diff --git a/board-design/esp32-sensornode.xml b/board-design/esp32-sensornode.xml
new file mode 100644
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--- /dev/null
+++ b/board-design/esp32-sensornode.xml
@@ -0,0 +1,754 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<export version="D">
+  <design>
+    <source>/Users/jannik/JBeyerstedt-Projekte/esp32/esp32-sensornode/board-design/esp32-sensornode.sch</source>
+    <date>Monday, 06 August 2018 at 20:24:19</date>
+    <tool>Eeschema (5.0.0-3-g5ebb6b6)</tool>
+    <sheet number="1" name="/" tstamps="/">
+      <title_block>
+        <title>ESP32 Sensor Node with SI7021</title>
+        <company>Jannik Beyerstedt</company>
+        <rev>2</rev>
+        <date>2018-08-01</date>
+        <source>esp32-sensornode.sch</source>
+        <comment number="1" value=""/>
+        <comment number="2" value=""/>
+        <comment number="3" value=""/>
+        <comment number="4" value=""/>
+      </title_block>
+    </sheet>
+  </design>
+  <components>
+    <comp ref="D1">
+      <value>1N5401</value>
+      <footprint>Diode_THT:D_DO-201AD_P12.70mm_Horizontal</footprint>
+      <datasheet>http://www.vishay.com/docs/88503/1n4001.pdf</datasheet>
+      <libsource lib="Diode" part="1N4001" description="50V 1A General Purpose Rectifier Diode, DO-41"/>
+      <sheetpath names="/" tstamps="/"/>
+      <tstamp>5B5EF193</tstamp>
+    </comp>
+    <comp ref="U2">
+      <value>Si7021-A20</value>
+      <footprint>Package_DFN_QFN:DFN-6-1EP_3x3mm_P1mm_EP1.5x2.4mm</footprint>
+      <datasheet>https://www.silabs.com/documents/public/data-sheets/Si7020-A20.pdf</datasheet>
+      <libsource lib="Sensor_Humidity" part="Si7020-A20" description="I2C Humidity and Temperature Sensor, DFN-6"/>
+      <sheetpath names="/" tstamps="/"/>
+      <tstamp>5B5EF5BA</tstamp>
+    </comp>
+    <comp ref="J2">
+      <value>FTDI:GRN-BLK</value>
+      <footprint>Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Vertical</footprint>
+      <datasheet>~</datasheet>
+      <libsource lib="Connector" part="Conn_01x06_Male" description="Generic connector, single row, 01x06, script generated (kicad-library-utils/schlib/autogen/connector/)"/>
+      <sheetpath names="/" tstamps="/"/>
+      <tstamp>5B5EFFB5</tstamp>
+    </comp>
+    <comp ref="BT1">
+      <value>18650 Li-Ion</value>
+      <footprint>JBeyerstedt-Library:BatteryHolder_COMF_BHC-18650-1</footprint>
+      <datasheet>~</datasheet>
+      <libsource lib="Device" part="Battery_Cell" description="single battery cell"/>
+      <sheetpath names="/" tstamps="/"/>
+      <tstamp>5B5F4F5C</tstamp>
+    </comp>
+    <comp ref="U1">
+      <value>ESP32-WROOM</value>
+      <footprint>JBeyerstedt-Library:ESP32-WROOM</footprint>
+      <libsource lib="JBeyerstedt-Library" part="ESP32-WROOM" description="Highly integrated Wi-Fi SoC, ESP-WROOM-32"/>
+      <sheetpath names="/" tstamps="/"/>
+      <tstamp>5B5F5158</tstamp>
+    </comp>
+    <comp ref="J3">
+      <value>SI7021:SDA-VIN</value>
+      <footprint>Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical</footprint>
+      <datasheet>~</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>5B5F555A</tstamp>
+    </comp>
+    <comp ref="R1">
+      <value>22K</value>
+      <footprint>Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal</footprint>
+      <datasheet>~</datasheet>
+      <libsource lib="Device" part="R" description="Resistor"/>
+      <sheetpath names="/" tstamps="/"/>
+      <tstamp>5B5F5773</tstamp>
+    </comp>
+    <comp ref="R2">
+      <value>22K</value>
+      <footprint>Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal</footprint>
+      <datasheet>~</datasheet>
+      <libsource lib="Device" part="R" description="Resistor"/>
+      <sheetpath names="/" tstamps="/"/>
+      <tstamp>5B5F57E6</tstamp>
+    </comp>
+    <comp ref="R6">
