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STM32L0_ESP32_Breakout_Board.xml
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STM32L0_ESP32_Breakout_Board.xml
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<?xml version="1.0" encoding="UTF-8"?>
<export version="E">
<design>
<source>F:\Documents\Kicad\KiCad 6\STM32L0_ESP32_Breakout_Board\STM32L0_ESP32_Breakout_Board.kicad_sch</source>
<date>2023-02-10 4:04:53 PM</date>
<tool>Eeschema (6.0.7)</tool>
<sheet number="1" name="/" tstamps="/">
<title_block>
<title>STM32L0_ESP32_Breakout_Board</title>
<company>Electro Scientific Club | Mohamed Yanis Hiou</company>
<rev>1.0</rev>
<date/>
<source>STM32L0_ESP32_Breakout_Board.kicad_sch</source>
<comment number="1" value=""/>
<comment number="2" value="Send the data to the cloud with the ESP32."/>
<comment number="3" value="transmit the data from the STM32 to the ESP32 via UART."/>
<comment number="4" value="Read the data from an analog sensor and control the actuator with PWM signal."/>
<comment number="5" value=""/>
<comment number="6" value=""/>
<comment number="7" value=""/>
<comment number="8" value=""/>
<comment number="9" value=""/>
</title_block>
</sheet>
</design>
<components>
<comp ref="C1">
<value>22u</value>
<footprint>Capacitor_SMD:C_0603_1608Metric</footprint>
<libsource lib="Device" part="C_Small" description="Unpolarized capacitor, small symbol"/>
<property name="Sheetname" value=""/>
<property name="Sheetfile" value="STM32L0_ESP32_Breakout_Board.kicad_sch"/>
<sheetpath names="/" tstamps="/"/>
<tstamps>589193a6-de21-4432-8865-694954b62c5e</tstamps>
</comp>
<comp ref="C2">
<value>22u</value>
<footprint>Capacitor_SMD:C_0603_1608Metric</footprint>
<libsource lib="Device" part="C_Small" description="Unpolarized capacitor, small symbol"/>
<property name="Sheetname" value=""/>
<property name="Sheetfile" value="STM32L0_ESP32_Breakout_Board.kicad_sch"/>
<sheetpath names="/" tstamps="/"/>
<tstamps>edfd79bf-7b93-4791-941b-4733eee1cbca</tstamps>
</comp>
<comp ref="C3">
<value>10u</value>
<footprint>Capacitor_SMD:C_0402_1005Metric</footprint>
<libsource lib="Device" part="C_Small" description="Unpolarized capacitor, small symbol"/>
<property name="Sheetname" value=""/>
<property name="Sheetfile" value="STM32L0_ESP32_Breakout_Board.kicad_sch"/>
<sheetpath names="/" tstamps="/"/>
<tstamps>c8b2181b-91ea-40f4-ad24-55662ddfa56d</tstamps>
</comp>
<comp ref="C4">
<value>100n</value>
<footprint>Capacitor_SMD:C_0402_1005Metric</footprint>
<libsource lib="Device" part="C_Small" description="Unpolarized capacitor, small symbol"/>
<property name="Sheetname" value=""/>
<property name="Sheetfile" value="STM32L0_ESP32_Breakout_Board.kicad_sch"/>
<sheetpath names="/" tstamps="/"/>
<tstamps>bd87a423-0165-4372-b8f1-7820c6bd51e7</tstamps>
</comp>
<comp ref="C5">
<value>100n</value>
<footprint>Capacitor_SMD:C_0402_1005Metric</footprint>
<libsource lib="Device" part="C_Small" description="Unpolarized capacitor, small symbol"/>
<property name="Sheetname" value=""/>
<property name="Sheetfile" value="STM32L0_ESP32_Breakout_Board.kicad_sch"/>
<sheetpath names="/" tstamps="/"/>
<tstamps>758af049-5032-474c-a221-3a9d9ce98a3d</tstamps>
</comp>
<comp ref="C6">
<value>10n</value>
<footprint>Capacitor_SMD:C_0402_1005Metric</footprint>
<libsource lib="Device" part="C_Small" description="Unpolarized capacitor, small symbol"/>
<property name="Sheetname" value=""/>
<property name="Sheetfile" value="STM32L0_ESP32_Breakout_Board.kicad_sch"/>
<sheetpath names="/" tstamps="/"/>
<tstamps>549ea066-3c67-47be-a008-835131763838</tstamps>
</comp>
<comp ref="C7">
<value>1u</value>
<footprint>Capacitor_SMD:C_0402_1005Metric</footprint>
<libsource lib="Device" part="C_Small" description="Unpolarized capacitor, small symbol"/>
<property name="Sheetname" value=""/>
<property name="Sheetfile" value="STM32L0_ESP32_Breakout_Board.kicad_sch"/>
<sheetpath names="/" tstamps="/"/>
<tstamps>7bd2ea67-eb87-4488-a703-e9ae3ffc6351</tstamps>
</comp>
<comp ref="C8">
<value>10p</value>
<footprint>Capacitor_SMD:C_0402_1005Metric</footprint>
<libsource lib="Device" part="C_Small" description="Unpolarized capacitor, small symbol"/>
<property name="Sheetname" value=""/>
<property name="Sheetfile" value="STM32L0_ESP32_Breakout_Board.kicad_sch"/>
<sheetpath names="/" tstamps="/"/>
<tstamps>e4937f62-1843-4f33-b49a-c0ec9481bede</tstamps>
</comp>
<comp ref="C9">
<value>10p</value>
<footprint>Capacitor_SMD:C_0402_1005Metric</footprint>
