<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="7.5.0">
<drawing>
<board>
<plain>
<wire x1="6.223" y1="0" x2="79.9973" y2="0" width="0" layer="20"/>
<wire x1="79.9973" y1="0" x2="79.9973" y2="31.75" width="0" layer="20"/>
<wire x1="79.9973" y1="31.75" x2="67.8434" y2="31.75" width="0" layer="20"/>
<wire x1="67.8434" y1="31.75" x2="67.8434" y2="23.749" width="0" layer="20"/>
<wire x1="67.8434" y1="23.749" x2="67.5894" y2="23.495" width="0" layer="20"/>
<wire x1="67.5894" y1="23.495" x2="66.5734" y2="23.495" width="0" layer="20"/>
<wire x1="66.5734" y1="23.495" x2="66.5734" y2="29.21" width="0" layer="20"/>
<wire x1="66.5734" y1="29.21" x2="64.4144" y2="29.21" width="0" layer="20"/>
<wire x1="64.4144" y1="29.21" x2="64.4144" y2="31.75" width="0" layer="20"/>
<wire x1="64.4144" y1="31.75" x2="61.1124" y2="31.75" width="0" layer="20"/>
<wire x1="61.1124" y1="31.75" x2="61.1124" y2="30.48" width="0" layer="20"/>
<wire x1="61.1124" y1="30.48" x2="58.9534" y2="30.48" width="0" layer="20"/>
<wire x1="58.9534" y1="30.48" x2="58.9534" y2="28.702" width="0" layer="20"/>
<wire x1="58.9534" y1="28.702" x2="61.2394" y2="28.702" width="0" layer="20"/>
<wire x1="61.2394" y1="28.702" x2="61.2394" y2="27.94" width="0" layer="20"/>
<wire x1="61.2394" y1="27.94" x2="58.9534" y2="27.94" width="0" layer="20"/>
<wire x1="58.9534" y1="27.94" x2="58.9534" y2="26.162" width="0" layer="20"/>
<wire x1="58.9534" y1="26.162" x2="60.7314" y2="26.162" width="0" layer="20"/>
<wire x1="60.7314" y1="26.162" x2="60.7314" y2="22.8346" width="0" layer="20"/>
<wire x1="60.7314" y1="22.8346" x2="56.0959" y2="22.8346" width="0" layer="20"/>
<wire x1="56.0959" y1="22.8346" x2="56.0959" y2="31.75" width="0" layer="20"/>
<wire x1="56.0959" y1="31.75" x2="6.223" y2="31.75" width="0" layer="20"/>
<wire x1="6.223" y1="31.75" x2="6.223" y2="0" width="0" layer="20"/>
<text>A5V</text>
<text>NEG</text>
<text>DAC</text>
<text>VREF</text>
<text>V+</text>
<text>V-</text>
<text>5V</text>
<text>ENCODER</text>
<text>G  B  PB  5</text>
<text>EA EB  R GND</text>
<text>-9V +9V</text>
<text>+5V</text>
<text>NEG</text>
<text>DAC</text>
<text>Vref</text>
<text>A5V</text>
<text>Open Hardware</text>
<text>Barbouri 2016
C.Schnarel 2014</text>
<text>Programable
Voltage
Reference</text>
<text>Ver 2.13</text>
<wire x1="50.7746" y1="24.0792" x2="52.3367" y2="24.0792" width="0.254" layer="20"/>
<wire x1="52.3367" y1="24.0792" x2="52.3367" y2="11.2776" width="0.254" layer="20"/>
<wire x1="52.3367" y1="11.2776" x2="50.7746" y2="11.2776" width="0.254" layer="20"/>
<wire x1="50.7746" y1="11.2776" x2="50.7746" y2="24.0792" width="0.254" layer="20"/>
<text>CUTOUT</text>
<text>+</text>
<text>GND R  EB EA</text>
<text>5  PB  B  G</text>
<text>Teensy 3.2</text>
<text>Vishay
foil divider</text>
<text>+</text>
<text>GND</text>
<text>GND</text>
<text>500</text>
<text>RV1</text>
<text>7</text>
<text>A3 A2 A1</text>
<text>A11 A10</text>
<text>REF</text>
<text>VUSB</text>
<text>7</text>
<text>A1 A2 A3</text>
<text>A10 A11</text>
<text>REF</text>
<text>VUSB</text>
<text>SCL SDA GND +5 </text>
<text>Open Hardware</text>
<text>A7 A6</text>
<text>A6 A7</text>
<text>Out .001 V
to 4.095 V</text>
</plain>
<libraries>
<library name="SparkFun">
<packages>
<package name="SOT23-5">
<description>&lt;b&gt;Small Outline Transistor&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="ChipsParts">
<packages>
<package name="0805-POL">
</package>
<package name="SOT-23-5">
<description>As defined in TI datasheet for OPA365.</description>
</package>
<package name="SOIC-8-MINUSPINS">
</package>
<package name="SOT-23-8">
</package>
<package name="BBD-VIA">
</package>
<package name="0805">
<description>Copied from SparkFun-Resistor.lbr.</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="0805">
</package>
<package name="1/6W-RES">
<description>1/6W Thru-hole Resistor - *UNPROVEN*</description>
</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="1X01">
</package>
<package name="2X4">
</package>
<package name="1X04_LOCK">
</package>
</packages>
