<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="7.2.0">
<drawing>
<board>
<plain>
<wire x1="-1.524" y1="0" x2="35.23" y2="0" width="0" layer="20"/>
<wire x1="35.23" y1="0" x2="35.23" y2="44.44" width="0" layer="20"/>
<wire x1="35.23" y1="44.44" x2="-1.524" y2="44.44" width="0" layer="20"/>
<wire x1="-1.524" y1="44.44" x2="-1.524" y2="0" width="0" layer="20"/>
<text>Signs in/out</text>
<text>GND</text>
<text>GND</text>
<text>Da</text>
<text>Da</text>
<text>Cl</text>
<text>Cl</text>
<text>Sign Display</text>
<text>VCC</text>
<text>GND</text>
<text>Da</text>
<text>Cl</text>
<text>GND</text>
<text>DTR</text>
<text>TXO</text>
<text>RXI</text>
<text>VCC</text>
<text>GND</text>
<text>GND</text>
<text>VIN</text>
<text>GND</text>
<text>VCC</text>
<text>GND</text>
<text>VIN</text>
<text>VCC</text>
<text>MOSI</text>
<text>GND</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="0603-CAP">
</package>
<package name="0603-RES">
</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="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>
<package name="1X06">
</package>
<package name="2X03">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
<package name="1X04">
</package>
<package name="1X02">
</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="TO220H">
<description>&lt;b&gt;TO-220&lt;/b&gt;</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="TACTILE_SWITCH_SMD">
</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>
</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-SMD">
</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; 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="CAP-PTH-SMALLEZ">
<description>This is the "EZ" version of the .1" spaced ceramic thru-hole cap.&lt;br&gt;
It has reduced top mask to make it harder to put the component on the wrong side of the board.</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="C1" library="SparkFun-Passives" package="0603-CAP" value="0.1uF"/>
<element name="C2" library="SparkFun-Passives" package="0603-CAP" value="0.1uF"/>
<element name="C3" library="SparkFun-Passives" package="0603-CAP" value="0.1uF"/>
<element name="C5" library="SparkFun-Passives" package="0603-CAP" value="0.1uF"/>
<element name="D2" library="SparkFun-LED" package="LED-0603" value="D13">
<attribute name="PROD_ID" value="DIO-00819"/>
</element>
<element name="D3" library="SparkFun-LED" package="LED-0603" value="RX">
<attribute name="PROD_ID" value="DIO-00821"/>
</element>
<element name="D4" library="SparkFun-LED" package="LED-0603" value="TX">
<attribute name="PROD_ID" value="DIO-00819"/>
</element>
<element name="I2C" library="SparkFun-Connectors" package="1X03" value=""/>
<element name="IC1" library="linear" package="TO220H" value="7805T"/>
<element name="JP1" library="SparkFun-Connectors" package="1X06" value="FTDI Basic">
<attribute name="VALUE"/>
</element>
<element name="JP3" library="SparkFun-Connectors" package="2X03" value="ICSP">
<attribute name="VALUE"/>
</element>
<element name="R1" library="SparkFun-Passives" package="0603-RES" value="10k"/>
<element name="R2" library="SparkFun-Passives" package="0603-RES" value="10k"/>
<element name="R4" library="SparkFun-Passives" package="0603-RES" value="10k"/>
<element name="R5" library="SparkFun-Passives" package="0603-RES" value="10k"/>
<element name="S1" library="SparkFun-Electromechanical" package="TACTILE_SWITCH_SMD" value="Reset">
<attribute name="PROD_ID" value="SWCH-08247"/>
</element>
<element name="U1" library="SparkFun-DigitalIC" package="TQFP32-08" value="ATMEGA328P">
<attribute name="PROD_ID" value="IC-09069"/>
</element>
<element name="Y1" library="SparkFun-FreqCtrl" package="RESONATOR-SMD" value="16MHz">
<attribute name="PROD_ID" value="XTAL-08900"/>
</element>
<element name="I2CCOM" library="SparkFun-Connectors" package="1X03" value="">
<attribute name="VALUE"/>
</element>
<element name="I2CCOM1" library="SparkFun-Connectors" package="1X03" value="">
<attribute name="VALUE"/>
</element>
<element name="JP2" library="SparkFun-Connectors" package="1X04" value="">
<attribute name="VALUE"/>
</element>
<element name="JP4" library="SparkFun-Connectors" package="1X02" value="M02PTH"/>
<element name="C6" library="SparkFun-Capacitors" package="CAP-PTH-SMALLEZ" value="0.33uf"/>
</elements>
<signals>