<libsource lib="Device" part="C_Small" description="Unpolarized capacitor, small symbol"/>
<property name="Sheetname" value=""/>
<property name="Sheetfile" value="STM32L0_ESP32_Breakout_Board.kicad_sch"/>
<sheetpath names="/" tstamps="/"/>
<tstamps>948ad1f7-4503-4b7f-bc98-72934a7c45e4</tstamps>
</comp>
<comp ref="D1">
<value>Green</value>
<footprint>LED_SMD:LED_0603_1608Metric</footprint>
<libsource lib="Device" part="LED_Small" description="Light emitting diode, small symbol"/>
<property name="Sheetname" value=""/>
<property name="Sheetfile" value="STM32L0_ESP32_Breakout_Board.kicad_sch"/>
<sheetpath names="/" tstamps="/"/>
<tstamps>77fe70ad-b768-499e-a824-5b56142c8b30</tstamps>
</comp>
<comp ref="D2">
<value>Blue</value>
<footprint>LED_SMD:LED_0603_1608Metric</footprint>
<libsource lib="Device" part="LED_Small" description="Light emitting diode, small symbol"/>
<property name="Sheetname" value=""/>
<property name="Sheetfile" value="STM32L0_ESP32_Breakout_Board.kicad_sch"/>
<sheetpath names="/" tstamps="/"/>
<tstamps>6f6ddd44-09ac-4273-bedb-b4283a92c442</tstamps>
</comp>
<comp ref="D3">
<value>Yellow</value>
<footprint>LED_SMD:LED_0603_1608Metric</footprint>
<libsource lib="Device" part="LED_Small" description="Light emitting diode, small symbol"/>
<property name="Sheetname" value=""/>
<property name="Sheetfile" value="STM32L0_ESP32_Breakout_Board.kicad_sch"/>
<sheetpath names="/" tstamps="/"/>
<tstamps>accf4c35-72a4-43f5-b081-b95e67081147</tstamps>
</comp>
<comp ref="FB1">
<value>100 @ 100MHz</value>
<footprint>Inductor_SMD:L_0402_1005Metric</footprint>
<libsource lib="Device" part="FerriteBead_Small" description="Ferrite bead, small symbol"/>
<property name="Sheetname" value=""/>
<property name="Sheetfile" value="STM32L0_ESP32_Breakout_Board.kicad_sch"/>
<sheetpath names="/" tstamps="/"/>
<tstamps>a437dd80-76db-4401-b193-6a15e0472bf2</tstamps>
</comp>
<comp ref="H1">
<value>MountingHole_Pad</value>
<footprint>MountingHole:MountingHole_4.3mm_M4_Pad_Via</footprint>
<libsource lib="Mechanical" part="MountingHole_Pad" description="Mounting Hole with connection"/>
<property name="Sheetname" value=""/>
<property name="Sheetfile" value="STM32L0_ESP32_Breakout_Board.kicad_sch"/>
<sheetpath names="/" tstamps="/"/>
<tstamps>1c40f7d0-93fc-4131-9d2a-287a45f6ed2b</tstamps>
</comp>
<comp ref="H2">
<value>MountingHole_Pad</value>
<footprint>MountingHole:MountingHole_4.3mm_M4_Pad_Via</footprint>
<libsource lib="Mechanical" part="MountingHole_Pad" description="Mounting Hole with connection"/>
<property name="Sheetname" value=""/>
<property name="Sheetfile" value="STM32L0_ESP32_Breakout_Board.kicad_sch"/>
<sheetpath names="/" tstamps="/"/>
<tstamps>a68c90ed-ce28-4ce2-8a7e-3ada207acf56</tstamps>
</comp>
<comp ref="H3">
<value>MountingHole_Pad</value>
<footprint>MountingHole:MountingHole_4.3mm_M4_Pad_Via</footprint>
<libsource lib="Mechanical" part="MountingHole_Pad" description="Mounting Hole with connection"/>
<property name="Sheetname" value=""/>
<property name="Sheetfile" value="STM32L0_ESP32_Breakout_Board.kicad_sch"/>
<sheetpath names="/" tstamps="/"/>
<tstamps>c055b1bb-7eef-4e12-b063-d233fd7923c3</tstamps>
</comp>
<comp ref="H4">
<value>MountingHole_Pad</value>
<footprint>MountingHole:MountingHole_4.3mm_M4_Pad_Via</footprint>
<libsource lib="Mechanical" part="MountingHole_Pad" description="Mounting Hole with connection"/>
<property name="Sheetname" value=""/>
<property name="Sheetfile" value="STM32L0_ESP32_Breakout_Board.kicad_sch"/>
<sheetpath names="/" tstamps="/"/>
<tstamps>b3babf2f-0a52-499e-b67f-00bd4d9625f6</tstamps>
</comp>
<comp ref="J1">
<value>Conn_01x02</value>
<footprint>Connector_JST:JST_XH_S2B-XH-A_1x02_P2.50mm_Horizontal</footprint>
<libsource lib="Connector_Generic" 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="STM32L0_ESP32_Breakout_Board.kicad_sch"/>
<sheetpath names="/" tstamps="/"/>
<tstamps>007424b8-3b00-455e-a64d-b7a0f0bd73bd</tstamps>
</comp>
<comp ref="J2">
<value>Conn_01x03</value>
<footprint>Connector_JST:JST_XH_S3B-XH-A_1x03_P2.50mm_Horizontal</footprint>
<libsource lib="Connector_Generic" part="Conn_01x03" description="Generic connector, single row, 01x03, script generated (kicad-library-utils/schlib/autogen/connector/)"/>
<property name="Sheetname" value=""/>
<property name="Sheetfile" value="STM32L0_ESP32_Breakout_Board.kicad_sch"/>
<sheetpath names="/" tstamps="/"/>
<tstamps>f8baf360-10e9-4eb6-8051-40ed3b9d1cdc</tstamps>
</comp>
<comp ref="J3">
<value>Conn_01x03</value>
