<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="7.2.0">
<drawing>
<board>
<plain>
<wire x1="0" y1="0" x2="0" y2="88.5" width="0" layer="20"/>
<wire x1="8" y1="96" x2="50" y2="96" width="0" layer="20"/>
<wire x1="8" y1="96" x2="8" y2="92.5" width="0.008" layer="20"/>
<wire x1="50" y1="0" x2="50" y2="96" width="0.008" layer="20"/>
<wire x1="0" y1="88.5" x2="4" y2="88.5" width="0.008" layer="20"/>
<wire x1="4" y1="88.5" x2="8" y2="92.5" width="0.008" layer="20" curve="90"/>
<hole x="10.5" y="81.25" drill="3.5"/>
<hole x="47" y="81.25" drill="3.5"/>
<hole x="46.5" y="3.75" drill="3.5"/>
<hole x="10.5" y="3.75" drill="3.5"/>
<wire x1="0" y1="0" x2="50" y2="0" width="0.008" layer="20"/>
</plain>
<libraries>
<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="1X06_SMD_MALE">
</package>
<package name="2X3_SMD_SPI">
</package>
<package name="USB-MICROB-FCI2">
</package>
</packages>
</library>
<library name="SparkFun-DigitalIC">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
In this library you'll find all manner of digital ICs- microcontrollers, memory chips, logic chips, FPGAs, 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="TQFP32-08">
<description>&lt;B&gt;Thin Plasic Quad Flat Package&lt;/B&gt; Grid 0.8 mm</description>
</package>
<package name="PSOP-8-FRAM">
</package>
</packages>
</library>
<library name="allegro">
<description>&lt;b&gt;Allegro MicroSystems, Inc&lt;/b&gt;&lt;p&gt;
www.allegromicro.com&lt;br&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="SOT23-W">
<description>&lt;b&gt;3-pin SOT23W&lt;/b&gt; LH&lt;p&gt;
Source: http://www.allegromicro.com/en/Products/Packaging/pkgso2.pdf</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="EIA3216-KIT">
<description>&lt;h3&gt;EIA3216-KIT&lt;/h3&gt;
&lt;b&gt;Warning:&lt;/b&gt; This is the KIT version of this package. This package has longer pads to make hand soldering easier.&lt;br&gt;</description>
</package>
<package name="1206">
</package>
</packages>
</library>
<library name="MyLibrary">
<description>Schematic component for TPA511GLFS multi-direction switch.</description>
<packages>
<package name="OTHER-GULLWING-5">
<description>Non-standard package for Gull Wings</description>
</package>
<package name="DASHPOT-OUTLINE">
</package>
</packages>
</library>
<library name="SparkFun-FreqCtrl">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
In this library you'll find crystals and oscillators and other things that go "tick".&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="RESONATOR-WIDE-SMD">
</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-PowerIC">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
In this library you'll find drivers, regulators, and amplifiers.&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="SOT23-5">
<description>&lt;b&gt;Small Outline Transistor&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="SparkFun">
<packages>
<package name="SOT23-5">
<description>&lt;b&gt;Small Outline Transistor&lt;/b&gt;</description>
</package>
<package name="JST-2-SMD">
<description>2mm SMD side-entry connector. tDocu layer indicates the actual physical plastic housing. +/- indicate SparkFun standard batteries and wiring.</description>
</package>
</packages>
</library>
<library name="adafruit">
<packages>
<package name="1X30-0.7MM">
</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-1206">
