<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="7.2.0">
<drawing>
<board>
<plain>
<wire x1="0" y1="72.4601875" x2="0" y2="14.828425" width="0" layer="20"/>
<wire x1="0" y1="14.828425" x2="2.828425" y2="12" width="0" layer="20" curve="90"/>
<wire x1="2.828425" y1="12" x2="57.171575" y2="12" width="0" layer="20"/>
<wire x1="57.171575" y1="12" x2="60" y2="14.828425" width="0" layer="20" curve="90"/>
<wire x1="60" y1="14.828425" x2="60" y2="34.3125" width="0" layer="20"/>
<wire x1="60" y1="34.3125" x2="58.75" y2="34.3125" width="0" layer="20"/>
<wire x1="58.75" y1="34.3125" x2="58.75" y2="40.8125" width="0" layer="20"/>
<wire x1="58.75" y1="40.8125" x2="60" y2="40.8125" width="0" layer="20"/>
<wire x1="60" y1="40.8125" x2="60" y2="72.171575" width="0" layer="20"/>
<wire x1="60" y1="72.171575" x2="57.171575" y2="75.6" width="0" layer="20" curve="90"/>
<wire x1="57.171575" y1="75.6" x2="2.9398125" y2="75.6" width="0" layer="20"/>
<wire x1="2.9398125" y1="75.6" x2="0" y2="72.4601875" width="0" layer="20" curve="90"/>
<text>Stackduino 2.2</text>
<text>A4988 Carrier</text>
<text>GND</text>
<text>V+</text>
<text>BATT SENSE</text>
<text>(12v MAX)</text>
<text>1</text>
<text>1</text>
<text>1</text>
<text>1</text>
<text>1</text>
<text>1</text>
<text>1</text>
<text>4</text>
<text>4</text>
<text>3</text>
<text>5</text>
<text>10</text>
<text>2</text>
<text>2</text>
<text>o</text>
<text>1</text>
<text>2</text>
<text>*</text>
<text>*</text>
<text>BATT</text>
</plain>
<libraries>
<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; CC v3.0 Share-Alike 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>
<package name="SSOP28DB">
<description>&lt;b&gt;Small Shrink Outline Package&lt;/b&gt;</description>
</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; CC v3.0 Share-Alike 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="DB15">
</package>
<package name="USB-MINIB">
<description>&lt;b&gt;USB Series Mini-B Surface Mounted&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="adafruit">
<packages>
<package name="SSOP28">
<description>&lt;b&gt;Shrink Small Outline Package&lt;/b&gt;&lt;p&gt;
package type SS</description>
</package>
<package name="PJ-102A">
</package>
</packages>
</library>
<library name="LTC_By_element14_Batch_1">
<description>Developed by element14 :&lt;br&gt;
element14 CAD Library consolidation.ulp
at 30/07/2012 10:08:22</description>
<packages>
<package name="SOT65P280X100-8N">
</package>
<package name="SOT95P280X100-6N">
</package>
</packages>
</library>
<library name="v-reg-3">
<description>&lt;b&gt;Voltage Regulators&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;&lt;/p&gt;
&lt;p&gt;&lt;date&gt;2008-05-16&lt;/date&gt;, updates by &lt;author&gt;Eike Schmidt&lt;/author&gt;&lt;/p&gt;&lt;ul&gt;&lt;li&gt;integrated library "ltc_swr.lbr" with switching regulators from &lt;a href=http://www.linear.com&gt;Linear Technology&lt;/a&gt;, created by &lt;author&gt;Claudius Stern&lt;/author&gt;&lt;/li&gt;&lt;li&gt;added step-down switching regulator LT1767&lt;/li&gt;&lt;li&gt;combined identical symbols for positive regulators&lt;/li&gt;&lt;li&gt;added packages SO8 and SOT89 for 78Lxx and 79Lxx&lt;/li&gt;&lt;li&gt;added package SO8 for LM317L and LM337L&lt;/li&gt;&lt;li&gt;added linear regulators L4931, L4949E, LM2931&lt;/li&gt;&lt;li&gt;added micropower, ultra-low dropout family LP298x&lt;/li&gt;&lt;li&gt;added ultra-low dropout regulators IRU1205, TK112, TK113&lt;/li&gt;&lt;li&gt;added low power, low dropout regulator family S-812&lt;/li&gt;&lt;li&gt;added NPN "Simple Switcher"(c) family LM257x&lt;/li&gt;&lt;li&gt;added DMOS "Simple Switcher"(c) family LM267x&lt;/li&gt;&lt;li&gt;added NPN Darlington switching regulator MC34063A&lt;/li&gt;&lt;li&gt;added LED boost drivers PR4401, PR4402, PR4403&lt;/li&gt;&lt;/ul&gt;</description>
<packages>
<package name="SO08">
<description>&lt;b&gt;SMALL OUTLINE INTEGRATED CIRCUIT&lt;/b&gt;&lt;p&gt;
