<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="7.5.0">
<drawing>
<board>
<plain>
<wire x1="0" y1="20.574" x2="0" y2="2.286" width="0" layer="20"/>
<wire x1="0" y1="2.286" x2="2.286" y2="0" width="0" layer="20" curve="90"/>
<wire x1="2.286" y1="0" x2="29.464" y2="0" width="0" layer="20"/>
<wire x1="29.464" y1="0" x2="31.75" y2="2.286" width="0" layer="20" curve="90"/>
<wire x1="31.75" y1="2.286" x2="31.75" y2="20.574" width="0" layer="20"/>
<wire x1="31.75" y1="20.574" x2="29.464" y2="22.86" width="0" layer="20" curve="90"/>
<wire x1="29.464" y1="22.86" x2="21.336" y2="22.86" width="0" layer="20"/>
<wire x1="21.336" y1="22.86" x2="19.05" y2="25.146" width="0" layer="20" curve="-90"/>
<wire x1="19.05" y1="25.146" x2="19.05" y2="29.845" width="0" layer="20"/>
<wire x1="19.05" y1="29.845" x2="17.145" y2="31.75" width="0" layer="20" curve="90"/>
<wire x1="17.145" y1="31.75" x2="14.605" y2="31.75" width="0" layer="20"/>
<wire x1="14.605" y1="31.75" x2="12.7" y2="29.845" width="0" layer="20" curve="90"/>
<wire x1="12.7" y1="29.845" x2="12.7" y2="25.146" width="0" layer="20"/>
<wire x1="12.7" y1="25.146" x2="10.414" y2="22.86" width="0" layer="20" curve="-90"/>
<wire x1="10.414" y1="22.86" x2="2.286" y2="22.86" width="0" layer="20"/>
<wire x1="2.286" y1="22.86" x2="0" y2="20.574" width="0" layer="20" curve="90"/>
<hole x="2.8575" y="20.0025" drill="3.2"/>
<hole x="28.8925" y="20.0025" drill="3.2"/>
<hole x="2.8575" y="2.8575" drill="3.2"/>
<hole x="28.8925" y="2.8575" drill="3.2"/>
<text>VIN</text>
<text>VIN</text>
<text>CANH</text>
<text>CANL</text>
<text>CANL</text>
<text>CANH</text>
<text>GND</text>
<text>GND</text>
<text>Status</text>
<text>Error</text>
<text>CAN</text>
</plain>
<libraries>
<library name="SparkFun-Passives">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
In this library you'll find resistors, capacitors, inductors, test points, jumper pads, etc.&lt;br&gt;&lt;br&gt;
We've spent an enormous amount of time creating and checking these footprints and parts, but it is the end user's responsibility to ensure correctness and suitablity for a given componet or application. If you enjoy using this library, please buy one of our products at www.sparkfun.com.
&lt;br&gt;&lt;br&gt;
&lt;b&gt;Licensing:&lt;/b&gt; Creative Commons ShareAlike 4.0 International - https://creativecommons.org/licenses/by-sa/4.0/ 
&lt;br&gt;&lt;br&gt;
You are welcome to use this library for commercial purposes. For attribution, we ask that when you begin to sell your device using our footprint, you email us with a link to the product being sold. We want bragging rights that we helped (in a very small part) to create your 8th world wonder. We would like the opportunity to feature your device on our homepage.</description>
<packages>
<package name="0805">
</package>
<package name="NRG4026">
</package>
<package name="0402-CAP">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;&lt;p&gt;
chip</description>
</package>
</packages>
</library>
<library name="SparkFun-DiscreteSemi">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
In this library you'll find discrete semiconductors- transistors, diodes, TRIACs, optoisolators, etc.&lt;br&gt;&lt;br&gt;
We've spent an enormous amount of time creating and checking these footprints and parts, but it is the end user's responsibility to ensure correctness and suitablity for a given componet or application. If you enjoy using this library, please buy one of our products at www.sparkfun.com.
&lt;br&gt;&lt;br&gt;
&lt;b&gt;Licensing:&lt;/b&gt; Creative Commons ShareAlike 4.0 International - https://creativecommons.org/licenses/by-sa/4.0/ 
&lt;br&gt;&lt;br&gt;
You are welcome to use this library for commercial purposes. For attribution, we ask that when you begin to sell your device using our footprint, you email us with a link to the product being sold. We want bragging rights that we helped (in a very small part) to create your 8th world wonder. We would like the opportunity to feature your device on our homepage.</description>
<packages>
<package name="SOD-323">
</package>
<package name="SOT23-3">
</package>
</packages>
</library>
<library name="SparkFun-Aesthetics">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
In this library you'll find non-functional items- supply symbols, logos, notations, frame blocks, etc.&lt;br&gt;&lt;br&gt;
We've spent an enormous amount of time creating and checking these footprints and parts, but it is the end user's responsibility to ensure correctness and suitablity for a given componet or application. If you enjoy using this library, please buy one of our products at www.sparkfun.com.
