<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="8.6.1">
<drawing>
<board>
<plain>
<wire x1="-1.27" y1="35.56" x2="59.07" y2="35.56" width="0.254" layer="20"/>
<wire x1="59.07" y1="35.56" x2="59.07" y2="0" width="0.254" layer="20"/>
<wire x1="59.07" y1="0" x2="-1.27" y2="0" width="0.254" layer="20"/>
<wire x1="-1.27" y1="0" x2="-1.27" y2="35.56" width="0.254" layer="20"/>
<text>3D Scanner Arm Control Board V3.0</text>
<text>Design: Walker Arce</text>
<text>FUNDED BY: NASA NEBRASKA FELLOWSHIP</text>
<text>C:/Users/UniversityPC/Documents/Research/Electronics/Pictures/350a643b772901316bfe83da1b37d191.bmp</text>
<text>FAN 1</text>
<text>FAN 2</text>
<text>12V IN</text>
<text>+</text>
<text>-</text>
<text>-</text>
<text>+</text>
<text>+</text>
<text>-</text>
</plain>
<libraries>
<library name="SparkFun-Connectors">
<description>&lt;h3&gt;SparkFun Connectors&lt;/h3&gt;
This library contains electrically-functional connectors. 
&lt;br&gt;
&lt;br&gt;
We've spent an enormous amount of time creating and checking these footprints and parts, but it is &lt;b&gt; the end user's responsibility&lt;/b&gt; to ensure correctness and suitablity for a given componet or application. 
&lt;br&gt;
&lt;br&gt;If you enjoy using this library, please buy one of our products at &lt;a href=" www.sparkfun.com"&gt;SparkFun.com&lt;/a&gt;.
&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="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>
<package name="1X04">
<description>&lt;h3&gt;Plated Through Hole - 4 Pin&lt;/h3&gt;
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count:4&lt;/li&gt;
&lt;li&gt;Pin pitch:0.1"&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;
&lt;p&gt;Example device(s):
&lt;ul&gt;&lt;li&gt;CONN_04&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</description>
</package>
<package name="2X3-NS">
<description>&lt;h3&gt;Plated Through Hole - 2x3 No Silk Outline&lt;/h3&gt;
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count:6&lt;/li&gt;
&lt;li&gt;Pin pitch:0.1"&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;
&lt;p&gt;Example device(s):
&lt;ul&gt;&lt;li&gt;CONN_03x2&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</description>
</package>
<package name="SCREWTERMINAL-3.5MM-6">
<description>&lt;h3&gt;Screw Terminal  3.5mm Pitch -6 Pin PTH&lt;/h3&gt;
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count: 6&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_06&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</description>
</package>
</packages>
</library>
<library name="SparkFun-Hardware">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
This library contains board components that are not electrical in nature, such as stand-offs, magnets, and Actobotics. 
&lt;br&gt;
&lt;br&gt;
We've spent an enormous amount of time creating and checking these footprints and parts, but it is &lt;b&gt; the end user's responsibility&lt;/b&gt; to ensure correctness and suitablity for a given componet or application. 
&lt;br&gt;
&lt;br&gt;If you enjoy using this library, please buy one of our products at &lt;a href=" www.sparkfun.com"&gt;SparkFun.com&lt;/a&gt;.
&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="STAND-OFF-TIGHT">
<description>&lt;h3&gt;Standoff (#4 Screw) - Tight fit around screw body&lt;/h3&gt;
&lt;p&gt;This is the mechanical footprint for a #4 phillips button head screw. Use the keepout ring to avoid running the screw head into surrounding components.&lt;/p&gt;
&lt;h4&gt;Devices Using&lt;/h4&gt;
&lt;ul&gt;&lt;li&gt;STAND-OFF&lt;/li&gt;&lt;/ul&gt;</description>
</package>
</packages>
</library>
<library name="SparkFun-IC-Microcontroller">
<description>&lt;h3&gt;SparkFun Microcontrollers&lt;/h3&gt;
This library contains microcontrollers.
