<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="7.5.0">
<drawing>
<board>
<plain>
<wire x1="0" y1="0" x2="39.04" y2="0" width="0" layer="20"/>
<wire x1="39.04" y1="0" x2="39.04" y2="27.93" width="0" layer="20"/>
<wire x1="39.04" y1="27.93" x2="0" y2="27.93" width="0" layer="20"/>
<wire x1="0" y1="27.93" x2="0" y2="0" width="0" layer="20"/>
<text>GND S4 S3 S2 S1 DIR</text>
<text>GND</text>
<text>3 4 2 1</text>
<text>3 4 2 1</text>
<text>1 2 4 3</text>
<text>1 2 4 3</text>
<text>Spa Electronics</text>
<text>X27 Stepper Driver</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="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="1X06_LONGPADS">
<description>&lt;h3&gt;Plated Through Hole - 6 Pin with Long Pads&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_06&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</description>
</package>
<package name="1X02">
<description>&lt;h3&gt;Plated Through Hole&lt;/h3&gt;
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count:2&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_02&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</description>
</package>
</packages>
</library>
<library name="adafruit">
<packages>
<package name="E2-5">
<description>&lt;b&gt;ELECTROLYTIC CAPACITOR&lt;/b&gt;&lt;p&gt;
grid 2.032 mm, diameter 5 mm</description>
</package>
<package name="C050-030X075">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;&lt;p&gt;
grid 5 mm, outline 3 x 7.5 mm</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="AXIAL-0.3">
<description>&lt;h3&gt;AXIAL-0.3&lt;/h3&gt;
&lt;p&gt;Commonly used for 1/4W through-hole resistors. 0.3" pitch between holes.&lt;/p&gt;</description>
</package>
</packages>
</library>
<library name="spaelectronics">
<description>Spa Electronics Eagle Library</description>
<packages>
<package name="SOP28">
</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">
<description>&lt;h3&gt;Standoff (#4 Screw)&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>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="S1" library="SparkFun-Connectors" package="1X04" value="">
<attribute name="PROD_ID" value="CONN-09696"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="S2" library="SparkFun-Connectors" package="1X04" value="">
<attribute name="PROD_ID" value="CONN-09696"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="S3" library="SparkFun-Connectors" package="1X04" value="">
<attribute name="PROD_ID" value="CONN-09696"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C1" library="adafruit" package="E2-5" value="22uF">
<attribute name="VALUE"/>
</element>
<element name="C2" library="adafruit" package="C050-030X075" value="0.1uF">
<attribute name="VALUE"/>
</element>
<element name="S4" library="SparkFun-Connectors" package="1X04" value="">
<attribute name="PROD_ID" value="CONN-09696"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="J1" library="SparkFun-Connectors" package="1X06_LONGPADS" value="To Arduino"/>
<element name="J6" library="SparkFun-Connectors" package="1X02" value="+5V">
<attribute name="VALUE"/>
</element>
<element name="R1" library="SparkFun-Resistors" package="AXIAL-0.3" value="1k">
<attribute name="PROD_ID" value="RES-08380"/>
<attribute name="VALUE"/>
</element>
<element name="U1" library="spaelectronics" package="SOP28" value="VID6606">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="U$1" library="SparkFun-Hardware" package="STAND-OFF" value="">
<attribute name="VALUE"/>
</element>
<element name="U$2" library="SparkFun-Hardware" package="STAND-OFF" value="">
<attribute name="VALUE"/>
</element>
</elements>
<signals>
<signal name="DIR">
<contactref element="U1" pad="2"/>
<contactref element="U1" pad="13"/>
<contactref element="U1" pad="16"/>
<contactref element="U1" pad="27"/>
<contactref element="J1" pad="1"/>
</signal>
<signal name="5V">
<contactref element="J6" pad="1"/>
<contactref element="C1" pad="+"/>
<contactref element="C2" pad="1"/>
<contactref element="R1" pad="P$2"/>
<contactref element="U1" pad="15"/>
<contactref element="U1" pad="1"/>
</signal>
<signal name="GND">
<contactref element="J6" pad="2"/>
<contactref element="C1" pad="-"/>
<contactref element="C2" pad="2"/>
<contactref element="J1" pad="6"/>
<contactref element="U1" pad="12"/>
</signal>
<signal name="N$2">
<contactref element="R1" pad="P$1"/>
<contactref element="U1" pad="26"/>
</signal>
<signal name="ST4">
<contactref element="J1" pad="5"/>
<contactref element="U1" pad="17"/>
</signal>
<signal name="ST3">
<contactref element="J1" pad="4"/>
<contactref element="U1" pad="14"/>
</signal>
<signal name="ST2">
<contactref element="J1" pad="3"/>
<contactref element="U1" pad="3"/>
</signal>
<signal name="ST1">
<contactref element="J1" pad="2"/>
<contactref element="U1" pad="28"/>
</signal>
<signal name="A1">
<contactref element="U1" pad="7"/>
<contactref element="S1" pad="1"/>
</signal>
<signal name="A2">
<contactref element="U1" pad="6"/>
<contactref element="S1" pad="2"/>
</signal>
<signal name="A4">
<contactref element="U1" pad="5"/>
<contactref element="S1" pad="3"/>
</signal>
<signal name="A3">
<contactref element="U1" pad="4"/>
<contactref element="S1" pad="4"/>
</signal>
<signal name="D1">
<contactref element="U1" pad="8"/>
<contactref element="S4" pad="4"/>
</signal>
<signal name="D2">
<contactref element="U1" pad="9"/>
<contactref element="S4" pad="3"/>
</signal>
<signal name="D4">
<contactref element="U1" pad="10"/>
<contactref element="S4" pad="2"/>
</signal>
<signal name="D3">
<contactref element="U1" pad="11"/>
<contactref element="S4" pad="1"/>
</signal>
<signal name="B3">
<contactref element="U1" pad="25"/>
<contactref element="S2" pad="1"/>
</signal>
<signal name="B4">
<contactref element="U1" pad="24"/>
<contactref element="S2" pad="2"/>
</signal>
<signal name="B2">
<contactref element="U1" pad="23"/>
<contactref element="S2" pad="3"/>
</signal>
<signal name="B1">
<contactref element="U1" pad="22"/>
<contactref element="S2" pad="4"/>
</signal>
<signal name="C1">
<contactref element="U1" pad="21"/>
<contactref element="S3" pad="1"/>
</signal>
<signal name="C2">
<contactref element="U1" pad="20"/>
<contactref element="S3" pad="2"/>
</signal>
<signal name="C4">
<contactref element="U1" pad="19"/>
<contactref element="S3" pad="3"/>
</signal>
<signal name="C3">
<contactref element="U1" pad="18"/>
<contactref element="S3" pad="4"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
