<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="7.3.0">
<drawing>
<board>
<plain>
<wire x1="0" y1="0" x2="40" y2="0" width="0" layer="20"/>
<wire x1="40" y1="0" x2="40" y2="50" width="0" layer="20"/>
<wire x1="40" y1="50" x2="0" y2="50" width="0" layer="20"/>
<wire x1="0" y1="50" x2="0" y2="0" width="0" layer="20"/>
<text>MTRA</text>
<text>MTRB</text>
<text>V+</text>
<text>GND</text>
<text>22.75mm</text>
<text>26.5mm</text>
<text>massmind.org</text>
<text>ENB</text>
<text>PWM</text>
<text>GND</text>
<text>LIM</text>
<text>12.25mm</text>
<text>23.5mm</text>
<text>REV1.1</text>
<text>#4/M3
2.75mm from
each edge</text>
<text>V+</text>
<text>GND</text>
<text>MTRA</text>
<text>MTRB</text>
<text>ENB</text>
<text>PWM</text>
<text>DIR</text>
<text>GND</text>
<text>LIM</text>
<text>DIR</text>
<text>DIR</text>
<text>DIR</text>
</plain>
<libraries>
<library name="drv8x">
<packages>
<package name="VQFN24">
</package>
</packages>
</library>
<library name="adafruit">
<packages>
<package name="C0805">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;&lt;p&gt;
chip</description>
</package>
<package name="E5-10,5">
<description>&lt;b&gt;ELECTROLYTIC CAPACITOR&lt;/b&gt;&lt;p&gt;
grid 5.08 mm, diameter 10.5 mm</description>
</package>
<package name="R0805">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
chip</description>
</package>
<package name="R2512">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
chip</description>
</package>
<package name="TO220V">
<description>&lt;b&gt;TO 200 vertical&lt;/b&gt;</description>
</package>
<package name="CHIPLED_0805">
<description>&lt;b&gt;CHIPLED&lt;/b&gt;&lt;p&gt;
Source: http://www.osram.convergy.de/ ... LG_R971.pdf</description>
</package>
<package name="TC33X">
</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-5MM-2">
</package>
<package name="2X5-SHROUDED">
</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="STAND-OFF">
<description>&lt;b&gt;Stand Off&lt;/b&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. SKU : PRT-00447</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="PAD.03X.05">
</package>
<package name="PAD-JUMPER-2-NO_NO_SILK">
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="8701" library="drv8x" package="VQFN24" value="DRV8701">
<attribute name="VALUE"/>
</element>
<element name="C4" library="adafruit" package="C0805" value="1u">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C5" library="adafruit" package="C0805" value="1u">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C7" library="adafruit" package="E5-10,5" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C1" library="adafruit" package="C0805" value="1u">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C3" library="adafruit" package="C0805" value="100n">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C2" library="adafruit" package="C0805" value="100n">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="MTR" library="SparkFun-Connectors" package="SCREWTERMINAL-5MM-2" value="M025MM">
<attribute name="STOREFRONT_ID" value="PRT-08432"/>
<attribute name="VALUE"/>
</element>
<element name="PSU" library="SparkFun-Connectors" package="SCREWTERMINAL-5MM-2" value="M025MM">
<attribute name="STOREFRONT_ID" value="PRT-08432"/>
<attribute name="VALUE"/>
</element>
<element name="R2" library="adafruit" package="R0805" value="200k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R3" library="adafruit" package="R0805" value="68k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="RSENSE" library="adafruit" package="R2512" value="0.005">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="JP1" library="SparkFun-Connectors" package="2X5-SHROUDED" value="M05X2SHD">
<attribute name="VALUE"/>
<attribute name="NAME"/>
</element>
<element name="Q1" library="adafruit" package="TO220V" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="Q2" library="adafruit" package="TO220V" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="Q3" library="adafruit" package="TO220V" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="Q4" library="adafruit" package="TO220V" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R4" library="adafruit" package="R0805" value="68k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C6" library="adafruit" package="C0805" value="100n">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="STANDOFF1" library="SparkFun-Electromechanical" package="STAND-OFF" value="STAND-OFF"/>
<element name="R1" library="adafruit" package="R0805" value="1k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="PWR" library="adafruit" package="CHIPLED_0805" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="STANDOFF3" library="SparkFun-Electromechanical" package="STAND-OFF" value="STAND-OFF"/>