</library>
<library name="SparkFun-Capacitors">
<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; CC v3.0 Share-Alike 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="0603-CAP">
</package>
<package name="0805">
</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; CC v3.0 Share-Alike 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>
</packages>
</library>
<library name="adafruit">
<packages>
<package name="C0402K">
<description>&lt;b&gt;Ceramic Chip Capacitor KEMET 0204 Reflow solder&lt;/b&gt;&lt;p&gt;
Metric Code Size 1005</description>
</package>
</packages>
</library>
<library name="wirepad">
<description>&lt;b&gt;Single Pads&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="2,54/1,1">
<description>&lt;b&gt;THROUGH-HOLE PAD&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="holes">
<description>&lt;b&gt;Mounting Holes and Pads&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="3,2">
<description>&lt;b&gt;MOUNTING HOLE&lt;/b&gt; 3.2 mm with drill center</description>
</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; CC v3.0 Share-Alike 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="OSHW-LOGO-M_COPPER">
</package>
<package name="OSHW-LOGO-M">
</package>
</packages>
</library>
<library name="Teensy_3_and_LC_Series_Boards_v1.1">
<packages>
<package name="TEENSY3-ALL_PINS">
</package>
</packages>
</library>
<library name="SparkFun-Electromechanical">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
In this library you'll find anything that moves- switches, relays, buttons, potentiometers. Also, anything that goes on a board but isn't electrical in nature- screws, standoffs, 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="3362U">
</package>
</packages>
</library>
<library name="texas">
<description>&lt;b&gt;Texas Instruments Devices&lt;/b&gt;&lt;p&gt;
 &lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="SO-16DW">
<description>&lt;b&gt;DW (RPDSO-G16)&lt;/b&gt;&lt;p&gt;
Source: http://focus.ti.com/lit/ds/symlink/iso1176.pdf</description>
</package>
</packages>
</library>
<library name="linear">
<description>&lt;b&gt;Linear Devices&lt;/b&gt;&lt;p&gt;
Operational amplifiers,  comparators, voltage regulators, ADCs, DACs, etc.&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="SOT23">
<description>&lt;b&gt;SMALL OUTLINE TRANSISTOR&lt;/b&gt;&lt;p&gt;
reflow soldering</description>
</package>
</packages>
</library>
<library name="LTC_By_element14_Batch_1">
<description>Developed by element14 :&lt;br&gt;
element14 CAD Library consolidation.ulp
at 30/07/2012 10:08:22</description>
<packages>
<package name="SOIC127P600X175-8N">
</package>
</packages>
</library>
<library name="solpad">
<description>&lt;b&gt;Solder Pads/Test Points&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="LSP11">
<description>&lt;b&gt;SOLDER PAD&lt;/b&gt;&lt;p&gt;
drill 1.1 mm</description>
</package>
</packages>
</library>
<library name="semicon-smd-ipc">
<description>&lt;b&gt;IPC Standard SMD Semiconductors&lt;/b&gt;&lt;p&gt;
A few devices defined according to the IPC standard.&lt;p&gt;
Based on:&lt;p&gt;
IPC-SM-782&lt;br&gt;
IRevision A, August 1993&lt;br&gt;
Includes Amendment 1, October 1996&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="SOT23C">
<description>&lt;b&gt;SMALL OUTLINE TRANSISTOR&lt;/b&gt;</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="U1" library="SparkFun" package="SOT23-5" value="MIC1755">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R2" library="SparkFun-Resistors" package="0805" value="10R">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C3" library="ChipsParts" package="0805-POL" value="10uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C6" library="ChipsParts" package="0805-POL" value="10uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C15" library="SparkFun-Capacitors" package="0805" value="0.1uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R15" library="SparkFun-Resistors" package="0805" value="3.9k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C14" library