(export (version D) (design (source /home/eddy/Docs/SAO/ELECTRONICS/STM32/F0-srcs/canusb/stm32.sch) (date "Чт 21 мая 2020 12:04:16") (tool "Eeschema 5.1.4") (sheet (number 1) (name /) (tstamps /) (title_block (title "STM32F0x2 based USB<>CAN converter (isolated)") (company "SAO RAS") (rev) (date) (source stm32.sch) (comment (number 1) (value "")) (comment (number 2) (value "")) (comment (number 3) (value "")) (comment (number 4) (value ""))))) (components (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 58C42D39)) (comp (ref U2) (value MCP2551-I/SN) (footprint Package_SO:SOIC-8_3.9x4.9mm_P1.27mm) (libsource (lib stm32-rescue) (part MCP2551-I_SN) (description "")) (sheetpath (names /) (tstamps /)) (tstamp 58C43297)) (comp (ref C1) (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 58C454F6)) (comp (ref D1) (value PESD1CAN) (footprint TO_SOT_Packages_SMD:SOT-23) (libsource (lib elements) (part PESD1CAN) (description "CAN bus ESD protection")) (sheetpath (names /) (tstamps /)) (tstamp 58C46522)) (comp (ref R2) (value 4k7) (footprint Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder) (libsource (lib stm32-rescue) (part R) (description "")) (sheetpath (names /) (tstamps /)) (tstamp 58C47F04)) (comp (ref D3) (value LED0) (footprint LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder) (libsource (lib stm32-rescue) (part LED-RESCUE-stm32) (description "")) (sheetpath (names /) (tstamps /)) (tstamp 5908EA64)) (comp (ref R7) (value 330) (footprint Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder) (libsource (lib stm32-rescue) (part R) (description "")) (sheetpath (names /) (tstamps /)) (tstamp 5908EB17)) (comp (ref C4) (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 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 59093675)) (comp (ref D2) (value USB6B1) (footprint Package_SO:SOIC-8_3.9x4.9mm_P1.27mm) (libsource (lib elements) (part USB6B1) (description "USB bus ESD protection")) (sheetpath (names /) (tstamps /)) (tstamp 59098D4D)) (comp (ref D4) (value LED1) (footprint LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder) (libsource (lib stm32-rescue) (part LED-RESCUE-stm32) (description "")) (sheetpath (names /) (tstamps /)) (tstamp 5909AF9A)) (comp (ref R8) (value 330) (footprint Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder) (libsource (lib stm32-rescue) (part R) (description "")) (sheetpath (names /) (tstamps /)) (tstamp 5909AFA0)) (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 590A8102)) (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 590D30C8)) (comp (ref P1) (value Hole) (footprint my_footprints:Hole_3mm) (libsource (lib stm32-rescue) (part CONN_01X01) (description "")) (sheetpath (names /) (tstamps /)) (tstamp 59143415)) (comp (ref P2) (value Hole) (footprint my_footprints:Hole_3mm) (libsource (lib stm32-rescue) (part CONN_01X01) (description "")) (sheetpath (names /) (tstamps /)) (tstamp 5914456D)) (comp (ref P3) (value Hole) (footprint my_footprints:Hole_3mm) (libsource (lib stm32-rescue) (part CONN_01X01) (description "")) (sheetpath (names /) (tstamps /)) (tstamp 591446F3)) (comp (ref P4) (value Hole) (footprint my_footprints:Hole_3mm) (libsource (lib stm32-rescue) (part CONN_01X01) (description "")) (sheetpath (names /) (tstamps /)) (tstamp 591446F9)) (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 5968E385)) (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 5968E83B)) (comp (ref U4) (value ISO1050DUB) (footprint Package_SO:SOP-8_6.62x9.15mm_P2.54mm) (datasheet http://www.ti.com/lit/ds/symlink/iso1050.pdf) (libsource (lib Interface_CAN_LIN) (part ISO1050DUB) (description "Isolated CAN Transceiver, SOP-8")) (sheetpath (names /) (tstamps /)) (tstamp 5EC5A80C)) (comp (ref Q1) (value B0505S) (footprint my_footprints:B0x0xS) (libsource (lib elements) (part B0505S) (description "isolated DC-DC")) (sheetpath (names /) (tstamps /)) (tstamp 5EC7332B)) (comp (ref J4) (value USB_B) (footprint Connectors_USB:USB_B_OST_USB-B1HSxx_Horizontal) (datasheet " ~") (libsource (lib Connector) (part USB_B) (description "USB Type B connector")) (sheetpath (names /) (tstamps /)) (tstamp 5ECA19CB)) (comp (ref U3) (value STM32F072C8Tx) (footprint Package_QFP:LQFP-48_7x7mm_P0.5mm) (datasheet http://www.st.com/st-web-ui/static/active/en/resource/technical/document/datasheet/DM00090510.pdf) (libsource (lib MCU_ST_STM32F0) (part STM32F072C8Tx) (description "ARM Cortex-M0 MCU, 64KB flash, 16KB RAM, 48MHz, 2-3.6V, 37 GPIO, LQFP-48")) (sheetpath (names /) (tstamps /)) (tstamp 5ED38032)) (comp (ref J1) (value Screw_Terminal_01x03) (footprint TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-3_1x03_P5.00mm_Horizontal) (datasheet ~) (libsource (lib Connector) (part Screw_Terminal_01x03) (description "Generic screw terminal, single row, 01x03, script generated (kicad-library-utils/schlib/autogen/connector/)")) (sheetpath (names /) (tstamps /)) (tstamp 5EECB9D2)) (comp (ref R1) (value 120) (footprint Resistor_SMD:R_1210_3225Metric_Pad1.42x2.65mm_HandSolder) (libsource (lib stm32-rescue) (part R) (description "")) (sheetpath (names /) (tstamps /)) (tstamp 58C488C6)) (comp (ref J3) (value SWDetc) (footprint Connector_PinHeader_2.54mm:PinHeader_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 5EEF8FF5)) (comp (ref R6) (value 22) (footprint Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder) (libsource (lib stm32-rescue) (part R) (description "")) (sheetpath (names /) (tstamps /)) (tstamp 5EF24BB7)) (comp (ref C2) (value 0.1) (footprint Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder) (libsource (lib stm32-rescue) (part C) (description "")) (sheetpath (names /) (tstamps /)) (tstamp 5EFCC1D1)) (comp (ref SW1) (value SW_DIP_x01) (footprint Button_Switch_THT:SW_DIP_SPSTx01_Slide_6.7x4.1mm_W7.62mm_P2.54mm_LowProfile) (datasheet ~) (libsource (lib Switch) (part SW_DIP_x01) (description "1x DIP Switch, Single Pole Single Throw (SPST) switch, small symbol")) (sheetpath (names /) (tstamps /)) (tstamp 5EFDFDE6)) (comp (ref U1) (value LM1117-3.3) (footprint TO_SOT_Packages_SMD:SOT-223-3_TabPin2) (datasheet http://www.ti.com/lit/ds/symlink/lm1117.pdf) (libsource (lib Regulator_Linear) (part LM1117-3.3) (description "800mA Low-Dropout Linear Regulator, 3.3V fixed output, TO-220/TO-252/TO-263/SOT-223")) (sheetpath (names /) (tstamps /)) (tstamp 5F0B7BCC)) (comp (ref C7) (value 0.1) (footprint Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder) (libsource (lib stm32-rescue) (part C) (description "")) (sheetpath (names /) (tstamps /)) (tstamp 5F0E47E1)) (comp (ref C9) (value 1) (footprint Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder) (libsource (lib stm32-rescue) (part C) (description "")) (sheetpath (names /) (tstamps /)) (tstamp 5F0F75F5)) (comp (ref C8) (value 1) (footprint Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder) (libsource (lib stm32-rescue) (part C) (description "")) (sheetpath (names /) (tstamps /)) (tstamp 5F0F92A0)) (comp (ref JP1) (value NON-ISOL) (footprint Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical) (datasheet ~) (libsource (lib Device) (part Jumper) (description "Jumper, normally closed")) (sheetpath (names /) (tstamps /)) (tstamp 5F1521D0))) (libparts (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 Screw_Terminal_01x03) (description "Generic screw terminal, single row, 01x03, script generated (kicad-library-utils/schlib/autogen/connector/)") (docs ~) (footprints (fp TerminalBlock*:*)) (fields (field (name Reference) J) (field (name Value) Screw_Terminal_01x03)) (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)))) (libpart (lib Connector) (part USB_B) (description "USB Type B connector") (docs " ~") (footprints (fp USB*)) (fields (field (name Reference) J) (field (name Value) USB_B)) (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 GND) (type power_out)) (pin (num 5) (name Shield) (type passive)))) (libpart (lib Device) (part Jumper) (description "Jumper, normally closed") (docs ~) (footprints (fp SolderJumper*) (fp Jumper*) (fp TestPoint*2Pads*) (fp TestPoint*Bridge*)) (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 Interface_CAN_LIN) (part ISO1050DUB) (description "Isolated CAN Transceiver, SOP-8") (docs http://www.ti.com/lit/ds/symlink/iso1050.pdf) (footprints (fp SOP*6.62x9.15mm*P2.54mm*)) (fields (field (name Reference) U) (field (name Value) ISO1050DUB) (field (name Footprint) Package_SO:SOP-8_6.62x9.15mm_P2.54mm)) (pins (pin (num 1) (name VCC1) (type power_in)) (pin (num 2) (name RXD) (type output)) (pin (num 3) (name TXD) (type input)) (pin (num 4) (name GND1) (type power_in)) (pin (num 5) (name GND2) (type power_in)) (pin (num 6) (name CANL) (type BiDi)) (pin (num 7) (name CANH) (type BiDi)) (pin (num 8) (name VCC2) (type power_in)))) (libpart (lib MCU_ST_STM32F0) (part STM32F072C8Tx) (aliases (alias STM32F072CBTx)) (description "ARM Cortex-M0 MCU, 64KB flash, 16KB RAM, 48MHz, 2-3.6V, 37 GPIO, LQFP-48") (docs http://www.st.com/st-web-ui/static/active/en/resource/technical/document/datasheet/DM00090510.pdf) (footprints (fp LQFP*7x7mm*P0.5mm*)) (fields (field (name Reference) U) (field (name Value) STM32F072C8Tx) (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 PF0) (type input)) (pin (num 6) (name PF1) (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 VDDIO2) (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 Regulator_Linear) (part LM1117-1.8) (aliases (alias LM1117-2.5) (alias LM1117-3.3) (alias LM1117-5.0) (alias TLV1117-15) (alias TLV1117-18) (alias TLV1117-25) (alias TLV1117-33) (alias TLV1117-50)) (description "800mA Low-Dropout Linear Regulator, 1.8V fixed output, TO-220/TO-252/TO-263/SOT-223") (docs http://www.ti.com/lit/ds/symlink/lm1117.pdf) (footprints (fp SOT?223*) (fp TO?263*) (fp TO?252*) (fp TO?220*)) (fields (field (name Reference) U) (field (name Value) LM1117-1.8)) (pins (pin (num 1) (name GND) (type power_in)) (pin (num 2) (name VO) (type power_out)) (pin (num 3) (name VI) (type power_in)))) (libpart (lib Switch) (part SW_DIP_x01) (description "1x DIP Switch, Single Pole Single Throw (SPST) switch, small symbol") (docs ~) (footprints (fp SW?DIP?x1*)) (fields (field (name Reference) SW) (field (name Value) SW_DIP_x01)) (pins (pin (num 1) (name ~) (type passive)) (pin (num 2) (name ~) (type passive)))) (libpart (lib elements) (part B0x0xS-1W) (aliases (alias B0305S) (alias B0505S)) (description "isolated DC-DC") (footprints (fp b0x0xs)) (fields (field (name Reference) Q?) (field (name Value) B0x0xS-1W) (field (name Footprint) my_footprints:B0x0xS)) (pins (pin (num 1) (name GND) (type power_in)) (pin (num 2) (name Vin) (type power_in)) (pin (num 3) (name 0V) (type power_out)) (pin (num 4) (name +Vo) (type power_out)))) (libpart (lib elements) (part PESD1CAN) (description "CAN bus ESD protection") (footprints (fp SOT23)) (fields (field (name Reference) D) (field (name Value) PESD1CAN)) (pins (pin (num 1) (name K) (type passive)) (pin (num 2) (name K) (type passive)) (pin (num 3) (name O) (type passive)))) (libpart (lib elements) (part USB6B1) (description "USB bus ESD protection") (footprints (fp SO8)) (fields (field (name Reference) D) (field (name Value) USB6B1)) (pins (pin (num 1) (name VCC) (type passive)) (pin (num 2) (name I/O1) (type passive)) (pin (num 3) (name I/O2) (type passive)) (pin (num 4) (name GND) (type passive)) (pin (num 5) (name GND) (type passive)) (pin (num 6) (name I/O2) (type passive)) (pin (num 7) (name I/O1) (type passive)) (pin (num 8) (name VCC) (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 CONN_01X01) (footprints (fp Pin_Header_Straight_1X*) (fp Pin_Header_Angled_1X*) (fp Socket_Strip_Straight_1X*) (fp Socket_Strip_Angled_1X*)) (fields (field (name Reference) J) (field (name Value) CONN_01X01)) (pins (pin (num 1) (name P1) (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 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 MCP2551-I_SN) (footprints (fp SOIC*Pitch1.27mm*)) (fields (field (name Reference) U) (field (name Value) MCP2551-I_SN) (field (name Footprint) Housings_SOIC:SOIC-8_3.9x4.9mm_Pitch1.27mm)) (pins (pin (num 1) (name TXD) (type input)) (pin (num 2) (name VSS) (type power_in)) (pin (num 3) (name VDD) (type power_in)) (pin (num 4) (name RXD) (type output)) (pin (num 5) (name Vref) (type power_out)) (pin (num 6) (name CANL) (type BiDi)) (pin (num 7) (name CANH) (type BiDi)) (pin (num 8) (name Rs) (type input)))) (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))))) (libraries (library (logical Connector) (uri /usr/share/kicad/kicad-symbols//Connector.lib)) (library (logical Device) (uri /usr/share/kicad/kicad-symbols//Device.lib)) (library (logical Interface_CAN_LIN) (uri /usr/share/kicad/kicad-symbols//Interface_CAN_LIN.lib)) (library (logical MCU_ST_STM32F0) (uri /usr/share/kicad/kicad-symbols//MCU_ST_STM32F0.lib)) (library (logical Regulator_Linear) (uri /usr/share/kicad/kicad-symbols//Regulator_Linear.lib)) (library (logical Switch) (uri /usr/share/kicad/kicad-symbols//Switch.lib)) (library (logical elements) (uri /home/eddy/Docs/SAO/ELECTRONICS/STM32/F0-srcs/canusb/elements.lib)) (library (logical stm32-rescue) (uri /home/eddy/Docs/SAO/ELECTRONICS/STM32/F0-srcs/canusb/stm32-rescue.lib))) (nets (net (code 1) (name +3V3) (node (ref U3) (pin 36)) (node (ref C5) (pin 2)) (node (ref C4) (pin 2)) (node (ref R7) (pin 2)) (node (ref U3) (pin 1)) (node (ref U3) (pin 48)) (node (ref U3) (pin 24)) (node (ref R8) (pin 2)) (node (ref C2) (pin 1)) (node (ref U1) (pin 2)) (node (ref C6) (pin 2)) (node (ref C1) (pin 1)) (node (ref U3) (pin 9)) (node (ref C3) (pin 2)) (node (ref R6) (pin 1))) (net (code 2) (name "Net-(J3-Pad1)") (node (ref J3) (pin 1)) (node (ref R6) (pin 2))) (net (code 3) (name /BOOT0) (node (ref U3) (pin 44)) (node (ref R5) (pin 2)) (node (ref J3) (pin 2))) (net (code 4) (name GND) (node (ref C7) (pin 2)) (node (ref U3) (pin 8)) (node (ref R5) (pin 1)) (node (ref C1) (pin 2)) (node (ref J3) (pin 4)) (node (ref U1) (pin 1)) (node (ref C6) (pin 1)) (node (ref C2) (pin 2)) (node (ref JP1) (pin 1)) (node (ref U3) (pin 47)) (node (ref D2) (pin 5)) (node (ref D2) (pin 4)) (node (ref U3) (pin 35)) (node (ref C5) (pin 1)) (node (ref C4) (pin 1)) (node (ref C8) (pin 2)) (node (ref J4) (pin 5)) (node (ref J4) (pin 4)) (node (ref U3) (pin 23)) (node (ref U2) (pin 2)) (node (ref C3) (pin 1)) (node (ref U4) (pin 4)) (node (ref Q1) (pin 1))) (net (code 5) (name /NRST) (node (ref U3) (pin 7)) (node (ref J3) (pin 3))) (net (code 6) (name /CANH) (node (ref U4) (pin 7)) (node (ref D1) (pin 2)) (node (ref U2) (pin 7)) (node (ref R1) (pin 2)) (node (ref J1) (pin 1))) (net (code 7) (name "Net-(R1-Pad1)") (node (ref SW1) (pin 2)) (node (ref R1) (pin 1))) (net (code 8) (name "Net-(U3-Pad2)") (node (ref U3) (pin 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