<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="7.2.0">
<drawing>
<board>
<plain>
<text>RST</text>
<text>0x000000</text>
<text>SW0</text>
<text>SW1</text>
<text>X</text>
<text>Y</text>
</plain>
<libraries>
<library name="stepOSP">
<packages>
<package name="MINI_SENSOR_MOUNT">
</package>
<package name="MOLEX_5031821853">
</package>
<package name="W3009_ANT">
</package>
<package name="RXM_GPS_RM_B">
</package>
<package name="STEPS_LOGO">
</package>
<package name="BNO055">
</package>
<package name="STEPS_CRYSTAL__32P768_2X1P2">
</package>
<package name="0603">
</package>
<package name="0603_LED">
</package>
<package name="SWITCH_RA_SMT">
</package>
<package name="BATTERY_12MM_PTH">
</package>
<package name="PH_CON_4">
</package>
<package name="SO-08">
<description>&lt;B&gt;Small Outline Narrow Plastic Gull Wing&lt;/B&gt;&lt;p&gt;
150-mil body, package type SN</description>
</package>
</packages>
</library>
<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="PAD-JUMPER-2-NO_YES_SILK">
<description>Small solder jumper with no paste layer so it will open after reflow.</description>
</package>
<package name="PAD-JUMPER-2-NC_BY_TRACE_YES_SILK">
<description>Solder jumper, small, shorted with trace. No paste layer. Trace is cuttable.</description>
</package>
<package name="PAD-JUMPER-3-2OF3_NC_BY_TRACE_YES_SILK_FULL_BOX">
</package>
</packages>
</library>
<library name="SparkFun-Sensors">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
In this library you'll find sensors- accelerometers, gyros, compasses, magnetometers, light sensors, imagers, temp sensors, 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="BMP180">
</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="CREATIVE_COMMONS">
</package>
<package name="OSHW-LOGO-M">
</package>
</packages>
</library>
<library name="SparkFun-Connectors">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
In this library you'll find connectors and sockets- basically anything that can be plugged into or onto.&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="1X03">
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="U$1" library="stepOSP" package="MINI_SENSOR_MOUNT" value="MINI_SENSOR_MOUNT"/>
<element name="U$2" library="stepOSP" package="MOLEX_5031821853" value="MOLEX_503182_1853"/>
<element name="U$4" library="stepOSP" package="W3009_ANT" value="W3009_ANT"/>
<element name="U$8" library="stepOSP" package="RXM_GPS_RM_B" value="RXM_GPS"/>
<element name="U$5" library="stepOSP" package="STEPS_LOGO" value="STEPS_LOGO"/>
<element name="SJ1" library="SparkFun-Passives" package="PAD-JUMPER-2-NO_YES_SILK" value="JUMPER-PAD-2-NOYES_SILK">
<attribute name="NAME"/>
</element>
<element name="SJ2" library="SparkFun-Passives" package="PAD-JUMPER-2-NO_YES_SILK" value="JUMPER-PAD-2-NOYES_SILK">
<attribute name="NAME"/>
</element>
<element name="SJ3" library="SparkFun-Passives" package="PAD-JUMPER-2-NC_BY_TRACE_YES_SILK" value="JUMPER-PAD-2-NC_BY_TRACE">
<attribute name="NAME"/>
</element>
<element name="SJ4" library="SparkFun-Passives" package="PAD-JUMPER-2-NC_BY_TRACE_YES_SILK" value="JUMPER-PAD-2-NC_BY_TRACE">
<attribute name="NAME"/>
</element>
<element name="U$3" library="stepOSP" package="BNO055" value="BNO055"/>
<element name="X1" library="stepOSP" package="STEPS_CRYSTAL__32P768_2X1P2" value="STEPS_CRYSTAL_32P768_2X1.2">
<attribute name="NAME"/>
</element>
<element name="C1A" library="stepOSP" package="0603" value="">
<attribute name="NAME"/>
</element>
<element name="C3" library="stepOSP" package="0603" value="6.8nF">
<attribute name="NAME"/>
</element>
<element name="C4" library="stepOSP" package="0603" value="0.1uF">
<attribute name="NAME"/>
</element>
<element name="C5" library="stepOSP" package="0603" value="6.8pF">
<attribute name="NAME"/>
</element>
<element name="C6" library="stepOSP" package="0603" value="6.8pF">
<attribute name="NAME"/>
</element>
<element name="C7" library="stepOSP" package="0603" value="">
