<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="8.7.0">
<drawing>
<board>
<plain>
<wire x1="0" y1="0" x2="65" y2="0" width="0" layer="20"/>
<wire x1="65" y1="0" x2="65" y2="50" width="0" layer="20"/>
<wire x1="65" y1="50" x2="0" y2="50" width="0" layer="20"/>
<wire x1="0" y1="50" x2="0" y2="0" width="0" layer="20"/>
</plain>
<libraries>
<library name="RPI-Zero">
<description>Generated from &lt;b&gt;TMC2660-test-with-grbl.brd&lt;/b&gt;&lt;p&gt;
by exp-project-lbr.ulp</description>
<packages>
<package name="RASPBERRYPI_BASTELSTUBE_V13_RASPI_BOARD_B+_FULL">
<description>Raspberry Pi board model B+, full outline with position of big connectors &amp;amp; drill holes</description>
</package>
</packages>
</library>
<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="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="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="SOT23-5">
<description>&lt;b&gt;Small Outline Transistor&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="SparkFun-Capacitors">
<description>&lt;h3&gt;SparkFun Capacitors&lt;/h3&gt;
This library contains capacitors. 
&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="CPOL-RADIAL-2.5MM-5MM">
<description>2.5 mm spaced PTHs with 5 mm diameter outline and standard solder mask</description>
</package>
</packages>
</library>
<library name="SparkFun-Boards">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
This library contains footprints for SparkFun breakout boards, microcontrollers (Arduino, Particle, Teensy, etc.),  breadboards, non-RF modules, 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="SPARKFUN_PRO_MICRO">
<description>&lt;h3&gt;SparkFun Pro Mico Footprint (with USB connector)&lt;/h3&gt;
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count: 24&lt;/li&gt;
&lt;li&gt;Pin pitch: 0.1"&lt;/li&gt;
&lt;li&gt;Area:0.7x1.3"&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;
&lt;p&gt;Example device(s):
&lt;ul&gt;&lt;li&gt;SparkFun Pro Micro&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</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="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-Capacitors">
<description>&lt;h3&gt;SparkFun Capacitors&lt;/h3&gt;
This library contains capacitors. 
&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="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-LED">
<description>&lt;h3&gt;SparkFun LEDs&lt;/h3&gt;
This library contains discrete LEDs for illumination or indication, but no displays.
&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="LED-0603">
<description>&lt;B&gt;LED 0603 SMT&lt;/B&gt;&lt;p&gt;
0603, surface mount.
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count: 2&lt;/li&gt;
&lt;li&gt;Pin pitch:0.075inch &lt;/li&gt;
&lt;li&gt;Area: 0.06" x 0.03"&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;
&lt;p&gt;Example device(s):
&lt;ul&gt;&lt;li&gt;LED - BLUE&lt;/li&gt;</description>
</package>
</packages>
</library>
<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="JST-2-SMD">
<description>&lt;h3&gt;JST-Right Angle Male Header SMT&lt;/h3&gt;
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count: 2&lt;/li&gt;
&lt;li&gt;Pin pitch: 2mm&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;
&lt;p&gt;&lt;a href=”http://www.4uconnector.com/online/object/4udrawing/20404.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;li&gt;JST_2MM_MALE&lt;/li&gt;
&lt;/ul&gt;&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="DIODE-1N4001">
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="U$1" library="RPI-Zero" package="RASPBERRYPI_BASTELSTUBE_V13_RASPI_BOARD_B+_FULL" value="RPI-ZERO"/>
<element name="U1" library="SparkFun-IC-Power" package="SOT23-5" value="MCP73831">