body 3.9 mm/JEDEC MS-012AA</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; CC v3.0 Share-Alike 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="PANASONIC_D">
</package>
</packages>
</library>
<library name="SparkFun-DiscreteSemi">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
In this library you'll find discrete semiconductors- transistors, diodes, TRIACs, optoisolators, 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; CC v3.0 Share-Alike 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="SMA-DIODE">
<description>&lt;B&gt;Diode&lt;/B&gt;&lt;p&gt;
Basic SMA packaged diode. Good for reverse polarization protection. Common part #: MBRA140</description>
</package>
</packages>
</library>
<library name="optocoupler">
<description>&lt;b&gt;Opto Couplers&lt;/b&gt;&lt;p&gt;
Siemens, Hewlett-Packard, Texas Instuments, Sharp, Motorola&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="SMD4">
<description>&lt;b&gt;SMD 4&lt;/b&gt;&lt;p&gt;
Source: http://www.vishay.com/docs/83673/sfh618.pdf</description>
</package>
</packages>
</library>
<library name="RepRapjr">
<packages>
<package name="A4988BREAKOUT">
</package>
</packages>
</library>
<library name="eagle-ltspice">
<description>Default symbols for import LTspice schematics&lt;p&gt;
2012-10-29 alf@cadsoft.de&lt;br&gt;</description>
<packages>
<package name="R0805">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;</description>
</package>
<package name="C0805">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;&lt;p&gt;</description>
</package>
</packages>
</library>
<library name="inductor-coilcraft">
<description>&lt;b&gt;Coilcraft SMD Inductors&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="DO3316P">
<description>&lt;b&gt;COILCRAFT&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="HC49U-V">
<description>&lt;b&gt;CRYSTAL&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="SRG">
<description>Components Scott made</description>
<packages>
<package name="JST_B3B-PH_HEADER">
<description>3-pin JST PH Shrouded Header &lt;br&gt;
2.0mm pitch &lt;br&gt;
P/N B3B-PH-K-S.  Mating plug PHR-3 &lt;br&gt;</description>
</package>
</packages>
</library>
<library name="holes">
<description>&lt;b&gt;Mounting Holes and Pads&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="2,8-PAD">
<description>&lt;b&gt;MOUNTING PAD&lt;/b&gt; 2.8 mm, round</description>
</package>
</packages>
</library>
<library name="jst-connectors">
<packages>
<package name="B5B-ZR">
</package>
<package name="B3B-ZR">
<description>&lt;b&gt;JST ZH Connector&lt;/b&gt;
Top Entry type&lt;br&gt;
3 pol, 1.5 mm Pitch&lt;br&gt;
Source: &lt;a href="http://www.jst-mfg.com/product/pdf/eng/eZH.pdf"&gt;http://www.jst-mfg.com/product/pdf/eng/eZH.pdf&lt;/a&gt;</description>
</package>
<package name="B4B-ZR">
<description>&lt;b&gt;ZH CONNECTOR&lt;/b&gt;  Top entry type, 1.5 mm, 4 pin 1 row&lt;p&gt;
Source: http://www.jst.com .. eZH.pdf</description>
</package>
<package name="B2B-ZR">
</package>
<package name="B10B-ZR">
</package>
</packages>
</library>
<library name="transistor-power">
<description>&lt;b&gt;Power Transistors&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="SUPER-SOT3">
<description>&lt;b&gt;MOLDED PACKAGE SUPERSOT, 3 LEAD&lt;/b&gt; MKT-MAO3B&lt;p&gt;
Source: http://www.fairchildsemi.com/dwg/MA/MA03B.pdf</description>
</package>
</packages>
</library>
<library name="transistor-small-signal">
<description>&lt;b&gt;Small Signal Transistors&lt;/b&gt;&lt;p&gt;
Packages from :&lt;br&gt;
www.infineon.com; &lt;br&gt;
www.semiconductors.com;&lt;br&gt;
www.irf.com&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="SOT23">
<description>&lt;b&gt;SOT-23&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="dp_devices">
<description>Dangerous Prototypes Standard PCB sizes
http://dangerousprototypes.com</description>
<packages>
<package name="CON_MICROSD_HINGED">
</package>
</packages>
</library>
<library name="pinhead">