<signal name="GND">
<contactref element="JP1" pad="6"/>
<contactref element="JP1" pad="5"/>
<contactref element="Y1" pad="2"/>
<contactref element="C2" pad="1"/>
<contactref element="U1" pad="21"/>
<contactref element="U1" pad="3"/>
<contactref element="U1" pad="5"/>
<contactref element="C3" pad="1"/>
<contactref element="D2" pad="C"/>
<contactref element="D4" pad="C"/>
<contactref element="S1" pad="1"/>
<contactref element="D3" pad="C"/>
<contactref element="JP3" pad="6"/>
<contactref element="I2C" pad="3"/>
<contactref element="IC1" pad="2"/>
<contactref element="C5" pad="1"/>
<contactref element="I2CCOM" pad="3"/>
<contactref element="I2CCOM1" pad="3"/>
<contactref element="JP2" pad="4"/>
<contactref element="JP4" pad="1"/>
<contactref element="C6" pad="2"/>
</signal>
<signal name="VCC">
<contactref element="JP1" pad="4"/>
<contactref element="U1" pad="18"/>
<contactref element="U1" pad="4"/>
<contactref element="U1" pad="6"/>
<contactref element="R1" pad="2"/>
<contactref element="C3" pad="2"/>
<contactref element="JP3" pad="2"/>
<contactref element="IC1" pad="3"/>
<contactref element="C5" pad="2"/>
<contactref element="JP2" pad="2"/>
</signal>
<signal name="RXI">
<contactref element="JP1" pad="3"/>
<contactref element="U1" pad="30"/>
<contactref element="R4" pad="2"/>
</signal>
<signal name="TXO">
<contactref element="JP1" pad="2"/>
<contactref element="U1" pad="31"/>
<contactref element="R5" pad="2"/>
</signal>
<signal name="DTR">
<contactref element="JP1" pad="1"/>
<contactref element="C1" pad="1"/>
</signal>
<signal name="RESET">
<contactref element="U1" pad="29"/>
<contactref element="C1" pad="2"/>
<contactref element="R1" pad="1"/>
<contactref element="S1" pad="3"/>
<contactref element="JP3" pad="5"/>
</signal>
<signal name="N$1">
<contactref element="Y1" pad="1"/>
<contactref element="U1" pad="7"/>
</signal>
<signal name="N$2">
<contactref element="U1" pad="8"/>
<contactref element="Y1" pad="3"/>
</signal>
<signal name="AREF">
<contactref element="U1" pad="20"/>
<contactref element="C2" pad="2"/>
</signal>
<signal name="VIN">
<contactref element="IC1" pad="1"/>
<contactref element="JP4" pad="2"/>
<contactref element="C6" pad="1"/>
</signal>
<signal name="A1">
<contactref element="U1" pad="24"/>
</signal>
<signal name="A2">
<contactref element="U1" pad="25"/>
</signal>
<signal name="SDA">
<contactref element="U1" pad="27"/>
<contactref element="I2C" pad="1"/>
<contactref element="I2CCOM" pad="2"/>
<contactref element="I2CCOM1" pad="2"/>
</signal>
<signal name="SCL">
<contactref element="U1" pad="28"/>
<contactref element="I2C" pad="2"/>
<contactref element="I2CCOM" pad="1"/>
<contactref element="I2CCOM1" pad="1"/>
</signal>
<signal name="A6">
<contactref element="U1" pad="19"/>
</signal>
<signal name="A7">
<contactref element="U1" pad="22"/>
</signal>
<signal name="D2">
<contactref element="U1" pad="32"/>
<contactref element="JP2" pad="3"/>
</signal>
<signal name="D8">
<contactref element="U1" pad="12"/>
</signal>
<signal name="D10">
<contactref element="U1" pad="14"/>
</signal>
<signal name="MOSI">
<contactref element="JP3" pad="4"/>
<contactref element="U1" pad="15"/>
</signal>
<signal name="MISO">
<contactref element="JP3" pad="1"/>
<contactref element="U1" pad="16"/>
</signal>
<signal name="SCK">
<contactref element="U1" pad="17"/>
<contactref element="R2" pad="2"/>
<contactref element="JP3" pad="3"/>
</signal>
<signal name="A3">
<contactref element="U1" pad="26"/>
</signal>
<signal name="N$4">
<contactref element="D2" pad="A"/>
<contactref element="R2" pad="1"/>
</signal>
<signal name="N$6">
<contactref element="R5" pad="1"/>
<contactref element="D4" pad="A"/>
</signal>
<signal name="N$5">
<contactref element="D3" pad="A"/>
<contactref element="R4" pad="1"/>
</signal>
<signal name="D9">
<contactref element="U1" pad="13"/>
</signal>
<signal name="D3">
<contactref element="U1" pad="1"/>
<contactref element="JP2" pad="1"/>
</signal>
<signal name="D5">
<contactref element="U1" pad="9"/>
</signal>
<signal name="D6">
<contactref element="U1" pad="10"/>
</signal>
<signal name="D7">
<contactref element="U1" pad="11"/>
</signal>
<signal name="N$8">
<contactref element="U1" pad="23"/>
</signal>
<signal name="D4">
<contactref element="U1" pad="2"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