</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-123-LRG_PADS">
<description>SOD-123F - Dimensions from suggested pad layout in Diodes Inc. datasheet.</description>
</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="SWITCH-SPDT-PCM12SMTR">
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="U2" library="SparkFun-DigitalIC" package="TQFP32-08" value="ATMEGA328P_TQFP">
<attribute name="PROD_ID" value="IC-09069"/>
<attribute name="NAME"/>
</element>
<element name="IC1" library="allegro" package="SOT23-W" value="A1301LH">
<attribute name="OC_NEWARK" value="31K6634"/>
<attribute name="MPN" value="A1301ELHLT-T"/>
<attribute name="MF" value="ALLEGRO MICROSYSTEMS, INC."/>
<attribute name="OC_FARNELL" value="1198084"/>
<attribute name="NAME"/>
</element>
<element name="IC2" library="allegro" package="SOT23-W" value="A1301LH">
<attribute name="OC_NEWARK" value="31K6634"/>
<attribute name="MPN" value="A1301ELHLT-T"/>
<attribute name="MF" value="ALLEGRO MICROSYSTEMS, INC."/>
<attribute name="OC_FARNELL" value="1198084"/>
<attribute name="NAME"/>
</element>
<element name="IC3" library="allegro" package="SOT23-W" value="A1301LH">
<attribute name="OC_NEWARK" value="31K6634"/>
<attribute name="MPN" value="A1301ELHLT-T"/>
<attribute name="MF" value="ALLEGRO MICROSYSTEMS, INC."/>
<attribute name="OC_FARNELL" value="1198084"/>
<attribute name="NAME"/>
</element>
<element name="C1" library="SparkFun-Passives" package="EIA3216-KIT" value="10uF">
<attribute name="NAME"/>
</element>
<element name="C3" library="SparkFun-Passives" package="EIA3216-KIT" value="10uF">
<attribute name="NAME"/>
</element>
<element name="C4" library="SparkFun-Passives" package="1206" value="0.1uF">
<attribute name="NAME"/>
</element>
<element name="S1" library="MyLibrary" package="OTHER-GULLWING-5" value="TPA511GLFS">
<attribute name="NAME"/>
</element>
<element name="C2" library="SparkFun-Passives" package="1206" value="0.1uF">
<attribute name="NAME"/>
</element>
<element name="U$1" library="SparkFun-FreqCtrl" package="RESONATOR-WIDE-SMD" value="RESONATOR-WIDE"/>
<element name="FRAME1" library="SparkFun-Aesthetics" package="DUMMY" value="">
<attribute name="VERSION" value="v01"/>
<attribute name="DESIGNER" value="Aaron Brooks"/>
</element>
<element name="U1" library="SparkFun-PowerIC" package="SOT23-5" value="">
<attribute name="PROD_ID" value="VREG-00822"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="U4" library="SparkFun" package="SOT23-5" value="MCP73831">
<attribute name="NAME"/>
</element>
<element name="JP7" library="SparkFun" package="JST-2-SMD" value="LiPo Battery">
<attribute name="NAME"/>
</element>
<element name="U$3" library="adafruit" package="1X30-0.7MM" value="UG-2864HSWEG01"/>
<element name="IC4" library="allegro" package="SOT23-W" value="A1301LH">
<attribute name="OC_NEWARK" value="31K6634"/>
<attribute name="MPN" value="A1301ELHLT-T"/>
<attribute name="MF" value="ALLEGRO MICROSYSTEMS, INC."/>
<attribute name="OC_FARNELL" value="1198084"/>
<attribute name="NAME"/>
</element>
<element name="C5" library="SparkFun-Passives" package="1206" value="1.0uF">
<attribute name="NAME"/>
</element>
<element name="C6" library="SparkFun-Passives" package="1206" value="1.0uF">
<attribute name="NAME"/>
</element>
<element name="C10" library="SparkFun-Passives" package="1206" value="1.0uF">
<attribute name="NAME"/>
</element>
<element name="C8" library="SparkFun-Passives" package="1206" value="1.0uF">