+      <value>3.3M</value>
+      <footprint>Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal</footprint>
+      <datasheet>~</datasheet>
+      <libsource lib="Device" part="R" description="Resistor"/>
+      <sheetpath names="/" tstamps="/"/>
+      <tstamp>5B5F5860</tstamp>
+    </comp>
+    <comp ref="J4">
+      <value>BOOT-EXEC</value>
+      <footprint>Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical</footprint>
+      <datasheet>~</datasheet>
+      <libsource lib="Connector" part="Conn_01x03_Male" description="Generic connector, single row, 01x03, script generated (kicad-library-utils/schlib/autogen/connector/)"/>
+      <sheetpath names="/" tstamps="/"/>
+      <tstamp>5B5F59C4</tstamp>
+    </comp>
+    <comp ref="R3">
+      <value>22K</value>
+      <footprint>Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal</footprint>
+      <datasheet>~</datasheet>
+      <libsource lib="Device" part="R" description="Resistor"/>
+      <sheetpath names="/" tstamps="/"/>
+      <tstamp>5B5FD2E5</tstamp>
+    </comp>
+    <comp ref="C1">
+      <value>1n</value>
+      <footprint>Capacitor_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm</footprint>
+      <datasheet>~</datasheet>
+      <libsource lib="Device" part="C" description="Unpolarized capacitor"/>
+      <sheetpath names="/" tstamps="/"/>
+      <tstamp>5B6101CB</tstamp>
+    </comp>
+    <comp ref="C3">
+      <value>1u</value>
+      <footprint>Capacitor_THT:C_Rect_L4.6mm_W3.8mm_P2.50mm_MKS02_FKP02</footprint>
+      <datasheet>~</datasheet>
+      <libsource lib="Device" part="C" description="Unpolarized capacitor"/>
+      <sheetpath names="/" tstamps="/"/>
+      <tstamp>5B610407</tstamp>
+    </comp>
+    <comp ref="C2">
+      <value>0.1u</value>
+      <footprint>Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder</footprint>
+      <datasheet>~</datasheet>
+      <libsource lib="Device" part="C" description="Unpolarized capacitor"/>
+      <sheetpath names="/" tstamps="/"/>
+      <tstamp>5B61048F</tstamp>
+    </comp>
+    <comp ref="R7">
+      <value>1M</value>
+      <footprint>Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal</footprint>
+      <datasheet>~</datasheet>
+      <libsource lib="Device" part="R" description="Resistor"/>
+      <sheetpath names="/" tstamps="/"/>
+      <tstamp>5B628838</tstamp>
+    </comp>
+    <comp ref="R5">
+      <value>22K</value>
+      <footprint>Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder</footprint>
+      <datasheet>~</datasheet>
+      <libsource lib="Device" part="R" description="Resistor"/>
+      <sheetpath names="/" tstamps="/"/>
+      <tstamp>5B640572</tstamp>
+    </comp>
+    <comp ref="R4">
+      <value>22K</value>
+      <footprint>Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder</footprint>
+      <datasheet>~</datasheet>
+      <libsource lib="Device" part="R" description="Resistor"/>
+      <sheetpath names="/" tstamps="/"/>
+      <tstamp>5B6405FC</tstamp>
+    </comp>
+    <comp ref="SW1">
+      <value>EN</value>
+      <footprint>Button_Switch_THT:SW_PUSH_6mm</footprint>
+      <libsource lib="Switch" part="SW_Push" description="Push button switch, generic, two pins"/>
+      <sheetpath names="/" tstamps="/"/>
+      <tstamp>5B61DE7C</tstamp>
+    </comp>
+    <comp ref="R8">
+      <value>47R</value>
+      <footprint>Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal</footprint>
+      <datasheet>~</datasheet>
+      <libsource lib="Device" part="R" description="Resistor"/>
+      <sheetpath names="/" tstamps="/"/>
+      <tstamp>5B64D8D2</tstamp>
+    </comp>
+    <comp ref="C4">
+      <value>0.1u</value>
+      <footprint>Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder</footprint>
+      <datasheet>~</datasheet>
+      <libsource lib="Device" part="C" description="Unpolarized capacitor"/>
