<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="7.7.0">
<drawing>
<board>
<plain>
<wire x1="0" y1="0" x2="89.84" y2="0" width="0" layer="20"/>
<wire x1="89.84" y1="0" x2="89.84" y2="67.3" width="0" layer="20"/>
<wire x1="89.84" y1="67.3" x2="0" y2="67.3" width="0" layer="20"/>
<wire x1="0" y1="67.3" x2="0" y2="0" width="0" layer="20"/>
</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="CAP-PTH-SMALL">
</package>
</packages>
</library>
<library name="SparkFun">
<packages>
<package name="LED-0603">
</package>
<package name="SSOP28DB">
<description>&lt;b&gt;Small Shrink Outline Package&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="crystal">
<description>&lt;b&gt;Crystals and Crystal Resonators&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="TC26V">
<description>&lt;b&gt;CRYSTAL&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="diode">
<description>&lt;b&gt;Diodes&lt;/b&gt;&lt;p&gt;
Based on the following sources:
&lt;ul&gt;
&lt;li&gt;Motorola : www.onsemi.com
&lt;li&gt;Fairchild : www.fairchildsemi.com
&lt;li&gt;Philips : www.semiconductors.com
&lt;li&gt;Vishay : www.vishay.de
&lt;/ul&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="DO41-10">
<description>&lt;B&gt;DIODE&lt;/B&gt;&lt;p&gt;
diameter 2.54 mm, horizontal, grid 10.16 mm</description>
</package>
</packages>
</library>
<library name="SparkFun-Retired">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
In this library you'll find all manner of retired footprints for resistors, capacitors, board names, ICs, etc., that are no longer used in our catalog.&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>
</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="SCREWTERMINAL-3.5MM-2">
<description>&lt;h3&gt;Screw Terminal  3.5mm Pitch - 2 Pin PTH&lt;/h3&gt;
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count: 2&lt;/li&gt;
&lt;li&gt;Pin pitch: 3.5mm/138mil&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;
&lt;p&gt;&lt;a href=”https://www.sparkfun.com/datasheets/Prototyping/Screw-Terminal-3.5mm.pdf”&gt;Datasheet referenced for footprint&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;Example device(s):
&lt;ul&gt;&lt;li&gt;CONN_02&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</description>
</package>
<package name="POWER_JACK_PTH">
</package>
<package name="USB-B-PTH">
<description>&lt;h3&gt;USB Type B Female PTH Mounted&lt;/h3&gt;
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count:4 main, 2 shield&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;
&lt;p&gt;&lt;a href=”https://www.sparkfun.com/datasheets/Prototyping/USB-B%20Connector.pdf”&gt;Datasheet referenced for footprint&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;Example device(s):
&lt;ul&gt;&lt;li&gt;USB_B&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</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="TO-220-ALT">
</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="AXIAL-0.4">
<description>1/4W Resistor, 0.4" wide&lt;p&gt;

Yageo CFR series &lt;a href="http://www.yageo.com/pdf/yageo/Leaded-R_CFR_2008.pdf"&gt;http://www.yageo.com/pdf/yageo/Leaded-R_CFR_2008.pdf&lt;/a&gt;</description>
</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="DIL28-3">
<description>Standard 28-pin DIP package.&lt;br&gt;
IC needs to have legs bent before insertion.</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="C1" library="SparkFun-Passives" package="CAP-PTH-SMALL" value="10uF">
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_NEWARK" value="unknown"/>