<footprint>Connector_JST:JST_XH_S3B-XH-A_1x03_P2.50mm_Horizontal</footprint>
<libsource lib="Connector_Generic" part="Conn_01x03" description="Generic connector, single row, 01x03, script generated (kicad-library-utils/schlib/autogen/connector/)"/>
<property name="Sheetname" value=""/>
<property name="Sheetfile" value="STM32L0_ESP32_Breakout_Board.kicad_sch"/>
<sheetpath names="/" tstamps="/"/>
<tstamps>4bfc5cd4-3261-4086-b615-80a176f33dbc</tstamps>
</comp>
<comp ref="J4">
<value>Conn_01x03</value>
<footprint>Connector_JST:JST_XH_S3B-XH-A_1x03_P2.50mm_Horizontal</footprint>
<libsource lib="Connector_Generic" part="Conn_01x03" description="Generic connector, single row, 01x03, script generated (kicad-library-utils/schlib/autogen/connector/)"/>
<property name="Sheetname" value=""/>
<property name="Sheetfile" value="STM32L0_ESP32_Breakout_Board.kicad_sch"/>
<sheetpath names="/" tstamps="/"/>
<tstamps>9c85f946-a9d4-43bd-bc44-906ff0a295b1</tstamps>
</comp>
<comp ref="J5">
<value>Conn_01x03</value>
<footprint>Connector_JST:JST_XH_S3B-XH-A_1x03_P2.50mm_Horizontal</footprint>
<libsource lib="Connector_Generic" part="Conn_01x03" description="Generic connector, single row, 01x03, script generated (kicad-library-utils/schlib/autogen/connector/)"/>
<property name="Sheetname" value=""/>
<property name="Sheetfile" value="STM32L0_ESP32_Breakout_Board.kicad_sch"/>
<sheetpath names="/" tstamps="/"/>
<tstamps>8fbba967-2751-45c8-9988-f8e0e349fdab</tstamps>
</comp>
<comp ref="R1">
<value>1K5</value>
<footprint>Resistor_SMD:R_0402_1005Metric</footprint>
<libsource lib="Device" part="R_Small" description="Resistor, small symbol"/>
<property name="Sheetname" value=""/>
<property name="Sheetfile" value="STM32L0_ESP32_Breakout_Board.kicad_sch"/>
<sheetpath names="/" tstamps="/"/>
<tstamps>d0ea81b6-bf10-410d-b1ef-354fa49ff68b</tstamps>
</comp>
<comp ref="R2">
<value>10k</value>
<footprint>Resistor_SMD:R_0402_1005Metric</footprint>
<libsource lib="Device" part="R_Small" description="Resistor, small symbol"/>
<property name="Sheetname" value=""/>
<property name="Sheetfile" value="STM32L0_ESP32_Breakout_Board.kicad_sch"/>
<sheetpath names="/" tstamps="/"/>
<tstamps>f26851dc-154b-4999-b469-b7c914677b3e</tstamps>
</comp>
<comp ref="R3">
<value>10k</value>
<footprint>Resistor_SMD:R_0402_1005Metric</footprint>
<libsource lib="Device" part="R_Small" description="Resistor, small symbol"/>
<property name="Sheetname" value=""/>
<property name="Sheetfile" value="STM32L0_ESP32_Breakout_Board.kicad_sch"/>
<sheetpath names="/" tstamps="/"/>
<tstamps>8ee33ce6-da55-4d68-b707-3327039bb310</tstamps>
</comp>
<comp ref="R4">
<value>1K5</value>
<footprint>Resistor_SMD:R_0402_1005Metric</footprint>
<libsource lib="Device" part="R_Small" description="Resistor, small symbol"/>
<property name="Sheetname" value=""/>
<property name="Sheetfile" value="STM32L0_ESP32_Breakout_Board.kicad_sch"/>
<sheetpath names="/" tstamps="/"/>
<tstamps>063c3d34-a284-4a1a-a629-01d7594b8e58</tstamps>
</comp>
<comp ref="R5">
<value>10k</value>
<footprint>Resistor_SMD:R_0402_1005Metric</footprint>
<libsource lib="Device" part="R_Small" description="Resistor, small symbol"/>
<property name="Sheetname" value=""/>
<property name="Sheetfile" value="STM32L0_ESP32_Breakout_Board.kicad_sch"/>
<sheetpath names="/" tstamps="/"/>
<tstamps>378df5f8-5172-44f5-afba-cbea86db4501</tstamps>
</comp>
<comp ref="R6">
<value>1K5</value>
<footprint>Resistor_SMD:R_0402_1005Metric</footprint>
<libsource lib="Device" part="R_Small" description="Resistor, small symbol"/>
<property name="Sheetname" value=""/>
<property name="Sheetfile" value="STM32L0_ESP32_Breakout_Board.kicad_sch"/>
<sheetpath names="/" tstamps="/"/>
<tstamps>8bbf1dac-3b69-4654-8831-5f784086a1e8</tstamps>
</comp>
<comp ref="SW1">
<value>SW_SPST</value>
<footprint>Button_Switch_SMD:SW_SPST_B3U-1000P</footprint>
<libsource lib="Switch" part="SW_SPST" description="Single Pole Single Throw (SPST) switch"/>
<property name="Sheetname" value=""/>
<property name="Sheetfile" value="STM32L0_ESP32_Breakout_Board.kicad_sch"/>
<sheetpath names="/" tstamps="/"/>
<tstamps>4a1085a3-23a3-43f6-a149-7f98b7176d91</tstamps>
</comp>
<comp ref="SW2">
<value>SW_SPST</value>
<footprint>Button_Switch_SMD:SW_SPST_B3U-1000P</footprint>
<libsource lib="Switch" part="SW_SPST" description="Single Pole Single Throw (SPST) switch"/>
<property name="Sheetname" value=""/>
<property name="Sheetfile" value="STM32L0_ESP32_Breakout_Board.kicad_sch"/>