+      <sheetpath names="/" tstamps="/"/>
+      <tstamp>5B668915</tstamp>
+    </comp>
+    <comp ref="J1">
+      <value>JTAG_ESP32</value>
+      <footprint>Connector_PinHeader_2.54mm:PinHeader_2x07_P2.54mm_Vertical</footprint>
+      <datasheet>~</datasheet>
+      <libsource lib="JBeyerstedt-Library" part="JTAG_ESP32" description="Shortened JTAG connector, double row, 02x07"/>
+      <sheetpath names="/" tstamps="/"/>
+      <tstamp>5B6839CC</tstamp>
+    </comp>
+    <comp ref="C5">
+      <value>100u</value>
+      <footprint>Capacitor_THT:CP_Radial_D10.0mm_P5.00mm</footprint>
+      <datasheet>~</datasheet>
+      <libsource lib="Device" part="CP" description="Polarised capacitor"/>
+      <sheetpath names="/" tstamps="/"/>
+      <tstamp>5B6383FA</tstamp>
+    </comp>
+    <comp ref="C6">
+      <value>470u</value>
+      <footprint>Capacitor_THT:CP_Radial_D10.0mm_P5.00mm</footprint>
+      <datasheet>~</datasheet>
+      <libsource lib="Device" part="CP" description="Polarised capacitor"/>
+      <sheetpath names="/" tstamps="/"/>
+      <tstamp>5B63868C</tstamp>
+    </comp>
+    <comp ref="C7">
+      <value>4.7u</value>
+      <footprint>Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder</footprint>
+      <datasheet>~</datasheet>
+      <libsource lib="Device" part="C" description="Unpolarized capacitor"/>
+      <sheetpath names="/" tstamps="/"/>
+      <tstamp>5B68C40C</tstamp>
+    </comp>
+    <comp ref="C8">
+      <value>0.01u</value>
+      <footprint>Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder</footprint>
+      <datasheet>~</datasheet>
+      <libsource lib="Device" part="C" description="Unpolarized capacitor"/>
+      <sheetpath names="/" tstamps="/"/>
+      <tstamp>5B6A7422</tstamp>
+    </comp>
+    <comp ref="C9">
+      <value>0.1u</value>
+      <footprint>Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder</footprint>
+      <datasheet>~</datasheet>
+      <libsource lib="Device" part="C" description="Unpolarized capacitor"/>
+      <sheetpath names="/" tstamps="/"/>
+      <tstamp>5B6A7469</tstamp>
+    </comp>
+    <comp ref="U3">
+      <value>TC1262-33</value>
+      <footprint>Package_TO_SOT_SMD:SOT-223-3_TabPin2</footprint>
+      <datasheet>http://ww1.microchip.com/downloads/en/DeviceDoc/21373C.pdf</datasheet>
+      <libsource lib="Regulator_Linear" part="TC1262-33" description="500mA Low Dropout CMOS Voltage Regulator, Fixed Output 3.3V, TO-220/SOT-223/TO-263"/>
+      <sheetpath names="/" tstamps="/"/>
+      <tstamp>5B68D0BE</tstamp>
+    </comp>
+    <comp ref="C10">
+      <value>1u</value>
+      <footprint>Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder</footprint>
+      <datasheet>~</datasheet>
+      <libsource lib="Device" part="C" description="Unpolarized capacitor"/>
+      <sheetpath names="/" tstamps="/"/>
+      <tstamp>5B68D194</tstamp>
+    </comp>
+  </components>
+  <libparts>
+    <libpart lib="Connector" part="Conn_01x03_Male">
+      <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_Male</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="Connector" part="Conn_01x04_Female">
+      <description>Generic connector, single row, 01x04, 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_01x04_Female</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"/>
+        <pin num="4" name="Pin_4" type="passive"/>
+      </pins>
+    </libpart>
+    <libpart lib="Connector" part="Conn_01x06_Male">
+      <description>Generic connector, single row, 01x06, 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_01x06_Male</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"/>
+        <pin num="4" name="Pin_4" type="passive"/>
+        <pin num="5" name="Pin_5" type="passive"/>
+        <pin num="6" name="Pin_6" type="passive"/>
+      </pins>
+    </libpart>