<attribute name="NAME"/>
</element>
<element name="C7" library="SparkFun-Passives" package="1206" value="10uF">
<attribute name="NAME"/>
</element>
<element name="C9" library="SparkFun-Passives" package="1206" value="2.2uF">
<attribute name="NAME"/>
</element>
<element name="C11" library="SparkFun-Passives" package="1206" value="4.7uF">
<attribute name="NAME"/>
</element>
<element name="C12" library="SparkFun-Passives" package="1206" value="4.7uF">
<attribute name="NAME"/>
</element>
<element name="R1" library="SparkFun-Passives" package="1206" value="10K">
<attribute name="NAME"/>
</element>
<element name="R2" library="SparkFun-Passives" package="1206" value="10K">
<attribute name="NAME"/>
</element>
<element name="R3" library="SparkFun-Passives" package="1206" value="10K">
<attribute name="NAME"/>
</element>
<element name="R4" library="SparkFun-Passives" package="1206" value="10K">
<attribute name="NAME"/>
</element>
<element name="R5" library="SparkFun-Passives" package="1206" value="10K">
<attribute name="NAME"/>
</element>
<element name="R6" library="SparkFun-Passives" package="1206" value="10K">
<attribute name="NAME"/>
</element>
<element name="R7" library="SparkFun-Passives" package="1206" value="330">
<attribute name="NAME"/>
</element>
<element name="R10" library="SparkFun-Passives" package="1206" value="2K">
<attribute name="NAME"/>
</element>
<element name="R8" library="SparkFun-Passives" package="1206" value="390K">
<attribute name="NAME"/>
</element>
<element name="R9" library="SparkFun-Passives" package="1206" value="10K">
<attribute name="NAME"/>
</element>
<element name="R11" library="SparkFun-Passives" package="1206" value="10K">
<attribute name="NAME"/>
</element>
<element name="D2" library="SparkFun-LED" package="LED-1206" value="RED">
<attribute name="PROD_ID" value="DIO-00809"/>
<attribute name="NAME"/>
</element>
<element name="D3" library="SparkFun-LED" package="LED-1206" value="RED">
<attribute name="PROD_ID" value="DIO-00809"/>
<attribute name="NAME"/>
</element>
<element name="D1" library="SparkFun-DiscreteSemi" package="SOD-123-LRG_PADS" value="N4148">
<attribute name="NAME"/>
</element>
<element name="JP2" library="SparkFun-Connectors" package="1X06_SMD_MALE" value="FTDI">
<attribute name="PROD_ID" value="CONN-11293"/>
<attribute name="NAME"/>
</element>
<element name="U3" library="SparkFun-DigitalIC" package="PSOP-8-FRAM" value="SPI_FRAM">
<attribute name="NAME"/>
</element>
<element name="R12" library="SparkFun-Passives" package="1206" value="10K">
<attribute name="NAME"/>
</element>
<element name="C13" library="SparkFun-Passives" package="1206" value="10uF">
<attribute name="NAME"/>
</element>
<element name="J1" library="SparkFun-Connectors" package="2X3_SMD_SPI" value="2X3_SMD_SPI">
<attribute name="NAME"/>
</element>
<element name="J2" library="SparkFun-Connectors" package="USB-MICROB-FCI2" value="USB-MICROB-FCI">
<attribute name="NAME"/>
</element>
<element name="S2" library="SparkFun-Electromechanical" package="SWITCH-SPDT-PCM12SMTR" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="U$4" library="MyLibrary" package="DASHPOT-OUTLINE" value=""/>
</elements>
<signals>
<signal name="VCC">
<contactref element="U2" pad="4"/>
<contactref element="U2" pad="18"/>
<contactref element="IC1" pad="1"/>
<contactref element="IC2" pad="1"/>
<contactref element="IC3" pad="1"/>
