(export (version "E")
  (design
    (source "/home/priec/Documents/programming/uni/projekt_2kicad/esp32d0wd_v3.kicad_sch")
    (date "2026-02-23T20:53:35+0100")
    (tool "Eeschema 9.0.5")
    (sheet (number "1") (name "/") (tstamps "/")
      (title_block
        (title "esp32d0wd_v3")
        (company)
        (rev)
        (date "2026-02-23")
        (source "esp32d0wd_v3.kicad_sch")
        (comment (number "1") (value ""))
        (comment (number "2") (value ""))
        (comment (number "3") (value ""))
        (comment (number "4") (value ""))
        (comment (number "5") (value ""))
        (comment (number "6") (value ""))
        (comment (number "7") (value ""))
        (comment (number "8") (value ""))
        (comment (number "9") (value "")))))
  (components
    (comp (ref "J0")
      (value "ESP_PWR_3V3")
      (footprint "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical")
      (datasheet "~")
      (description "ESP supply input")
      (fields
        (field (name "Footprint") "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical")
        (field (name "Datasheet") "~")
        (field (name "Description") "ESP supply input"))
      (libsource (lib "") (part "Conn_01x02") (description "Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/)"))
      (property (name "Sheetname") (value ""))
      (property (name "Sheetfile") (value "esp32d0wd_v3.kicad_sch"))
      (property (name "ki_keywords") (value "connector"))
      (property (name "ki_fp_filters") (value "Connector*:*_1x??_*"))
      (sheetpath (names "/") (tstamps "/"))
      (tstamps "fe3bcff4-6ae1-4deb-8b30-75b504380f30"))
    (comp (ref "J1")
      (value "FIELD_12V_IN")
      (footprint "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical")
      (datasheet "~")
      (description "Field 12V input")
      (fields
        (field (name "Footprint") "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical")
        (field (name "Datasheet") "~")
        (field (name "Description") "Field 12V input"))
      (libsource (lib "") (part "Conn_01x02") (description "Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/)"))
      (property (name "Sheetname") (value ""))
      (property (name "Sheetfile") (value "esp32d0wd_v3.kicad_sch"))
      (property (name "ki_keywords") (value "connector"))
      (property (name "ki_fp_filters") (value "Connector*:*_1x??_*"))
      (sheetpath (names "/") (tstamps "/"))
      (tstamps "5564b8c6-4abe-42de-9beb-6321dc7f5795"))
    (comp (ref "J3")
      (value "FIELD_12V_OUT")
      (footprint "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical")
      (datasheet "~")
      (description "Field 12V output")
      (fields
        (field (name "Footprint") "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical")
        (field (name "Datasheet") "~")
        (field (name "Description") "Field 12V output"))
      (libsource (lib "") (part "Conn_01x02") (description "Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/)"))
      (property (name "Sheetname") (value ""))
      (property (name "Sheetfile") (value "esp32d0wd_v3.kicad_sch"))
      (property (name "ki_keywords") (value "connector"))
      (property (name "ki_fp_filters") (value "Connector*:*_1x??_*"))
      (sheetpath (names "/") (tstamps "/"))
      (tstamps "a41188be-cce4-49de-8fb8-f2b39b955cd5"))
    (comp (ref "R1")
      (value "2.2k")
      (footprint "Resistor_SMD:R_0805_2012Metric")
      (datasheet "~")