<description>&lt;b&gt;Pin Header Connectors&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="1X02">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="ATMEGA328P" library="SparkFun-DigitalIC" package="TQFP32-08" value="ATMEGA328P">
<attribute name="PROD_ID" value="IC-09069"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="DB15" library="SparkFun-Connectors" package="DB15" value="DB15">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="FT232RL" library="SparkFun-DigitalIC" package="SSOP28DB" value="FT232RLSSOP">
<attribute name="PROD_ID" value="IC-00870"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="MCP23017" library="adafruit" package="SSOP28" value="MCP23017SS">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="USB" library="SparkFun-Connectors" package="USB-MINIB" value="USBSMD">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="LTC2950" library="LTC_By_element14_Batch_1" package="SOT65P280X100-8N" value="LTC2950CTS8-1TRPBF">
<attribute name="PACKAGE" value="TSOT-23-8"/>
<attribute name="OC_NEWARK" value="56M7180"/>
<attribute name="MPN" value="LTC2950CTS8-1#TRPBF"/>
<attribute name="SUPPLIER" value="Linear Technology"/>
<attribute name="OC_FARNELL" value="1537418"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="LM2675-3.3" library="v-reg-3" package="SO08" value="LM2675M">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="LTC4412" library="LTC_By_element14_Batch_1" package="SOT95P280X100-6N" value="LTC4412ES6PBF">
<attribute name="PACKAGE" value="TSOT-23-6"/>
<attribute name="OC_NEWARK" value="61M3335"/>
<attribute name="MPN" value="LTC4412ES6#PBF"/>
<attribute name="SUPPLIER" value="Linear Technology"/>
<attribute name="OC_FARNELL" value="1531480"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C4" library="eagle-ltspice" package="C0805" value="10nF">
<attribute name="SPICEMODEL" value="NONE"/>
<attribute name="SPICEPREFIX" value="C"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="L1" library="inductor-coilcraft" package="DO3316P" value="33uH - Coilcraft DO3316">
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="D1" library="SparkFun-DiscreteSemi" package="SMA-DIODE" value="20v 1A">
<attribute name="PROD_ID" value="DIO-08053"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="D2" library="SparkFun-DiscreteSemi" package="SMA-DIODE" value="20v 1A">
<attribute name="PROD_ID" value="DIO-08053"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C11" library="eagle-ltspice" package="C0805" value="0.1uF">
<attribute name="SPICEMODEL" value="NONE"/>
<attribute name="SPICEPREFIX" value="C"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R9" library="eagle-ltspice" package="R0805" value="10K">
<attribute name="NAME"/>
<attribute name="VALUE"/>
<attribute name="SPICEMODEL" value="NONE"/>
<attribute name="SPICEPREFIX" value="R"/>
</element>
<element name="R13" library="eagle-ltspice" package="R0805" value="100K">
<attribute name="SPICEMODEL" value="NONE"/>
<attribute name="SPICEPREFIX" value="R"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R2" library="eagle-ltspice" package="R0805" value="220 Ohm">
<attribute name="NAME"/>
<attribute name="VALUE"/>
<attribute name="SPICEMODEL" value="NONE"/>
<attribute name="SPICEPREFIX" value="R"/>
</element>
<element name="R1" library="eagle-ltspice" package="R0805" value="220 Ohm">
<attribute name="NAME"/>
<attribute name="VALUE"/>
<attribute name="SPICEMODEL" value="NONE"/>
<attribute name="SPICEPREFIX" value="R"/>
</element>
<element name="DC_SOCKET" library="adafruit" package="PJ-102A" value="2.1MMJACKTHM"/>
<element name="R6" library="eagle-ltspice" package="R0805" value="4.7K">
<attribute name="NAME"/>
<attribute name="VALUE"/>
<attribute name="SPICEMODEL" value="NONE"/>
<attribute name="SPICEPREFIX" value="R"/>
</element>
<element name="C13" library="eagle-ltspice" package="C0805" value="100nF">
<attribute name="SPICEMODEL" value="NONE"/>