<contactref element="U2" pad="6"/>
<contactref element="S1" pad="2-GND"/>
<contactref element="S1" pad="1-GND"/>
<contactref element="U$3" pad="6"/>
<contactref element="U$3" pad="9"/>
<contactref element="U$3" pad="11"/>
<contactref element="IC4" pad="1"/>
<contactref element="C10" pad="2"/>
<contactref element="C8" pad="2"/>
<contactref element="R1" pad="2"/>
<contactref element="R9" pad="1"/>
<contactref element="C4" pad="1"/>
<contactref element="U1" pad="5"/>
<contactref element="C3" pad="A"/>
<contactref element="R11" pad="2"/>
<contactref element="JP2" pad="4"/>
<contactref element="U3" pad="8"/>
<contactref element="R12" pad="2"/>
<contactref element="C13" pad="1"/>
</signal>
<signal name="GND">
<contactref element="U2" pad="3"/>
<contactref element="U2" pad="5"/>
<contactref element="IC1" pad="3"/>
<contactref element="IC2" pad="3"/>
<contactref element="IC3" pad="3"/>
<contactref element="C1" pad="C"/>
<contactref element="C4" pad="2"/>
<contactref element="C3" pad="C"/>
<contactref element="U1" pad="2"/>
<contactref element="U4" pad="2"/>
<contactref element="JP7" pad="1"/>
<contactref element="U$3" pad="10"/>
<contactref element="U$3" pad="12"/>
<contactref element="U$3" pad="1"/>
<contactref element="U$3" pad="30"/>
<contactref element="U$3" pad="29"/>
<contactref element="U$3" pad="8"/>
<contactref element="IC4" pad="3"/>
<contactref element="C10" pad="1"/>
<contactref element="C8" pad="1"/>
<contactref element="C7" pad="1"/>
<contactref element="C9" pad="1"/>
<contactref element="C11" pad="2"/>
<contactref element="C12" pad="2"/>
<contactref element="R2" pad="1"/>
<contactref element="R3" pad="1"/>
<contactref element="R4" pad="1"/>
<contactref element="R6" pad="1"/>
<contactref element="R5" pad="1"/>
<contactref element="R10" pad="1"/>
<contactref element="R8" pad="1"/>
<contactref element="D3" pad="C"/>
<contactref element="JP2" pad="6"/>
<contactref element="U3" pad="4"/>
<contactref element="C13" pad="2"/>
<contactref element="J1" pad="6"/>
<contactref element="J2" pad="GND"/>
</signal>
<signal name="RX">
<contactref element="U2" pad="30"/>
<contactref element="JP2" pad="3"/>
</signal>
<signal name="TX">
<contactref element="U2" pad="31"/>
<contactref element="JP2" pad="2"/>
</signal>
<signal name="DTR">
<contactref element="C2" pad="1"/>
<contactref element="JP2" pad="1"/>
</signal>
<signal name="MOSI">
<contactref element="U2" pad="15"/>
<contactref element="U3" pad="5"/>
<contactref element="J1" pad="4"/>
</signal>
<signal name="MISO">
<contactref element="U2" pad="16"/>
<contactref element="U3" pad="2"/>
<contactref element="J1" pad="1"/>
</signal>
<signal name="SCK">
<contactref element="U2" pad="17"/>
<contactref element="U3" pad="6"/>
<contactref element="J1" pad="3"/>
</signal>
<signal name="RESET">
<contactref element="U2" pad="29"/>
<contactref element="C2" pad="2"/>
<contactref element="R1" pad="1"/>
<contactref element="J1" pad="5"/>
</signal>
<signal name="N$1">
<contactref element="IC1" pad="2"/>
<contactref element="U2" pad="23"/>
</signal>
<signal name="N$2">
<contactref element="U2" pad="24"/>
<contactref element="IC2" pad="2"/>
</signal>
<signal name="N$3">
<contactref element="IC3" pad="2"/>
<contactref element="U2" pad="25"/>
</signal>
<signal name="BTN1">
<contactref element="U2" pad="32"/>
<contactref element="S1" pad="7-LEFT"/>
<contactref element="R2" pad="2"/>
</signal>
<signal name="BTN2">