<sheetpath names="/" tstamps="/"/>
<tstamps>9bff67f1-3063-461e-97f8-5445b904c59a</tstamps>
</comp>
<comp ref="SW3">
<value>SW_SPST</value>
<footprint>Button_Switch_SMD:SW_SPST_B3U-1000P</footprint>
<libsource lib="Switch" part="SW_SPST" description="Single Pole Single Throw (SPST) switch"/>
<property name="Sheetname" value=""/>
<property name="Sheetfile" value="STM32L0_ESP32_Breakout_Board.kicad_sch"/>
<sheetpath names="/" tstamps="/"/>
<tstamps>c92ba3bc-4743-4171-b2f3-d64a6eeef18d</tstamps>
</comp>
<comp ref="U1">
<value>AMS1117-3.3</value>
<footprint>Package_TO_SOT_SMD:SOT-223-3_TabPin2</footprint>
<datasheet>http://www.advanced-monolithic.com/pdf/ds1117.pdf</datasheet>
<libsource lib="Regulator_Linear" part="AMS1117-3.3" description="1A Low Dropout regulator, positive, 3.3V fixed output, SOT-223"/>
<property name="Sheetname" value=""/>
<property name="Sheetfile" value="STM32L0_ESP32_Breakout_Board.kicad_sch"/>
<sheetpath names="/" tstamps="/"/>
<tstamps>9493bb2f-78f3-42f6-a98d-d1dfcdf2debb</tstamps>
</comp>
<comp ref="U2">
<value>STM32L031G6Ux</value>
<footprint>Package_DFN_QFN:QFN-28_4x4mm_P0.5mm</footprint>
<datasheet>http://www.st.com/st-web-ui/static/active/en/resource/technical/document/datasheet/DM00140359.pdf</datasheet>
<libsource lib="MCU_ST_STM32L0" part="STM32L031G6Ux" description="ARM Cortex-M0+ MCU, 32KB flash, 8KB RAM, 32MHz, 1.65-3.6V, 21 GPIO, UFQFPN-28"/>
<property name="Sheetname" value=""/>
<property name="Sheetfile" value="STM32L0_ESP32_Breakout_Board.kicad_sch"/>
<sheetpath names="/" tstamps="/"/>
<tstamps>3194d48a-7970-40af-b03e-bed4d9ad1687</tstamps>
</comp>
<comp ref="U3">
<value>ESP32-WROOM-32</value>
<footprint>RF_Module:ESP32-WROOM-32</footprint>
<datasheet>https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32_datasheet_en.pdf</datasheet>
<libsource lib="RF_Module" part="ESP32-WROOM-32" description="RF Module, ESP32-D0WDQ6 SoC, 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="STM32L0_ESP32_Breakout_Board.kicad_sch"/>
<sheetpath names="/" tstamps="/"/>
<tstamps>0837231a-9211-486e-b4d0-67d3fe4c87b7</tstamps>
</comp>
<comp ref="X1">
<value>16MHz</value>
<footprint>Crystal:Crystal_SMD_SeikoEpson_TSX3225-4Pin_3.2x2.5mm</footprint>
<libsource lib="Device" part="Crystal_GND24_Small" description="Four pin crystal, GND on pins 2 and 4, small symbol"/>
<property name="Sheetname" value=""/>
<property name="Sheetfile" value="STM32L0_ESP32_Breakout_Board.kicad_sch"/>
<sheetpath names="/" tstamps="/"/>
<tstamps>3179e1e1-d164-451a-ba2d-c8bbe59bef2f</tstamps>
</comp>
</components>
<libparts>
<libpart lib="Connector_Generic" part="Conn_01x02">
<description>Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/)</description>
<docs>~</docs>
<footprints>
<fp>Connector*:*_1x??_*</fp>
</footprints>
<fields>
<field name="Reference">J</field>
<field name="Value">Conn_01x02</field>
<field name="Datasheet">~</field>
</fields>
<pins>
<pin num="1" name="Pin_1" type="passive"/>
<pin num="2" name="Pin_2" type="passive"/>
</pins>
</libpart>
<libpart lib="Connector_Generic" part="Conn_01x03">
<description>Generic connector, single row, 01x03, script generated (kicad-library-utils/schlib/autogen/connector/)</description>
<docs>~</docs>
<footprints>
<fp>Connector*:*_1x??_*</fp>
</footprints>
<fields>
<field name="Reference">J</field>
<field name="Value">Conn_01x03</field>
<field name="Datasheet">~</field>
</fields>
<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"/>
</pins>
</libpart>
<libpart lib="Device" part="C_Small">
<description>Unpolarized capacitor, small symbol</description>
<docs>~</docs>
<footprints>
<fp>C_*</fp>
</footprints>
<fields>
<field name="Reference">C</field>
<field name="Value">C_Small</field>
<field name="Datasheet">~</field>
</fields>
<pins>
<pin num="1" name="" type="passive"/>
<pin num="2" name="" type="passive"/>
</pins>
</libpart>
<libpart lib="Device" part="Crystal_GND24_Small">
<description>Four pin crystal, GND on pins 2 and 4, small symbol</description>
<docs>~</docs>
<footprints>
<fp>Crystal*</fp>
</footprints>
<fields>
<field name="Reference">Y</field>
<field name="Value">Crystal_GND24_Small</field>
<field name="Datasheet">~</field>
</fields>
<pins>
<pin num="1" name="1" type="passive"/>
<pin num="2" name="2" type="passive"/>
<pin num="3" name="3" type="passive"/>
<pin num="4" name="4" type="passive"/>
</pins>
</libpart>
<libpart lib="Device" part="FerriteBead_Small">
<description>Ferrite bead, small symbol</description>