<attribute name="SPICEPREFIX" value="C"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="OPT2" library="optocoupler" package="SMD4" value="AVAGO HCPL-181-00BE">
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="OPT1" library="optocoupler" package="SMD4" value="AVAGO HCPL-181-00BE">
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R7" library="eagle-ltspice" package="R0805" value="4.7K">
<attribute name="NAME"/>
<attribute name="VALUE"/>
<attribute name="SPICEMODEL" value="NONE"/>
<attribute name="SPICEPREFIX" value="R"/>
</element>
<element name="C10" library="SparkFun-Passives" package="PANASONIC_D" value="100uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C2" library="eagle-ltspice" package="C0805" value="0.1uF">
<attribute name="SPICEMODEL" value="NONE"/>
<attribute name="SPICEPREFIX" value="C"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C7" library="eagle-ltspice" package="C0805" value="0.1uF">
<attribute name="SPICEMODEL" value="NONE"/>
<attribute name="SPICEPREFIX" value="C"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="A4988_CARRIER" library="RepRapjr" package="A4988BREAKOUT" value="A4988BREAKOUT"/>
<element name="R12" library="eagle-ltspice" package="R0805" value="100K">
<attribute name="SPICEMODEL" value="NONE"/>
<attribute name="SPICEPREFIX" value="R"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C12" library="eagle-ltspice" package="C0805" value="0.1uF">
<attribute name="SPICEMODEL" value="NONE"/>
<attribute name="SPICEPREFIX" value="C"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C9" library="SparkFun-Passives" package="PANASONIC_D" value="100uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C8" library="SparkFun-Passives" package="PANASONIC_D" value="100uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="QF1" library="crystal" package="HC49U-V" value="8Mhz">
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="1666969"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C6" library="eagle-ltspice" package="C0805" value="22pF">
<attribute name="SPICEMODEL" value="NONE"/>
<attribute name="SPICEPREFIX" value="C"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C14" library="eagle-ltspice" package="C0805" value="22uF">
<attribute name="SPICEMODEL" value="NONE"/>
<attribute name="SPICEPREFIX" value="C"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="H_6" library="jst-connectors" package="B2B-ZR" value="B2B-ZR">
<attribute name="NAME"/>
</element>
<element name="H_8" library="jst-connectors" package="B2B-ZR" value="B2B-ZR">
<attribute name="NAME"/>
</element>
<element name="R14" library="eagle-ltspice" package="R0805" value="100K">
<attribute name="SPICEMODEL" value="NONE"/>
<attribute name="SPICEPREFIX" value="R"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R11" library="eagle-ltspice" package="R0805" value="10K">
<attribute name="SPICEMODEL" value="NONE"/>
<attribute name="SPICEPREFIX" value="R"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="BATT_IN" library="SRG" package="JST_B3B-PH_HEADER" value="JST-PH_3-PIN_HEADER"/>
<element name="R8" library="eagle-ltspice" package="R0805" value="10K">
<attribute name="SPICEMODEL" value="NONE"/>
<attribute name="SPICEPREFIX" value="R"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R4" library="eagle-ltspice" package="R0805" value="2.7K">
<attribute name="SPICEMODEL" value="NONE"/>
<attribute name="SPICEPREFIX" value="R"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R10" library="eagle-ltspice" package="R0805" value="10K">
<attribute name="SPICEMODEL" value="NONE"/>
<attribute name="SPICEPREFIX" value="R"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="H_3" library="jst-connectors" package="B3B-ZR" value="B3B-ZR">
<attribute name="NAME"/>
</element>
<element name="H2" library="holes" package="2,8-PAD" value="MOUNT-PAD-ROUND2.8"/>
<element name="H1" library="holes" package="2,8-PAD" value="MOUNT-PAD-ROUND2.8"/>
<element name="H3" library="holes" package="2,8-PAD" value="MOUNT-PAD-ROUND2.8"/>