<attribute name="PROD_ID" value="IC-09995"/>
</element>
<element name="J3" library="SparkFun-Connectors" package="1X04" value="">
<attribute name="PROD_ID" value="CONN-09696"/>
</element>
<element name="J4" library="SparkFun-Connectors" package="1X04" value="">
<attribute name="PROD_ID" value="CONN-09696"/>
</element>
<element name="J2" library="SparkFun-Connectors" package="1X02" value=""/>
<element name="C1" library="SparkFun-Capacitors" package="CPOL-RADIAL-2.5MM-5MM" value="10uF">
<attribute name="PROD_ID" value="CAP-08440"/>
</element>
<element name="C2" library="SparkFun-Capacitors" package="CPOL-RADIAL-2.5MM-5MM" value="10uF">
<attribute name="PROD_ID" value="CAP-08440"/>
</element>
<element name="C3" library="SparkFun-Capacitors" package="CPOL-RADIAL-2.5MM-5MM" value="10uF">
<attribute name="PROD_ID" value="CAP-08440"/>
</element>
<element name="R2" library="SparkFun-Resistors" package="0603" value="1k">
<attribute name="PROD_ID" value="RES-07856"/>
</element>
<element name="B1" library="SparkFun-Boards" package="SPARKFUN_PRO_MICRO" value="SPARKFUN_PRO_MICRO"/>
<element name="R1" library="SparkFun-Resistors" package="0603" value="1k">
<attribute name="PROD_ID" value="RES-07856"/>
</element>
<element name="R3" library="SparkFun-Resistors" package="0603" value="1k">
<attribute name="PROD_ID" value="RES-07856"/>
</element>
<element name="C4" library="SparkFun-Capacitors" package="CPOL-RADIAL-2.5MM-5MM" value="10uF">
<attribute name="PROD_ID" value="CAP-08440"/>
</element>
<element name="C5" library="SparkFun-Capacitors" package="0603" value="1.0uF">
<attribute name="PROD_ID" value="CAP-00868"/>
</element>
<element name="C6" library="SparkFun-Capacitors" package="0603" value="1.0uF">
<attribute name="PROD_ID" value="CAP-00868"/>
</element>
<element name="C7" library="SparkFun-Capacitors" package="CPOL-RADIAL-2.5MM-5MM" value="10uF">
<attribute name="PROD_ID" value="CAP-08440"/>
</element>
<element name="C8" library="SparkFun-Capacitors" package="CPOL-RADIAL-2.5MM-5MM" value="10uF">
<attribute name="PROD_ID" value="CAP-08440"/>
</element>
<element name="C9" library="SparkFun-Capacitors" package="CPOL-RADIAL-2.5MM-5MM" value="10uF">
<attribute name="PROD_ID" value="CAP-08440"/>
</element>
<element name="C10" library="SparkFun-Capacitors" package="CPOL-RADIAL-2.5MM-5MM" value="10uF">
<attribute name="PROD_ID" value="CAP-08440"/>
</element>
<element name="C11" library="SparkFun-Capacitors" package="0603" value="1.0uF">
<attribute name="PROD_ID" value="CAP-00868"/>
</element>
<element name="C12" library="SparkFun-Capacitors" package="0603" value="1.0uF">
<attribute name="PROD_ID" value="CAP-00868"/>
</element>
<element name="C13" library="SparkFun-Capacitors" package="0603" value="1.0uF">
<attribute name="PROD_ID" value="CAP-00868"/>
</element>
<element name="C14" library="SparkFun-Capacitors" package="0603" value="1.0uF">
<attribute name="PROD_ID" value="CAP-00868"/>
</element>
<element name="D1" library="SparkFun-LED" package="LED-0603" value="GREEN">
<attribute name="PROD_ID" value="DIO-00821"/>
</element>
<element name="R4" library="SparkFun-Resistors" package="0603" value="330k">
<attribute name="PROD_ID" value="RES-08968"/>
</element>
<element name="J1" library="SparkFun-Connectors" package="JST-2-SMD" value="">
<attribute name="PROD_ID" value="CONN-11443"/>
<attribute name="SF_ID" value="PRT-08612"/>
</element>
<element name="D2" library="SparkFun-DiscreteSemi" package="DIODE-1N4001" value="1A/50V/1.1V">
<attribute name="PROD_ID" value="DIO-09176"/>
</element>
<element name="D3" library="SparkFun-DiscreteSemi" package="DIODE-1N4001" value="1A/50V/1.1V">
<attribute name="PROD_ID" value="DIO-09176"/>
</element>
