d396))
    (pin "25" (uuid 8782dc91-1410-4d19-8c6f-5792cfdab590))
    (pin "26" (uuid 2b160816-9b4c-4354-ba94-2b424ec56060))
    (pin "27" (uuid d23a3542-a2cf-45dc-8301-ef06a47f74e2))
    (pin "28" (uuid c7dd401f-7333-478f-b43c-9d09d21b56fa))
    (pin "29" (uuid 87e13844-b174-4607-beee-327726e08045))
    (pin "3" (uuid e36a6d51-5072-4f0a-b4bd-0464651180a9))
    (pin "30" (uuid c3c66d03-c9ad-4b80-9392-e27e8ac53286))
    (pin "31" (uuid 50947f59-9f5e-4f0d-99d9-3afce7ddf2ff))
    (pin "32" (uuid a036f199-5ed2-4b0e-a2e5-aee6287124f4))
    (pin "33" (uuid ee04b06d-d461-4212-9608-9ee3f9e40b29))
    (pin "4" (uuid 080f3917-66af-4118-b8b4-3cca392c97df))
    (pin "5" (uuid 6cad89c7-ae4b-4d0d-9e33-233929293b32))
    (pin "6" (uuid 3b257fb0-7e3b-451c-aef0-0822573f87e2))
    (pin "7" (uuid 62d65538-b1b7-452b-adad-6499e585bc2a))
    (pin "8" (uuid da09143c-fa41-4af6-9e3c-9f9cb30f650c))
    (pin "9" (uuid 92b1bac6-5b29-4555-91e4-448082d1ca71))
    (instances
      (project "NMEA2000Adapter-8.1"
        (path "/c5556f8a-89e2-4d0f-b0be-1ad8268f6ba1/8cd865ef-a761-4450-bad7-a70626b91e35"
          (reference "U1") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "power:+3.3V") (at 119.38 95.25 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (uuid 78e93e1c-fb81-4433-a1b2-34f2e86011a5)
    (property "Reference" "#PWR051" (at 119.38 99.06 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "+3.3V" (at 119.38 90.17 0)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "" (at 119.38 95.25 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (at 119.38 95.25 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 15e36000-e47d-42ce-806b-288bfbf7493a))
    (instances
      (project "NMEA2000Adapter-8.1"
        (path "/c5556f8a-89e2-4d0f-b0be-1ad8268f6ba1/8cd865ef-a761-4450-bad7-a70626b91e35"
          (reference "#PWR051") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "power:GND") (at 148.59 102.87 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (uuid 9001b1de-8c6c-43fe-a2c5-3e9db6e8b524)
    (property "Reference" "#PWR053" (at 148.59 109.22 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "GND" (at 148.59 107.95 0)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "" (at 148.59 102.87 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (at 148.59 102.87 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid d86400e3-7d7f-4892-9f9f-277a52e9e963))
    (instances
      (project "NMEA2000Adapter-8.1"
        (path "/c5556f8a-89e2-4d0f-b0be-1ad8268f6ba1/8cd865ef-a761-4450-bad7-a70626b91e35"
          (reference "#PWR053") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "power:GND") (at 87.63 125.73 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (uuid a9ea047d-2583-4e6f-8885-377235518c72)
    (property "Reference" "#PWR054" (at 87.63 132.08 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "GND" (at 87.63 130.81 0)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "" (at 87.63 125.73 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (at 87.63 125.73 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid b9a42eda-e7b6-4e4d-833d-d2afda9b5be5))
    (instances
      (project "NMEA2000Adapter-8.1"
        (path "/c5556f8a-89e2-4d0f-b0be-1ad8268f6ba1/8cd865ef-a761-4450-bad7-a70626b91e35"
          (reference "#PWR054") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "Device:C") (at 137.16 99.06 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (uuid ba88fba1-1f24-44ea-b531-079628ec71f8)
    (property "Reference" "C11" (at 140.97 97.79 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Value" "0.1uF" (at 140.97 100.33 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Footprint" "Capacitor_SMD:C_0603_1608Metric" (at 138.1252 102.87 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (at 137.16 99.06 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 82679f10-7cc1-4986-8927-d8aee9e0f398))