<element name="H4" library="holes" package="2,8-PAD" value="MOUNT-PAD-ROUND2.8"/>
<element name="H_4" library="jst-connectors" package="B5B-ZR" value="B5B-ZR">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C1" library="eagle-ltspice" package="C0805" value="22pF">
<attribute name="SPICEMODEL" value="NONE"/>
<attribute name="SPICEPREFIX" value="C"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="H_2" library="jst-connectors" package="B4B-ZR" value="B4B-ZR">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R5" library="eagle-ltspice" package="R0805" value="10K">
<attribute name="SPICEMODEL" value="NONE"/>
<attribute name="SPICEPREFIX" value="R"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="H_1" library="jst-connectors" package="B4B-ZR" value="B4B-ZR">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="J1" library="eagle-ltspice" package="R0805" value="JUMPER">
<attribute name="SPICEMODEL" value="NONE"/>
<attribute name="SPICEPREFIX" value="R"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C3" library="eagle-ltspice" package="C0805" value="0.1uF">
<attribute name="SPICEMODEL" value="NONE"/>
<attribute name="SPICEPREFIX" value="C"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R3" library="eagle-ltspice" package="R0805" value="100K">
<attribute name="SPICEMODEL" value="NONE"/>
<attribute name="SPICEPREFIX" value="R"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="MP1" library="transistor-power" package="SUPER-SOT3" value="FDN306P">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="MP2" library="transistor-power" package="SUPER-SOT3" value="FDN306P">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C15" library="eagle-ltspice" package="C0805" value="10nF">
<attribute name="SPICEMODEL" value="NONE"/>
<attribute name="SPICEPREFIX" value="C"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C5" library="eagle-ltspice" package="C0805" value="0.1uF">
<attribute name="SPICEMODEL" value="NONE"/>
<attribute name="SPICEPREFIX" value="C"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="MN1" library="transistor-small-signal" package="SOT23" value="BSS123">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="MP3" library="transistor-power" package="SUPER-SOT3" value="FDN340P">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="H_5" library="jst-connectors" package="B10B-ZR" value="B10B-ZR">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="MICROSD" library="dp_devices" package="CON_MICROSD_HINGED" value="CON_MICROSDHINGED">
<attribute name="NAME"/>
</element>
<element name="H_7" library="jst-connectors" package="B2B-ZR" value="B2B-ZR">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R15" library="eagle-ltspice" package="R0805" value="100K">
<attribute name="SPICEMODEL" value="NONE"/>
<attribute name="SPICEPREFIX" value="R"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="J2" library="pinhead" package="1X02" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
</elements>
<signals>
<signal name="VCC">
<contactref element="R13" pad="1"/>
<contactref element="ATMEGA328P" pad="6"/>
<contactref element="ATMEGA328P" pad="4"/>
<contactref element="ATMEGA328P" pad="18"/>
<contactref element="R9" pad="2"/>
<contactref element="C2" pad="1"/>
<contactref element="MCP23017" pad="9"/>
<contactref element="C7" pad="2"/>
<contactref element="R12" pad="2"/>
<contactref element="A4988_CARRIER" pad="VDD"/>
<contactref element="C12" pad="1"/>
<contactref element="R6" pad="1"/>
<contactref element="R7" pad="2"/>
<contactref element="L1" pad="2"/>
<contactref element="LM2675-3.3" pad="4"/>
<contactref element="C8" pad="+"/>
<contactref element="R14" pad="2"/>
<contactref element="R11" pad="2"/>
<contactref element="R5" pad="1"/>
<contactref element="MP2" pad="2"/>
<contactref element="H_5" pad="10"/>
<contactref element="H_7" pad="1"/>
<contactref element="R15" pad="2"/>
<contactref element="MICROSD" pad="4"/>
</signal>
<signal name="GND">
<contactref element="LM2675-3.3" pad="6"/>
