(export (version D)
  (design
    (source /Big/Data/00__Electronics/STM32/F1-nolib/chronometer_v1/kicad/chrono.sch)
    (date "Ср 15 янв 2020 23:34:57")
    (tool "Eeschema 5.1.5")
    (sheet (number 1) (name /) (tstamps /)
      (title_block
        (title)
        (company)
        (rev)
        (date)
        (source chrono.sch)
        (comment (number 1) (value ""))
        (comment (number 2) (value ""))
        (comment (number 3) (value ""))
        (comment (number 4) (value "")))))
  (components
    (comp (ref U6)
      (value STM32F103C6Tx)
      (footprint Package_QFP:LQFP-48_7x7mm_P0.5mm)
      (datasheet http://www.st.com/st-web-ui/static/active/en/resource/technical/document/datasheet/CD00210843.pdf)
      (libsource (lib MCU_ST_STM32F1) (part STM32F103C6Tx) (description "ARM Cortex-M3 MCU, 32KB flash, 10KB RAM, 72MHz, 2-3.6V, 37 GPIO, LQFP-48"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D13BBBF))
    (comp (ref C14)
      (value 0.1)
      (footprint Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (libsource (lib stm32-rescue) (part C) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 58C42D39))
    (comp (ref U2)
      (value LM2576-5.0)
      (footprint TO_SOT_Packages_THT:TO-220-5_P3.4x3.7mm_StaggerEven_Lead3.8mm_Vertical)
      (fields
        (field (name Manufacturer) "Texas Instruments"))
      (libsource (lib stm32-rescue) (part LM2576HV) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 58C43093))
    (comp (ref U4)
      (value LM1117-3.3)
      (footprint TO_SOT_Packages_SMD:SOT-223)
      (libsource (lib stm32-rescue) (part LM1117-3.3-RESCUE-stm32) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 58C431FC))
    (comp (ref D7)
      (value B340A)
      (footprint Diode_SMD:D_SMA_Handsoldering)
      (libsource (lib stm32-rescue) (part D) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 58C43816))
    (comp (ref L1)
      (value 100u)
      (footprint Inductor_SMD:L_12x12mm_H4.5mm)
      (libsource (lib stm32-rescue) (part L) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 58C43929))
    (comp (ref C7)
      (value 100u)
      (footprint Capacitor_THT:CP_Radial_D8.0mm_P3.50mm)
      (libsource (lib stm32-rescue) (part CP) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 58C4396A))
    (comp (ref C4)
      (value 10u)
      (footprint Capacitor_SMD:C_1206_3216Metric_Pad1.42x1.75mm_HandSolder)
      (libsource (lib stm32-rescue) (part CP) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 58C43A3B))
    (comp (ref C13)
      (value 47u)
      (footprint Capacitor_Tantalum_SMD:CP_EIA-3216-18_Kemet-A_Pad1.58x1.35mm_HandSolder)
      (libsource (lib stm32-rescue) (part CP) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D4AE2B5))
    (comp (ref D8)
      (value LED0)
      (footprint LED_THT:LED_D5.0mm)
      (libsource (lib stm32-rescue) (part LED-RESCUE-stm32) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5908EA64))
    (comp (ref R16)
      (value 220)
      (footprint Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (libsource (lib stm32-rescue) (part R) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5908EB17))
    (comp (ref C15)
      (value 0.1)
      (footprint Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (libsource (lib stm32-rescue) (part C) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 590935EA))
    (comp (ref C16)
      (value 0.1)
      (footprint Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (libsource (lib stm32-rescue) (part C) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 59093675))
    (comp (ref D9)
      (value LED1)
      (footprint LED_THT:LED_D5.0mm)
      (libsource (lib stm32-rescue) (part LED-RESCUE-stm32) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5909AF9A))
    (comp (ref R17)
      (value 220)
      (footprint Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (libsource (lib stm32-rescue) (part R) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5909AFA0))
    (comp (ref C17)
      (value 0.1)
      (footprint Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (libsource (lib stm32-rescue) (part C) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 590A8102))
    (comp (ref Q2)
      (value AO3407)
      (footprint Package_TO_SOT_SMD:SOT-23_Handsoldering)
      (libsource (lib stm32-rescue) (part Q_PMOS_GSD) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5910E2F2))
    (comp (ref C3)
      (value 0.1)
      (footprint Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (libsource (lib stm32-rescue) (part C) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 596772D4))
    (comp (ref C9)
      (value 0.1)
      (footprint Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (libsource (lib stm32-rescue) (part C) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5A4FA4E4))
    (comp (ref R5)
      (value 10k)
      (footprint Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (libsource (lib stm32-rescue) (part R) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D16EDDD))
    (comp (ref D1)
      (value MM3Z7V5)
      (footprint Diode_SMD:D_0805_2012Metric_Pad1.15x1.40mm_HandSolder)
      (datasheet ~)
      (libsource (lib Device) (part D_Zener) (description "Zener diode"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D1735CA))
    (comp (ref P1)
      (value USB_B)
      (footprint Connectors_USB:USB_B_OST_USB-B1HSxx_Horizontal)
      (libsource (lib stm32-rescue) (part USB_A-RESCUE-stm32) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5CEABE76))
    (comp (ref R3)
      (value 22)
      (footprint Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (libsource (lib stm32-rescue) (part R) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5CEABEA6))
    (comp (ref R4)
      (value 22)
      (footprint Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (libsource (lib stm32-rescue) (part R) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5CEABEAC))
    (comp (ref U1)
      (value USBLC6-2SC6)
      (footprint TO_SOT_Packages_SMD:SOT-23-6_Handsoldering)
      (datasheet http://www2.st.com/resource/en/datasheet/CD00050750.pdf)
      (libsource (lib Power_Protection) (part USBLC6-2SC6) (description "Bidirectional ESD Protection Diode, SOT-23-6"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5CED0250))