="SparkFun-Capacitors" package="0805" value="10uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C16" library="SparkFun-Capacitors" package="0805" value="10uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="D2" library="SparkFun-DiscreteSemi" package="SOD-323" value="RB751">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="D1" library="SparkFun-DiscreteSemi" package="SOD-323" value="RB751">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C12" library="SparkFun-Capacitors" package="0805" value="0.1uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="U2" library="ChipsParts" package="SOIC-8-MINUSPINS" value="REF5040ID">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C4" library="SparkFun-Capacitors" package="0805" value="22uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C5" library="ChipsParts" package="0805-POL" value="10uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C9" library="ChipsParts" package="0805-POL" value="10uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C8" library="SparkFun-Capacitors" package="0805" value="10uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="U5" library="ChipsParts" package="SOT-23-8" value="AD5060BRJZ">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="TP1" library="ChipsParts" package="BBD-VIA" value="TEST_POINT"/>
<element name="TP2" library="ChipsParts" package="BBD-VIA" value="TEST_POINT"/>
<element name="TP3" library="ChipsParts" package="BBD-VIA" value="TEST_POINT"/>
<element name="TP4" library="ChipsParts" package="BBD-VIA" value="TEST_POINT"/>
<element name="JP3" library="SparkFun-Connectors" package="1X01" value="M01PTH"/>
<element name="JP4" library="SparkFun-Connectors" package="1X01" value="M01PTH"/>
<element name="C11" library="SparkFun-Capacitors" package="0805" value="22uF">
<attribute name="ESR" value="1-1.5ohms"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="TP5" library="ChipsParts" package="BBD-VIA" value="TEST_POINT"/>
<element name="L1" library="ChipsParts" package="0805" value="2.2u">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C1" library="ChipsParts" package="0805-POL" value="10uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C17" library="SparkFun-Capacitors" package="0805" value="1nF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C10" library="adafruit" package="C0402K" value="0.1uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="PAD1" library="wirepad" package="2,54/1,1" value="+9V">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="PAD2" library="wirepad" package="2,54/1,1" value="-9V">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C18" library="SparkFun-Capacitors" package="0603-CAP" value="10uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="H1" library="holes" package="3,2" value="MOUNT-HOLE3.2"/>
<element name="H2" library="holes" package="3,2" value="MOUNT-HOLE3.2"/>
<element name="U$1" library="SparkFun-Aesthetics" package="OSHW-LOGO-M_COPPER" value=""/>
<element name="U$2" library="SparkFun-Aesthetics" package="OSHW-LOGO-M_COPPER" value=""/>
<element name="U$3" library="Teensy_3_and_LC_Series_Boards_v1.1" package="TEENSY3-ALL_PINS" value="TEENSY_3.2 ">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R1" library="SparkFun-Resistors" package="0805" value="11K">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R3" library="SparkFun-Resistors" package="0805" value="4.7K">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R4" library="SparkFun-Resistors" package="0805" value="499K">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="RV1" library="SparkFun-Electromechanical" package="3362U" value="500"/>
<element name="IC1" library="texas" package="SO-16DW" value="MAX14931">
<attribute name="OC_NEWARK" value="73M3155"/>
<attribute name="OC_FARNELL" value="1575372"/>
<attribute name="MF" value=""/>
<attribute name="MPN" value="ISO7241CDW"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="U3" library="ChipsParts" package="SOT-23-5" value="OPA365">
<attribute name="VALUE"/>