<contactref element="LM2675-3.3" pad="6"/>
<contactref element="D1" pad="A"/>
<contactref element="LTC2950" pad="4"/>
<contactref element="LTC4412" pad="2"/>
<contactref element="LTC4412" pad="3"/>
<contactref element="ATMEGA328P" pad="5"/>
<contactref element="ATMEGA328P" pad="3"/>
<contactref element="ATMEGA328P" pad="21"/>
<contactref element="FT232RL" pad="21"/>
<contactref element="FT232RL" pad="18"/>
<contactref element="FT232RL" pad="7"/>
<contactref element="FT232RL" pad="25"/>
<contactref element="USB" pad="GND"/>
<contactref element="DB15" pad="5"/>
<contactref element="DC_SOCKET" pad="RING"/>
<contactref element="MCP23017" pad="15"/>
<contactref element="MCP23017" pad="16"/>
<contactref element="MCP23017" pad="17"/>
<contactref element="C13" pad="2"/>
<contactref element="OPT1" pad="2"/>
<contactref element="OPT2" pad="2"/>
<contactref element="C10" pad="-"/>
<contactref element="C2" pad="2"/>
<contactref element="C7" pad="1"/>
<contactref element="C12" pad="2"/>
<contactref element="DC_SOCKET" pad="RING_SW"/>
<contactref element="C9" pad="-"/>
<contactref element="C8" pad="-"/>
<contactref element="C6" pad="2"/>
<contactref element="C14" pad="2"/>
<contactref element="DB15" pad="10"/>
<contactref element="FT232RL" pad="26"/>
<contactref element="MCP23017" pad="10"/>
<contactref element="R4" pad="1"/>
<contactref element="R10" pad="1"/>
<contactref element="BATT_IN" pad="P3"/>
<contactref element="H_6" pad="2"/>
<contactref element="H2" pad="B2,8"/>
<contactref element="H4" pad="B2,8"/>
<contactref element="H1" pad="B2,8"/>
<contactref element="H3" pad="B2,8"/>
<contactref element="H_4" pad="4"/>
<contactref element="H_4" pad="2"/>
<contactref element="C1" pad="2"/>
<contactref element="H_8" pad="1"/>
<contactref element="C3" pad="1"/>
<contactref element="C15" pad="1"/>
<contactref element="MN1" pad="2"/>
<contactref element="A4988_CARRIER" pad="GND@0"/>
<contactref element="A4988_CARRIER" pad="GND@0"/>
<contactref element="A4988_CARRIER" pad="GND"/>
<contactref element="A4988_CARRIER" pad="GND"/>
<contactref element="H_5" pad="1"/>
<contactref element="MICROSD" pad="6"/>
<contactref element="H_7" pad="2"/>
<contactref element="H_1" pad="1"/>
<contactref element="H_2" pad="1"/>
<contactref element="H_2" pad="3"/>
</signal>
<signal name="N$5">
<contactref element="USB" pad="D-"/>
<contactref element="FT232RL" pad="16"/>
</signal>
<signal name="N$6">
<contactref element="USB" pad="D+"/>
<contactref element="FT232RL" pad="15"/>
</signal>
<signal name="LM2675_ENABLE">
<contactref element="LTC2950" pad="6"/>
<contactref element="LM2675-3.3" pad="5"/>
</signal>
<signal name="LM2675_CB">
<contactref element="LM2675-3.3" pad="1"/>
<contactref element="C4" pad="1"/>
</signal>
<signal name="LM2675_OUT">
<contactref element="LM2675-3.3" pad="8"/>
<contactref element="C4" pad="2"/>
<contactref element="L1" pad="1"/>
<contactref element="D1" pad="C"/>
</signal>
<signal name="PBUTTON">
<contactref element="LTC2950" pad="2"/>
<contactref element="H_8" pad="2"/>
</signal>
<signal name="BATTVIN">
<contactref element="LTC4412" pad="1"/>
<contactref element="J1" pad="2"/>
<contactref element="MP3" pad="3"/>
<contactref element="BATT_IN" pad="P1"/>
</signal>
<signal name="GATE">
<contactref element="LTC4412" pad="5"/>
<contactref element="MP3" pad="1"/>
</signal>
<signal name="MCU_RX">
<contactref element="ATMEGA328P" pad="30"/>
<contactref element="FT232RL" pad="1"/>
<contactref element="H_1" pad="2"/>
</signal>
<signal name="N$3">
<contactref element="FT232RL" pad="2"/>
<contactref element="C11" pad="2"/>
</signal>
<signal name="RESET">
<contactref element="ATMEGA328P" pad="29"/>
<contactref element="R9" pad="1"/>
<contactref element="C11" pad="1"/>
<contactref element="H_5" pad="9"/>
</signal>
<signal name="XTAL2">
<contactref element="ATMEGA328P" pad="8"/>
<contactref element="QF1" pad="2"/>
<contactref element="C1" pad="1"/>
</signal>
<signal name="XTAL1">