    (comp (ref R22)
      (value 100k)
      (footprint Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (libsource (lib stm32-rescue) (part R) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D1076F1))
    (comp (ref Y1)
      (value 8MHz)
      (footprint Crystal:Crystal_HC49-U_Vertical)
      (datasheet ~)
      (libsource (lib Device) (part Crystal) (description "Two pin crystal"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D1F4994))
    (comp (ref C2)
      (value 12)
      (footprint Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (libsource (lib stm32-rescue) (part C) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D1F64B1))
    (comp (ref C1)
      (value 12)
      (footprint Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (libsource (lib stm32-rescue) (part C) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D1F7471))
    (comp (ref J1)
      (value "Power 12V")
      (footprint TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-2-5.08_1x02_P5.08mm_Horizontal)
      (datasheet ~)
      (libsource (lib Connector_Generic) (part Conn_01x02) (description "Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/)"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D79C13C))
    (comp (ref D2)
      (value 1N5819)
      (footprint Diode_SMD:D_SOD-323_HandSoldering)
      (datasheet ~)
      (libsource (lib Device) (part D_Schottky) (description "Schottky diode"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D89B9B8))
    (comp (ref R9)
      (value 1k5)
      (footprint Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (libsource (lib stm32-rescue) (part R) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D5EA0B2))
    (comp (ref J10)
      (value LIDAR)
      (footprint Connector_PinSocket_2.54mm:PinSocket_1x04_P2.54mm_Vertical)
      (datasheet ~)
      (libsource (lib Connector) (part Conn_01x04_Female) (description "Generic connector, single row, 01x04, script generated (kicad-library-utils/schlib/autogen/connector/)"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D927958))
    (comp (ref U5)
      (value L80-R)
      (footprint chrono:L80-R)
      (libsource (lib Chrono) (part L80-R) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D13B322))
    (comp (ref C10)
      (value 10u)
      (footprint Capacitor_SMD:C_1206_3216Metric_Pad1.42x1.75mm_HandSolder)
      (datasheet ~)
      (libsource (lib Device) (part C) (description "Unpolarized capacitor"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5DB80168))
    (comp (ref C11)
      (value 0.1)
      (footprint Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (libsource (lib stm32-rescue) (part C) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5DB8A65B))
    (comp (ref J8)
      (value SPI)
      (footprint Connector_PinSocket_2.54mm:PinSocket_1x05_P2.54mm_Vertical)
      (datasheet ~)
      (libsource (lib Connector) (part Conn_01x05_Female) (description "Generic connector, single row, 01x05, script generated (kicad-library-utils/schlib/autogen/connector/)"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D23EFE4))
    (comp (ref J9)
      (value I2C1)
      (footprint Connector_PinSocket_2.54mm:PinSocket_1x04_P2.54mm_Vertical)
      (datasheet ~)
      (libsource (lib Connector) (part Conn_01x04_Female) (description "Generic connector, single row, 01x04, script generated (kicad-library-utils/schlib/autogen/connector/)"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D25AACC))
    (comp (ref BZ1)
      (value "Buzzer 3v3")
      (footprint Buzzer_Beeper:Buzzer_12x9.5RM7.6)
      (datasheet ~)
      (libsource (lib Device) (part Buzzer) (description "Buzzer, polarized"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D26E7FE))
    (comp (ref Q4)
      (value IRML2502)
      (footprint Package_TO_SOT_SMD:SOT-23_Handsoldering)
      (datasheet ~)
      (libsource (lib Device) (part Q_NMOS_GSD) (description "N-MOSFET transistor, gate/source/drain"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D26FD1F))
    (comp (ref R18)
      (value 510)
      (footprint Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (datasheet ~)
      (libsource (lib Device) (part R) (description Resistor))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D270BFC))
    (comp (ref R19)
      (value 10k)
      (footprint Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (datasheet ~)
      (libsource (lib Device) (part R) (description Resistor))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D270E30))
    (comp (ref R14)
      (value 47k)
      (footprint Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (datasheet ~)
      (libsource (lib Device) (part R) (description Resistor))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D6F680F))
    (comp (ref C8)
      (value 0.1)
      (footprint Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (libsource (lib stm32-rescue) (part C) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D6F6C23))
    (comp (ref R15)
      (value 220)
      (footprint Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (datasheet ~)
      (libsource (lib Device) (part R) (description Resistor))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D70AEFE))
    (comp (ref D3)
      (value 1N5819)
      (footprint Diode_SMD:D_SOD-323_HandSoldering)
      (datasheet ~)
      (libsource (lib Device) (part D) (description Diode))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D71A16B))
    (comp (ref J4)
      (value Ext_trig1)
      (footprint TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-2-5.08_1x02_P5.08mm_Horizontal)
      (datasheet ~)
      (libsource (lib Connector_Generic) (part Conn_01x02) (description "Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/)"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D71C566))
    (comp (ref R11)
      (value 1k)
      (footprint Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (datasheet ~)
      (libsource (lib Device) (part R) (description Resistor))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D71C56C))
    (comp (ref R10)
      (value 1k)
      (footprint Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (datasheet ~)
      (libsource (lib Device) (part R) (description Resistor))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D71C575))