      (description "LED resistor for 12V input opto")
      (fields
        (field (name "Footprint") "Resistor_SMD:R_0805_2012Metric")
        (field (name "Datasheet") "~")
        (field (name "Description") "LED resistor for 12V input opto"))
      (libsource (lib "") (part "R") (description "Resistor"))
      (property (name "Sheetname") (value ""))
      (property (name "Sheetfile") (value "esp32d0wd_v3.kicad_sch"))
      (property (name "ki_keywords") (value "R res resistor"))
      (property (name "ki_fp_filters") (value "R_*"))
      (sheetpath (names "/") (tstamps "/"))
      (tstamps "4e9967f6-511b-4049-91e0-0863d374a52c"))
    (comp (ref "R2")
      (value "10k")
      (footprint "Resistor_SMD:R_0805_2012Metric")
      (datasheet "~")
      (description "ESP-side pullup for input opto")
      (fields
        (field (name "Footprint") "Resistor_SMD:R_0805_2012Metric")
        (field (name "Datasheet") "~")
        (field (name "Description") "ESP-side pullup for input opto"))
      (libsource (lib "") (part "R") (description "Resistor"))
      (property (name "Sheetname") (value ""))
      (property (name "Sheetfile") (value "esp32d0wd_v3.kicad_sch"))
      (property (name "ki_keywords") (value "R res resistor"))
      (property (name "ki_fp_filters") (value "R_*"))
      (sheetpath (names "/") (tstamps "/"))
      (tstamps "7dcbad80-51cb-4c09-ab2b-4b4efc5e933b"))
    (comp (ref "R3")
      (value "330")
      (footprint "Resistor_SMD:R_0805_2012Metric")
      (datasheet "~")
      (description "GPIO->opto LED resistor")
      (fields
        (field (name "Footprint") "Resistor_SMD:R_0805_2012Metric")
        (field (name "Datasheet") "~")
        (field (name "Description") "GPIO->opto LED resistor"))
      (libsource (lib "") (part "R") (description "Resistor"))
      (property (name "Sheetname") (value ""))
      (property (name "Sheetfile") (value "esp32d0wd_v3.kicad_sch"))
      (property (name "ki_keywords") (value "R res resistor"))
      (property (name "ki_fp_filters") (value "R_*"))
      (sheetpath (names "/") (tstamps "/"))
      (tstamps "edd8dd68-fb23-4682-838a-8c56dcfb3a4e"))
    (comp (ref "R4")
      (value "4.7k")
      (footprint "Resistor_SMD:R_0805_2012Metric")
      (datasheet "~")
      (description "12V output pulldown")
      (fields
        (field (name "Footprint") "Resistor_SMD:R_0805_2012Metric")
        (field (name "Datasheet") "~")
        (field (name "Description") "12V output pulldown"))
      (libsource (lib "") (part "R") (description "Resistor"))
      (property (name "Sheetname") (value ""))
      (property (name "Sheetfile") (value "esp32d0wd_v3.kicad_sch"))
      (property (name "ki_keywords") (value "R res resistor"))
      (property (name "ki_fp_filters") (value "R_*"))
      (sheetpath (names "/") (tstamps "/"))
      (tstamps "0fd21588-e4af-49ce-8d24-88bdb8c5dd20"))
    (comp (ref "U1")
      (value "ESP32-WROOM-32E")
      (footprint "RF_Module:ESP32-WROOM-32D")
      (datasheet "https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32e_esp32-wroom-32ue_datasheet_en.pdf")
      (description "ESP32-D0WD-V3 module")
      (fields
        (field (name "Footprint") "RF_Module:ESP32-WROOM-32D")
        (field (name "Datasheet") "https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32e_esp32-wroom-32ue_datasheet_en.pdf")
        (field (name "Description") "ESP32-D0WD-V3 module"))
      (libsource (lib "") (part "ESP32-WROOM-32E") (description "RF Module, ESP32-D0WD-V3 SoC, without PSRAM, Wi-Fi 802.11b/g/n, Bluetooth, BLE, 32-bit, 2.7-3.6V, onboard antenna, SMD"))