<attribute name="NAME"/>
</element>
<element name="C2" library="SparkFun-Capacitors" package="0805" value="0.1uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="U4" library="ChipsParts" package="SOIC-8-MINUSPINS" value="REF5020ID">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C7" library="SparkFun-Capacitors" package="0805" value="0.1uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C13" library="SparkFun-Capacitors" package="0603-CAP" value="10uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="IC2" library="linear" package="SOT23" value="25k-25K">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="J1" library="SparkFun-Connectors" package="2X4" value="Encoder">
<attribute name="NAME"/>
</element>
<element name="R5" library="SparkFun-Resistors" package="0805" value="330">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R6" library="SparkFun-Resistors" package="0805" value="180">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R7" library="SparkFun-Resistors" package="0805" value="180">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="J2" library="SparkFun-Connectors" package="1X04_LOCK" value="Display">
<attribute name="PROD_ID" value="CONN-09696"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="U7" library="LTC_By_element14_Batch_1" package="SOIC127P600X175-8N" value="LTC1152">
<attribute name="OC_FARNELL" value="1627425"/>
<attribute name="SUPPLIER" value="Linear Technology"/>
<attribute name="PACKAGE" value="SOIC-8"/>
<attribute name="MPN" value="LTC1152"/>
<attribute name="OC_NEWARK" value="56M4574"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="TP6" library="ChipsParts" package="BBD-VIA" value="TEST_POINT"/>
<element name="TP7" library="ChipsParts" package="BBD-VIA" value="TEST_POINT"/>
<element name="TP8" library="ChipsParts" package="BBD-VIA" value="TEST_POINT"/>
<element name="TP10" library="ChipsParts" package="BBD-VIA" value="TEST_POINT"/>
<element name="TP11" library="ChipsParts" package="BBD-VIA" value="TEST_POINT"/>
<element name="TP12" library="ChipsParts" package="BBD-VIA" value="TEST_POINT"/>
<element name="TP13" library="ChipsParts" package="BBD-VIA" value="TEST_POINT"/>
<element name="TP14" library="ChipsParts" package="BBD-VIA" value="TEST_POINT"/>
<element name="SHLD1" library="solpad" package="LSP11" value="SHLD1">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="SHLD2" library="solpad" package="LSP11" value="SHLD2">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C19" library="SparkFun-Capacitors" package="0805" value="0.1uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C20" library="SparkFun-Capacitors" package="0805" value="0.1uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="TP15" library="ChipsParts" package="BBD-VIA" value="TXO">
<attribute name="TEENSY" value="TXO"/>
</element>
<element name="TP16" library="ChipsParts" package="BBD-VIA" value="RXI">
<attribute name="TEENSY" value="RXI"/>
</element>
<element name="LOGO1" library="SparkFun-Aesthetics" package="OSHW-LOGO-M" value="OSHW-LOGOM"/>
<element name="TP17" library="ChipsParts" package="BBD-VIA" value="TEST_POINT"/>
<element name="TP18" library="ChipsParts" package="BBD-VIA" value="TEST_POINT"/>
<element name="D3" library="semicon-smd-ipc" package="SOT23C" value="MMBZ6V8ALT1G">
<attribute name="NAME"/>
</element>
<element name="R8" library="SparkFun-Resistors" package="1/6W-RES" value="4.7K">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R9" library="SparkFun-Resistors" package="1/6W-RES" value="4.7K">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
</elements>
<signals>
<signal name="GND">
<contactref element="C9" pad="2"/>
<contactref element="C4" pad="1"/>
<contactref element="U1" pad="2"/>
<contactref element="C5" pad="2"/>
<contactref element="U5" pad="6"/>
<contactref element="U5" pad="5"/>
<contactref element="C3" pad="2"/>
<contactref element="C6" pad="2"/>
<contactref element="C8" pad="2"/>
<contactref element="C15" pad="2"/>
<contactref element="C16" pad="2"/>
<contactref element="D1" pad="1"/>