&lt;br&gt;&lt;br&gt;
&lt;b&gt;Licensing:&lt;/b&gt; Creative Commons ShareAlike 4.0 International - https://creativecommons.org/licenses/by-sa/4.0/ 
&lt;br&gt;&lt;br&gt;
You are welcome to use this library for commercial purposes. For attribution, we ask that when you begin to sell your device using our footprint, you email us with a link to the product being sold. We want bragging rights that we helped (in a very small part) to create your 8th world wonder. We would like the opportunity to feature your device on our homepage.</description>
<packages>
<package name="DUMMY">
<description>NOTHING HERE!!! For when you want a symbol with no package as an option against symbols with a package.</description>
</package>
</packages>
</library>
<library name="SparkFun-Resistors">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
In this library you'll find resistors, capacitors, inductors, test points, jumper pads, etc.&lt;br&gt;&lt;br&gt;
We've spent an enormous amount of time creating and checking these footprints and parts, but it is the end user's responsibility to ensure correctness and suitablity for a given componet or application. If you enjoy using this library, please buy one of our products at www.sparkfun.com.
&lt;br&gt;&lt;br&gt;
&lt;b&gt;Licensing:&lt;/b&gt; Creative Commons ShareAlike 4.0 International - https://creativecommons.org/licenses/by-sa/4.0/ 
&lt;br&gt;&lt;br&gt;
You are welcome to use this library for commercial purposes. For attribution, we ask that when you begin to sell your device using our footprint, you email us with a link to the product being sold. We want bragging rights that we helped (in a very small part) to create your 8th world wonder. We would like the opportunity to feature your device on our homepage.</description>
<packages>
<package name="0402-RES">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;&lt;p&gt;
chip</description>
</package>
</packages>
</library>
<library name="Protofusion">
<packages>
<package name="LQFP32">
</package>
<package name="SOIC8">
<description>SOIC8 package type.</description>
</package>
<package name="SOT23-6">
</package>
<package name="POGOPROG-CONN-4-ALLSMT">
</package>
<package name="ABM8G">
</package>
</packages>
</library>
<library name="BME280ComponentLibrary">
<packages>
<package name="BME280_LGA">
</package>
</packages>
</library>
<library name="SparkFun-LED">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
In this library you'll find discrete LEDs for illumination or indication, but no displays.&lt;br&gt;&lt;br&gt;
We've spent an enormous amount of time creating and checking these footprints and parts, but it is the end user's responsibility to ensure correctness and suitablity for a given componet or application. If you enjoy using this library, please buy one of our products at www.sparkfun.com.
&lt;br&gt;&lt;br&gt;
&lt;b&gt;Licensing:&lt;/b&gt; Creative Commons ShareAlike 4.0 International - https://creativecommons.org/licenses/by-sa/4.0/ 
&lt;br&gt;&lt;br&gt;
You are welcome to use this library for commercial purposes. For attribution, we ask that when you begin to sell your device using our footprint, you email us with a link to the product being sold. We want bragging rights that we helped (in a very small part) to create your 8th world wonder. We would like the opportunity to feature your device on our homepage.</description>
<packages>
<package name="LED-0603">
</package>
</packages>
</library>
<library name="SLAT-CON-JST-ZH">
<packages>
<package name="ZH-H-4-1">
</package>
</packages>
</library>
<library name="Protofusion-logos">
<packages>
<package name="HYDROBOT-LOGO">
</package>
<package name="BYPROTOFUSION-LOGO">
</package>
<package name="AIRTEMP">
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="C6" library="SparkFun-Passives" package="0402-CAP" value="100nF"/>
<element name="C5" library="SparkFun-Passives" package="0805" value="4.7uF"/>
<element name="C7" library="SparkFun-Passives" package="0805" value="10uF"/>