<docs>~</docs>
<footprints>
<fp>Inductor_*</fp>
<fp>L_*</fp>
<fp>*Ferrite*</fp>
</footprints>
<fields>
<field name="Reference">FB</field>
<field name="Value">FerriteBead_Small</field>
<field name="Datasheet">~</field>
</fields>
<pins>
<pin num="1" name="" type="passive"/>
<pin num="2" name="" type="passive"/>
</pins>
</libpart>
<libpart lib="Device" part="LED_Small">
<description>Light emitting diode, small symbol</description>
<docs>~</docs>
<footprints>
<fp>LED*</fp>
<fp>LED_SMD:*</fp>
<fp>LED_THT:*</fp>
</footprints>
<fields>
<field name="Reference">D</field>
<field name="Value">LED_Small</field>
<field name="Datasheet">~</field>
</fields>
<pins>
<pin num="1" name="K" type="passive"/>
<pin num="2" name="A" type="passive"/>
</pins>
</libpart>
<libpart lib="Device" part="R_Small">
<description>Resistor, small symbol</description>
<docs>~</docs>
<footprints>
<fp>R_*</fp>
</footprints>
<fields>
<field name="Reference">R</field>
<field name="Value">R_Small</field>
<field name="Datasheet">~</field>
</fields>
<pins>
<pin num="1" name="" type="passive"/>
<pin num="2" name="" type="passive"/>
</pins>
</libpart>
<libpart lib="MCU_ST_STM32L0" part="STM32L031G6Ux">
<description>ARM Cortex-M0+ MCU, 32KB flash, 8KB RAM, 32MHz, 1.65-3.6V, 21 GPIO, UFQFPN-28</description>
<docs>http://www.st.com/st-web-ui/static/active/en/resource/technical/document/datasheet/DM00140359.pdf</docs>
<footprints>
<fp>QFN*4x4mm*P0.5mm*</fp>
</footprints>
<fields>
<field name="Reference">U</field>
<field name="Value">STM32L031G6Ux</field>
<field name="Footprint">Package_DFN_QFN:QFN-28_4x4mm_P0.5mm</field>
<field name="Datasheet">http://www.st.com/st-web-ui/static/active/en/resource/technical/document/datasheet/DM00140359.pdf</field>
</fields>
<pins>
<pin num="1" name="VDD" type="power_in"/>
<pin num="2" name="PC14" type="bidirectional"/>
<pin num="3" name="PC15" type="bidirectional"/>
<pin num="4" name="NRST" type="input"/>
<pin num="5" name="VDDA" type="power_in"/>
<pin num="6" name="PA0" type="bidirectional"/>
<pin num="7" name="PA1" type="bidirectional"/>
<pin num="8" name="PA2" type="bidirectional"/>
<pin num="9" name="PA3" type="bidirectional"/>
<pin num="10" name="PA4" type="bidirectional"/>
<pin num="11" name="PA5" type="bidirectional"/>
<pin num="12" name="PA6" type="bidirectional"/>
<pin num="13" name="PA7" type="bidirectional"/>
<pin num="14" name="PB0" type="bidirectional"/>
<pin num="15" name="PB1" type="bidirectional"/>
<pin num="16" name="VSS" type="power_in"/>
<pin num="17" name="VDD" type="power_in"/>
<pin num="18" name="PA8" type="bidirectional"/>
<pin num="19" name="PA9" type="bidirectional"/>
<pin num="20" name="PA10" type="bidirectional"/>
<pin num="21" name="PA13" type="bidirectional"/>
<pin num="22" name="PA14" type="bidirectional"/>
<pin num="23" name="PA15" type="bidirectional"/>
<pin num="24" name="PB3" type="bidirectional"/>
<pin num="25" name="PB6" type="bidirectional"/>
<pin num="26" name="PB7" type="bidirectional"/>
<pin num="27" name="BOOT0" type="input"/>
<pin num="28" name="VSS" type="power_in"/>
</pins>
</libpart>
<libpart lib="Mechanical" part="MountingHole_Pad">
<description>Mounting Hole with connection</description>
<docs>~</docs>
<footprints>
<fp>MountingHole*Pad*</fp>
</footprints>
<fields>
<field name="Reference">H</field>
<field name="Value">MountingHole_Pad</field>
<field name="Datasheet">~</field>
</fields>
<pins>
<pin num="1" name="1" type="input"/>
</pins>
</libpart>
<libpart lib="RF_Module" part="ESP32-WROOM-32">
<description>RF Module, ESP32-D0WDQ6 SoC, Wi-Fi 802.11b/g/n, Bluetooth, BLE, 32-bit, 2.7-3.6V, onboard antenna, SMD</description>
<docs>https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32_datasheet_en.pdf</docs>
<footprints>
<fp>ESP32?WROOM?32*</fp>
</footprints>
<fields>
<field name="Reference">U</field>
<field name="Value">ESP32-WROOM-32</field>
<field name="Footprint">RF_Module:ESP32-WROOM-32</field>
<field name="Datasheet">https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32_datasheet_en.pdf</field>
</fields>
<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="SHD/SD2" type="bidirectional"/>
<pin num="18" name="SWP/SD3" type="bidirectional"/>
<pin num="19" name="SCS/CMD" type="bidirectional"/>
<pin num="20" name="SCK/CLK" type="bidirectional"/>
<pin num="21" name="SDO/SD0" type="bidirectional"/>
<pin num="22" name="SDI/SD1" type="bidirectional"/>
<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"/>
</pins>
</libpart>