&lt;br&gt;
&lt;br&gt;
We've spent an enormous amount of time creating and checking these footprints and parts, but it is &lt;b&gt; the end user's responsibility&lt;/b&gt; to ensure correctness and suitablity for a given componet or application. 
&lt;br&gt;
&lt;br&gt;If you enjoy using this library, please buy one of our products at &lt;a href=" www.sparkfun.com"&gt;SparkFun.com&lt;/a&gt;.
&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="QFN-44">
</package>
</packages>
</library>
<library name="SparkFun-IC-Power">
<description>&lt;h3&gt;SparkFun Power Driver and Management ICs&lt;/h3&gt;
In this library you'll find anything that has to do with power delivery, or making power supplies.
&lt;p&gt;Contents:
&lt;ul&gt;&lt;li&gt;LDOs&lt;/li&gt;
&lt;li&gt;Boost/Buck controllers&lt;/li&gt;
&lt;li&gt;Charge pump controllers&lt;/li&gt;
&lt;li&gt;Power sequencers&lt;/li&gt;
&lt;li&gt;Power switches&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;
&lt;br&gt;
We've spent an enormous amount of time creating and checking these footprints and parts, but it is &lt;b&gt; the end user's responsibility&lt;/b&gt; to ensure correctness and suitablity for a given componet or application. 
&lt;br&gt;
&lt;br&gt;If you enjoy using this library, please buy one of our products at &lt;a href=" www.sparkfun.com"&gt;SparkFun.com&lt;/a&gt;.
&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-252">
</package>
</packages>
</library>
<library name="A4988SETTR-T">
<packages>
<package name="QFN50P500X500X100-29N">
</package>
</packages>
</library>
<library name="adafruit">
<packages>
<package name="C0402">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;&lt;p&gt;
chip</description>
</package>
<package name="R0402">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
chip</description>
</package>
<package name="R0805">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
chip</description>
</package>
</packages>
</library>
<library name="SparkFun-Switches">
<description>&lt;h3&gt;SparkFun Switches, Buttons, Encoders&lt;/h3&gt;
In this library you'll find switches, buttons, joysticks, and anything that moves to create or disrupt an electrical connection.
&lt;br&gt;
&lt;br&gt;
We've spent an enormous amount of time creating and checking these footprints and parts, but it is &lt;b&gt; the end user's responsibility&lt;/b&gt; to ensure correctness and suitablity for a given componet or application. 
&lt;br&gt;
&lt;br&gt;If you enjoy using this library, please buy one of our products at &lt;a href=" www.sparkfun.com"&gt;SparkFun.com&lt;/a&gt;.
&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_5.2MM">
<description>&lt;h3&gt;Momentary Switch (Pushbutton) - SPST - SMD, 5.2mm Square&lt;/h3&gt;
&lt;p&gt;Normally-open (NO) SPST momentary switches (buttons, pushbuttons).&lt;/p&gt;
&lt;p&gt;&lt;a href="https://www.sparkfun.com/datasheets/Components/Buttons/SMD-Button.pdf"&gt;Dimensional Drawing&lt;/a&gt;&lt;/p&gt;</description>
</package>
</packages>
</library>
<library name="CSTCE16M0V53-R0">
<packages>
<package name="OSC_CSTCE16M0V53-R0">
</package>
</packages>
</library>
<library name="SparkFun-Coils">
<description>&lt;h3&gt;SparkFun Coils&lt;/h3&gt;
In this library you'll find magnetics.

&lt;p&gt;&lt;b&gt;SparkFun Products:&lt;/b&gt;
&lt;ul&gt;&lt;li&gt;Inductors&lt;/li&gt;
&lt;li&gt;Ferrite Beads&lt;/li&gt;
&lt;li&gt;Transformers&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;

&lt;br&gt;
&lt;p&gt;We've spent an enormous amount of time creating and checking these footprints and parts, but it is &lt;b&gt; the end user's responsibility&lt;/b&gt; to ensure correctness and suitablity for a given componet or application. 