      (property (name "Sheetname") (value ""))
      (property (name "Sheetfile") (value "esp32d0wd_v3.kicad_sch"))
      (property (name "ki_keywords") (value "RF Radio BT ESP ESP32 Espressif onboard PCB antenna"))
      (property (name "ki_fp_filters") (value "ESP32?WROOM?32D*"))
      (sheetpath (names "/") (tstamps "/"))
      (tstamps "2a1fd477-6dd2-4809-819b-0ec8e1ff776d"))
    (comp (ref "U2")
      (value "PC817")
      (footprint "Package_DIP:DIP-4_W7.62mm")
      (datasheet "http://www.soselectronic.cz/a_info/resource/d/pc817.pdf")
      (description "Input sense optocoupler")
      (fields
        (field (name "Footprint") "Package_DIP:DIP-4_W7.62mm")
        (field (name "Datasheet") "http://www.soselectronic.cz/a_info/resource/d/pc817.pdf")
        (field (name "Description") "Input sense optocoupler"))
      (libsource (lib "") (part "PC817") (description "DC Optocoupler, Vce 35V, CTR 50-300%, DIP-4"))
      (property (name "Sheetname") (value ""))
      (property (name "Sheetfile") (value "esp32d0wd_v3.kicad_sch"))
      (property (name "ki_keywords") (value "NPN DC Optocoupler"))
      (property (name "ki_fp_filters") (value "DIP*W7.62mm*"))
      (sheetpath (names "/") (tstamps "/"))
      (tstamps "693e65f4-7271-492e-8e12-dcf228d17816"))
    (comp (ref "U3")
      (value "PC817")
      (footprint "Package_DIP:DIP-4_W7.62mm")
      (datasheet "http://www.soselectronic.cz/a_info/resource/d/pc817.pdf")
      (description "Output control optocoupler")
      (fields
        (field (name "Footprint") "Package_DIP:DIP-4_W7.62mm")
        (field (name "Datasheet") "http://www.soselectronic.cz/a_info/resource/d/pc817.pdf")
        (field (name "Description") "Output control optocoupler"))
      (libsource (lib "") (part "PC817") (description "DC Optocoupler, Vce 35V, CTR 50-300%, DIP-4"))
      (property (name "Sheetname") (value ""))
      (property (name "Sheetfile") (value "esp32d0wd_v3.kicad_sch"))
      (property (name "ki_keywords") (value "NPN DC Optocoupler"))
      (property (name "ki_fp_filters") (value "DIP*W7.62mm*"))
      (sheetpath (names "/") (tstamps "/"))
      (tstamps "ef9d8016-aa6f-4b6a-b58a-ff568427de74")))
  (libparts
    (libpart (lib "") (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")
        (field (name "Footprint"))
        (field (name "Datasheet") "~")
        (field (name "Description") "Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/)"))
      (pins
        (pin (num "1") (name "Pin_1") (type "passive"))
        (pin (num "2") (name "Pin_2") (type "passive"))))
    (libpart (lib "") (part "ESP32-WROOM-32E")
      (description "RF Module, ESP32-D0WD-V3 SoC, without PSRAM, Wi-Fi 802.11b/g/n, Bluetooth, BLE, 32-bit, 2.7-3.6V, onboard antenna, SMD")
      (docs "https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32e_esp32-wroom-32ue_datasheet_en.pdf")
      (footprints
        (fp "ESP32?WROOM?32D*"))
      (fields
        (field (name "Reference") "U")
        (field (name "Value") "ESP32-WROOM-32E")
        (field (name "Footprint") "RF_Module:ESP32-WROOM-32D")
        (field (name "Datasheet") "https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32e_esp32-wroom-32ue_datasheet_en.pdf")
        (field (name "Description") "RF Module, ESP32-D0WD-V3 SoC, without PSRAM, Wi-Fi 802.11b/g/n, Bluetooth, BLE, 32-bit, 2.7-3.6V, onboard antenna, SMD"))
      (pins
        (pin (num "1") (name "GND") (type "power_in"))