<libpart lib="Regulator_Linear" part="AMS1117-3.3">
<description>1A Low Dropout regulator, positive, 3.3V fixed output, SOT-223</description>
<docs>http://www.advanced-monolithic.com/pdf/ds1117.pdf</docs>
<footprints>
<fp>SOT?223*TabPin2*</fp>
</footprints>
<fields>
<field name="Reference">U</field>
<field name="Value">AMS1117-3.3</field>
<field name="Footprint">Package_TO_SOT_SMD:SOT-223-3_TabPin2</field>
<field name="Datasheet">http://www.advanced-monolithic.com/pdf/ds1117.pdf</field>
</fields>
<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"/>
</pins>
</libpart>
<libpart lib="Switch" part="SW_SPST">
<description>Single Pole Single Throw (SPST) switch</description>
<docs>~</docs>
<fields>
<field name="Reference">SW</field>
<field name="Value">SW_SPST</field>
<field name="Datasheet">~</field>
</fields>
<pins>
<pin num="1" name="A" type="passive"/>
<pin num="2" name="B" type="passive"/>
</pins>
</libpart>
</libparts>
<libraries>
<library logical="Connector_Generic">
<uri>C:\Program Files\KiCad\6.0\share\kicad\symbols\/Connector_Generic.kicad_sym</uri>
</library>
<library logical="Device">
<uri>C:\Program Files\KiCad\6.0\share\kicad\symbols\/Device.kicad_sym</uri>
</library>
<library logical="MCU_ST_STM32L0">
<uri>C:\Program Files\KiCad\6.0\share\kicad\symbols\/MCU_ST_STM32L0.kicad_sym</uri>
</library>
<library logical="Mechanical">
<uri>C:\Program Files\KiCad\6.0\share\kicad\symbols\/Mechanical.kicad_sym</uri>
</library>
<library logical="RF_Module">
<uri>C:\Program Files\KiCad\6.0\share\kicad\symbols\/RF_Module.kicad_sym</uri>
</library>
<library logical="Regulator_Linear">
<uri>C:\Program Files\KiCad\6.0\share\kicad\symbols\/Regulator_Linear.kicad_sym</uri>
</library>
<library logical="Switch">
<uri>C:\Program Files\KiCad\6.0\share\kicad\symbols\/Switch.kicad_sym</uri>
</library>
</libraries>
<nets>
<net code="1" name="+3.3V">
<node ref="C2" pin="1" pintype="passive"/>
<node ref="C3" pin="1" pintype="passive"/>
<node ref="C4" pin="1" pintype="passive"/>
<node ref="C5" pin="1" pintype="passive"/>
<node ref="D1" pin="2" pinfunction="A" pintype="passive"/>
<node ref="FB1" pin="2" pintype="passive"/>
<node ref="J3" pin="1" pinfunction="Pin_1" pintype="passive"/>
<node ref="J4" pin="1" pinfunction="Pin_1" pintype="passive"/>
<node ref="U1" pin="2" pinfunction="VO" pintype="power_out"/>
<node ref="U2" pin="1" pinfunction="VDD" pintype="power_in"/>
<node ref="U2" pin="17" pinfunction="VDD" pintype="power_in"/>
<node ref="U3" pin="2" pinfunction="VDD" pintype="power_in"/>
</net>
<net code="2" name="+3.3VA">
<node ref="C6" pin="1" pintype="passive"/>
<node ref="C7" pin="1" pintype="passive"/>
<node ref="FB1" pin="1" pintype="passive"/>
<node ref="U2" pin="5" pinfunction="VDDA" pintype="power_in"/>
</net>
<net code="3" name="ADC">
<node ref="J4" pin="2" pinfunction="Pin_2" pintype="passive"/>
<node ref="U2" pin="7" pinfunction="PA1" pintype="bidirectional"/>
</net>
<net code="4" name="BOOT0">
<node ref="R2" pin="1" pintype="passive"/>
<node ref="U2" pin="27" pinfunction="BOOT0" pintype="input"/>
</net>
<net code="5" name="EN">
<node ref="SW3" pin="1" pinfunction="A" pintype="passive"/>
<node ref="U3" pin="3" pinfunction="EN" pintype="input"/>
</net>
<net code="6" name="ESP_USR_LED">
<node ref="D3" pin="2" pinfunction="A" pintype="passive"/>
<node ref="U3" pin="29" pinfunction="IO5" pintype="bidirectional"/>
</net>
<net code="7" name="GND">
<node ref="C1" pin="2" pintype="passive"/>
<node ref="C2" pin="2" pintype="passive"/>
<node ref="C3" pin="2" pintype="passive"/>
<node ref="C4" pin="2" pintype="passive"/>
<node ref="C5" pin="2" pintype="passive"/>
<node ref="C6" pin="2" pintype="passive"/>
<node ref="C7" pin="2" pintype="passive"/>
<node ref="C8" pin="2" pintype="passive"/>
<node ref="C9" pin="2" pintype="passive"/>
<node ref="H1" pin="1" pinfunction="1" pintype="input"/>
<node ref="H2" pin="1" pinfunction="1" pintype="input"/>
<node ref="H3" pin="1" pinfunction="1" pintype="input"/>
<node ref="H4" pin="1" pinfunction="1" pintype="input"/>
<node ref="J1" pin="2" pinfunction="Pin_2" pintype="passive"/>
<node ref="J2" pin="3" pinfunction="Pin_3" pintype="passive"/>
<node ref="J3" pin="3" pinfunction="Pin_3" pintype="passive"/>
<node ref="J4" pin="3" pinfunction="Pin_3" pintype="passive"/>
<node ref="J5" pin="3" pinfunction="Pin_3" pintype="passive"/>
<node ref="R1" pin="2" pintype="passive"/>
<node ref="R2" pin="2" pintype="passive"/>
<node ref="R3" pin="2" pintype="passive"/>