<contactref element="C12" pad="2"/>
<contactref element="U2" pad="4"/>
<contactref element="JP4" pad="1"/>
<contactref element="C11" pad="2"/>
<contactref element="C1" pad="2"/>
<contactref element="C17" pad="1"/>
<contactref element="C10" pad="2"/>
<contactref element="PAD2" pad="1"/>
<contactref element="C18" pad="2"/>
<contactref element="U$3" pad="GND"/>
<contactref element="R3" pad="1"/>
<contactref element="IC1" pad="8"/>
<contactref element="IC1" pad="2"/>
<contactref element="IC1" pad="9"/>
<contactref element="IC1" pad="15"/>
<contactref element="U3" pad="2"/>
<contactref element="C2" pad="2"/>
<contactref element="U$3" pad="GND1"/>
<contactref element="U$3" pad="AGND"/>
<contactref element="U4" pad="4"/>
<contactref element="C13" pad="2"/>
<contactref element="C7" pad="1"/>
<contactref element="IC2" pad="2"/>
<contactref element="J1" pad="7"/>
<contactref element="J2" pad="2"/>
<contactref element="U7" pad="4"/>
<contactref element="TP6" pad="P$1"/>
<contactref element="SHLD2" pad="MP"/>
<contactref element="SHLD1" pad="MP"/>
<contactref element="C19" pad="1"/>
<contactref element="C20" pad="2"/>
<contactref element="D3" pad="3"/>
</signal>
<signal name="AREF">
<contactref element="C4" pad="2"/>
<contactref element="U$3" pad="AREF"/>
<contactref element="U4" pad="6"/>
</signal>
<signal name="SCK">
<contactref element="U$3" pad="13"/>
<contactref element="IC1" pad="3"/>
</signal>
<signal name="MISO">
<contactref element="U$3" pad="12"/>
<contactref element="IC1" pad="6"/>
</signal>
<signal name="MOSI">
<contactref element="IC1" pad="5"/>
<contactref element="U$3" pad="11"/>
</signal>
<signal name="TXO">
<contactref element="U$3" pad="1"/>
<contactref element="TP15" pad="P$1"/>
</signal>
<signal name="VCC">
<contactref element="L1" pad="1"/>
<contactref element="C1" pad="1"/>
<contactref element="U$3" pad="VIN"/>
<contactref element="U4" pad="2"/>
<contactref element="C7" pad="2"/>
<contactref element="J1" pad="8"/>
<contactref element="J2" pad="1"/>
<contactref element="C19" pad="2"/>
<contactref element="U1" pad="5"/>
<contactref element="C9" pad="1"/>
<contactref element="TP5" pad="P$1"/>
<contactref element="R8" pad="2"/>
<contactref element="R9" pad="2"/>
</signal>
<signal name="RAW">
<contactref element="U1" pad="1"/>
<contactref element="C5" pad="1"/>
<contactref element="U1" pad="3"/>
<contactref element="PAD1" pad="1"/>
</signal>
<signal name="RXI">
<contactref element="U$3" pad="0"/>
<contactref element="TP16" pad="P$1"/>
</signal>
<signal name="VREF">
<contactref element="U2" pad="6"/>
<contactref element="U5" pad="3"/>
<contactref element="TP2" pad="P$1"/>
<contactref element="C11" pad="1"/>
<contactref element="R1" pad="1"/>
</signal>
<signal name="A5V">
<contactref element="C15" pad="1"/>
<contactref element="C6" pad="1"/>
<contactref element="R2" pad="1"/>
<contactref element="U2" pad="2"/>
<contactref element="C8" pad="1"/>
<contactref element="C12" pad="1"/>
<contactref element="U5" pad="2"/>
<contactref element="TP1" pad="P$1"/>
<contactref element="C10" pad="1"/>
<contactref element="IC1" pad="16"/>
<contactref element="IC1" pad="10"/>
<contactref element="U3" pad="5"/>
<contactref element="C2" pad="1"/>
<contactref element="U7" pad="7"/>
</signal>
<signal name="ADCIN">
<contactref element="C16" pad="1"/>
<contactref element="D2" pad="2"/>
<contactref element="R15" pad="2"/>
<contactref element="TP4" pad="P$1"/>
<contactref element="C20" pad="1"/>
</signal>
<signal name="N$16">
<contactref element="D2" pad="1"/>
<contactref element="C14" pad="2"/>
<contactref element="D1" pad="2"/>
</signal>
<signal name="N$12">
<contactref element="U5" pad="4"/>
<contactref element="TP3" pad="P$1"/>
<contactref element="U7" pad="3"/>
</signal>
<signal name="D9">
<contactref element="C14" pad="1"/>
<contactref element="U$3" pad="9"/>
</signal>
<signal name="DACSS">
<contactref element="U5" pad="7"/>
<contactref element="IC1" pad="13"/>
</signal>
<signal name="N$26">
<contactref element="R2" pad="2"/>
<contactref element="C3" pad="1"/>
<contactref element="L1" pad="2"/>