<attribute name="NAME"/>
</element>
<element name="R1" library="stepOSP" package="0603" value="10k">
<attribute name="NAME"/>
</element>
<element name="R2" library="stepOSP" package="0603" value="3.3k">
<attribute name="NAME"/>
</element>
<element name="R3" library="stepOSP" package="0603" value="3.3k">
<attribute name="NAME"/>
</element>
<element name="C1" library="stepOSP" package="0603" value="0.1uF">
<attribute name="NAME"/>
</element>
<element name="C8" library="stepOSP" package="0603" value="0.1uF">
<attribute name="NAME"/>
</element>
<element name="R5" library="stepOSP" package="0603" value="700">
<attribute name="NAME"/>
</element>
<element name="D1" library="stepOSP" package="0603_LED" value="0603_LED">
<attribute name="NAME"/>
</element>
<element name="U$6" library="stepOSP" package="SWITCH_RA_SMT" value="SMT_RA_DPST_EVQP7J01P"/>
<element name="U$7" library="stepOSP" package="SWITCH_RA_SMT" value="SMT_RA_DPST_EVQP7J01P"/>
<element name="R6" library="stepOSP" package="0603" value="10k">
<attribute name="NAME"/>
</element>
<element name="R7" library="stepOSP" package="0603" value="10k">
<attribute name="NAME"/>
</element>
<element name="R8" library="stepOSP" package="0603" value="10k">
<attribute name="NAME"/>
</element>
<element name="R4" library="stepOSP" package="0603" value="">
<attribute name="NAME"/>
</element>
<element name="R9" library="stepOSP" package="0603" value="100k">
<attribute name="NAME"/>
</element>
<element name="C2" library="stepOSP" package="0603" value="120nF">
<attribute name="NAME"/>
</element>
<element name="U$9" library="stepOSP" package="BATTERY_12MM_PTH" value="BATTERY_12MM_PTH"/>
<element name="U1" library="SparkFun-Sensors" package="BMP180" value="BMP180">
<attribute name="NAME"/>
</element>
<element name="C9" library="stepOSP" package="0603" value="">
<attribute name="NAME"/>
</element>
<element name="C10" library="stepOSP" package="0603" value="">
<attribute name="NAME"/>
</element>
<element name="J2" library="stepOSP" package="PH_CON_4" value="JST_PH_4">
<attribute name="NAME"/>
</element>
<element name="SJ5" library="SparkFun-Passives" package="PAD-JUMPER-2-NO_YES_SILK" value="JUMPER-PAD-2-NOYES_SILK">
<attribute name="NAME"/>
</element>
<element name="SJ6" library="SparkFun-Passives" package="PAD-JUMPER-2-NO_YES_SILK" value="JUMPER-PAD-2-NOYES_SILK">
<attribute name="NAME"/>
</element>
<element name="R10" library="stepOSP" package="0603" value="3.3k">
<attribute name="NAME"/>
</element>
<element name="R11" library="stepOSP" package="0603" value="3.3k">
<attribute name="NAME"/>
</element>
<element name="FRAME1" library="SparkFun-Aesthetics" package="CREATIVE_COMMONS" value="FRAME-LEDGER"/>
<element name="U5" library="stepOSP" package="SO-08" value="HIH9131">
<attribute name="NAME"/>
</element>
<element name="C11" library="stepOSP" package="0603" value="0.22uF"/>
<element name="C12" library="stepOSP" package="0603" value="0.1uF">
<attribute name="NAME"/>
</element>
<element name="U2" library="stepOSP" package="SO-08" value="DS3231M"/>
<element name="C13" library="stepOSP" package="0603" value="0.1uF">
<attribute name="NAME"/>
</element>
<element name="J1" library="SparkFun-Connectors" package="1X03" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C14" library="stepOSP" package="0603" value="0.1uF">
<attribute name="NAME"/>
</element>
<element name="R12" library="stepOSP" package="0603" value="10k">
<attribute name="NAME"/>
</element>
<element name="R13" library="stepOSP" package="0603" value="10k">
<attribute name="NAME"/>
</element>
<element name="SJ7" library="SparkFun-Passives" package="PAD-JUMPER-3-2OF3_NC_BY_TRACE_YES_SILK_FULL_BOX" value="JUMPER-PAD-3-2OF3_NC_BY_TRACE">
<attribute name="NAME"/>
</element>
<element name="LOGO1" library="SparkFun-Aesthetics" package="OSHW-LOGO-M" value="OSHW-LOGOM"/>
</elements>
<signals>
<signal name="GND">
<contactref element="U$4" pad="GND1"/>