    (comp (ref C5)
      (value 0.1)
      (footprint Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (libsource (lib stm32-rescue) (part C) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D731D92))
    (comp (ref C6)
      (value 0.1)
      (footprint Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (libsource (lib stm32-rescue) (part C) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D762081))
    (comp (ref J5)
      (value Ext_trig0)
      (footprint TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-2-5.08_1x02_P5.08mm_Horizontal)
      (datasheet ~)
      (libsource (lib Connector_Generic) (part Conn_01x02) (description "Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/)"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D76DA8D))
    (comp (ref J3)
      (value PPS)
      (footprint Connector_PinSocket_2.54mm:PinSocket_1x02_P2.54mm_Vertical)
      (datasheet ~)
      (libsource (lib Connector_Generic) (part Conn_01x02) (description "Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/)"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D7A7F3A))
    (comp (ref R2)
      (value 2k2)
      (footprint Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (datasheet ~)
      (libsource (lib Device) (part R) (description Resistor))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D7AFF22))
    (comp (ref R1)
      (value 10k)
      (footprint Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (datasheet ~)
      (libsource (lib Device) (part R) (description Resistor))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D7B0280))
    (comp (ref R24)
      (value 47k)
      (footprint Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (datasheet ~)
      (libsource (lib Device) (part R) (description Resistor))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D9098F2))
    (comp (ref J12)
      (value SWD)
      (footprint Connector_PinSocket_2.54mm:PinSocket_1x04_P2.54mm_Vertical)
      (datasheet ~)
      (libsource (lib Connector) (part Conn_01x04_Female) (description "Generic connector, single row, 01x04, script generated (kicad-library-utils/schlib/autogen/connector/)"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D7C7FF0))
    (comp (ref J2)
      (value GPS_ext)
      (footprint Connector_JST:JST_PH_B5B-PH-K_1x05_P2.00mm_Vertical)
      (datasheet ~)
      (libsource (lib Connector) (part Conn_01x05_Male) (description "Generic connector, single row, 01x05, script generated (kicad-library-utils/schlib/autogen/connector/)"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D97B9F1))
    (comp (ref R23)
      (value 10k)
      (footprint Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (libsource (lib stm32-rescue) (part R) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D89AB78))
    (comp (ref Q3)
      (value SI2305)
      (footprint Package_TO_SOT_SMD:SOT-23_Handsoldering)
      (datasheet ~)
      (libsource (lib Device) (part Q_PMOS_GSD) (description "P-MOSFET transistor, gate/source/drain"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5DAE9810))
    (comp (ref JP3)
      (value Jumper)
      (footprint Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical)
      (datasheet ~)
      (libsource (lib Device) (part Jumper) (description "Jumper, normally closed"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5DAF3189))
    (comp (ref JP4)
      (value Jumper)
      (footprint Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical)
      (datasheet ~)
      (libsource (lib Device) (part Jumper) (description "Jumper, normally closed"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5DAF352F))
    (comp (ref JP1)
      (value Jumper)
      (footprint Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical)
      (datasheet ~)
      (libsource (lib Device) (part Jumper) (description "Jumper, normally closed"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5DAF37F9))
    (comp (ref JP2)
      (value Jumper)
      (footprint Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical)
      (datasheet ~)
      (libsource (lib Device) (part Jumper) (description "Jumper, normally closed"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5DAF3A70))
    (comp (ref R7)
      (value 510)
      (footprint Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (datasheet ~)
      (libsource (lib Device) (part R) (description Resistor))
      (sheetpath (names /) (tstamps /))
      (tstamp 5DB62E54))
    (comp (ref R8)
      (value 10k)
      (footprint Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (datasheet ~)
      (libsource (lib Device) (part R) (description Resistor))
      (sheetpath (names /) (tstamps /))
      (tstamp 5DB63352))
    (comp (ref R12)
      (value 1k)
      (footprint Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (datasheet ~)
      (libsource (lib Device) (part R) (description Resistor))
      (sheetpath (names /) (tstamps /))
      (tstamp 5DB6D635))
    (comp (ref D4)
      (value 1N5819)
      (footprint Diode_SMD:D_SOD-323_HandSoldering)
      (datasheet ~)
      (libsource (lib Device) (part D) (description Diode))
      (sheetpath (names /) (tstamps /))
      (tstamp 5DB7C58B))
    (comp (ref D5)
      (value 1N5819)
      (footprint Diode_SMD:D_SOD-323_HandSoldering)
      (datasheet ~)
      (libsource (lib Device) (part D) (description Diode))
      (sheetpath (names /) (tstamps /))
      (tstamp 5DB7D18A))
    (comp (ref Q1)
      (value MMBTA42)
      (footprint Package_TO_SOT_SMD:SOT-23_Handsoldering)
      (datasheet ~)
      (libsource (lib Device) (part Q_NPN_BEC) (description "NPN transistor, base/emitter/collector"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5DBCB563))
    (comp (ref R6)
      (value 1k)
      (footprint Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (datasheet ~)
      (libsource (lib Device) (part R) (description Resistor))
      (sheetpath (names /) (tstamps /))
      (tstamp 5DBE3095))
    (comp (ref J6)
      (value USB_B_Mini)
      (footprint Connector_USB:USB_Mini-B_Lumberg_2486_01_Horizontal)
      (datasheet ~)
      (libsource (lib Connector) (part USB_B_Mini) (description "USB Mini Type B connector"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5DC349EC))
    (comp (ref D6)