+    <libpart lib="Device" part="Battery_Cell">
+      <description>single battery cell</description>
+      <docs>~</docs>
+      <fields>
+        <field name="Reference">BT</field>
+        <field name="Value">Battery_Cell</field>
+      </fields>
+      <pins>
+        <pin num="1" name="+" type="passive"/>
+        <pin num="2" name="-" type="passive"/>
+      </pins>
+    </libpart>
+    <libpart lib="Device" part="C">
+      <description>Unpolarized capacitor</description>
+      <docs>~</docs>
+      <footprints>
+        <fp>C_*</fp>
+      </footprints>
+      <fields>
+        <field name="Reference">C</field>
+        <field name="Value">C</field>
+      </fields>
+      <pins>
+        <pin num="1" name="~" type="passive"/>
+        <pin num="2" name="~" type="passive"/>
+      </pins>
+    </libpart>
+    <libpart lib="Device" part="CP">
+      <description>Polarised capacitor</description>
+      <docs>~</docs>
+      <footprints>
+        <fp>CP_*</fp>
+      </footprints>
+      <fields>
+        <field name="Reference">C</field>
+        <field name="Value">CP</field>
+      </fields>
+      <pins>
+        <pin num="1" name="~" type="passive"/>
+        <pin num="2" name="~" type="passive"/>
+      </pins>
+    </libpart>
+    <libpart lib="Device" part="R">
+      <description>Resistor</description>
+      <docs>~</docs>
+      <footprints>
+        <fp>R_*</fp>
+      </footprints>
+      <fields>
+        <field name="Reference">R</field>
+        <field name="Value">R</field>
+      </fields>
+      <pins>
+        <pin num="1" name="~" type="passive"/>
+        <pin num="2" name="~" type="passive"/>
+      </pins>
+    </libpart>
+    <libpart lib="Diode" part="1N4001">
+      <aliases>
+        <alias>1N4002</alias>
+        <alias>1N4003</alias>
+        <alias>1N4004</alias>
+        <alias>1N4005</alias>
+        <alias>1N4006</alias>
+        <alias>1N4007</alias>
+        <alias>BA157</alias>
+        <alias>BA158</alias>
+        <alias>BA159</alias>
+      </aliases>
+      <description>50V 1A General Purpose Rectifier Diode, DO-41</description>
+      <docs>http://www.vishay.com/docs/88503/1n4001.pdf</docs>
+      <footprints>
+        <fp>D*DO?41*</fp>
+      </footprints>
+      <fields>
+        <field name="Reference">D</field>
+        <field name="Value">1N4001</field>
+        <field name="Footprint">Diode_THT:D_DO-41_SOD81_P10.16mm_Horizontal</field>
+      </fields>
+      <pins>
+        <pin num="1" name="K" type="passive"/>
+        <pin num="2" name="A" type="passive"/>
+      </pins>
+    </libpart>
+    <libpart lib="JBeyerstedt-Library" part="ESP32-WROOM">
+      <description>Highly integrated Wi-Fi SoC, ESP-WROOM-32</description>
+      <footprints>
+        <fp>ESP32-WROOM</fp>
+      </footprints>
+      <fields>
+        <field name="Reference">U</field>
+        <field name="Value">ESP32-WROOM</field>
+      </fields>
+      <pins>
+        <pin num="1" name="GND" type="power_in"/>
+        <pin num="2" name="3V3" type="power_in"/>
+        <pin num="3" name="EN" type="input"/>
+        <pin num="4" name="SENS_VP" type="BiDi"/>
+        <pin num="5" name="SENS_VN" type="BiDi"/>
+        <pin num="6" name="IO34" type="BiDi"/>
+        <pin num="7" name="IO35" type="BiDi"/>
+        <pin num="8" name="IO32" type="BiDi"/>
+        <pin num="9" name="IO33" type="BiDi"/>
+        <pin num="10" name="IO25" type="BiDi"/>
+        <pin num="11" name="IO26" type="BiDi"/>
+        <pin num="12" name="IO27" type="BiDi"/>
+        <pin num="13" name="IO14" type="BiDi"/>
+        <pin num="14" name="IO12" type="BiDi"/>
+        <pin num="15" name="GND" type="power_in"/>
+        <pin num="16" name="IO13" type="BiDi"/>
+        <pin num="17" name="SD2" type="BiDi"/>
+        <pin num="18" name="SD3" type="BiDi"/>
+        <pin num="19" name="CMD" type="BiDi"/>