    (pin "2" (uuid 882dccaf-d7be-4136-9254-97293ad6dcce))
    (instances
      (project "NMEA2000Adapter-8.1"
        (path "/c5556f8a-89e2-4d0f-b0be-1ad8268f6ba1/f4f3c8a2-9af1-45ba-ac1a-bbe64c505b23"
          (reference "C11") (unit 1)
        )
        (path "/c5556f8a-89e2-4d0f-b0be-1ad8268f6ba1/8cd865ef-a761-4450-bad7-a70626b91e35"
          (reference "C12") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "Device:R") (at 144.78 64.77 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (uuid bbc0b863-1f95-4a16-bbe6-0eb7b9515594)
    (property "Reference" "R6" (at 147.32 63.5 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Value" "10k" (at 147.32 66.04 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Footprint" "Resistor_SMD:R_0603_1608Metric" (at 143.002 64.77 90)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (at 144.78 64.77 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 9f35f185-8798-472b-a1bb-6c57768982f1))
    (pin "2" (uuid 3df69bcd-d716-4b74-9f69-dd112d808052))
    (instances
      (project "NMEA2000Adapter-8.1"
        (path "/c5556f8a-89e2-4d0f-b0be-1ad8268f6ba1/d2e335c7-bab6-4084-aec7-c22d80246561"
          (reference "R6") (unit 1)
        )
        (path "/c5556f8a-89e2-4d0f-b0be-1ad8268f6ba1/8cd865ef-a761-4450-bad7-a70626b91e35"
          (reference "R10") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "Device:C") (at 148.59 99.06 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (uuid bcf4a2af-6456-48da-9988-568b7290dc2b)
    (property "Reference" "C11" (at 152.4 97.79 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Value" "0.1uF" (at 152.4 100.33 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Footprint" "Capacitor_SMD:C_0603_1608Metric" (at 149.5552 102.87 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (at 148.59 99.06 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 6aebaae5-47bf-490b-8afc-1795b36aa164))
    (pin "2" (uuid 7bc879dc-75cb-4d76-9b10-bfcea09aac86))
    (instances
      (project "NMEA2000Adapter-8.1"
        (path "/c5556f8a-89e2-4d0f-b0be-1ad8268f6ba1/f4f3c8a2-9af1-45ba-ac1a-bbe64c505b23"
          (reference "C11") (unit 1)
        )
        (path "/c5556f8a-89e2-4d0f-b0be-1ad8268f6ba1/8cd865ef-a761-4450-bad7-a70626b91e35"
          (reference "C13") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "Transistor_FET:BSS138") (at 134.62 66.04 270) (unit 1)
    (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced)
    (uuid f7c0812d-f282-4109-82e9-622b33ffa4c6)
    (property "Reference" "Q1" (at 134.62 72.39 90)
      (effects (font (size 1.27 1.27)))
    )
    (property "Value" "BSS138" (at 134.62 74.93 90)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "Package_TO_SOT_SMD:SOT-23" (at 132.715 71.12 0)
      (effects (font (size 1.27 1.27) italic) (justify left) hide)
    )
    (property "Datasheet" "https://www.onsemi.com/pub/Collateral/BSS138-D.PDF" (at 134.62 66.04 0)
      (effects (font (size 1.27 1.27)) (justify left) hide)
    )
    (pin "1" (uuid 3809a80c-7b6f-4971-94f3-397cbfcefc33))
    (pin "2" (uuid 0ecd6d4e-b8d8-4688-b9e7-0b3db1bf0fd7))
    (pin "3" (uuid 0ccb7ce4-2502-4a63-b324-35536aa5415f))
    (instances
      (project "NMEA2000Adapter-8.1"
        (path "/c5556f8a-89e2-4d0f-b0be-1ad8268f6ba1/d2e335c7-bab6-4084-aec7-c22d80246561"
          (reference "Q1") (unit 1)
        )
        (path "/c5556f8a-89e2-4d0f-b0be-1ad8268f6ba1/8cd865ef-a761-4450-bad7-a70626b91e35"
          (reference "Q3") (unit 1)
        )
      )
    )
  )
)