<contactref element="U2" pad="1"/>
<contactref element="S1" pad="6-RIGHT"/>
<contactref element="R3" pad="2"/>
</signal>
<signal name="BTN3">
<contactref element="U2" pad="2"/>
<contactref element="S1" pad="3-UP"/>
<contactref element="R5" pad="2"/>
</signal>
<signal name="BTN4">
<contactref element="U2" pad="9"/>
<contactref element="S1" pad="4-DOWN"/>
<contactref element="R4" pad="2"/>
</signal>
<signal name="BTN5">
<contactref element="U2" pad="10"/>
<contactref element="S1" pad="5-SELECT"/>
<contactref element="R6" pad="2"/>
</signal>
<signal name="N$4">
<contactref element="U2" pad="7"/>
<contactref element="U$1" pad="1"/>
</signal>
<signal name="N$5">
<contactref element="U2" pad="8"/>
<contactref element="U$1" pad="3"/>
</signal>
<signal name="RST_3.3V">
<contactref element="U2" pad="12"/>
<contactref element="U$3" pad="14"/>
<contactref element="D1" pad="C"/>
</signal>
<signal name="N$6">
<contactref element="U$3" pad="26"/>
<contactref element="R8" pad="2"/>
</signal>
<signal name="N$7">
<contactref element="U$3" pad="2"/>
<contactref element="C5" pad="2"/>
</signal>
<signal name="N$8">
<contactref element="U$3" pad="3"/>
<contactref element="C5" pad="1"/>
</signal>
<signal name="N$9">
<contactref element="U$3" pad="4"/>
<contactref element="C6" pad="2"/>
</signal>
<signal name="N$10">
<contactref element="U$3" pad="5"/>
<contactref element="C6" pad="1"/>
</signal>
<signal name="N$11">
<contactref element="U$3" pad="28"/>
<contactref element="C7" pad="2"/>
</signal>
<signal name="N$12">
<contactref element="U$3" pad="27"/>
<contactref element="C9" pad="2"/>
</signal>
<signal name="D0/SCL_3.3V">
<contactref element="U2" pad="28"/>
<contactref element="U$3" pad="18"/>
</signal>
<signal name="D1/SDA1_3.3V">
<contactref element="U2" pad="27"/>
<contactref element="U$3" pad="19"/>
<contactref element="U$3" pad="20"/>
</signal>
<signal name="N$13">
<contactref element="R9" pad="2"/>
<contactref element="D1" pad="A"/>
</signal>
<signal name="N$14">
<contactref element="R7" pad="2"/>
<contactref element="D2" pad="A"/>
</signal>
<signal name="PROG">
<contactref element="U4" pad="5"/>
<contactref element="R10" pad="2"/>
</signal>
<signal name="STAT">
<contactref element="U4" pad="1"/>
<contactref element="D2" pad="C"/>
</signal>
<signal name="VBAT">
<contactref element="U4" pad="4"/>
<contactref element="C11" pad="1"/>
<contactref element="R7" pad="1"/>
<contactref element="J2" pad="VBUS"/>
</signal>
<signal name="N$16">
<contactref element="U2" pad="26"/>
<contactref element="IC4" pad="2"/>
</signal>
<signal name="N$15">
<contactref element="D3" pad="A"/>
<contactref element="R11" pad="1"/>
</signal>
<signal name="VIN">
<contactref element="C12" pad="1"/>
<contactref element="U4" pad="3"/>
<contactref element="JP7" pad="2"/>
<contactref element="J1" pad="2"/>
<contactref element="S2" pad="P"/>
</signal>
<signal name="CTS">
<contactref element="JP2" pad="5"/>
</signal>
<signal name="N$18">
<contactref element="U3" pad="7"/>
<contactref element="R12" pad="1"/>
</signal>
<signal name="N$23">
<contactref element="U3" pad="3"/>
</signal>
<signal name="CS">
<contactref element="U2" pad="14"/>
<contactref element="U3" pad="1"/>
</signal>
<signal name="U1IN">
<contactref element="U1" pad="3"/>
<contactref element="C1" pad="A"/>
<contactref element="S2" pad="O"/>
<contactref element="U1" pad="1"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