<contactref element="U$4" pad="GND2"/>
<contactref element="U$8" pad="18"/>
<contactref element="U$8" pad="20"/>
<contactref element="U$8" pad="22"/>
<contactref element="U$8" pad="21"/>
<contactref element="U$2" pad="G1"/>
<contactref element="U$2" pad="G3"/>
<contactref element="U$2" pad="G4"/>
<contactref element="U$2" pad="G5"/>
<contactref element="U$2" pad="G2"/>
<contactref element="C4" pad="P$2"/>
<contactref element="C7" pad="P$2"/>
<contactref element="U$3" pad="5"/>
<contactref element="U$3" pad="6"/>
<contactref element="U$3" pad="2"/>
<contactref element="U$3" pad="10"/>
<contactref element="U$3" pad="15"/>
<contactref element="U$3" pad="16"/>
<contactref element="U$3" pad="18"/>
<contactref element="C3" pad="P$2"/>
<contactref element="C1A" pad="P$2"/>
<contactref element="C6" pad="P$2"/>
<contactref element="C5" pad="P$2"/>
<contactref element="C1" pad="P$2"/>
<contactref element="C8" pad="P$2"/>
<contactref element="U$1" pad="29"/>
<contactref element="U$1" pad="6"/>
<contactref element="U$1" pad="7"/>
<contactref element="R9" pad="P$1"/>
<contactref element="U$3" pad="25"/>
<contactref element="C2" pad="P$2"/>
<contactref element="U$9" pad="GND"/>
<contactref element="U1" pad="7"/>
<contactref element="C9" pad="P$2"/>
<contactref element="C10" pad="P$2"/>
<contactref element="J2" pad="P$1"/>
<contactref element="C11" pad="P$2"/>
<contactref element="C12" pad="P$2"/>
<contactref element="U5" pad="2"/>
<contactref element="U2" pad="5"/>
<contactref element="C13" pad="P$2"/>
<contactref element="J1" pad="1"/>
<contactref element="C14" pad="P$2"/>
</signal>
<signal name="N$1">
<contactref element="U$4" pad="FEED"/>
<contactref element="U$8" pad="19"/>
<contactref element="C14" pad="P$1"/>
</signal>
<signal name="VBAT">
<contactref element="U$8" pad="11"/>
<contactref element="U$9" pad="VCC@2"/>
</signal>
<signal name="GPS_ENABLE">
<contactref element="U$8" pad="10"/>
<contactref element="U$1" pad="17"/>
</signal>
<signal name="GPS_TX">
<contactref element="U$8" pad="4"/>
<contactref element="SJ1" pad="2"/>
<contactref element="SJ4" pad="2"/>
</signal>
<signal name="GPS_RX">
<contactref element="U$8" pad="5"/>
<contactref element="SJ2" pad="2"/>
<contactref element="SJ3" pad="2"/>
</signal>
<signal name="3.3V">
<contactref element="U$8" pad="12"/>
<contactref element="U$3" pad="28"/>
<contactref element="U$3" pad="3"/>
<contactref element="C7" pad="P$1"/>
<contactref element="R1" pad="P$2"/>
<contactref element="C8" pad="P$1"/>
<contactref element="U$2" pad="4"/>
<contactref element="C1" pad="P$1"/>
<contactref element="D1" pad="P$1"/>
<contactref element="R6" pad="P$2"/>
<contactref element="R7" pad="P$2"/>
<contactref element="R8" pad="P$2"/>
<contactref element="R3" pad="P$2"/>
<contactref element="R2" pad="P$2"/>
<contactref element="U$1" pad="4"/>
<contactref element="R4" pad="P$2"/>
<contactref element="C2" pad="P$1"/>
<contactref element="C3" pad="P$1"/>
<contactref element="U1" pad="3"/>
<contactref element="U1" pad="2"/>
<contactref element="C9" pad="P$1"/>
<contactref element="C10" pad="P$1"/>
<contactref element="J2" pad="P$4"/>
<contactref element="R11" pad="P$2"/>
<contactref element="R10" pad="P$2"/>
<contactref element="U5" pad="8"/>
<contactref element="C11" pad="P$1"/>
<contactref element="U2" pad="2"/>
<contactref element="C13" pad="P$1"/>
<contactref element="J1" pad="3"/>
<contactref element="R12" pad="P$2"/>
<contactref element="R13" pad="P$2"/>
</signal>
<signal name="GPS_PWR_ST">
<contactref element="U$8" pad="9"/>
<contactref element="U$1" pad="18"/>
</signal>
<signal name="N$4">
<contactref element="U$1" pad="20"/>
<contactref element="SJ1" pad="1"/>
</signal>
<signal name="N$5">
<contactref element="U$1" pad="19"/>
<contactref element="SJ2" pad="1"/>
</signal>
<signal name="N$2">
<contactref element="U$1" pad="16"/>
<contactref element="SJ3" pad="1"/>
</signal>
<signal name="N$3">