&lt;br&gt;
&lt;br&gt;If you enjoy using this library, please buy one of our products at &lt;a href=" www.sparkfun.com"&gt;SparkFun.com&lt;/a&gt;.
&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.&lt;/p&gt;</description>
<packages>
<package name="0603">
<description>&lt;p&gt;&lt;b&gt;Generic 1608 (0603) package&lt;/b&gt;&lt;/p&gt;
&lt;p&gt;0.2mm courtyard excess rounded to nearest 0.05mm.&lt;/p&gt;</description>
</package>
</packages>
</library>
<library name="SparkFun-DiscreteSemi">
<description>&lt;h3&gt;SparkFun Discrete Semiconductors&lt;/h3&gt;
This library contains diodes, optoisolators, TRIACs, MOSFETs, transistors, 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 &lt;b&gt; the end user's responsibility&lt;/b&gt; to ensure correctness and suitablity for a given componet or application. 
&lt;br&gt;
&lt;br&gt;If you enjoy using this library, please buy one of our products at &lt;a href=" www.sparkfun.com"&gt;SparkFun.com&lt;/a&gt;.
&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-323">
<description>SOD-323 (Small Outline Diode)</description>
</package>
</packages>
</library>
<library name="SparkFun-Resistors">
<description>&lt;h3&gt;SparkFun Resistors&lt;/h3&gt;
This library contains resistors. Reference designator:R. 
&lt;br&gt;
&lt;br&gt;
We've spent an enormous amount of time creating and checking these footprints and parts, but it is &lt;b&gt; the end user's responsibility&lt;/b&gt; to ensure correctness and suitablity for a given componet or application. 
&lt;br&gt;
&lt;br&gt;If you enjoy using this library, please buy one of our products at &lt;a href=" www.sparkfun.com"&gt;SparkFun.com&lt;/a&gt;.
&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="TRIMPOT-SMD-TC33X">
<description>&lt;h3&gt;Bourns TC33X Trimpot - SMD, 3mm Square, Open-Frame&lt;/h3&gt;
&lt;p&gt;Used on e.g. &lt;a href="https://www.sparkfun.com/products/13899"&gt;Shapeoko&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;&lt;a href="http://www.bourns.com/docs/Product-Datasheets/TC33.pdf"&gt;Datasheet&lt;/a&gt; (TS53YL502MR10)&lt;/p&gt;</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="H1" library="SparkFun-Hardware" package="STAND-OFF-TIGHT" value="STAND-OFFTIGHT"/>
<element name="H2" library="SparkFun-Hardware" package="STAND-OFF-TIGHT" value="STAND-OFFTIGHT"/>
<element name="H3" library="SparkFun-Hardware" package="STAND-OFF-TIGHT" value="STAND-OFFTIGHT"/>
<element name="H4" library="SparkFun-Hardware" package="STAND-OFF-TIGHT" value="STAND-OFFTIGHT"/>
<element name="U$1" library="SparkFun-IC-Microcontroller" package="QFN-44" value="32U4">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="IC-10828"/>
</element>
<element name="J1" 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="U1" library="SparkFun-IC-Power" package="TO-252" value="+12v">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="VREG-12370"/>
<attribute name="VALUE"/>
</element>
<element name="U2" library="A4988SETTR-T" package="QFN50P500X500X100-29N" value="A4988SETTR-T">
<attribute name="AVAILABILITY" value="Good"/>
<attribute name="DESCRIPTION" value=" DMOS Stepping Motor Driver 28-Pin QFN EP T/R "/>
<attribute name="MF" value="Allegro MicroSystems LLC"/>
<attribute name="MP" value="A4988SETTRT"/>
<attribute name="PACKAGE" value="QFN-28 Allegro MicroSystems LLC"/>
<attribute name="PRICE" value="2.01 USD"/>
</element>
<element name="J2" library="SparkFun-Connectors" package="1X04" value="">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="CONN-09696"/>
<attribute name="VALUE"/>
</element>