        (pin (num "2") (name "VDD") (type "power_in"))
        (pin (num "3") (name "EN") (type "input"))
        (pin (num "4") (name "SENSOR_VP") (type "input"))
        (pin (num "5") (name "SENSOR_VN") (type "input"))
        (pin (num "6") (name "IO34") (type "input"))
        (pin (num "7") (name "IO35") (type "input"))
        (pin (num "8") (name "IO32") (type "bidirectional"))
        (pin (num "9") (name "IO33") (type "bidirectional"))
        (pin (num "10") (name "IO25") (type "bidirectional"))
        (pin (num "11") (name "IO26") (type "bidirectional"))
        (pin (num "12") (name "IO27") (type "bidirectional"))
        (pin (num "13") (name "IO14") (type "bidirectional"))
        (pin (num "14") (name "IO12") (type "bidirectional"))
        (pin (num "15") (name "GND") (type "passive"))
        (pin (num "16") (name "IO13") (type "bidirectional"))
        (pin (num "17") (name "NC") (type "no_connect"))
        (pin (num "18") (name "NC") (type "no_connect"))
        (pin (num "19") (name "NC") (type "no_connect"))
        (pin (num "20") (name "NC") (type "no_connect"))
        (pin (num "21") (name "NC") (type "no_connect"))
        (pin (num "22") (name "NC") (type "no_connect"))
        (pin (num "23") (name "IO15") (type "bidirectional"))
        (pin (num "24") (name "IO2") (type "bidirectional"))
        (pin (num "25") (name "IO0") (type "bidirectional"))
        (pin (num "26") (name "IO4") (type "bidirectional"))
        (pin (num "27") (name "IO16") (type "bidirectional"))
        (pin (num "28") (name "IO17") (type "bidirectional"))
        (pin (num "29") (name "IO5") (type "bidirectional"))
        (pin (num "30") (name "IO18") (type "bidirectional"))
        (pin (num "31") (name "IO19") (type "bidirectional"))
        (pin (num "32") (name "NC") (type "no_connect"))
        (pin (num "33") (name "IO21") (type "bidirectional"))
        (pin (num "34") (name "RXD0/IO3") (type "bidirectional"))
        (pin (num "35") (name "TXD0/IO1") (type "bidirectional"))
        (pin (num "36") (name "IO22") (type "bidirectional"))
        (pin (num "37") (name "IO23") (type "bidirectional"))
        (pin (num "38") (name "GND") (type "passive"))
        (pin (num "39") (name "GND") (type "passive"))))
    (libpart (lib "") (part "PC817")
      (description "DC Optocoupler, Vce 35V, CTR 50-300%, DIP-4")
      (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")
        (field (name "Datasheet") "http://www.soselectronic.cz/a_info/resource/d/pc817.pdf")
        (field (name "Description") "DC Optocoupler, Vce 35V, CTR 50-300%, DIP-4"))
      (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 "") (part "R")
      (description "Resistor")
      (docs "~")
      (footprints
        (fp "R_*"))
      (fields
        (field (name "Reference") "R")
        (field (name "Value") "R")
        (field (name "Footprint"))
        (field (name "Datasheet") "~")
        (field (name "Description") "Resistor"))
      (pins
        (pin (num "1") (name "") (type "passive"))
        (pin (num "2") (name "") (type "passive")))))
  (libraries)
  (nets
    (net (code "1") (name "+3V3_ESP") (class "Default")
      (node (ref "J0") (pin "1") (pinfunction "Pin_1") (pintype "passive"))
      (node (ref "R2") (pin "2") (pintype "passive"))
      (node (ref "U1") (pin "2") (pinfunction "VDD") (pintype "power_in"))
      (node (ref "U1") (pin "3") (pinfunction "EN") (pintype "input")))