      (value 1N5819)
      (footprint Diode_SMD:D_SOD-323_HandSoldering)
      (datasheet ~)
      (libsource (lib Device) (part D_Schottky) (description "Schottky diode"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5DC70777))
    (comp (ref R13)
      (value 100)
      (footprint Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (datasheet ~)
      (libsource (lib Device) (part R) (description Resistor))
      (sheetpath (names /) (tstamps /))
      (tstamp 5DCBE012))
    (comp (ref C12)
      (value 0.1)
      (footprint Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (libsource (lib stm32-rescue) (part C) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5DCC8E3A))
    (comp (ref J7)
      (value Ext_trig2)
      (footprint TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-2-5.08_1x02_P5.08mm_Horizontal)
      (datasheet ~)
      (libsource (lib Connector_Generic) (part Conn_01x02) (description "Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/)"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5DCC8E40))
    (comp (ref R20)
      (value 1k)
      (footprint Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (datasheet ~)
      (libsource (lib Device) (part R) (description Resistor))
      (sheetpath (names /) (tstamps /))
      (tstamp 5DCC8E50))
    (comp (ref D10)
      (value 1N5819)
      (footprint Diode_SMD:D_SOD-323_HandSoldering)
      (datasheet ~)
      (libsource (lib Device) (part D) (description Diode))
      (sheetpath (names /) (tstamps /))
      (tstamp 5DCC8E63))
    (comp (ref D11)
      (value 1N5819)
      (footprint Diode_SMD:D_SOD-323_HandSoldering)
      (datasheet ~)
      (libsource (lib Device) (part D) (description Diode))
      (sheetpath (names /) (tstamps /))
      (tstamp 5DCC8E69))
    (comp (ref R21)
      (value 100)
      (footprint Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (datasheet ~)
      (libsource (lib Device) (part R) (description Resistor))
      (sheetpath (names /) (tstamps /))
      (tstamp 5DCC8E7B))
    (comp (ref U7)
      (value PC817)
      (footprint Package_DIP:DIP-4_W7.62mm)
      (datasheet http://www.soselectronic.cz/a_info/resource/d/pc817.pdf)
      (libsource (lib Isolator) (part PC817) (description "DC Optocoupler, Vce 35V, CTR 50-300%, DIP4"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5DC10FF3))
    (comp (ref J11)
      (value Bluetooth)
      (footprint Connector_PinSocket_2.54mm:PinSocket_1x06_P2.54mm_Vertical)
      (datasheet ~)
      (libsource (lib Connector) (part Conn_01x06_Female) (description "Generic connector, single row, 01x06, script generated (kicad-library-utils/schlib/autogen/connector/)"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D14396C))
    (comp (ref U3)
      (value 4N25)
      (footprint Package_DIP:DIP-6_W7.62mm)
      (datasheet https://www.vishay.com/docs/83725/4n25.pdf)
      (libsource (lib Isolator) (part 4N25) (description "DC Optocoupler Base Connected, Vce 30V, CTR 20%, Viso 2500V, DIP6"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5D6DB820)))
  (libparts
    (libpart (lib Chrono) (part L80-R)
      (footprints
        (fp L80-R))
      (fields
        (field (name Reference) U)
        (field (name Value) L80-R)
        (field (name Footprint) chrono:L80-R))
      (pins
        (pin (num 1) (name RXD) (type passive))
        (pin (num 2) (name TXD) (type passive))
        (pin (num 3) (name Gnd) (type passive))
        (pin (num 4) (name Vcc) (type passive))
        (pin (num 5) (name V_BKP) (type passive))
        (pin (num 6) (name PPS) (type passive))
        (pin (num 7) (name Res) (type passive))
        (pin (num 8) (name Res) (type passive))
        (pin (num 9) (name NC) (type passive))
        (pin (num 10) (name RESET) (type passive))
        (pin (num 11) (name Res) (type passive))
        (pin (num 12) (name Gnd) (type passive))))
    (libpart (lib Connector) (part Conn_01x04_Female)
      (description "Generic connector, single row, 01x04, script generated (kicad-library-utils/schlib/autogen/connector/)")
      (docs ~)
      (footprints
        (fp Connector*:*_1x??_*))
      (fields
        (field (name Reference) J)
        (field (name Value) Conn_01x04_Female))
      (pins
        (pin (num 1) (name Pin_1) (type passive))
        (pin (num 2) (name Pin_2) (type passive))
        (pin (num 3) (name Pin_3) (type passive))
        (pin (num 4) (name Pin_4) (type passive))))
    (libpart (lib Connector) (part Conn_01x05_Female)
      (description "Generic connector, single row, 01x05, script generated (kicad-library-utils/schlib/autogen/connector/)")
      (docs ~)
      (footprints
        (fp Connector*:*_1x??_*))
      (fields
        (field (name Reference) J)
        (field (name Value) Conn_01x05_Female))
      (pins
        (pin (num 1) (name Pin_1) (type passive))
        (pin (num 2) (name Pin_2) (type passive))
        (pin (num 3) (name Pin_3) (type passive))
        (pin (num 4) (name Pin_4) (type passive))
        (pin (num 5) (name Pin_5) (type passive))))
    (libpart (lib Connector) (part Conn_01x05_Male)
      (description "Generic connector, single row, 01x05, script generated (kicad-library-utils/schlib/autogen/connector/)")
      (docs ~)
      (footprints
        (fp Connector*:*_1x??_*))
      (fields
        (field (name Reference) J)
        (field (name Value) Conn_01x05_Male))
      (pins
        (pin (num 1) (name Pin_1) (type passive))
        (pin (num 2) (name Pin_2) (type passive))
        (pin (num 3) (name Pin_3) (type passive))
        (pin (num 4) (name Pin_4) (type passive))
        (pin (num 5) (name Pin_5) (type passive))))
    (libpart (lib Connector) (part Conn_01x06_Female)
      (description "Generic connector, single row, 01x06, script generated (kicad-library-utils/schlib/autogen/connector/)")
      (docs ~)
      (footprints
        (fp Connector*:*_1x??_*))
      (fields
        (field (name Reference) J)
        (field (name Value) Conn_01x06_Female))
      (pins
        (pin (num 1) (name Pin_1) (type passive))
        (pin (num 2) (name Pin_2) (type passive))
        (pin (num 3) (name Pin_3) (type passive))
        (pin (num 4) (name Pin_4) (type passive))
        (pin (num 5) (name Pin_5) (type passive))
        (pin (num 6) (name Pin_6) (type passive))))