<element name="C1" library="adafruit" package="C0402" value="47p">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R1" library="adafruit" package="R0402" value="22">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R2" library="adafruit" package="R0402" value="22">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C2" library="adafruit" package="C0402" value="47p">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="J3" library="SparkFun-Connectors" package="2X3-NS" value="AVR_SPI_PROG_3X2NS"/>
<element name="S1" library="SparkFun-Switches" package="TACTILE_SWITCH_SMD_5.2MM" value="RESET">
<attribute name="PROD_ID" value="SWCH-08247"/>
<attribute name="SF_SKU" value="COM-08720"/>
<attribute name="VALUE"/>
</element>
<element name="C5" library="adafruit" package="C0402" value="0.33u">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C6" library="adafruit" package="C0402" value="0.1u">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C7" library="adafruit" package="C0402" value="1u">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C8" library="adafruit" package="C0402" value="0.1u">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C9" library="adafruit" package="C0402" value="0.1u">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R4" library="adafruit" package="R0402" value="100k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R5" library="adafruit" package="R0402" value="NP">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R6" library="adafruit" package="R0402" value="10k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="TM1" library="SparkFun-Resistors" package="TRIMPOT-SMD-TC33X" value="10k">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="RES-12428"/>
<attribute name="VALUE"/>
<attribute name="VALUE" value="10k"/>
</element>
<element name="R7" library="adafruit" package="R0402" value="20k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R8" library="adafruit" package="R0402" value="100k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C10" library="adafruit" package="C0402" value="0.22u">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R9" library="adafruit" package="R0805" value="0.68m">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R10" library="adafruit" package="R0805" value="0.68m">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C11" library="adafruit" package="C0402" value="0.1u">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C12" library="adafruit" package="C0402" value="0.1u">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C13" library="adafruit" package="C0402" value="0.1u">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C14" library="adafruit" package="C0402" value="0.1u">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R11" library="adafruit" package="R0402" value="10k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="Y1" library="CSTCE16M0V53-R0" package="OSC_CSTCE16M0V53-R0" value="CSTCE16M0V53-R0">
<attribute name="AVAILABILITY" value="Good"/>
<attribute name="DESCRIPTION" value=" Ceramic Resonator 16MHz ??0.5% (Tol) ??0.3% (Stability) 15pF 40Ohm 3-Pin CSMD T/R "/>
<attribute name="MF" value="Murata"/>
<attribute name="MP" value="CSTCE16M0V53-R0"/>
<attribute name="PACKAGE" value="SMD-3 Murata"/>
<attribute name="PRICE" value="0.28 USD"/>
</element>
<element name="FB1" library="SparkFun-Coils" package="0603" value="30Ω/1.8A">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="NDUC-07859"/>
</element>
<element name="FB2" library="SparkFun-Coils" package="0603" value="30Ω/1.8A">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="NDUC-07859"/>
</element>
<element name="D1" library="SparkFun-DiscreteSemi" package="SOD-323" value="250mA/100V">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="DIO-09646"/>
</element>