    (net (code "2") (name "+12V_FIELD") (class "Default")
      (node (ref "J1") (pin "1") (pinfunction "Pin_1") (pintype "passive"))
      (node (ref "R1") (pin "2") (pintype "passive"))
      (node (ref "R4") (pin "2") (pintype "passive")))
    (net (code "3") (name "ESP_GPIO_IN") (class "Default")
      (node (ref "R2") (pin "1") (pintype "passive"))
      (node (ref "U1") (pin "6") (pinfunction "IO34") (pintype "input"))
      (node (ref "U2") (pin "4") (pintype "passive")))
    (net (code "4") (name "ESP_GPIO_OUT") (class "Default")
      (node (ref "R3") (pin "2") (pintype "passive"))
      (node (ref "U1") (pin "10") (pinfunction "IO25") (pintype "bidirectional")))
    (net (code "5") (name "GND_ESP") (class "Default")
      (node (ref "J0") (pin "2") (pinfunction "Pin_2") (pintype "passive"))
      (node (ref "U1") (pin "1") (pinfunction "GND") (pintype "power_in"))
      (node (ref "U1") (pin "15") (pinfunction "GND") (pintype "passive"))
      (node (ref "U1") (pin "38") (pinfunction "GND") (pintype "passive"))
      (node (ref "U1") (pin "39") (pinfunction "GND") (pintype "passive"))
      (node (ref "U2") (pin "3") (pintype "passive"))
      (node (ref "U3") (pin "2") (pintype "passive")))
    (net (code "6") (name "GND_FIELD") (class "Default")
      (node (ref "J1") (pin "2") (pinfunction "Pin_2") (pintype "passive"))
      (node (ref "J3") (pin "2") (pinfunction "Pin_2") (pintype "passive"))
      (node (ref "U2") (pin "2") (pintype "passive"))
      (node (ref "U3") (pin "3") (pintype "passive")))
    (net (code "7") (name "Net-(R1-Pad1)") (class "Default")
      (node (ref "R1") (pin "1") (pintype "passive"))
      (node (ref "U2") (pin "1") (pintype "passive")))
    (net (code "8") (name "Net-(R3-Pad1)") (class "Default")
      (node (ref "R3") (pin "1") (pintype "passive"))
      (node (ref "U3") (pin "1") (pintype "passive")))
    (net (code "9") (name "OUT_12V_GPIO") (class "Default")
      (node (ref "J3") (pin "1") (pinfunction "Pin_1") (pintype "passive"))
      (node (ref "R4") (pin "1") (pintype "passive"))
      (node (ref "U3") (pin "4") (pintype "passive")))
    (net (code "10") (name "unconnected-(U1-IO0-Pad25)") (class "Default")
      (node (ref "U1") (pin "25") (pinfunction "IO0") (pintype "bidirectional")))
    (net (code "11") (name "unconnected-(U1-IO2-Pad24)") (class "Default")
      (node (ref "U1") (pin "24") (pinfunction "IO2") (pintype "bidirectional")))
    (net (code "12") (name "unconnected-(U1-IO4-Pad26)") (class "Default")
      (node (ref "U1") (pin "26") (pinfunction "IO4") (pintype "bidirectional")))
    (net (code "13") (name "unconnected-(U1-IO5-Pad29)") (class "Default")
      (node (ref "U1") (pin "29") (pinfunction "IO5") (pintype "bidirectional")))
    (net (code "14") (name "unconnected-(U1-IO12-Pad14)") (class "Default")
      (node (ref "U1") (pin "14") (pinfunction "IO12") (pintype "bidirectional")))
    (net (code "15") (name "unconnected-(U1-IO13-Pad16)") (class "Default")
      (node (ref "U1") (pin "16") (pinfunction "IO13") (pintype "bidirectional")))
    (net (code "16") (name "unconnected-(U1-IO14-Pad13)") (class "Default")
      (node (ref "U1") (pin "13") (pinfunction "IO14") (pintype "bidirectional")))
    (net (code "17") (name "unconnected-(U1-IO15-Pad23)") (class "Default")
      (node (ref "U1") (pin "23") (pinfunction "IO15") (pintype "bidirectional")))
    (net (code "18") (name "unconnected-(U1-IO16-Pad27)") (class "Default")
      (node (ref "U1") (pin "27") (pinfunction "IO16") (pintype "bidirectional")))