<node ref="R4" pin="2" pintype="passive"/>
<node ref="R5" pin="2" pintype="passive"/>
<node ref="R6" pin="2" pintype="passive"/>
<node ref="SW1" pin="2" pinfunction="B" pintype="passive"/>
<node ref="U1" pin="1" pinfunction="GND" pintype="power_in"/>
<node ref="U2" pin="16" pinfunction="VSS" pintype="power_in"/>
<node ref="U2" pin="28" pinfunction="VSS" pintype="power_in"/>
<node ref="U3" pin="1" pinfunction="GND" pintype="power_in"/>
<node ref="U3" pin="15" pinfunction="GND" pintype="passive"/>
<node ref="U3" pin="38" pinfunction="GND" pintype="passive"/>
<node ref="U3" pin="39" pinfunction="GND" pintype="passive"/>
<node ref="X1" pin="2" pinfunction="2" pintype="passive"/>
<node ref="X1" pin="4" pinfunction="4" pintype="passive"/>
</net>
<net code="8" name="HSE_IN">
<node ref="C9" pin="1" pintype="passive"/>
<node ref="U2" pin="2" pinfunction="PC14" pintype="bidirectional"/>
<node ref="X1" pin="1" pinfunction="1" pintype="passive"/>
</net>
<net code="9" name="HSE_OUT">
<node ref="C8" pin="1" pintype="passive"/>
<node ref="U2" pin="3" pinfunction="PC15" pintype="bidirectional"/>
<node ref="X1" pin="3" pinfunction="3" pintype="passive"/>
</net>
<net code="10" name="IO0">
<node ref="SW2" pin="1" pinfunction="A" pintype="passive"/>
<node ref="U3" pin="25" pinfunction="IO0" pintype="bidirectional"/>
</net>
<net code="11" name="NRST">
<node ref="SW1" pin="1" pinfunction="A" pintype="passive"/>
<node ref="U2" pin="4" pinfunction="NRST" pintype="input"/>
</net>
<net code="12" name="Net-(D1-Pad1)">
<node ref="D1" pin="1" pinfunction="K" pintype="passive"/>
<node ref="R1" pin="1" pintype="passive"/>
</net>
<net code="13" name="Net-(D2-Pad1)">
<node ref="D2" pin="1" pinfunction="K" pintype="passive"/>
<node ref="R4" pin="1" pintype="passive"/>
</net>
<net code="14" name="Net-(D3-Pad1)">
<node ref="D3" pin="1" pinfunction="K" pintype="passive"/>
<node ref="R6" pin="1" pintype="passive"/>
</net>
<net code="15" name="Net-(R3-Pad1)">
<node ref="R3" pin="1" pintype="passive"/>
<node ref="SW2" pin="2" pinfunction="B" pintype="passive"/>
</net>
<net code="16" name="Net-(R5-Pad1)">
<node ref="R5" pin="1" pintype="passive"/>
<node ref="SW3" pin="2" pinfunction="B" pintype="passive"/>
</net>
<net code="17" name="PWM">
<node ref="J3" pin="2" pinfunction="Pin_2" pintype="passive"/>
<node ref="U2" pin="8" pinfunction="PA2" pintype="bidirectional"/>
</net>
<net code="18" name="Prog_RX">
<node ref="J5" pin="1" pinfunction="Pin_1" pintype="passive"/>
<node ref="U3" pin="34" pinfunction="RXD0/IO3" pintype="bidirectional"/>
</net>
<net code="19" name="Prog_TX">
<node ref="J5" pin="2" pinfunction="Pin_2" pintype="passive"/>
<node ref="U3" pin="35" pinfunction="TXD0/IO1" pintype="bidirectional"/>
</net>
<net code="20" name="STM_USR_LED">
<node ref="D2" pin="2" pinfunction="A" pintype="passive"/>
<node ref="U2" pin="9" pinfunction="PA3" pintype="bidirectional"/>
</net>
<net code="21" name="SWDCLK">
<node ref="J2" pin="2" pinfunction="Pin_2" pintype="passive"/>
<node ref="U2" pin="22" pinfunction="PA14" pintype="bidirectional"/>
</net>
<net code="22" name="SWDIO">
<node ref="J2" pin="1" pinfunction="Pin_1" pintype="passive"/>
<node ref="U2" pin="21" pinfunction="PA13" pintype="bidirectional"/>
</net>
<net code="23" name="UART_RX">
<node ref="U2" pin="26" pinfunction="PB7" pintype="bidirectional"/>
<node ref="U3" pin="30" pinfunction="IO18" pintype="bidirectional"/>
</net>
<net code="24" name="UART_TX">
<node ref="U2" pin="25" pinfunction="PB6" pintype="bidirectional"/>
<node ref="U3" pin="31" pinfunction="IO19" pintype="bidirectional"/>
</net>
<net code="25" name="VCC">
<node ref="C1" pin="1" pintype="passive"/>
<node ref="J1" pin="1" pinfunction="Pin_1" pintype="passive"/>
<node ref="U1" pin="3" pinfunction="VI" pintype="power_in"/>
</net>
<net code="26" name="unconnected-(U2-Pad6)">
<node ref="U2" pin="6" pinfunction="PA0" pintype="bidirectional+no_connect"/>
</net>
<net code="27" name="unconnected-(U2-Pad10)">
<node ref="U2" pin="10" pinfunction="PA4" pintype="bidirectional+no_connect"/>
</net>
<net code="28" name="unconnected-(U2-Pad11)">
<node ref="U2" pin="11" pinfunction="PA5" pintype="bidirectional+no_connect"/>
</net>
<net code="29" name="unconnected-(U2-Pad12)">
<node ref="U2" pin="12" pinfunction="PA6" pintype="bidirectional+no_connect"/>
</net>
<net code="30" name="unconnected-(U2-Pad13)">
<node ref="U2" pin="13" pinfunction="PA7" pintype="bidirectional+no_connect"/>
</net>
<net code="31" name="unconnected-(U2-Pad14)">