</element>
<element name="C2" library="SparkFun-Passives" package="CAP-PTH-SMALL" value="22pF">
<attribute name="MPN" value="04025A220JAT2A"/>
<attribute name="MF" value=""/>
<attribute name="OC_NEWARK" value="96M1143"/>
</element>
<element name="C3" library="SparkFun-Passives" package="CAP-PTH-SMALL" value="1uF">
<attribute name="MPN" value="104M06QC100"/>
<attribute name="MF" value="CORNELL DUBILIER"/>
<attribute name="OC_NEWARK" value="72K6759"/>
</element>
<element name="C4" library="SparkFun-Passives" package="CAP-PTH-SMALL" value="22pf">
<attribute name="MPN" value="04025A220JAT2A"/>
<attribute name="MF" value=""/>
<attribute name="OC_NEWARK" value="96M1143"/>
</element>
<element name="C5" library="SparkFun-Passives" package="CAP-PTH-SMALL" value="100uF">
<attribute name="MPN" value="UPW1E101MED"/>
<attribute name="MF" value=""/>
<attribute name="OC_NEWARK" value="55K0210"/>
</element>
<element name="C6" library="SparkFun-Passives" package="CAP-PTH-SMALL" value="10uF">
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_NEWARK" value="unknown"/>
</element>
<element name="C7" library="SparkFun-Passives" package="CAP-PTH-SMALL" value="1uF">
<attribute name="MPN" value="104M06QC100"/>
<attribute name="MF" value="CORNELL DUBILIER"/>
<attribute name="OC_NEWARK" value="72K6759"/>
</element>
<element name="C8" library="SparkFun-Passives" package="CAP-PTH-SMALL" value=".1uF">
<attribute name="MPN" value="04025A220JAT2A"/>
<attribute name="MF" value=""/>
<attribute name="OC_NEWARK" value="96M1143"/>
</element>
<element name="C9" library="SparkFun-Passives" package="CAP-PTH-SMALL" value="1uF">
<attribute name="MPN" value="104M06QC100"/>
<attribute name="MF" value="CORNELL DUBILIER"/>
<attribute name="OC_NEWARK" value="72K6759"/>
</element>
<element name="CRYSTALLOSS." library="crystal" package="TC26V" value="16 Mhz">
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="OC_FARNELL" value="unknown"/>
</element>
<element name="D4" library="diode" package="DO41-10" value="1N4004"/>
<element name="FRAME1" library="SparkFun-Retired" package="CREATIVE_COMMONS" value="FRAME-LETTER">
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_NEWARK" value="unknown"/>
</element>
<element name="J10" library="SparkFun-Connectors" package="SCREWTERMINAL-3.5MM-2" value="">
<attribute name="PROD_ID" value="CONN-08399"/>
</element>
<element name="J11" library="SparkFun-Connectors" package="SCREWTERMINAL-3.5MM-2" value="">
<attribute name="PROD_ID" value="CONN-08399"/>
</element>
<element name="J12" library="SparkFun-Connectors" package="SCREWTERMINAL-3.5MM-2" value="">
<attribute name="PROD_ID" value="CONN-08399"/>
</element>
<element name="J13" library="SparkFun-Connectors" package="SCREWTERMINAL-3.5MM-2" value="">
<attribute name="PROD_ID" value="CONN-08399"/>
</element>
<element name="J2" library="SparkFun-Connectors" package="SCREWTERMINAL-3.5MM-2" value="">
<attribute name="PROD_ID" value="CONN-08399"/>
</element>
<element name="J3" library="SparkFun-Connectors" package="POWER_JACK_PTH" value="POWER_JACKPTH">
<attribute name="PROD_ID" value="CONN-08197"/>
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_NEWARK" value="unknown"/>
</element>
<element name="J5" library="SparkFun-Connectors" package="USB-B-PTH" value="USB_B_PTH">
<attribute name="PROD_ID" value="CONN-08278"/>
<attribute name="SF_ID" value="PRT-00139"/>
</element>
<element name="J6" library="SparkFun-Connectors" package="SCREWTERMINAL-3.5MM-2" value="">