<contactref element="ATMEGA328P" pad="7"/>
<contactref element="QF1" pad="1"/>
<contactref element="C6" pad="1"/>
</signal>
<signal name="MCP_INT">
<contactref element="MCP23017" pad="19"/>
<contactref element="ATMEGA328P" pad="32"/>
</signal>
<signal name="I2C_SCL">
<contactref element="MCP23017" pad="12"/>
<contactref element="ATMEGA328P" pad="28"/>
<contactref element="R7" pad="1"/>
<contactref element="H_5" pad="2"/>
</signal>
<signal name="I2C_SDA">
<contactref element="ATMEGA328P" pad="27"/>
<contactref element="MCP23017" pad="13"/>
<contactref element="R6" pad="2"/>
<contactref element="H_5" pad="3"/>
</signal>
<signal name="SS_1">
<contactref element="ATMEGA328P" pad="14"/>
<contactref element="MICROSD" pad="2"/>
</signal>
<signal name="SS_3">
<contactref element="ATMEGA328P" pad="12"/>
<contactref element="H_5" pad="4"/>
</signal>
<signal name="SS_2">
<contactref element="ATMEGA328P" pad="13"/>
<contactref element="H_5" pad="5"/>
</signal>
<signal name="SCK">
<contactref element="ATMEGA328P" pad="17"/>
<contactref element="H_5" pad="8"/>
<contactref element="MICROSD" pad="5"/>
</signal>
<signal name="MISO">
<contactref element="ATMEGA328P" pad="16"/>
<contactref element="H_5" pad="7"/>
<contactref element="MICROSD" pad="7"/>
</signal>
<signal name="MOSI">
<contactref element="ATMEGA328P" pad="15"/>
<contactref element="H_5" pad="6"/>
<contactref element="MICROSD" pad="3"/>
</signal>
<signal name="START_STOP">
<contactref element="ATMEGA328P" pad="1"/>
<contactref element="H_6" pad="1"/>
</signal>
<signal name="ENC_A">
<contactref element="ATMEGA328P" pad="23"/>
<contactref element="H_4" pad="1"/>
</signal>
<signal name="ENC_B">
<contactref element="ATMEGA328P" pad="24"/>
<contactref element="H_4" pad="3"/>
</signal>
<signal name="OUT1A">
<contactref element="DB15" pad="1"/>
<contactref element="A4988_CARRIER" pad="1B"/>
</signal>
<signal name="OUT1B">
<contactref element="DB15" pad="2"/>
<contactref element="A4988_CARRIER" pad="1A"/>
</signal>
<signal name="OUT2A">
<contactref element="DB15" pad="3"/>
<contactref element="A4988_CARRIER" pad="2A"/>
</signal>
<signal name="OUT2B">
<contactref element="DB15" pad="4"/>
<contactref element="A4988_CARRIER" pad="2B"/>
</signal>
<signal name="ALOG2">
<contactref element="DB15" pad="7"/>
<contactref element="ATMEGA328P" pad="22"/>
</signal>
<signal name="FWD">
<contactref element="MCP23017" pad="21"/>
<contactref element="H_2" pad="4"/>
</signal>
<signal name="BWD">
<contactref element="MCP23017" pad="22"/>
<contactref element="H_2" pad="2"/>
</signal>
<signal name="LIM1">
<contactref element="DB15" pad="13"/>
<contactref element="MCP23017" pad="26"/>
</signal>
<signal name="LIM2">
<contactref element="DB15" pad="14"/>
<contactref element="MCP23017" pad="27"/>
</signal>
<signal name="ENCSWITCH">
<contactref element="H_4" pad="5"/>
<contactref element="MCP23017" pad="3"/>
</signal>
<signal name="INT">
<contactref element="LTC2950" pad="5"/>
<contactref element="R13" pad="2"/>
<contactref element="MCP23017" pad="24"/>
</signal>
<signal name="OPT1_IN">
<contactref element="R2" pad="1"/>
<contactref element="OPT1" pad="1"/>
</signal>
<signal name="OPT2_IN">
<contactref element="R1" pad="1"/>
<contactref element="OPT2" pad="1"/>
</signal>
<signal name="KILL">
<contactref element="MCP23017" pad="25"/>
<contactref element="J2" pad="2"/>
</signal>
<signal name="DIG1">
<contactref element="MCP23017" pad="1"/>
<contactref element="DB15" pad="12"/>
</signal>
<signal name="DIG2">
<contactref element="MCP23017" pad="2"/>
<contactref element="DB15" pad="11"/>
</signal>
<signal name="MS1">
<contactref element="MCP23017" pad="4"/>
<contactref element="A4988_CARRIER" pad="MS1"/>
</signal>
<signal name="MS2">
<contactref element="MCP23017" pad="5"/>
<contactref element="A4988_CARRIER" pad="MS2"/>
</signal>
<signal name="DIR">
<contactref element="ATMEGA328P" pad="2"/>
<contactref element="A4988_CARRIER" pad="DIR"/>
</signal>
<signal name="STEP">