<element name="R5" library="adafruit" package="R0805" value="1k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="ERR" library="adafruit" package="CHIPLED_0805" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="TM1" library="adafruit" package="TC33X" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="STANDOFF2" library="SparkFun-Electromechanical" package="STAND-OFF" value="STAND-OFF"/>
<element name="STANDOFF4" library="SparkFun-Electromechanical" package="STAND-OFF" value="STAND-OFF"/>
<element name="TP1" library="SparkFun-Passives" package="PAD.03X.05" value="TEST-POINT3X5"/>
<element name="SJ1" library="SparkFun-Passives" package="PAD-JUMPER-2-NO_NO_SILK" value="JUMPER-PAD-2-NO">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
</elements>
<signals>
<signal name="GND">
<contactref element="RSENSE" pad="1"/>
<contactref element="8701" pad="SN"/>
<contactref element="C7" pad="-"/>
<contactref element="PSU" pad="2"/>
<contactref element="8701" pad="GND@1"/>
<contactref element="R2" pad="1"/>
<contactref element="JP1" pad="7"/>
<contactref element="JP1" pad="8"/>
<contactref element="JP1" pad="6"/>
<contactref element="JP1" pad="4"/>
<contactref element="JP1" pad="2"/>
<contactref element="JP1" pad="10"/>
<contactref element="C5" pad="2"/>
<contactref element="C4" pad="2"/>
<contactref element="8701" pad="GND@3"/>
<contactref element="8701" pad="GND@2"/>
<contactref element="C3" pad="2"/>
<contactref element="C6" pad="2"/>
<contactref element="PWR" pad="C"/>
<contactref element="TM1" pad="1"/>
</signal>
<signal name="N$3">
<contactref element="8701" pad="SH2"/>
<contactref element="MTR" pad="2"/>
<contactref element="Q1" pad="3"/>
<contactref element="Q2" pad="2"/>
</signal>
<signal name="N$1">
<contactref element="8701" pad="GL1"/>
<contactref element="Q3" pad="1"/>
</signal>
<signal name="N$4">
<contactref element="8701" pad="GH2"/>
<contactref element="Q1" pad="1"/>
</signal>
<signal name="N$6">
<contactref element="8701" pad="GL2"/>
<contactref element="Q2" pad="1"/>
</signal>
<signal name="N$5">
<contactref element="8701" pad="SP"/>
<contactref element="RSENSE" pad="2"/>
<contactref element="Q2" pad="3"/>
<contactref element="Q3" pad="3"/>
</signal>
<signal name="N$7">
<contactref element="8701" pad="GH1"/>
<contactref element="Q4" pad="1"/>
</signal>
<signal name="N$11">
<contactref element="8701" pad="VCP"/>
<contactref element="C1" pad="2"/>
</signal>
<signal name="N$12">
<contactref element="8701" pad="CPL"/>
<contactref element="C2" pad="2"/>
</signal>
<signal name="N$13">
<contactref element="8701" pad="CPH"/>
<contactref element="C2" pad="1"/>
</signal>
<signal name="N$21">
<contactref element="R2" pad="2"/>
<contactref element="8701" pad="IDRIVE"/>
<contactref element="R3" pad="2"/>
</signal>
<signal name="N$17">
<contactref element="C5" pad="1"/>
<contactref element="8701" pad="DVDD"/>
<contactref element="R5" pad="2"/>
<contactref element="R1" pad="2"/>
</signal>
<signal name="N$23">
<contactref element="C7" pad="+"/>
<contactref element="8701" pad="VM"/>
<contactref element="C1" pad="1"/>
<contactref element="C3" pad="1"/>
<contactref element="PSU" pad="1"/>
<contactref element="Q1" pad="2"/>
<contactref element="Q4" pad="2"/>
</signal>
<signal name="N$10">
<contactref element="8701" pad="VREF"/>
<contactref element="C6" pad="1"/>
<contactref element="R4" pad="2"/>
<contactref element="TP1" pad="P$1"/>
</signal>
<signal name="ILIM">
<contactref element="JP1" pad="9"/>
<contactref element="TM1" pad="3"/>
<contactref element="SJ1" pad="1"/>
</signal>
<signal name="N$8">
<contactref element="PWR" pad="A"/>
<contactref element="R1" pad="1"/>
</signal>
<signal name="N$14">
<contactref element="ERR" pad="A"/>
<contactref element="R5" pad="1"/>
</signal>
<signal name="N$15">
<contactref element="ERR" pad="C"/>
<contactref element="8701" pad="FAULT"/>
</signal>
<signal name="DIR">
<contactref element="8701" pad="PH"/>
<contactref element="JP1" pad="5"/>
</signal>
<signal name="STEP">
<contactref element="8701" pad="EN"/>
<contactref element="JP1" pad="3"/>
</signal>
<signal name="N$9">
<contactref element="8701" pad="SH1"/>
<contactref element="MTR" pad="1"/>
<contactref element="Q3" pad="2"/>
<contactref element="Q4" pad="3"/>
</signal>
<signal name="ENB">
<contactref element="8701" pad="SLEEP"/>
<contactref element="JP1" pad="1"/>
</signal>
<signal name="N$18">
<contactref element="R3" pad="1"/>
<contactref element="C4" pad="1"/>
<contactref element="8701" pad="AVDD"/>
<contactref element="SJ1" pad="2"/>
</signal>
<signal name="N$2">
<contactref element="TM1" pad="2"/>
<contactref element="R4" pad="1"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