<element name="D4" library="SparkFun-DiscreteSemi" package="DIODE-1N4001" value="1A/50V/1.1V">
<attribute name="PROD_ID" value="DIO-09176"/>
</element>
<element name="D5" library="SparkFun-DiscreteSemi" package="DIODE-1N4001" value="1A/50V/1.1V">
<attribute name="PROD_ID" value="DIO-09176"/>
</element>
</elements>
<signals>
<signal name="GND">
<contactref element="U$1" pad="39"/>
<contactref element="U$1" pad="25"/>
<contactref element="U$1" pad="9"/>
<contactref element="U$1" pad="20"/>
<contactref element="U$1" pad="34"/>
<contactref element="U$1" pad="30"/>
<contactref element="U$1" pad="14"/>
<contactref element="U$1" pad="6"/>
<contactref element="J3" pad="2"/>
<contactref element="J3" pad="1"/>
<contactref element="J4" pad="2"/>
<contactref element="J4" pad="1"/>
<contactref element="J2" pad="2"/>
<contactref element="U1" pad="2"/>
<contactref element="C1" pad="2"/>
<contactref element="C2" pad="2"/>
<contactref element="C3" pad="2"/>
<contactref element="R2" pad="1"/>
<contactref element="B1" pad="4"/>
<contactref element="B1" pad="23"/>
<contactref element="B1" pad="3"/>
<contactref element="R3" pad="1"/>
<contactref element="C4" pad="2"/>
<contactref element="C5" pad="2"/>
<contactref element="C6" pad="2"/>
<contactref element="C7" pad="2"/>
<contactref element="C8" pad="2"/>
<contactref element="C9" pad="2"/>
<contactref element="C10" pad="2"/>
<contactref element="C11" pad="2"/>
<contactref element="C12" pad="2"/>
<contactref element="C13" pad="2"/>
<contactref element="C14" pad="2"/>
<contactref element="J1" pad="1"/>
</signal>
<signal name="5V">
<contactref element="U$1" pad="2"/>
<contactref element="U$1" pad="4"/>
<contactref element="C3" pad="1"/>
<contactref element="C5" pad="1"/>
<contactref element="C7" pad="1"/>
<contactref element="C8" pad="1"/>
<contactref element="C11" pad="1"/>
<contactref element="C12" pad="1"/>
<contactref element="D3" pad="C"/>
<contactref element="D5" pad="C"/>
<contactref element="D4" pad="C"/>
<contactref element="D2" pad="C"/>
</signal>
<signal name="VIN">
<contactref element="U1" pad="4"/>
<contactref element="J2" pad="1"/>
<contactref element="C1" pad="1"/>
<contactref element="R4" pad="2"/>
</signal>
<signal name="V_BATT">
<contactref element="J3" pad="3"/>
<contactref element="J3" pad="4"/>
<contactref element="U1" pad="3"/>
<contactref element="C2" pad="1"/>
<contactref element="R1" pad="2"/>
<contactref element="J1" pad="2"/>
</signal>
<signal name="N$4">
<contactref element="U1" pad="5"/>
<contactref element="R2" pad="2"/>
</signal>
<signal name="RAW">
<contactref element="B1" pad="24"/>
</signal>
<signal name="3.3V">
<contactref element="B1" pad="21"/>
<contactref element="U$1" pad="17"/>
<contactref element="C4" pad="1"/>
<contactref element="C6" pad="1"/>
<contactref element="C9" pad="1"/>
<contactref element="C10" pad="1"/>
<contactref element="C13" pad="1"/>
<contactref element="C14" pad="1"/>
</signal>
<signal name="SDA">
<contactref element="B1" pad="5"/>
<contactref element="U$1" pad="3"/>
</signal>
<signal name="SCL">
<contactref element="B1" pad="6"/>
<contactref element="U$1" pad="5"/>
</signal>
<signal name="N$1">
<contactref element="R1" pad="1"/>
<contactref element="R3" pad="2"/>
<contactref element="B1" pad="17"/>
</signal>
<signal name="N$2">
<contactref element="R4" pad="1"/>
<contactref element="D1" pad="A"/>
</signal>
<signal name="N$3">
<contactref element="D1" pad="C"/>
<contactref element="U1" pad="1"/>
</signal>
<signal name="V_OPEN">
<contactref element="J4" pad="4"/>
<contactref element="J4" pad="3"/>
<contactref element="D3" pad="A"/>
<contactref element="D5" pad="A"/>
<contactref element="D4" pad="A"/>
<contactref element="D2" pad="A"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