</signal>
<signal name="N$14">
<contactref element="U2" pad="5"/>
<contactref element="C18" pad="1"/>
<contactref element="R4" pad="1"/>
</signal>
<signal name="N$1">
<contactref element="R1" pad="2"/>
<contactref element="RV1" pad="P$3"/>
</signal>
<signal name="N$2">
<contactref element="RV1" pad="P$1"/>
<contactref element="R3" pad="2"/>
</signal>
<signal name="N$3">
<contactref element="R4" pad="2"/>
<contactref element="RV1" pad="P$2"/>
</signal>
<signal name="CS">
<contactref element="IC1" pad="4"/>
<contactref element="U$3" pad="10"/>
</signal>
<signal name="SCKA">
<contactref element="U5" pad="8"/>
<contactref element="IC1" pad="14"/>
</signal>
<signal name="MOSIA">
<contactref element="U5" pad="1"/>
<contactref element="IC1" pad="12"/>
</signal>
<signal name="MISOA">
<contactref element="IC1" pad="11"/>
</signal>
<signal name="OUTS">
<contactref element="U3" pad="1"/>
<contactref element="U3" pad="4"/>
<contactref element="IC2" pad="1"/>
</signal>
<signal name="N$4">
<contactref element="U4" pad="5"/>
<contactref element="C13" pad="1"/>
</signal>
<signal name="OUT2">
<contactref element="U$3" pad="14/A0"/>
<contactref element="IC2" pad="3"/>
</signal>
<signal name="3.3V">
<contactref element="U$3" pad="3.3V"/>
<contactref element="U$3" pad="3.3V1"/>
<contactref element="IC1" pad="1"/>
<contactref element="IC1" pad="7"/>
</signal>
<signal name="LED-R">
<contactref element="J1" pad="5"/>
<contactref element="R5" pad="2"/>
</signal>
<signal name="LED-G">
<contactref element="J1" pad="2"/>
<contactref element="R6" pad="2"/>
</signal>
<signal name="LED-B">
<contactref element="J1" pad="4"/>
<contactref element="R7" pad="2"/>
</signal>
<signal name="N$5">
<contactref element="U$3" pad="4"/>
<contactref element="R5" pad="1"/>
</signal>
<signal name="N$7">
<contactref element="U$3" pad="5"/>
<contactref element="R6" pad="1"/>
</signal>
<signal name="N$8">
<contactref element="U$3" pad="6"/>
<contactref element="R7" pad="1"/>
</signal>
<signal name="N$10">
<contactref element="U$3" pad="3"/>
<contactref element="J1" pad="1"/>
</signal>
<signal name="N$11">
<contactref element="U$3" pad="2"/>
<contactref element="J1" pad="3"/>
</signal>
<signal name="SDA">
<contactref element="U$3" pad="18/A4"/>
<contactref element="J2" pad="3"/>
<contactref element="R9" pad="1"/>
</signal>
<signal name="SCL">
<contactref element="U$3" pad="19/A5"/>
<contactref element="J2" pad="4"/>
<contactref element="R8" pad="1"/>
</signal>
<signal name="D8">
<contactref element="U$3" pad="8"/>
<contactref element="J1" pad="6"/>
</signal>
<signal name="N$15">
<contactref element="TP7" pad="P$1"/>
<contactref element="U$3" pad="A10"/>
</signal>
<signal name="N$17">
<contactref element="TP8" pad="P$1"/>
<contactref element="U$3" pad="A11"/>
</signal>
<signal name="N$19">
<contactref element="U$3" pad="7"/>
<contactref element="TP10" pad="P$1"/>
</signal>
<signal name="N$21">
<contactref element="U$3" pad="15/A1"/>
<contactref element="TP12" pad="P$1"/>
</signal>
<signal name="VBAT">
<contactref element="U$3" pad="VBAT"/>
</signal>
<signal name="N$20">
<contactref element="TP11" pad="P$1"/>
<contactref element="U$3" pad="VUSB"/>
</signal>
<signal name="N$22">
<contactref element="U$3" pad="16/A2"/>
<contactref element="TP13" pad="P$1"/>
</signal>
<signal name="N$23">
<contactref element="U$3" pad="17/A3"/>
<contactref element="TP14" pad="P$1"/>
</signal>
<signal name="N$24">
<contactref element="U$3" pad="21/A7"/>
<contactref element="TP18" pad="P$1"/>
</signal>
<signal name="N$25">
<contactref element="U$3" pad="20/A6"/>
<contactref element="TP17" pad="P$1"/>
</signal>
<signal name="N$6">
<contactref element="R15" pad="1"/>
<contactref element="JP3" pad="1"/>
<contactref element="C17" pad="2"/>
<contactref element="U3" pad="3"/>
<contactref element="U7" pad="2"/>
<contactref element="U7" pad="6"/>
<contactref element="D3" pad="2"/>
<contactref element="D3" pad="1"/>
</signal>
<signal name="N$9">
</signal>
<signal name="N$13">
</signal>
</signals>
</board>
</drawing>
</eagle>