<element name="D5" library="SparkFun-DiscreteSemi" package="SOD-323" value="">
<attribute name="PROD_ID" value="DIO-11623"/>
</element>
<element name="FRAME1" library="SparkFun-Aesthetics" package="DUMMY" value="FRAME-LETTERNO_PACKAGE">
<attribute name="DESIGNER" value="Nobody"/>
<attribute name="VERSION" value="v01"/>
</element>
<element name="L1" library="SparkFun-Passives" package="NRG4026" value="15uH"/>
<element name="R5" library="SparkFun-Resistors" package="0402-RES" value="31.6K"/>
<element name="R6" library="SparkFun-Resistors" package="0402-RES" value="10K"/>
<element name="U1" library="Protofusion" package="LQFP32" value="STM32F042K-T"/>
<element name="U2" library="BME280ComponentLibrary" package="BME280_LGA" value="BME280">
<attribute name="PROD_ID" value="IC-13090"/>
</element>
<element name="C1" library="SparkFun-Passives" package="0402-CAP" value="0.1uF"/>
<element name="C3" library="SparkFun-Passives" package="0402-CAP" value="0.1uF"/>
<element name="C9" library="SparkFun-Passives" package="0402-CAP" value="0.1uF"/>
<element name="D1" library="SparkFun-LED" package="LED-0603" value="Green"/>
<element name="D2" library="SparkFun-LED" package="LED-0603" value="Blue"/>
<element name="D3" library="SparkFun-LED" package="LED-0603" value="Red"/>
<element name="R1" library="SparkFun-Resistors" package="0402-RES" value="?"/>
<element name="R2" library="SparkFun-Resistors" package="0402-RES" value="?"/>
<element name="R3" library="SparkFun-Resistors" package="0402-RES" value="?"/>
<element name="C11" library="SparkFun-Passives" package="0402-CAP" value="0.1uF"/>
<element name="J2" library="SLAT-CON-JST-ZH" package="ZH-H-4-1" value="ZH-H-4-1"/>
<element name="J1" library="SLAT-CON-JST-ZH" package="ZH-H-4-1" value="ZH-H-4-1"/>
<element name="C10" library="SparkFun-Passives" package="0402-CAP" value="0.1uF"/>
<element name="U12" library="Protofusion" package="SOIC8" value="SN65HVD234"/>
<element name="U11" library="Protofusion" package="SOT23-6" value="MCP16301"/>
<element name="D6" library="SparkFun-DiscreteSemi" package="SOD-323" value="">
<attribute name="PROD_ID" value="DIO-11623"/>
</element>
<element name="C8" library="SparkFun-Passives" package="0805" value="10uF"/>
<element name="J3" library="Protofusion" package="POGOPROG-CONN-4-ALLSMT" value=""/>
<element name="Y1" library="Protofusion" package="ABM8G" value="12MHz"/>
<element name="C4" library="SparkFun-Passives" package="0402-CAP" value="9pF"/>
<element name="C2" library="SparkFun-Passives" package="0402-CAP" value="9pF"/>
<element name="Q1" library="SparkFun-DiscreteSemi" package="SOT23-3" value="">
<attribute name="PROD_ID" value="TRANS-08285"/>
</element>
<element name="R4" library="SparkFun-Resistors" package="0402-RES" value="100k"/>
<element name="D4" library="SparkFun-DiscreteSemi" package="SOD-323" value="8V">
<attribute name="PROD_ID" value="DIO-12442"/>
</element>
<element name="U$1" library="Protofusion-logos" package="HYDROBOT-LOGO" value=""/>
<element name="U$3" library="Protofusion-logos" package="BYPROTOFUSION-LOGO" value=""/>
<element name="U$5" library="Protofusion-logos" package="AIRTEMP" value=""/>
</elements>
<signals>
<signal name="3.3V">
<contactref element="U1" pad="1"/>
<contactref element="C1" pad="1"/>
<contactref element="C3" pad="1"/>
<contactref element="U1" pad="5"/>
<contactref element="C9" pad="1"/>
<contactref element="U1" pad="17"/>
<contactref element="U2" pad="P$8"/>
<contactref element="U2" pad="P$6"/>
<contactref element="C11" pad="2"/>
<contactref element="C10" pad="1"/>
<contactref element="U12" pad="PIN3"/>
<contactref element="U12" pad="PIN5"/>
<contactref element="L1" pad="2"/>
<contactref element="D6" pad="A"/>
<contactref element="C8" pad="1"/>
<contactref element="C7" pad="2"/>
<contactref element="R5" pad="2"/>
<contactref element="J3" pad="1"/>
</signal>
<signal name="GND">
<contactref element="U2" pad="P$7"/>
<contactref element="U1" pad="16"/>