<contactref element="U$1" pad="15"/>
<contactref element="SJ4" pad="1"/>
</signal>
<signal name="CS">
<contactref element="U$1" pad="23"/>
<contactref element="U$2" pad="2"/>
</signal>
<signal name="MOSI">
<contactref element="U$1" pad="26"/>
<contactref element="U$2" pad="3"/>
</signal>
<signal name="MISO">
<contactref element="U$1" pad="27"/>
<contactref element="U$2" pad="7"/>
</signal>
<signal name="SCLK">
<contactref element="U$1" pad="28"/>
<contactref element="U$2" pad="5"/>
</signal>
<signal name="SDA">
<contactref element="U$3" pad="20"/>
<contactref element="R3" pad="P$1"/>
<contactref element="U$1" pad="13"/>
<contactref element="U1" pad="6"/>
<contactref element="SJ6" pad="2"/>
<contactref element="U5" pad="4"/>
<contactref element="U2" pad="7"/>
</signal>
<signal name="SCL">
<contactref element="U$3" pad="19"/>
<contactref element="R2" pad="P$1"/>
<contactref element="U$1" pad="14"/>
<contactref element="U1" pad="5"/>
<contactref element="SJ5" pad="2"/>
<contactref element="U5" pad="3"/>
<contactref element="U2" pad="8"/>
</signal>
<signal name="N$8">
<contactref element="U$3" pad="9"/>
<contactref element="C4" pad="P$1"/>
</signal>
<signal name="N$9">
<contactref element="U$3" pad="4"/>
<contactref element="R1" pad="P$1"/>
</signal>
<signal name="XI">
<contactref element="X1" pad="2"/>
<contactref element="C6" pad="P$1"/>
<contactref element="U$3" pad="27"/>
</signal>
<signal name="XO">
<contactref element="X1" pad="1"/>
<contactref element="C5" pad="P$1"/>
<contactref element="U$3" pad="26"/>
</signal>
<signal name="INT">
<contactref element="U$3" pad="14"/>
<contactref element="U$1" pad="12"/>
</signal>
<signal name="N$7">
<contactref element="D1" pad="P$2"/>
<contactref element="R5" pad="P$2"/>
</signal>
<signal name="N$12">
<contactref element="U$2" pad="DETECT0"/>
<contactref element="R6" pad="P$1"/>
</signal>
<signal name="DETECT1">
<contactref element="U$2" pad="DETECT1"/>
<contactref element="U$1" pad="25"/>
</signal>
<signal name="N$13">
<contactref element="R7" pad="P$1"/>
<contactref element="U$7" pad="2B"/>
</signal>
<signal name="N$15">
<contactref element="R8" pad="P$1"/>
<contactref element="U$6" pad="2A"/>
</signal>
<signal name="LED0">
<contactref element="U$1" pad="21"/>
<contactref element="R5" pad="P$1"/>
</signal>
<signal name="SW1">
<contactref element="U$6" pad="1B"/>
<contactref element="U$1" pad="24"/>
</signal>
<signal name="SW0">
<contactref element="U$7" pad="1A"/>
<contactref element="U$1" pad="22"/>
</signal>
<signal name="N$10">
<contactref element="U$3" pad="17"/>
<contactref element="R9" pad="P$2"/>
</signal>
<signal name="SCL2">
<contactref element="U$1" pad="32"/>
<contactref element="J2" pad="P$3"/>
<contactref element="SJ5" pad="1"/>
<contactref element="R10" pad="P$1"/>
</signal>
<signal name="SDA2">
<contactref element="U$1" pad="31"/>
<contactref element="J2" pad="P$2"/>
<contactref element="SJ6" pad="1"/>
<contactref element="R11" pad="P$1"/>
</signal>
<signal name="N$11">
<contactref element="U5" pad="1"/>
<contactref element="C12" pad="P$1"/>
</signal>
<signal name="VBAT_RTCC">
<contactref element="U$9" pad="VCC@1"/>
<contactref element="U2" pad="6"/>
</signal>
<signal name="RTC_32K">
<contactref element="U2" pad="1"/>
<contactref element="U$1" pad="11"/>
<contactref element="R12" pad="P$1"/>
<contactref element="SJ7" pad="1"/>
</signal>
<signal name="RTC_INT">
<contactref element="U2" pad="3"/>
<contactref element="R13" pad="P$1"/>
<contactref element="U$1" pad="10"/>
<contactref element="SJ7" pad="3"/>
</signal>
<signal name="RTC_RST">
<contactref element="U2" pad="4"/>
<contactref element="U$1" pad="9"/>
</signal>
<signal name="IMU_RST">
<contactref element="R4" pad="P$1"/>
<contactref element="C1A" pad="P$1"/>
<contactref element="U$3" pad="11"/>
</signal>
<signal name="N$6">
<contactref element="J1" pad="2"/>
<contactref element="SJ7" pad="2"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