<contactref element="ATMEGA328P" pad="9"/>
<contactref element="A4988_CARRIER" pad="STEP"/>
</signal>
<signal name="V+">
<contactref element="LTC2950" pad="1"/>
<contactref element="D2" pad="C"/>
<contactref element="LM2675-3.3" pad="7"/>
<contactref element="C9" pad="+"/>
<contactref element="C14" pad="1"/>
<contactref element="A4988_CARRIER" pad="VMOT"/>
<contactref element="C10" pad="+"/>
<contactref element="MP3" pad="2"/>
</signal>
<signal name="ENABLE">
<contactref element="A4988_CARRIER" pad="EN"/>
<contactref element="MCP23017" pad="7"/>
</signal>
<signal name="SLEEP">
<contactref element="A4988_CARRIER" pad="SLP"/>
<contactref element="MCP23017" pad="8"/>
</signal>
<signal name="N$30">
<contactref element="USB" pad="VBUS"/>
<contactref element="FT232RL" pad="20"/>
<contactref element="C15" pad="2"/>
</signal>
<signal name="3V3_SET">
<contactref element="FT232RL" pad="17"/>
<contactref element="C13" pad="1"/>
<contactref element="FT232RL" pad="4"/>
</signal>
<signal name="STAT">
<contactref element="LTC4412" pad="4"/>
<contactref element="MCP23017" pad="23"/>
<contactref element="R15" pad="1"/>
</signal>
<signal name="OPT1">
<contactref element="DB15" pad="8"/>
<contactref element="OPT1" pad="4"/>
<contactref element="H_3" pad="1"/>
</signal>
<signal name="OPT2">
<contactref element="DB15" pad="9"/>
<contactref element="OPT2" pad="4"/>
<contactref element="H_3" pad="3"/>
</signal>
<signal name="MS3">
<contactref element="A4988_CARRIER" pad="MS3"/>
<contactref element="MCP23017" pad="6"/>
</signal>
<signal name="A4988_RESET">
<contactref element="A4988_CARRIER" pad="RST"/>
<contactref element="R12" pad="1"/>
</signal>
<signal name="VIN">
<contactref element="D2" pad="A"/>
<contactref element="DC_SOCKET" pad="TIP"/>
<contactref element="LTC4412" pad="6"/>
</signal>
<signal name="CAM_GND">
<contactref element="OPT2" pad="3"/>
<contactref element="OPT1" pad="3"/>
<contactref element="DB15" pad="15"/>
<contactref element="H_3" pad="2"/>
</signal>
<signal name="MCP_RESET">
<contactref element="MCP23017" pad="18"/>
<contactref element="R11" pad="1"/>
</signal>
<signal name="BLUETOOTH_ENABLE">
<contactref element="MCP23017" pad="28"/>
<contactref element="R5" pad="2"/>
<contactref element="MP2" pad="1"/>
</signal>
<signal name="BATT_VOLT">
<contactref element="J1" pad="1"/>
<contactref element="R3" pad="2"/>
<contactref element="MP1" pad="2"/>
<contactref element="C5" pad="1"/>
<contactref element="BATT_IN" pad="P2"/>
</signal>
<signal name="BATT_SENSE">
<contactref element="R8" pad="1"/>
<contactref element="R4" pad="2"/>
<contactref element="ATMEGA328P" pad="25"/>
</signal>
<signal name="BATT_SENSE_UPSTREAM">
<contactref element="R8" pad="2"/>
<contactref element="MP1" pad="3"/>
</signal>
<signal name="ALOG1">
<contactref element="ATMEGA328P" pad="19"/>
<contactref element="DB15" pad="6"/>
</signal>
<signal name="BATT_FET">
<contactref element="ATMEGA328P" pad="26"/>
<contactref element="R10" pad="2"/>
<contactref element="MN1" pad="1"/>
</signal>
<signal name="OPT2_MCU">
<contactref element="ATMEGA328P" pad="10"/>
<contactref element="R1" pad="2"/>
</signal>
<signal name="OPT1_MCU">
<contactref element="ATMEGA328P" pad="11"/>
<contactref element="R2" pad="2"/>
</signal>
<signal name="N$11">
<contactref element="ATMEGA328P" pad="20"/>
<contactref element="C3" pad="2"/>
</signal>
<signal name="N$13">
<contactref element="H_1" pad="4"/>
<contactref element="MP2" pad="3"/>
</signal>
<signal name="MCU_TX">
<contactref element="FT232RL" pad="5"/>
<contactref element="ATMEGA328P" pad="31"/>
<contactref element="H_1" pad="3"/>
</signal>
<signal name="BATT_VOLT_ENABLE">
<contactref element="MP1" pad="1"/>
<contactref element="C5" pad="2"/>
<contactref element="R3" pad="1"/>
<contactref element="MN1" pad="3"/>
</signal>
<signal name="KILL_2">
<contactref element="J2" pad="1"/>
<contactref element="LTC2950" pad="8"/>
<contactref element="R14" pad="1"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