<contactref element="U1" pad="32"/>
<contactref element="C1" pad="2"/>
<contactref element="C3" pad="2"/>
<contactref element="C9" pad="2"/>
<contactref element="D1" pad="C"/>
<contactref element="D2" pad="C"/>
<contactref element="D3" pad="C"/>
<contactref element="U1" pad="31"/>
<contactref element="C11" pad="1"/>
<contactref element="J2" pad="1"/>
<contactref element="J1" pad="1"/>
<contactref element="C10" pad="2"/>
<contactref element="U2" pad="P$1"/>
<contactref element="U12" pad="PIN2"/>
<contactref element="U12" pad="PIN8"/>
<contactref element="C5" pad="2"/>
<contactref element="U11" pad="2"/>
<contactref element="D5" pad="A"/>
<contactref element="R6" pad="2"/>
<contactref element="C7" pad="1"/>
<contactref element="C8" pad="2"/>
<contactref element="J3" pad="2"/>
<contactref element="C2" pad="1"/>
<contactref element="C4" pad="2"/>
<contactref element="Y1" pad="2"/>
<contactref element="Y1" pad="4"/>
<contactref element="R4" pad="1"/>
</signal>
<signal name="CAN_H">
<contactref element="J2" pad="3"/>
<contactref element="J1" pad="3"/>
<contactref element="U12" pad="PIN7"/>
</signal>
<signal name="CAN_L">
<contactref element="J2" pad="2"/>
<contactref element="J1" pad="2"/>
<contactref element="U12" pad="PIN6"/>
</signal>
<signal name="N$1">
<contactref element="R5" pad="1"/>
<contactref element="R6" pad="1"/>
<contactref element="U11" pad="3"/>
</signal>
<signal name="N$3">
<contactref element="L1" pad="1"/>
<contactref element="C6" pad="2"/>
<contactref element="D5" pad="C"/>
<contactref element="U11" pad="6"/>
</signal>
<signal name="N$2">
<contactref element="C6" pad="1"/>
<contactref element="U11" pad="1"/>
<contactref element="D6" pad="C"/>
</signal>
<signal name="LED1">
<contactref element="R1" pad="1"/>
<contactref element="U1" pad="20"/>
</signal>
<signal name="N$12">
<contactref element="D1" pad="A"/>
<contactref element="R1" pad="2"/>
</signal>
<signal name="N$13">
<contactref element="R2" pad="2"/>
<contactref element="D2" pad="A"/>
</signal>
<signal name="LED2">
<contactref element="R2" pad="1"/>
<contactref element="U1" pad="19"/>
</signal>
<signal name="LED3">
<contactref element="R3" pad="1"/>
<contactref element="U1" pad="18"/>
</signal>
<signal name="N$16">
<contactref element="R3" pad="2"/>
<contactref element="D3" pad="A"/>
</signal>
<signal name="SDI">
<contactref element="U2" pad="P$3"/>
<contactref element="U1" pad="28"/>
</signal>
<signal name="SCK">
<contactref element="U2" pad="P$4"/>
<contactref element="U1" pad="26"/>
</signal>
<signal name="SDO">
<contactref element="U2" pad="P$5"/>
<contactref element="U1" pad="27"/>
</signal>
<signal name="!CS">
<contactref element="U2" pad="P$2"/>
<contactref element="U1" pad="25"/>
</signal>
<signal name="CAN_TX">
<contactref element="U1" pad="22"/>
<contactref element="U12" pad="PIN1"/>
</signal>
<signal name="CAN_RX">
<contactref element="U1" pad="21"/>
<contactref element="U12" pad="PIN4"/>
</signal>
<signal name="OSC_IN">
<contactref element="U1" pad="2"/>
<contactref element="Y1" pad="1"/>
<contactref element="C2" pad="2"/>
</signal>
<signal name="OSC_OUT">
<contactref element="U1" pad="3"/>
<contactref element="Y1" pad="3"/>
<contactref element="C4" pad="1"/>
</signal>
<signal name="SWCLK">
<contactref element="J3" pad="3"/>
<contactref element="U1" pad="24"/>
</signal>
<signal name="SWDIO">
<contactref element="J3" pad="4"/>
<contactref element="U1" pad="23"/>
</signal>
<signal name="VIN">
<contactref element="J1" pad="4"/>
<contactref element="J2" pad="4"/>
<contactref element="Q1" pad="3"/>
</signal>
<signal name="N$5">
<contactref element="C5" pad="1"/>
<contactref element="U11" pad="5"/>
<contactref element="U11" pad="4"/>
<contactref element="Q1" pad="2"/>
<contactref element="D4" pad="C"/>
</signal>
<signal name="N$7">
<contactref element="R4" pad="2"/>
<contactref element="Q1" pad="1"/>
<contactref element="D4" pad="A"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