+        <pin num="20" name="CLK" type="BiDi"/>
+        <pin num="21" name="SDO" type="BiDi"/>
+        <pin num="22" name="SD1" type="BiDi"/>
+        <pin num="23" name="IO15" type="BiDi"/>
+        <pin num="24" name="IO2" type="BiDi"/>
+        <pin num="25" name="IO0" type="BiDi"/>
+        <pin num="26" name="IO4" type="BiDi"/>
+        <pin num="27" name="IO16" type="BiDi"/>
+        <pin num="28" name="IO17" type="BiDi"/>
+        <pin num="29" name="IO5" type="BiDi"/>
+        <pin num="30" name="IO18" type="BiDi"/>
+        <pin num="31" name="IO19" type="BiDi"/>
+        <pin num="32" name="NC" type="NotConnected"/>
+        <pin num="33" name="IO21" type="BiDi"/>
+        <pin num="34" name="RXD0" type="BiDi"/>
+        <pin num="35" name="TXD0" type="BiDi"/>
+        <pin num="36" name="IO22" type="BiDi"/>
+        <pin num="37" name="IO23" type="BiDi"/>
+        <pin num="38" name="GND" type="power_in"/>
+        <pin num="39" name="GND-PAD" type="power_in"/>
+      </pins>
+    </libpart>
+    <libpart lib="JBeyerstedt-Library" part="JTAG_ESP32">
+      <description>Shortened JTAG connector, double row, 02x07</description>
+      <docs>~</docs>
+      <footprints>
+        <fp>Connector*:*_2x07_*</fp>
+      </footprints>
+      <fields>
+        <field name="Reference">J</field>
+        <field name="Value">JTAG_ESP32</field>
+      </fields>
+      <pins>
+        <pin num="1" name="VTref" type="passive"/>
+        <pin num="2" name="NC" type="NotConnected"/>
+        <pin num="3" name="nTRST" type="passive"/>
+        <pin num="4" name="GND" type="passive"/>
+        <pin num="5" name="TDI" type="passive"/>
+        <pin num="6" name="GND" type="passive"/>
+        <pin num="7" name="TMS" type="passive"/>
+        <pin num="8" name="GND" type="passive"/>
+        <pin num="9" name="TCK" type="passive"/>
+        <pin num="10" name="GND" type="passive"/>
+        <pin num="11" name="RTCK" type="passive"/>
+        <pin num="12" name="GND" type="passive"/>
+        <pin num="13" name="TDO" type="passive"/>
+        <pin num="14" name="GND" type="passive"/>
+      </pins>
+    </libpart>
+    <libpart lib="Regulator_Linear" part="TC1262-33">
+      <aliases>
+        <alias>TC1262-25</alias>
+        <alias>TC1262-28</alias>
+        <alias>TC1262-30</alias>
+        <alias>TC1262-50</alias>
+      </aliases>
+      <description>500mA Low Dropout CMOS Voltage Regulator, Fixed Output 3.3V, TO-220/SOT-223/TO-263</description>
+      <docs>http://ww1.microchip.com/downloads/en/DeviceDoc/21373C.pdf</docs>
+      <footprints>
+        <fp>SOT?223*</fp>
+        <fp>TO?220*</fp>
+        <fp>TO?263*</fp>
+      </footprints>
+      <fields>
+        <field name="Reference">U</field>
+        <field name="Value">TC1262-33</field>
+      </fields>
+      <pins>
+        <pin num="1" name="VI" type="power_in"/>
+        <pin num="2" name="GND" type="power_in"/>
+        <pin num="3" name="VO" type="power_out"/>
+      </pins>
+    </libpart>
+    <libpart lib="Sensor_Humidity" part="Si7020-A20">
+      <description>I2C Humidity and Temperature Sensor, DFN-6</description>
+      <docs>https://www.silabs.com/documents/public/data-sheets/Si7020-A20.pdf</docs>
+      <footprints>
+        <fp>DFN*1EP*3x3mm*P1mm*</fp>
+      </footprints>
+      <fields>
+        <field name="Reference">U</field>
+        <field name="Value">Si7020-A20</field>
+        <field name="Footprint">Package_DFN_QFN:DFN-6-1EP_3x3mm_P1mm_EP1.5x2.4mm</field>
+      </fields>
+      <pins>
+        <pin num="1" name="SDA" type="BiDi"/>
+        <pin num="2" name="GND" type="power_in"/>
+        <pin num="3" name="NC" type="NotConnected"/>
+        <pin num="4" name="NC" type="NotConnected"/>
+        <pin num="5" name="VDD" type="power_in"/>
+        <pin num="6" name="SCL" type="input"/>
+        <pin num="7" name="PAD" type="passive"/>