<node ref="U2" pin="14" pinfunction="PB0" pintype="bidirectional+no_connect"/>
</net>
<net code="32" name="unconnected-(U2-Pad15)">
<node ref="U2" pin="15" pinfunction="PB1" pintype="bidirectional+no_connect"/>
</net>
<net code="33" name="unconnected-(U2-Pad18)">
<node ref="U2" pin="18" pinfunction="PA8" pintype="bidirectional+no_connect"/>
</net>
<net code="34" name="unconnected-(U2-Pad19)">
<node ref="U2" pin="19" pinfunction="PA9" pintype="bidirectional+no_connect"/>
</net>
<net code="35" name="unconnected-(U2-Pad20)">
<node ref="U2" pin="20" pinfunction="PA10" pintype="bidirectional+no_connect"/>
</net>
<net code="36" name="unconnected-(U2-Pad23)">
<node ref="U2" pin="23" pinfunction="PA15" pintype="bidirectional+no_connect"/>
</net>
<net code="37" name="unconnected-(U2-Pad24)">
<node ref="U2" pin="24" pinfunction="PB3" pintype="bidirectional+no_connect"/>
</net>
<net code="38" name="unconnected-(U3-Pad4)">
<node ref="U3" pin="4" pinfunction="SENSOR_VP" pintype="input+no_connect"/>
</net>
<net code="39" name="unconnected-(U3-Pad5)">
<node ref="U3" pin="5" pinfunction="SENSOR_VN" pintype="input+no_connect"/>
</net>
<net code="40" name="unconnected-(U3-Pad6)">
<node ref="U3" pin="6" pinfunction="IO34" pintype="input+no_connect"/>
</net>
<net code="41" name="unconnected-(U3-Pad7)">
<node ref="U3" pin="7" pinfunction="IO35" pintype="input+no_connect"/>
</net>
<net code="42" name="unconnected-(U3-Pad8)">
<node ref="U3" pin="8" pinfunction="IO32" pintype="bidirectional+no_connect"/>
</net>
<net code="43" name="unconnected-(U3-Pad9)">
<node ref="U3" pin="9" pinfunction="IO33" pintype="bidirectional+no_connect"/>
</net>
<net code="44" name="unconnected-(U3-Pad10)">
<node ref="U3" pin="10" pinfunction="IO25" pintype="bidirectional+no_connect"/>
</net>
<net code="45" name="unconnected-(U3-Pad11)">
<node ref="U3" pin="11" pinfunction="IO26" pintype="bidirectional+no_connect"/>
</net>
<net code="46" name="unconnected-(U3-Pad12)">
<node ref="U3" pin="12" pinfunction="IO27" pintype="bidirectional+no_connect"/>
</net>
<net code="47" name="unconnected-(U3-Pad13)">
<node ref="U3" pin="13" pinfunction="IO14" pintype="bidirectional+no_connect"/>
</net>
<net code="48" name="unconnected-(U3-Pad14)">
<node ref="U3" pin="14" pinfunction="IO12" pintype="bidirectional+no_connect"/>
</net>
<net code="49" name="unconnected-(U3-Pad16)">
<node ref="U3" pin="16" pinfunction="IO13" pintype="bidirectional+no_connect"/>
</net>
<net code="50" name="unconnected-(U3-Pad17)">
<node ref="U3" pin="17" pinfunction="SHD/SD2" pintype="bidirectional+no_connect"/>
</net>
<net code="51" name="unconnected-(U3-Pad18)">
<node ref="U3" pin="18" pinfunction="SWP/SD3" pintype="bidirectional+no_connect"/>
</net>
<net code="52" name="unconnected-(U3-Pad19)">
<node ref="U3" pin="19" pinfunction="SCS/CMD" pintype="bidirectional+no_connect"/>
</net>
<net code="53" name="unconnected-(U3-Pad20)">
<node ref="U3" pin="20" pinfunction="SCK/CLK" pintype="bidirectional+no_connect"/>
</net>
<net code="54" name="unconnected-(U3-Pad21)">
<node ref="U3" pin="21" pinfunction="SDO/SD0" pintype="bidirectional+no_connect"/>
</net>
<net code="55" name="unconnected-(U3-Pad22)">
<node ref="U3" pin="22" pinfunction="SDI/SD1" pintype="bidirectional+no_connect"/>
</net>
<net code="56" name="unconnected-(U3-Pad23)">
<node ref="U3" pin="23" pinfunction="IO15" pintype="bidirectional+no_connect"/>
</net>
<net code="57" name="unconnected-(U3-Pad24)">
<node ref="U3" pin="24" pinfunction="IO2" pintype="bidirectional+no_connect"/>
</net>
<net code="58" name="unconnected-(U3-Pad26)">
<node ref="U3" pin="26" pinfunction="IO4" pintype="bidirectional+no_connect"/>
</net>
<net code="59" name="unconnected-(U3-Pad27)">
<node ref="U3" pin="27" pinfunction="IO16" pintype="bidirectional+no_connect"/>
</net>
<net code="60" name="unconnected-(U3-Pad28)">
<node ref="U3" pin="28" pinfunction="IO17" pintype="bidirectional+no_connect"/>
</net>
<net code="61" name="unconnected-(U3-Pad32)">
<node ref="U3" pin="32" pinfunction="NC" pintype="no_connect"/>
</net>
<net code="62" name="unconnected-(U3-Pad33)">
<node ref="U3" pin="33" pinfunction="IO21" pintype="bidirectional+no_connect"/>
</net>
<net code="63" name="unconnected-(U3-Pad36)">
<node ref="U3" pin="36" pinfunction="IO22" pintype="bidirectional+no_connect"/>
</net>
<net code="64" name="unconnected-(U3-Pad37)">
<node ref="U3" pin="37" pinfunction="IO23" pintype="bidirectional+no_connect"/>
</net>
</nets>
</export>