<attribute name="PROD_ID" value="CONN-08399"/>
</element>
<element name="J7" library="SparkFun-Connectors" package="SCREWTERMINAL-3.5MM-2" value="">
<attribute name="PROD_ID" value="CONN-08399"/>
</element>
<element name="J8" library="SparkFun-Connectors" package="SCREWTERMINAL-3.5MM-2" value="">
<attribute name="PROD_ID" value="CONN-08399"/>
</element>
<element name="J9" library="SparkFun-Connectors" package="SCREWTERMINAL-3.5MM-2" value="">
<attribute name="PROD_ID" value="CONN-08399"/>
</element>
<element name="LED1" library="SparkFun" package="LED-0603" value="Red"/>
<element name="LED2" library="SparkFun" package="LED-0603" value="Green"/>
<element name="LM7805" library="SparkFun-PowerIC" package="TO-220-ALT" value="">
<attribute name="PROD_ID" value="VREG-08450"/>
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="SF_ID" value="COM-00107"/>
<attribute name="OC_NEWARK" value="unknown"/>
</element>
<element name="R4" library="SparkFun-Resistors" package="AXIAL-0.4" value="1K">
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_NEWARK" value="unknown"/>
</element>
<element name="U1" library="SparkFun-DigitalIC" package="DIL28-3" value="ATMEGA328P_PDIP">
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_NEWARK" value="unknown"/>
</element>
<element name="U3" library="SparkFun" package="SSOP28DB" value="FT232RLSSOP"/>
<element name="C13" library="SparkFun-Passives" package="CAP-PTH-SMALL" value="0.1uF">
<attribute name="MPN" value="04025A220JAT2A"/>
<attribute name="MF" value=""/>
<attribute name="OC_NEWARK" value="96M1143"/>
</element>
<element name="C14" library="SparkFun-Passives" package="CAP-PTH-SMALL" value="0.1uF">
<attribute name="MPN" value="04025A220JAT2A"/>
<attribute name="MF" value=""/>
<attribute name="OC_NEWARK" value="96M1143"/>
</element>
<element name="C15" library="SparkFun-Passives" package="CAP-PTH-SMALL" value="10uF">
<attribute name="MPN" value="04025A220JAT2A"/>
<attribute name="MF" value=""/>
<attribute name="OC_NEWARK" value="96M1143"/>
</element>
<element name="R2" library="SparkFun-Resistors" package="AXIAL-0.4" value="1K">
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_NEWARK" value="unknown"/>
</element>
<element name="R1" library="SparkFun-Resistors" package="AXIAL-0.4" value="1K">
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_NEWARK" value="unknown"/>
</element>
</elements>
<signals>
<signal name="VCCIN">
<contactref element="J3" pad="PWR"/>
<contactref element="C1" pad="1"/>
<contactref element="D4" pad="A"/>
</signal>
<signal name="GND">
<contactref element="C1" pad="2"/>
<contactref element="J3" pad="GND"/>
<contactref element="J3" pad="GNDBREAK"/>
<contactref element="U1" pad="8"/>
<contactref element="U1" pad="22"/>
<contactref element="C2" pad="2"/>
<contactref element="C4" pad="2"/>
<contactref element="C6" pad="2"/>
<contactref element="LM7805" pad="GND"/>
<contactref element="C5" pad="2"/>
<contactref element="J5" pad="GND"/>
<contactref element="U3" pad="26"/>
<contactref element="U3" pad="25"/>
<contactref element="U3" pad="7"/>
<contactref element="U3" pad="18"/>
<contactref element="U3" pad="21"/>
<contactref element="J13" pad="2"/>
<contactref element="C3" pad="2"/>
<contactref element="J13" pad="1"/>
<contactref element="J12" pad="1"/>
<contactref element="C7" pad="2"/>
<contactref element="C9" pad="2"/>
<contactref element="C13" pad="2"/>
<contactref element="C14" pad="2"/>
<contactref element="C15" pad="2"/>
</signal>
<signal name="N$1">
<contactref element="U1" pad="9"/>