    (libpart (lib Connector) (part USB_B_Micro)
      (aliases
        (alias USB_B_Mini))
      (description "USB Micro Type B connector")
      (docs ~)
      (footprints
        (fp USB*))
      (fields
        (field (name Reference) J)
        (field (name Value) USB_B_Micro))
      (pins
        (pin (num 1) (name VBUS) (type power_out))
        (pin (num 2) (name D-) (type passive))
        (pin (num 3) (name D+) (type passive))
        (pin (num 4) (name ID) (type passive))
        (pin (num 5) (name GND) (type power_out))
        (pin (num 6) (name Shield) (type passive))))
    (libpart (lib Connector_Generic) (part Conn_01x02)
      (description "Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/)")
      (docs ~)
      (footprints
        (fp Connector*:*_1x??_*))
      (fields
        (field (name Reference) J)
        (field (name Value) Conn_01x02))
      (pins
        (pin (num 1) (name Pin_1) (type passive))
        (pin (num 2) (name Pin_2) (type passive))))
    (libpart (lib Device) (part Buzzer)
      (description "Buzzer, polarized")
      (docs ~)
      (footprints
        (fp *Buzzer*))
      (fields
        (field (name Reference) BZ)
        (field (name Value) Buzzer))
      (pins
        (pin (num 1) (name -) (type passive))
        (pin (num 2) (name +) (type passive))))
    (libpart (lib Device) (part C)
      (description "Unpolarized capacitor")
      (docs ~)
      (footprints
        (fp C_*))
      (fields
        (field (name Reference) C)
        (field (name Value) C))
      (pins
        (pin (num 1) (name ~) (type passive))
        (pin (num 2) (name ~) (type passive))))
    (libpart (lib Device) (part Crystal)
      (description "Two pin crystal")
      (docs ~)
      (footprints
        (fp Crystal*))
      (fields
        (field (name Reference) Y)
        (field (name Value) Crystal))
      (pins
        (pin (num 1) (name 1) (type passive))
        (pin (num 2) (name 2) (type passive))))
    (libpart (lib Device) (part D)
      (description Diode)
      (docs ~)
      (footprints
        (fp TO-???*)
        (fp *_Diode_*)
        (fp *SingleDiode*)
        (fp D_*))
      (fields
        (field (name Reference) D)
        (field (name Value) D))
      (pins
        (pin (num 1) (name K) (type passive))
        (pin (num 2) (name A) (type passive))))
    (libpart (lib Device) (part D_Schottky)
      (description "Schottky diode")
      (docs ~)
      (footprints
        (fp TO-???*)
        (fp *_Diode_*)
        (fp *SingleDiode*)
        (fp D_*))
      (fields
        (field (name Reference) D)
        (field (name Value) D_Schottky))
      (pins
        (pin (num 1) (name K) (type passive))
        (pin (num 2) (name A) (type passive))))
    (libpart (lib Device) (part D_Zener)
      (description "Zener diode")
      (docs ~)
      (footprints
        (fp TO-???*)
        (fp *_Diode_*)
        (fp *SingleDiode*)
        (fp D_*))
      (fields
        (field (name Reference) D)
        (field (name Value) D_Zener))
      (pins
        (pin (num 1) (name K) (type passive))
        (pin (num 2) (name A) (type passive))))
    (libpart (lib Device) (part Jumper)
      (description "Jumper, normally closed")
      (docs ~)
      (footprints
        (fp SolderJumper*))
      (fields
        (field (name Reference) JP)
        (field (name Value) Jumper))
      (pins
        (pin (num 1) (name 1) (type passive))
        (pin (num 2) (name 2) (type passive))))
    (libpart (lib Device) (part Q_NMOS_GSD)
      (description "N-MOSFET transistor, gate/source/drain")
      (docs ~)
      (fields
        (field (name Reference) Q)
        (field (name Value) Q_NMOS_GSD))
      (pins
        (pin (num 1) (name G) (type input))
        (pin (num 2) (name S) (type passive))
        (pin (num 3) (name D) (type passive))))
    (libpart (lib Device) (part Q_NPN_BEC)
      (description "NPN transistor, base/emitter/collector")
      (docs ~)
      (fields
        (field (name Reference) Q)
        (field (name Value) Q_NPN_BEC))
      (pins
        (pin (num 1) (name B) (type input))
        (pin (num 2) (name E) (type passive))
        (pin (num 3) (name C) (type passive))))
    (libpart (lib Device) (part Q_PMOS_GSD)
      (description "P-MOSFET transistor, gate/source/drain")
      (docs ~)
      (fields
        (field (name Reference) Q)
        (field (name Value) Q_PMOS_GSD))
      (pins
        (pin (num 1) (name G) (type input))
        (pin (num 2) (name S) (type passive))
        (pin (num 3) (name D) (type passive))))
    (libpart (lib Device) (part R)
      (description Resistor)
      (docs ~)
      (footprints
        (fp R_*))
      (fields
        (field (name Reference) R)
        (field (name Value) R))
      (pins
        (pin (num 1) (name ~) (type passive))
        (pin (num 2) (name ~) (type passive))))
    (libpart (lib Isolator) (part 4N25)
      (aliases
        (alias 4N26)
        (alias TIL111)
        (alias 4N27)
        (alias 4N28)
        (alias 4N35)
        (alias 4N36)
        (alias 4N37))
      (description "DC Optocoupler Base Connected, Vce 30V, CTR 20%, Viso 2500V, DIP6")
      (docs https://www.vishay.com/docs/83725/4n25.pdf)
      (footprints
        (fp DIP*W7.62mm*))
      (fields
        (field (name Reference) U)
        (field (name Value) 4N25)
        (field (name Footprint) Package_DIP:DIP-6_W7.62mm))
      (pins
        (pin (num 1) (name ~) (type passive))
        (pin (num 2) (name ~) (type passive))
        (pin (num 3) (name NC) (type NotConnected))
        (pin (num 4) (name ~) (type passive))
        (pin (num 5) (name ~) (type passive))
        (pin (num 6) (name ~) (type passive))))
    (libpart (lib Isolator) (part PC817)
      (description "DC Optocoupler, Vce 35V, CTR 50-300%, DIP4")
      (docs http://www.soselectronic.cz/a_info/resource/d/pc817.pdf)
      (footprints
        (fp DIP*W7.62mm*))
      (fields
        (field (name Reference) U)
        (field (name Value) PC817)
        (field (name Footprint) Package_DIP:DIP-4_W7.62mm))
      (pins
        (pin (num 1) (name ~) (type passive))
        (pin (num 2) (name ~) (type passive))
        (pin (num 3) (name ~) (type passive))
        (pin (num 4) (name ~) (type passive))))