<element name="C3" library="adafruit" package="C0402" value="100n">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R12" library="adafruit" package="R0402" value="330">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C15" library="adafruit" package="C0402" value="0.1u">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C16" library="adafruit" package="C0402" value="0.1u">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="J5" library="SparkFun-Connectors" package="SCREWTERMINAL-3.5MM-6" value=""/>
<element name="R13" library="adafruit" package="R0402" value="1M">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C4" library="adafruit" package="C0402" value="4.5n">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
</elements>
<signals>
<signal name="GND">
<contactref element="J1" pad="GND"/>
<contactref element="U2" pad="3"/>
<contactref element="U2" pad="18"/>
<contactref element="U2" pad="29"/>
<contactref element="U$1" pad="5"/>
<contactref element="U$1" pad="15"/>
<contactref element="U$1" pad="23"/>
<contactref element="U$1" pad="35"/>
<contactref element="U$1" pad="43"/>
<contactref element="C1" pad="2"/>
<contactref element="C2" pad="2"/>
<contactref element="U1" pad="3"/>
<contactref element="C5" pad="2"/>
<contactref element="C6" pad="2"/>
<contactref element="C7" pad="2"/>
<contactref element="R6" pad="2"/>
<contactref element="TM1" pad="1"/>
<contactref element="R8" pad="2"/>
<contactref element="C10" pad="2"/>
<contactref element="R9" pad="2"/>
<contactref element="R10" pad="2"/>
<contactref element="J3" pad="6"/>
<contactref element="S1" pad="3"/>
<contactref element="Y1" pad="2"/>
<contactref element="C3" pad="2"/>
<contactref element="S1" pad="4"/>
<contactref element="C11" pad="2"/>
<contactref element="C12" pad="2"/>
<contactref element="C14" pad="2"/>
<contactref element="C13" pad="2"/>
<contactref element="C15" pad="2"/>
<contactref element="C16" pad="2"/>
<contactref element="J5" pad="5"/>
<contactref element="J5" pad="3"/>
<contactref element="J5" pad="1"/>
<contactref element="R13" pad="2"/>
<contactref element="C4" pad="2"/>
<contactref element="U$1" pad="33"/>
</signal>
<signal name="12V">
<contactref element="U1" pad="1"/>
<contactref element="C5" pad="1"/>
<contactref element="U2" pad="22"/>
<contactref element="U2" pad="28"/>
<contactref element="C8" pad="1"/>
<contactref element="C15" pad="1"/>
<contactref element="C16" pad="1"/>
<contactref element="J5" pad="6"/>
<contactref element="J5" pad="4"/>
<contactref element="J5" pad="2"/>
</signal>
<signal name="N$3">
<contactref element="U2" pad="26"/>
<contactref element="J2" pad="3"/>
</signal>
<signal name="N$4">
<contactref element="U2" pad="1"/>
<contactref element="J2" pad="4"/>
</signal>
<signal name="N$5">
<contactref element="U$1" pad="4"/>
<contactref element="R1" pad="1"/>
</signal>
<signal name="N$6">
<contactref element="U$1" pad="3"/>
<contactref element="R2" pad="1"/>
</signal>
<signal name="N$7">
<contactref element="J1" pad="D+"/>
<contactref element="C2" pad="1"/>
<contactref element="R1" pad="2"/>
</signal>
<signal name="N$8">
<contactref element="J1" pad="D-"/>
<contactref element="C1" pad="1"/>
<contactref element="R2" pad="2"/>
</signal>
<signal name="5V">
<contactref element="U1" pad="2"/>
<contactref element="C6" pad="1"/>
<contactref element="U2" pad="15"/>
<contactref element="R4" pad="1"/>
<contactref element="R5" pad="1"/>
<contactref element="R7" pad="1"/>
<contactref element="J3" pad="2"/>
<contactref element="R11" pad="1"/>
<contactref element="FB2" pad="1"/>
<contactref element="FB1" pad="1"/>
<contactref element="D1" pad="C"/>
</signal>
<signal name="V_USB">
<contactref element="J1" pad="VBUS"/>
<contactref element="U$1" pad="7"/>
</signal>
<signal name="MISO">