<contactref element="CRYSTALLOSS." pad="2"/>
<contactref element="C2" pad="1"/>
</signal>
<signal name="N$2">
<contactref element="U1" pad="10"/>
<contactref element="CRYSTALLOSS." pad="1"/>
<contactref element="C4" pad="1"/>
</signal>
<signal name="N$3">
<contactref element="LM7805" pad="IN"/>
<contactref element="C5" pad="1"/>
<contactref element="D4" pad="C"/>
</signal>
<signal name="TXD">
<contactref element="U1" pad="2"/>
<contactref element="U3" pad="1"/>
</signal>
<signal name="RXD">
<contactref element="U1" pad="3"/>
<contactref element="U3" pad="5"/>
</signal>
<signal name="CTS">
<contactref element="U3" pad="11"/>
</signal>
<signal name="DTR">
<contactref element="C8" pad="1"/>
<contactref element="U3" pad="2"/>
</signal>
<signal name="STEPD/E">
<contactref element="U1" pad="14"/>
<contactref element="J2" pad="2"/>
<contactref element="J2" pad="1"/>
<contactref element="J6" pad="2"/>
<contactref element="J6" pad="1"/>
<contactref element="J7" pad="2"/>
<contactref element="J7" pad="1"/>
</signal>
<signal name="DIRZ">
<contactref element="U1" pad="13"/>
<contactref element="J10" pad="1"/>
</signal>
<signal name="DIRX">
<contactref element="U1" pad="11"/>
<contactref element="J9" pad="1"/>
</signal>
<signal name="DIRY">
<contactref element="U1" pad="12"/>
<contactref element="J10" pad="2"/>
</signal>
<signal name="STEPZ">
<contactref element="U1" pad="6"/>
<contactref element="J9" pad="2"/>
</signal>
<signal name="STEPX">
<contactref element="U1" pad="4"/>
<contactref element="J8" pad="2"/>
</signal>
<signal name="STEPY">
<contactref element="U1" pad="5"/>
<contactref element="J8" pad="1"/>
</signal>
<signal name="LIMITZ">
<contactref element="U1" pad="18"/>
<contactref element="J11" pad="2"/>
<contactref element="C3" pad="1"/>
</signal>
<signal name="LIMITX">
<contactref element="U1" pad="15"/>
<contactref element="J12" pad="2"/>
<contactref element="C9" pad="1"/>
</signal>
<signal name="LIMITY">
<contactref element="U1" pad="16"/>
<contactref element="J11" pad="1"/>
<contactref element="C7" pad="1"/>
</signal>
<signal name="VCC">
<contactref element="C6" pad="1"/>
<contactref element="LM7805" pad="OUT"/>
<contactref element="U1" pad="20"/>
<contactref element="U1" pad="7"/>
<contactref element="U1" pad="21"/>
<contactref element="R4" pad="P$2"/>
</signal>
<signal name="N$6">
<contactref element="C8" pad="2"/>
<contactref element="R4" pad="P$1"/>
<contactref element="U1" pad="1"/>
</signal>
<signal name="USB_D-">
<contactref element="U3" pad="16"/>
<contactref element="J5" pad="D-"/>
</signal>
<signal name="3.3V">
<contactref element="U3" pad="17"/>
<contactref element="C14" pad="1"/>
</signal>
<signal name="TXLED">
<contactref element="U3" pad="23"/>
<contactref element="LED1" pad="C"/>
</signal>
<signal name="RXLED">
<contactref element="U3" pad="22"/>
<contactref element="LED2" pad="C"/>
</signal>
<signal name="N$5">
<contactref element="LED1" pad="A"/>
<contactref element="R1" pad="P$2"/>
</signal>
<signal name="N$13">
<contactref element="LED2" pad="A"/>
<contactref element="R2" pad="P$2"/>
</signal>
<signal name="5V">
<contactref element="U3" pad="20"/>
<contactref element="J5" pad="VBUS"/>
<contactref element="U3" pad="4"/>
<contactref element="C13" pad="1"/>
<contactref element="C15" pad="1"/>
<contactref element="R1" pad="P$1"/>
<contactref element="R2" pad="P$1"/>
</signal>
<signal name="USB_D">
<contactref element="U3" pad="15"/>
<contactref element="J5" pad="D+"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