+      </pins>
+    </libpart>
+    <libpart lib="Switch" part="SW_Push">
+      <description>Push button switch, generic, two pins</description>
+      <fields>
+        <field name="Reference">SW</field>
+        <field name="Value">SW_Push</field>
+      </fields>
+      <pins>
+        <pin num="1" name="1" type="passive"/>
+        <pin num="2" name="2" type="passive"/>
+      </pins>
+    </libpart>
+  </libparts>
+  <libraries>
+    <library logical="Connector">
+      <uri>/Library/Application Support/kicad/library/Connector.lib</uri>
+    </library>
+    <library logical="Device">
+      <uri>/Library/Application Support/kicad/library/Device.lib</uri>
+    </library>
+    <library logical="Diode">
+      <uri>/Library/Application Support/kicad/library/Diode.lib</uri>
+    </library>
+    <library logical="JBeyerstedt-Library">
+      <uri>/Users/jannik/JBeyerstedt-Projekte/kicad-eda/JBeyerstedt-Library.lib</uri>
+    </library>
+    <library logical="Regulator_Linear">
+      <uri>/Library/Application Support/kicad/library/Regulator_Linear.lib</uri>
+    </library>
+    <library logical="Sensor_Humidity">
+      <uri>/Library/Application Support/kicad/library/Sensor_Humidity.lib</uri>
+    </library>
+    <library logical="Switch">
+      <uri>/Library/Application Support/kicad/library/Switch.lib</uri>
+    </library>
+  </libraries>
+  <nets>
+    <net code="1" name="VDD">
+      <node ref="D1" pin="1"/>
+      <node ref="U2" pin="5"/>
+      <node ref="C3" pin="1"/>
+      <node ref="C10" pin="1"/>
+      <node ref="U3" pin="3"/>
+      <node ref="U1" pin="2"/>
+      <node ref="C2" pin="1"/>
+      <node ref="C9" pin="1"/>
+      <node ref="C8" pin="1"/>
+      <node ref="C7" pin="1"/>
+      <node ref="C6" pin="1"/>
+      <node ref="C5" pin="1"/>
+      <node ref="J3" pin="1"/>
+      <node ref="J1" pin="1"/>
+      <node ref="R1" pin="1"/>
+      <node ref="J4" pin="1"/>
+      <node ref="R4" pin="1"/>
+      <node ref="R5" pin="1"/>
+    </net>
+    <net code="2" name="Net-(U2-Pad3)">
+      <node ref="U2" pin="3"/>
+    </net>
+    <net code="3" name="Net-(U2-Pad4)">
+      <node ref="U2" pin="4"/>
+    </net>
+    <net code="4" name="Net-(U2-Pad7)">
+      <node ref="U2" pin="7"/>
+    </net>
+    <net code="5" name="Net-(J2-Pad1)">
+      <node ref="J2" pin="1"/>
+    </net>
+    <net code="6" name="Net-(J2-Pad4)">
+      <node ref="J2" pin="4"/>
+    </net>
+    <net code="7" name="Net-(J2-Pad5)">
+      <node ref="J2" pin="5"/>
+    </net>
+    <net code="8" name="GND">
+      <node ref="U2" pin="2"/>
+      <node ref="C1" pin="2"/>
+      <node ref="C3" pin="2"/>
+      <node ref="C2" pin="2"/>
+      <node ref="J2" pin="6"/>
+      <node ref="BT1" pin="2"/>
+      <node ref="R7" pin="2"/>
+      <node ref="U1" pin="1"/>
+      <node ref="C9" pin="2"/>
+      <node ref="J4" pin="3"/>
+      <node ref="U1" pin="38"/>
+      <node ref="C8" pin="2"/>
+      <node ref="R2" pin="1"/>
+      <node ref="U1" pin="15"/>
+      <node ref="C10" pin="2"/>
+      <node ref="C7" pin="2"/>
+      <node ref="U3" pin="2"/>
+      <node ref="R8" pin="2"/>
+      <node ref="C4" pin="2"/>
+      <node ref="C6" pin="2"/>
+      <node ref="C5" pin="2"/>
+      <node ref="J1" pin="10"/>
+      <node ref="J1" pin="11"/>
+      <node ref="J1" pin="12"/>
+      <node ref="J1" pin="14"/>
+      <node ref="J1" pin="4"/>
+      <node ref="J1" pin="6"/>
+      <node ref="J1" pin="8"/>
+      <node ref="J3" pin="2"/>
+    </net>
+    <net code="9" name="Net-(U1-Pad10)">
+      <node ref="U1" pin="10"/>
+    </net>
+    <net code="10" name="Net-(U1-Pad11)">
+      <node ref="U1" pin="11"/>
+    </net>
+    <net code="11" name="Net-(U1-Pad12)">
+      <node ref="U1" pin="12"/>
+    </net>
+    <net code="12" name="Net-(U1-Pad17)">
+      <node ref="U1" pin="17"/>
+    </net>