    (libpart (lib MCU_ST_STM32F1) (part STM32F103C4Tx)
      (aliases
        (alias STM32F103C6Tx))
      (description "ARM Cortex-M3 MCU, 16KB flash, 6KB RAM, 72MHz, 2-3.6V, 37 GPIO, LQFP-48")
      (docs http://www.st.com/st-web-ui/static/active/en/resource/technical/document/datasheet/CD00210843.pdf)
      (footprints
        (fp LQFP*7x7mm*P0.5mm*))
      (fields
        (field (name Reference) U)
        (field (name Value) STM32F103C4Tx)
        (field (name Footprint) Package_QFP:LQFP-48_7x7mm_P0.5mm))
      (pins
        (pin (num 1) (name VBAT) (type power_in))
        (pin (num 2) (name PC13) (type BiDi))
        (pin (num 3) (name PC14) (type BiDi))
        (pin (num 4) (name PC15) (type BiDi))
        (pin (num 5) (name PD0) (type input))
        (pin (num 6) (name PD1) (type input))
        (pin (num 7) (name NRST) (type input))
        (pin (num 8) (name VSSA) (type power_in))
        (pin (num 9) (name VDDA) (type power_in))
        (pin (num 10) (name PA0) (type BiDi))
        (pin (num 11) (name PA1) (type BiDi))
        (pin (num 12) (name PA2) (type BiDi))
        (pin (num 13) (name PA3) (type BiDi))
        (pin (num 14) (name PA4) (type BiDi))
        (pin (num 15) (name PA5) (type BiDi))
        (pin (num 16) (name PA6) (type BiDi))
        (pin (num 17) (name PA7) (type BiDi))
        (pin (num 18) (name PB0) (type BiDi))
        (pin (num 19) (name PB1) (type BiDi))
        (pin (num 20) (name PB2) (type BiDi))
        (pin (num 21) (name PB10) (type BiDi))
        (pin (num 22) (name PB11) (type BiDi))
        (pin (num 23) (name VSS) (type power_in))
        (pin (num 24) (name VDD) (type power_in))
        (pin (num 25) (name PB12) (type BiDi))
        (pin (num 26) (name PB13) (type BiDi))
        (pin (num 27) (name PB14) (type BiDi))
        (pin (num 28) (name PB15) (type BiDi))
        (pin (num 29) (name PA8) (type BiDi))
        (pin (num 30) (name PA9) (type BiDi))
        (pin (num 31) (name PA10) (type BiDi))
        (pin (num 32) (name PA11) (type BiDi))
        (pin (num 33) (name PA12) (type BiDi))
        (pin (num 34) (name PA13) (type BiDi))
        (pin (num 35) (name VSS) (type power_in))
        (pin (num 36) (name VDD) (type power_in))
        (pin (num 37) (name PA14) (type BiDi))
        (pin (num 38) (name PA15) (type BiDi))
        (pin (num 39) (name PB3) (type BiDi))
        (pin (num 40) (name PB4) (type BiDi))
        (pin (num 41) (name PB5) (type BiDi))
        (pin (num 42) (name PB6) (type BiDi))
        (pin (num 43) (name PB7) (type BiDi))
        (pin (num 44) (name BOOT0) (type input))
        (pin (num 45) (name PB8) (type BiDi))
        (pin (num 46) (name PB9) (type BiDi))
        (pin (num 47) (name VSS) (type power_in))
        (pin (num 48) (name VDD) (type power_in))))
    (libpart (lib Power_Protection) (part USBLC6-2SC6)
      (description "Bidirectional ESD Protection Diode, SOT-23-6")
      (docs http://www2.st.com/resource/en/datasheet/CD00050750.pdf)
      (footprints
        (fp SOT?23*))
      (fields
        (field (name Reference) U)
        (field (name Value) USBLC6-2SC6)
        (field (name Footprint) Package_TO_SOT_SMD:SOT-23-6))
      (pins
        (pin (num 1) (name IO1) (type passive))
        (pin (num 2) (name GND) (type passive))
        (pin (num 3) (name IO2) (type passive))
        (pin (num 4) (name IO2) (type passive))
        (pin (num 5) (name VBUS) (type passive))
        (pin (num 6) (name IO1) (type passive))))
    (libpart (lib stm32-rescue) (part C)
      (footprints
        (fp C_*))
      (fields
        (field (name Reference) C)
        (field (name Value) C))
      (pins
        (pin (num 1) (name ~) (type passive))
        (pin (num 2) (name ~) (type passive))))
    (libpart (lib stm32-rescue) (part CP)
      (footprints
        (fp CP_*))
      (fields
        (field (name Reference) C)
        (field (name Value) CP))
      (pins
        (pin (num 1) (name ~) (type passive))
        (pin (num 2) (name ~) (type passive))))
    (libpart (lib stm32-rescue) (part D)
      (footprints
        (fp TO-???*)
        (fp *SingleDiode)
        (fp *_Diode_*)
        (fp *SingleDiode*)
        (fp D_*))
      (fields
        (field (name Reference) D)
        (field (name Value) D))
      (pins
        (pin (num 1) (name K) (type passive))
        (pin (num 2) (name A) (type passive))))
    (libpart (lib stm32-rescue) (part L)
      (footprints
        (fp Choke_*)
        (fp *Coil*)
        (fp Inductor_*)
        (fp L_*))
      (fields
        (field (name Reference) L)
        (field (name Value) L))
      (pins
        (pin (num 1) (name 1) (type passive))
        (pin (num 2) (name 2) (type passive))))
    (libpart (lib stm32-rescue) (part LED-RESCUE-stm32)
      (footprints
        (fp LED*))
      (fields
        (field (name Reference) D)
        (field (name Value) LED-RESCUE-stm32))
      (pins
        (pin (num 1) (name K) (type passive))
        (pin (num 2) (name A) (type passive))))
    (libpart (lib stm32-rescue) (part LM1117-3.3-RESCUE-stm32)
      (footprints
        (fp SOT-223*)
        (fp TO-263*)
        (fp TO-252*))
      (fields
        (field (name Reference) U)
        (field (name Value) LM1117-3.3-RESCUE-stm32))
      (pins
        (pin (num 1) (name GND/ADJ) (type power_in))
        (pin (num 2) (name VO) (type passive))
        (pin (num 3) (name VI) (type power_in))
        (pin (num 4) (name VO) (type power_out))))
    (libpart (lib stm32-rescue) (part LM2576HV)
      (footprints
        (fp *DIP8)
        (fp SOIC8))
      (fields
        (field (name Reference) U)
        (field (name Value) LM2576HV)
        (field (name Manufacturer) "Texas Instruments"))
      (pins
        (pin (num 1) (name VIN) (type power_in))
        (pin (num 2) (name VOUT) (type power_out))
        (pin (num 3) (name GND) (type power_in))
        (pin (num 4) (name FB) (type input))
        (pin (num 5) (name ON/OFF) (type input))))
    (libpart (lib stm32-rescue) (part Q_PMOS_GSD)
      (fields
        (field (name Reference) Q)
        (field (name Value) Q_PMOS_GSD))
      (pins
        (pin (num 1) (name G) (type input))
        (pin (num 2) (name S) (type passive))
        (pin (num 3) (name D) (type passive))))
    (libpart (lib stm32-rescue) (part R)