<contactref element="J3" pad="1"/>
<contactref element="U$1" pad="11"/>
</signal>
<signal name="SCLK">
<contactref element="J3" pad="3"/>
<contactref element="U$1" pad="9"/>
</signal>
<signal name="MOSI">
<contactref element="J3" pad="4"/>
<contactref element="U$1" pad="10"/>
</signal>
<signal name="MS1">
<contactref element="U2" pad="9"/>
<contactref element="U$1" pad="32"/>
</signal>
<signal name="MS2">
<contactref element="U2" pad="10"/>
<contactref element="U$1" pad="31"/>
</signal>
<signal name="MS3">
<contactref element="U2" pad="11"/>
<contactref element="U$1" pad="30"/>
</signal>
<signal name="SLEEP">
<contactref element="U2" pad="14"/>
<contactref element="R4" pad="2"/>
<contactref element="U$1" pad="28"/>
</signal>
<signal name="RESET">
<contactref element="U2" pad="12"/>
<contactref element="U$1" pad="29"/>
</signal>
<signal name="DIR">
<contactref element="U2" pad="19"/>
<contactref element="U$1" pad="26"/>
</signal>
<signal name="STEP">
<contactref element="U2" pad="16"/>
<contactref element="U$1" pad="27"/>
</signal>
<signal name="EN">
<contactref element="U2" pad="2"/>
<contactref element="R8" pad="1"/>
<contactref element="U$1" pad="25"/>
</signal>
<signal name="N$27">
<contactref element="U2" pad="6"/>
<contactref element="C8" pad="2"/>
</signal>
<signal name="N$29">
<contactref element="U2" pad="4"/>
<contactref element="C9" pad="2"/>
</signal>
<signal name="N$30">
<contactref element="U2" pad="5"/>
<contactref element="C9" pad="1"/>
</signal>
<signal name="N$17">
<contactref element="U2" pad="13"/>
<contactref element="R6" pad="1"/>
<contactref element="R5" pad="2"/>
</signal>
<signal name="N$18">
<contactref element="U2" pad="17"/>
<contactref element="TM1" pad="2"/>
</signal>
<signal name="N$19">
<contactref element="R7" pad="2"/>
<contactref element="TM1" pad="3"/>
</signal>
<signal name="N$20">
<contactref element="U2" pad="8"/>
<contactref element="C10" pad="1"/>
</signal>
<signal name="N$21">
<contactref element="U2" pad="23"/>
<contactref element="R10" pad="1"/>
</signal>
<signal name="N$22">
<contactref element="U2" pad="27"/>
<contactref element="R9" pad="1"/>
</signal>
<signal name="RST">
<contactref element="U$1" pad="13"/>
<contactref element="R11" pad="2"/>
<contactref element="J3" pad="5"/>
<contactref element="D1" pad="A"/>
<contactref element="C3" pad="1"/>
<contactref element="R12" pad="1"/>
</signal>
<signal name="N$9">
<contactref element="Y1" pad="1"/>
<contactref element="U$1" pad="17"/>
</signal>
<signal name="N$10">
<contactref element="U$1" pad="16"/>
<contactref element="Y1" pad="3"/>
</signal>
<signal name="CAP">
<contactref element="U$1" pad="14"/>
<contactref element="U$1" pad="34"/>
<contactref element="FB2" pad="2"/>
<contactref element="C11" pad="1"/>
<contactref element="C12" pad="1"/>
<contactref element="U$1" pad="2"/>
</signal>
<signal name="CAP2">
<contactref element="U$1" pad="24"/>
<contactref element="U$1" pad="44"/>
<contactref element="U$1" pad="42"/>
<contactref element="U$1" pad="6"/>
<contactref element="C7" pad="1"/>
<contactref element="FB1" pad="2"/>
<contactref element="C14" pad="1"/>
<contactref element="C13" pad="1"/>
</signal>
<signal name="N$14">
<contactref element="R12" pad="2"/>
<contactref element="S1" pad="1"/>
<contactref element="S1" pad="2"/>
</signal>
<signal name="N$1">
<contactref element="U2" pad="21"/>
<contactref element="J2" pad="1"/>
</signal>
<signal name="N$2">
<contactref element="U2" pad="24"/>
<contactref element="J2" pad="2"/>
</signal>
<signal name="N$11">
<contactref element="J1" pad="SHLD2"/>
<contactref element="J1" pad="SHLD1"/>
<contactref element="R13" pad="1"/>
<contactref element="C4" pad="1"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