+    <net code="13" name="Net-(U1-Pad18)">
+      <node ref="U1" pin="18"/>
+    </net>
+    <net code="14" name="Net-(U1-Pad19)">
+      <node ref="U1" pin="19"/>
+    </net>
+    <net code="15" name="Net-(U1-Pad20)">
+      <node ref="U1" pin="20"/>
+    </net>
+    <net code="16" name="Net-(U1-Pad21)">
+      <node ref="U1" pin="21"/>
+    </net>
+    <net code="17" name="Net-(U1-Pad22)">
+      <node ref="U1" pin="22"/>
+    </net>
+    <net code="18" name="Net-(U1-Pad26)">
+      <node ref="U1" pin="26"/>
+    </net>
+    <net code="19" name="Net-(U1-Pad27)">
+      <node ref="U1" pin="27"/>
+    </net>
+    <net code="20" name="Net-(U1-Pad28)">
+      <node ref="U1" pin="28"/>
+    </net>
+    <net code="21" name="Net-(U1-Pad29)">
+      <node ref="U1" pin="29"/>
+    </net>
+    <net code="22" name="Net-(U1-Pad30)">
+      <node ref="U1" pin="30"/>
+    </net>
+    <net code="23" name="Net-(U1-Pad31)">
+      <node ref="U1" pin="31"/>
+    </net>
+    <net code="24" name="Net-(U1-Pad32)">
+      <node ref="U1" pin="32"/>
+    </net>
+    <net code="25" name="Net-(U1-Pad37)">
+      <node ref="U1" pin="37"/>
+    </net>
+    <net code="26" name="Net-(U1-Pad39)">
+      <node ref="U1" pin="39"/>
+    </net>
+    <net code="27" name="BAT_SENS">
+      <node ref="C4" pin="1"/>
+      <node ref="U1" pin="4"/>
+      <node ref="R6" pin="2"/>
+      <node ref="R7" pin="1"/>
+    </net>
+    <net code="28" name="Net-(U1-Pad5)">
+      <node ref="U1" pin="5"/>
+    </net>
+    <net code="29" name="Net-(U1-Pad6)">
+      <node ref="U1" pin="6"/>
+    </net>
+    <net code="30" name="Net-(U1-Pad7)">
+      <node ref="U1" pin="7"/>
+    </net>
+    <net code="31" name="Net-(U1-Pad8)">
+      <node ref="U1" pin="8"/>
+    </net>
+    <net code="32" name="Net-(U1-Pad9)">
+      <node ref="U1" pin="9"/>
+    </net>
+    <net code="33" name="Net-(R2-Pad2)">
+      <node ref="R2" pin="2"/>
+      <node ref="U1" pin="24"/>
+    </net>
+    <net code="34" name="BAT">
+      <node ref="BT1" pin="1"/>
+      <node ref="U3" pin="1"/>
+      <node ref="R6" pin="1"/>
+      <node ref="D1" pin="2"/>
+    </net>
+    <net code="35" name="Net-(J4-Pad2)">
+      <node ref="J4" pin="2"/>
+      <node ref="R3" pin="1"/>
+    </net>
+    <net code="36" name="/TX">
+      <node ref="U1" pin="35"/>
+      <node ref="J2" pin="2"/>
+    </net>
+    <net code="37" name="/RX">
+      <node ref="J2" pin="3"/>
+      <node ref="U1" pin="34"/>
+    </net>
+    <net code="38" name="Net-(C1-Pad1)">
+      <node ref="C1" pin="1"/>
+      <node ref="SW1" pin="2"/>
+      <node ref="U1" pin="3"/>
+      <node ref="R1" pin="2"/>
+      <node ref="J1" pin="3"/>
+    </net>
+    <net code="39" name="Net-(R8-Pad1)">
+      <node ref="SW1" pin="1"/>
+      <node ref="R8" pin="1"/>
+    </net>
+    <net code="40" name="Net-(J1-Pad13)">
+      <node ref="J1" pin="13"/>
+      <node ref="U1" pin="23"/>
+    </net>
+    <net code="41" name="Net-(J1-Pad2)">
+      <node ref="J1" pin="2"/>
+    </net>
+    <net code="42" name="Net-(J1-Pad9)">
+      <node ref="U1" pin="16"/>
+      <node ref="J1" pin="9"/>
+    </net>
+    <net code="43" name="SDA">
+      <node ref="J3" pin="4"/>
+      <node ref="U1" pin="33"/>
+      <node ref="U2" pin="1"/>
+      <node ref="R5" pin="2"/>
+    </net>
+    <net code="44" name="SCL">
+      <node ref="R4" pin="2"/>
+      <node ref="J3" pin="3"/>
+      <node ref="U1" pin="36"/>
+      <node ref="U2" pin="6"/>
+    </net>
+    <net code="45" name="/BOOT">
+      <node ref="R3" pin="2"/>
+      <node ref="U1" pin="25"/>
+    </net>
+    <net code="46" name="Net-(J1-Pad5)">
+      <node ref="U1" pin="14"/>
+      <node ref="J1" pin="5"/>
+    </net>
+    <net code="47" name="Net-(J1-Pad7)">
+      <node ref="U1" pin="13"/>
+      <node ref="J1" pin="7"/>
+    </net>
+  </nets>
+</export>