      (footprints
        (fp R_*)
        (fp R_*))
      (fields
        (field (name Reference) R)
        (field (name Value) R))
      (pins
        (pin (num 1) (name ~) (type passive))
        (pin (num 2) (name ~) (type passive))))
    (libpart (lib stm32-rescue) (part USB_A-RESCUE-stm32)
      (footprints
        (fp USB*))
      (fields
        (field (name Reference) P)
        (field (name Value) USB_A-RESCUE-stm32))
      (pins
        (pin (num 1) (name VBUS) (type power_in))
        (pin (num 2) (name D-) (type passive))
        (pin (num 3) (name D+) (type passive))
        (pin (num 4) (name GND) (type power_in))
        (pin (num 5) (name shield) (type passive)))))
  (libraries
    (library (logical Chrono)
      (uri /Big/Data/00__Electronics/STM32/F1-nolib/chronometer_v1/kicad/Chrono.lib))
    (library (logical Connector)
      (uri /usr/share/kicad/library/Connector.lib))
    (library (logical Connector_Generic)
      (uri /usr/share/kicad/library/Connector_Generic.lib))
    (library (logical Device)
      (uri /usr/share/kicad/library/Device.lib))
    (library (logical Isolator)
      (uri /usr/share/kicad/library/Isolator.lib))
    (library (logical MCU_ST_STM32F1)
      (uri /usr/share/kicad/library/MCU_ST_STM32F1.lib))
    (library (logical Power_Protection)
      (uri /usr/share/kicad/library/Power_Protection.lib))
    (library (logical stm32-rescue)
      (uri /Big/Data/00__Electronics/STM32/F1-nolib/chronometer_v1/kicad/stm32-rescue.lib)))
  (nets
    (net (code 1) (name GND)
      (node (ref J6) (pin 5))
      (node (ref C3) (pin 2))
      (node (ref J6) (pin 4))
      (node (ref R6) (pin 1))
      (node (ref J6) (pin 6))
      (node (ref C17) (pin 1))
      (node (ref U1) (pin 2))
      (node (ref P1) (pin 5))
      (node (ref P1) (pin 4))
      (node (ref C16) (pin 1))
      (node (ref C15) (pin 1))
      (node (ref C12) (pin 2))
      (node (ref U3) (pin 4))
      (node (ref J11) (pin 4))
      (node (ref D11) (pin 2))
      (node (ref J7) (pin 1))
      (node (ref C8) (pin 2))
      (node (ref U7) (pin 3))
      (node (ref D5) (pin 2))
      (node (ref C9) (pin 2))
      (node (ref J8) (pin 1))
      (node (ref J1) (pin 1))
      (node (ref J10) (pin 3))
      (node (ref C1) (pin 2))
      (node (ref C2) (pin 2))
      (node (ref R22) (pin 2))
      (node (ref C4) (pin 2))
      (node (ref C7) (pin 2))
      (node (ref C13) (pin 2))
      (node (ref R5) (pin 1))
      (node (ref D7) (pin 2))
      (node (ref U5) (pin 3))
      (node (ref U5) (pin 12))
      (node (ref C11) (pin 1))
      (node (ref C10) (pin 1))
      (node (ref U4) (pin 1))
      (node (ref U2) (pin 3))
      (node (ref C14) (pin 1))
      (node (ref U6) (pin 8))
      (node (ref U6) (pin 47))
      (node (ref U6) (pin 35))
      (node (ref U6) (pin 23))
      (node (ref U2) (pin 5))
      (node (ref R1) (pin 2))
      (node (ref R23) (pin 2))
      (node (ref J12) (pin 4))
      (node (ref J5) (pin 1))
      (node (ref J3) (pin 1))
      (node (ref J2) (pin 1))
      (node (ref J9) (pin 4))
      (node (ref C6) (pin 2))
      (node (ref R19) (pin 2))
      (node (ref Q4) (pin 2))
      (node (ref R14) (pin 1)))
    (net (code 2) (name /U1Tx)
      (node (ref J11) (pin 2))
      (node (ref U6) (pin 30)))
    (net (code 3) (name /U1Rx)
      (node (ref J11) (pin 3))
      (node (ref U6) (pin 31)))
    (net (code 4) (name "Net-(J11-Pad1)")
      (node (ref U6) (pin 29))
      (node (ref J11) (pin 1)))
    (net (code 5) (name "Net-(J11-Pad6)")
      (node (ref J11) (pin 6))
      (node (ref R24) (pin 2)))
    (net (code 6) (name /PPS)
      (node (ref R1) (pin 1))
      (node (ref JP2) (pin 1))
      (node (ref R2) (pin 2))
      (node (ref J2) (pin 4))
      (node (ref U6) (pin 11)))
    (net (code 7) (name "Net-(Q1-Pad1)")
      (node (ref Q1) (pin 1))
      (node (ref R2) (pin 1)))
    (net (code 8) (name /SWCLK)
      (node (ref J12) (pin 2))
      (node (ref U6) (pin 37)))
    (net (code 9) (name /SWDIO)
      (node (ref U6) (pin 34))
      (node (ref J12) (pin 3)))
    (net (code 10) (name "Net-(Q3-Pad3)")
      (node (ref Q3) (pin 3))
      (node (ref R9) (pin 1)))
    (net (code 11) (name +3V3)
      (node (ref R17) (pin 2))
      (node (ref JP1) (pin 1))
      (node (ref C13) (pin 1))
      (node (ref C17) (pin 2))
      (node (ref Q3) (pin 2))
      (node (ref C14) (pin 2))
      (node (ref U4) (pin 2))
      (node (ref U4) (pin 4))
      (node (ref J2) (pin 5))
      (node (ref R16) (pin 2))
      (node (ref C15) (pin 2))
      (node (ref R8) (pin 2))
      (node (ref C16) (pin 2))
      (node (ref U6) (pin 9))
      (node (ref D4) (pin 1))
      (node (ref J12) (pin 1))
      (node (ref D10) (pin 1))
      (node (ref R20) (pin 2))
      (node (ref U6) (pin 48))
      (node (ref U6) (pin 36))
      (node (ref U6) (pin 24))
      (node (ref U6) (pin 1))
      (node (ref R15) (pin 1))
      (node (ref BZ1) (pin 1))
      (node (ref R12) (pin 2)))
    (net (code 12) (name "Net-(R23-Pad1)")
      (node (ref U6) (pin 44))
      (node (ref R23) (pin 1)))
    (net (code 13) (name "Net-(U6-Pad7)")
      (node (ref U6) (pin 7)))
    (net (code 14) (name "Net-(Q3-Pad1)")
      (node (ref Q3) (pin 1))
      (node (ref R7) (pin 1)))
    (net (code 15) (name "Net-(JP3-Pad2)")
      (node (ref JP3) (pin 2))
      (node (ref U5) (pin 1)))
    (net (code 16) (name "Net-(JP4-Pad2)")
      (node (ref U5) (pin 2))
      (node (ref JP4) (pin 2)))
    (net (code 17) (name "Net-(JP2-Pad2)")
      (node (ref JP2) (pin 2))
      (node (ref U5) (pin 6)))
    (net (code 18) (name /U3Rx)
      (node (ref J2) (pin 3))
      (node (ref JP4) (pin 1))
      (node (ref U6) (pin 13)))
    (net (code 19) (name "Net-(U6-Pad14)")
      (node (ref U6) (pin 14)))
    (net (code 20) (name /U3Tx)
      (node (ref J2) (pin 2))
      (node (ref U6) (pin 12))
      (node (ref JP3) (pin 1)))
    (net (code 21) (name "Net-(BZ1-Pad2)")
      (node (ref Q4) (pin 3))
      (node (ref BZ1) (pin 2)))
    (net (code 22) (name "Net-(Q4-Pad1)")
      (node (ref R18) (pin 1))
      (node (ref Q4) (pin 1)))
    (net (code 23) (name /buzzer)
      (node (ref R18) (pin 2))
      (node (ref U6) (pin 2))
      (node (ref R19) (pin 1)))
    (net (code 24) (name +5V)
      (node (ref J11) (pin 5))
      (node (ref U1) (pin 5))