    (net (code "19") (name "unconnected-(U1-IO17-Pad28)") (class "Default")
      (node (ref "U1") (pin "28") (pinfunction "IO17") (pintype "bidirectional")))
    (net (code "20") (name "unconnected-(U1-IO18-Pad30)") (class "Default")
      (node (ref "U1") (pin "30") (pinfunction "IO18") (pintype "bidirectional")))
    (net (code "21") (name "unconnected-(U1-IO19-Pad31)") (class "Default")
      (node (ref "U1") (pin "31") (pinfunction "IO19") (pintype "bidirectional")))
    (net (code "22") (name "unconnected-(U1-IO21-Pad33)") (class "Default")
      (node (ref "U1") (pin "33") (pinfunction "IO21") (pintype "bidirectional")))
    (net (code "23") (name "unconnected-(U1-IO22-Pad36)") (class "Default")
      (node (ref "U1") (pin "36") (pinfunction "IO22") (pintype "bidirectional")))
    (net (code "24") (name "unconnected-(U1-IO23-Pad37)") (class "Default")
      (node (ref "U1") (pin "37") (pinfunction "IO23") (pintype "bidirectional")))
    (net (code "25") (name "unconnected-(U1-IO26-Pad11)") (class "Default")
      (node (ref "U1") (pin "11") (pinfunction "IO26") (pintype "bidirectional")))
    (net (code "26") (name "unconnected-(U1-IO27-Pad12)") (class "Default")
      (node (ref "U1") (pin "12") (pinfunction "IO27") (pintype "bidirectional")))
    (net (code "27") (name "unconnected-(U1-IO32-Pad8)") (class "Default")
      (node (ref "U1") (pin "8") (pinfunction "IO32") (pintype "bidirectional")))
    (net (code "28") (name "unconnected-(U1-IO33-Pad9)") (class "Default")
      (node (ref "U1") (pin "9") (pinfunction "IO33") (pintype "bidirectional")))
    (net (code "29") (name "unconnected-(U1-IO35-Pad7)") (class "Default")
      (node (ref "U1") (pin "7") (pinfunction "IO35") (pintype "input")))
    (net (code "30") (name "unconnected-(U1-NC-Pad17)") (class "Default")
      (node (ref "U1") (pin "17") (pinfunction "NC") (pintype "no_connect")))
    (net (code "31") (name "unconnected-(U1-NC-Pad18)") (class "Default")
      (node (ref "U1") (pin "18") (pinfunction "NC") (pintype "no_connect")))
    (net (code "32") (name "unconnected-(U1-NC-Pad19)") (class "Default")
      (node (ref "U1") (pin "19") (pinfunction "NC") (pintype "no_connect")))
    (net (code "33") (name "unconnected-(U1-NC-Pad20)") (class "Default")
      (node (ref "U1") (pin "20") (pinfunction "NC") (pintype "no_connect")))
    (net (code "34") (name "unconnected-(U1-NC-Pad21)") (class "Default")
      (node (ref "U1") (pin "21") (pinfunction "NC") (pintype "no_connect")))
    (net (code "35") (name "unconnected-(U1-NC-Pad22)") (class "Default")
      (node (ref "U1") (pin "22") (pinfunction "NC") (pintype "no_connect")))
    (net (code "36") (name "unconnected-(U1-NC-Pad32)") (class "Default")
      (node (ref "U1") (pin "32") (pinfunction "NC") (pintype "no_connect")))
    (net (code "37") (name "unconnected-(U1-RXD0{slash}IO3-Pad34)") (class "Default")
      (node (ref "U1") (pin "34") (pinfunction "RXD0/IO3") (pintype "bidirectional")))
    (net (code "38") (name "unconnected-(U1-SENSOR_VN-Pad5)") (class "Default")
      (node (ref "U1") (pin "5") (pinfunction "SENSOR_VN") (pintype "input")))
    (net (code "39") (name "unconnected-(U1-SENSOR_VP-Pad4)") (class "Default")
      (node (ref "U1") (pin "4") (pinfunction "SENSOR_VP") (pintype "input")))
    (net (code "40") (name "unconnected-(U1-TXD0{slash}IO1-Pad35)") (class "Default")
      (node (ref "U1") (pin "35") (pinfunction "TXD0/IO1") (pintype "bidirectional")))))