diff --git a/board-v1/ESP32-Sensor-Layout.png b/board-v1/ESP32-Sensor-Layout.png
deleted file mode 100644
index 89efea2..0000000
Binary files a/board-v1/ESP32-Sensor-Layout.png and /dev/null differ
diff --git a/board-v1/ESP32-Sensor-Schematic.png b/board-v1/ESP32-Sensor-Schematic.png
deleted file mode 100644
index 7d80fe1..0000000
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diff --git a/board-v2/esp32-sensornode-parts.md b/board-v2/esp32-sensornode-parts.md
index 29782a0..4a50d7e 100644
--- a/board-v2/esp32-sensornode-parts.md
+++ b/board-v2/esp32-sensornode-parts.md
@@ -1,29 +1,29 @@
 # ESP32 SensorNode PCB Layout, rev. 2
 
 ## Bill of Materials
-  Type      | Qty |  Value  |    Footprint   
------------ | --- | ------- | ---------------
-Si7021      |   1 | A20-GM1 | DFN-6          
-Switch      |   1 |   -x-   | THT SW_PUSH_6mm
-Resistor    |   2 |     22k | SMD 0805       
-Capacitor   |   1 |   0.01u | SMD 0805       
-Capacitor   |   3 |    0.1u | SMD 0805       
-Capacitor   |   1 |      1u | SMD 0805       
-Capacitor   |   1 |    4.7u | SMD 0805       
-VoltageReg  |   1 |  TC1262 | SOT-223-3      
-Resistor    |   3 |     22k | THT L6.3 P10.16
-Resistor    |   1 |    2.7M | THT L6.3 P10.16
-Resistor    |   1 |      1M | THT L6.3 P10.16
-Resistor    |   1 |     47R | THT L6.3 P10.16
-Capacitor   |   1 |      1n | THT P7.50 Disk 
-Capacitor   |   1 |      1u | THT P2.50 Rect 
-Capacitor   |   1 |    100u | THT P5.00 Elko 
-Capacitor   |   1 |    460u | THT P5.00 Elko 
-Diode       |   1 |  1N540x | THT            
-----        | --  | ----    | ----           
-Bat Holder  |   1 |   18650 | x              
-ESP32       |   1 |   WROOM | x              
-Pin 2x07 M  |   1 |   -x-   | THT P2.54 2x07 
-Pin 1x06 M  |   1 |   -x-   | THT P2.54 2x07 
-Pin 1x04 M  |   1 |   -x-   | THT P2.54 2x07 
-Pin 1x03 M  |   1 |   -x-   | THT P2.54 2x07 
+  Type      | Qty |  Value  |    Footprint    | Notes
+----------- | --- | ------- | --------------- | -----
+Si7021      |   1 | A20-GM1 | DFN-6           | 
+Switch      |   1 |   -x-   | THT SW_PUSH_6mm | 
+Resistor    |   2 |     22k | SMD 0805        | 
+Capacitor   |   1 |   0.01u | SMD 0805        | 
+Capacitor   |   3 |    0.1u | SMD 0805        | 
+Capacitor   |   1 |      1u | SMD 0805        | 
+Capacitor   |   1 |    4.7u | SMD 0805        | 
+VoltageReg  |   1 |  TC1262 | SOT-223-3       | 
+Resistor    |   3 |     22k | THT L6.3 P10.16 | 
+Resistor    |   1 |    2.7M | THT L6.3 P10.16 | 
+Resistor    |   1 |      1M | THT L6.3 P10.16 | 
+Resistor    |   1 |     47R | THT L6.3 P10.16 | 
+Capacitor   |   1 |      1n | THT P7.50 Disk  | 
+Capacitor   |   1 |      1u | THT P2.50 Rect  | not needed !
+Capacitor   |   1 |    100u | THT P5.00 Elko  | probably not needed
+Capacitor   |   1 |    460u | THT P5.00 Elko  | not needed !
+Diode       |   1 |  1N540x | THT             | not needed, using voltage reg.
+----        | --  | ----    | ----            | 
+Bat Holder  |   1 |   18650 | x               | 
+ESP32       |   1 |   WROOM | x               | 
+Pin 2x07 M  |   1 |   -x-   | THT P2.54 2x07  | 
+Pin 1x06 M  |   1 |   -x-   | THT P2.54 2x07  | 
+Pin 1x04 M  |   1 |   -x-   | THT P2.54 2x07  | 
+Pin 1x03 M  |   1 |   -x-   | THT P2.54 2x07  | 
diff --git a/case/esp32-sensornode-case.FCStd b/case/esp32-sensornode-case.FCStd
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index 0000000..92286cd
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diff --git a/case/esp32-sensornode-casebody.stl b/case/esp32-sensornode-casebody.stl
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index 0000000..3511593
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diff --git a/case/esp32-sensornode-casetop.stl b/case/esp32-sensornode-casetop.stl
new file mode 100644
index 0000000..935571f
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