      (node (ref R24) (pin 1))
      (node (ref J10) (pin 4))
      (node (ref D2) (pin 1))
      (node (ref C9) (pin 1))
      (node (ref U2) (pin 4))
      (node (ref U4) (pin 3))
      (node (ref L1) (pin 1))
      (node (ref Q1) (pin 3))
      (node (ref C7) (pin 1))
      (node (ref D6) (pin 1))
      (node (ref J8) (pin 5))
      (node (ref J9) (pin 1)))
    (net (code 25) (name /SDA)
      (node (ref U6) (pin 43))
      (node (ref J9) (pin 3)))
    (net (code 26) (name "Net-(J4-Pad2)")
      (node (ref J4) (pin 2))
      (node (ref R10) (pin 1)))
    (net (code 27) (name "Net-(C5-Pad1)")
      (node (ref C5) (pin 1))
      (node (ref D3) (pin 2))
      (node (ref R11) (pin 2))
      (node (ref U3) (pin 2))
      (node (ref R10) (pin 2))
      (node (ref U7) (pin 2)))
    (net (code 28) (name "Net-(R14-Pad2)")
      (node (ref U3) (pin 6))
      (node (ref R14) (pin 2)))
    (net (code 29) (name /TRIG1)
      (node (ref U6) (pin 19))
      (node (ref C8) (pin 1))
      (node (ref R15) (pin 2))
      (node (ref U7) (pin 4))
      (node (ref U3) (pin 5)))
    (net (code 30) (name "Net-(C12-Pad1)")
      (node (ref D11) (pin 1))
      (node (ref R20) (pin 1))
      (node (ref D10) (pin 2))
      (node (ref C12) (pin 1))
      (node (ref J7) (pin 2))
      (node (ref R21) (pin 1)))
    (net (code 31) (name /TRIG2)
      (node (ref R21) (pin 2))
      (node (ref U6) (pin 39)))
    (net (code 32) (name "Net-(U3-Pad3)")
      (node (ref U3) (pin 3)))
    (net (code 33) (name "Net-(C5-Pad2)")
      (node (ref U7) (pin 1))
      (node (ref R11) (pin 1))
      (node (ref J4) (pin 1))
      (node (ref D3) (pin 1))
      (node (ref U3) (pin 1))
      (node (ref C5) (pin 2)))
    (net (code 34) (name "Net-(C6-Pad1)")
      (node (ref J5) (pin 2))
      (node (ref R13) (pin 1))
      (node (ref D4) (pin 2))
      (node (ref R12) (pin 1))
      (node (ref D5) (pin 1))
      (node (ref C6) (pin 1)))
    (net (code 35) (name /USB_PU)
      (node (ref R7) (pin 2))
      (node (ref R8) (pin 1))
      (node (ref U6) (pin 38)))
    (net (code 36) (name "Net-(D6-Pad2)")
      (node (ref J6) (pin 1))
      (node (ref D6) (pin 2)))
    (net (code 37) (name /TRIG0)
      (node (ref U6) (pin 18))
      (node (ref R13) (pin 2)))
    (net (code 38) (name "Net-(J3-Pad2)")
      (node (ref Q1) (pin 2))
      (node (ref J3) (pin 2))
      (node (ref R6) (pin 2)))
    (net (code 39) (name "Net-(J1-Pad2)")
      (node (ref J1) (pin 2))
      (node (ref Q2) (pin 3)))
    (net (code 40) (name /LED0)
      (node (ref U6) (pin 46))
      (node (ref D8) (pin 1)))
    (net (code 41) (name "Net-(D8-Pad2)")
      (node (ref D8) (pin 2))
      (node (ref R16) (pin 1)))
    (net (code 42) (name /LED1)
      (node (ref D9) (pin 1))
      (node (ref U6) (pin 45)))
    (net (code 43) (name "Net-(D9-Pad2)")
      (node (ref D9) (pin 2))
      (node (ref R17) (pin 1)))
    (net (code 44) (name "Net-(R3-Pad1)")
      (node (ref R3) (pin 1))
      (node (ref U1) (pin 1)))
    (net (code 45) (name "Net-(R4-Pad1)")
      (node (ref U1) (pin 3))
      (node (ref R4) (pin 1)))
    (net (code 46) (name /DP)
      (node (ref R9) (pin 2))
      (node (ref U1) (pin 6))
      (node (ref P1) (pin 3))
      (node (ref J6) (pin 3)))
    (net (code 47) (name "Net-(D1-Pad2)")
      (node (ref Q2) (pin 1))
      (node (ref R5) (pin 2))
      (node (ref D1) (pin 2)))
    (net (code 48) (name "Net-(U6-Pad25)")
      (node (ref U6) (pin 25)))
    (net (code 49) (name "Net-(U6-Pad26)")
      (node (ref U6) (pin 26)))
    (net (code 50) (name "Net-(U6-Pad27)")
      (node (ref U6) (pin 27)))
    (net (code 51) (name "Net-(U6-Pad28)")
      (node (ref U6) (pin 28)))
    (net (code 52) (name "Net-(U6-Pad40)")
      (node (ref U6) (pin 40)))
    (net (code 53) (name "Net-(U6-Pad41)")
      (node (ref U6) (pin 41)))
    (net (code 54) (name /SCL)
      (node (ref U6) (pin 42))
      (node (ref J9) (pin 2)))
    (net (code 55) (name "Net-(U6-Pad3)")
      (node (ref U6) (pin 3)))
    (net (code 56) (name "Net-(U6-Pad4)")
      (node (ref U6) (pin 4)))
    (net (code 57) (name "Net-(U6-Pad10)")
      (node (ref U6) (pin 10)))
    (net (code 58) (name /USBDM)
      (node (ref R4) (pin 2))
      (node (ref U6) (pin 32)))
    (net (code 59) (name /USBDP)
      (node (ref U6) (pin 33))
      (node (ref R3) (pin 2)))
    (net (code 60) (name /MISO)
      (node (ref J8) (pin 3))
      (node (ref U6) (pin 16)))
    (net (code 61) (name /MOSI)
      (node (ref U6) (pin 17))
      (node (ref J8) (pin 2)))
    (net (code 62) (name "Net-(C3-Pad1)")
      (node (ref U2) (pin 1))
      (node (ref D1) (pin 1))
      (node (ref Q2) (pin 2))
      (node (ref C3) (pin 1))
      (node (ref C4) (pin 1)))
    (net (code 63) (name "Net-(D7-Pad1)")
      (node (ref L1) (pin 2))
      (node (ref U2) (pin 2))
      (node (ref D7) (pin 1)))
    (net (code 64) (name "Net-(U5-Pad9)")
      (node (ref U5) (pin 9)))
    (net (code 65) (name "Net-(C10-Pad2)")
      (node (ref JP1) (pin 2))
      (node (ref C11) (pin 2))
      (node (ref U5) (pin 4))
      (node (ref C10) (pin 2))
      (node (ref U5) (pin 5)))
    (net (code 66) (name "Net-(U5-Pad7)")
      (node (ref U5) (pin 7)))
    (net (code 67) (name "Net-(U5-Pad8)")
      (node (ref U5) (pin 8)))
    (net (code 68) (name "Net-(U5-Pad11)")
      (node (ref U5) (pin 11)))
    (net (code 69) (name "Net-(U5-Pad10)")
      (node (ref U5) (pin 10)))
    (net (code 70) (name "Net-(D2-Pad2)")
      (node (ref D2) (pin 2))
      (node (ref P1) (pin 1)))
    (net (code 71) (name /SCK)
      (node (ref U6) (pin 15))
      (node (ref J8) (pin 4)))
    (net (code 72) (name /DM)
      (node (ref J6) (pin 2))
      (node (ref U1) (pin 4))
      (node (ref P1) (pin 2)))
    (net (code 73) (name "Net-(R22-Pad1)")
      (node (ref U6) (pin 20))
      (node (ref R22) (pin 1)))
    (net (code 74) (name /OSC_OUT)
      (node (ref C2) (pin 1))
      (node (ref Y1) (pin 2))
      (node (ref U6) (pin 6)))
    (net (code 75) (name /OSC_IN)
      (node (ref U6) (pin 5))
      (node (ref C1) (pin 1))
      (node (ref Y1) (pin 1)))
    (net (code 76) (name /U2Tx)
      (node (ref U6) (pin 21))
      (node (ref J10) (pin 1)))
    (net (code 77) (name /U2Rx)
      (node (ref U6) (pin 22))
      (node (ref J10) (pin 2)))))