<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="9.4.2">
<drawing>
<board>
<plain>
<wire x1="0" y1="1.27" x2="0" y2="24.13" width="0.2032" layer="20"/>
<wire x1="0" y1="24.13" x2="1.27" y2="25.4" width="0.2032" layer="20" curve="-90"/>
<wire x1="1.27" y1="25.4" x2="25.4" y2="25.4" width="0.2032" layer="20"/>
<wire x1="25.4" y1="25.4" x2="26.67" y2="24.13" width="0.2032" layer="20" curve="-90"/>
<wire x1="26.67" y1="24.13" x2="26.67" y2="1.27" width="0.2032" layer="20"/>
<wire x1="26.67" y1="1.27" x2="25.4" y2="0" width="0.2032" layer="20" curve="-90"/>
<wire x1="25.4" y1="0" x2="1.27" y2="0" width="0.2032" layer="20"/>
<wire x1="1.27" y1="0" x2="0" y2="1.27" width="0.2032" layer="20" curve="-90"/>
<text>5V</text>
<text>5V</text>
<text>GND</text>
<text>GND</text>
<text>300-
500Ω</text>
<text>0.1µF</text>
<text>74HCT125
Level Shifter v0.2
evilgeniuslabs.org</text>
<text>GND</text>
<text>GND</text>
<text>GND</text>
<text>GND</text>
<text>5V</text>
<text>5V</text>
<text>74HCT125
Level Shifter v0.2
evilgeniuslabs.org</text>
<text>1</text>
<text>2</text>
<text>3</text>
<text>4</text>
<text>1</text>
<text>2</text>
<text>3</text>
<text>4</text>
<text>1</text>
<text>2</text>
<text>3</text>
<text>4</text>
<text>1</text>
<text>2</text>
<text>3</text>
<text>4</text>
<text>In</text>
<text>Out</text>
<text>In</text>
<text>Out</text>
<text>5V</text>
<text>5V</text>
<text>GND</text>
<text>GND</text>
</plain>
<libraries>
<library name="SparkFun-Capacitors">
<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="CAP-PTH-SMALL">
</package>
</packages>
</library>
<library name="SparkFun-Resistors">
<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="AXIAL-0.1">
</package>
</packages>
</library>
<library name="adafruit">
<packages>
<package name="PJ-102A">
</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">
<description>&lt;b&gt;MOUNTING HOLE&lt;/b&gt; 2.8 mm with drill center</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-5MM-10MM-KIT">
<description>5 mm spaced PTHs, with 10 mm silk ring and no exposed copper on top</description>
</package>
</packages>
</library>
<library name="74xx-eu">
<description>&lt;b&gt;TTL Devices, 74xx Series with European Symbols&lt;/b&gt;&lt;p&gt;
Based on the following sources:
&lt;ul&gt;
&lt;li&gt;Texas Instruments &lt;i&gt;TTL Data Book&lt;/i&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;Volume 1, 1996.
&lt;li&gt;TTL Data Book, Volume 2 , 1993
&lt;li&gt;National Seminconductor Databook 1990, ALS/LS Logic
&lt;li&gt;ttl 74er digital data dictionary, ECA Electronic + Acustic GmbH, ISBN 3-88109-032-0
&lt;li&gt;http://icmaster.com/ViewCompare.asp
&lt;/ul&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="DIL14">
<description>&lt;b&gt;Dual In Line Package&lt;/b&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="1X04_NO_SILK">
<description>&lt;h3&gt;Plated Through Hole - 4 Pin No Silk Outline&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_NO_SILK">
<description>&lt;h3&gt;Plated Through Hole - No Silk Outline&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>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="C1" library="SparkFun-Capacitors" package="CAP-PTH-SMALL" value="0.1µF"/>
<element name="4" library="SparkFun-Resistors" package="AXIAL-0.1" value="300-500Ω"/>
<element name="3" library="SparkFun-Resistors" package="AXIAL-0.1" value="300-500Ω"/>
<element name="2" library="SparkFun-Resistors" package="AXIAL-0.1" value="300-500Ω"/>
<element name="1" library="SparkFun-Resistors" package="AXIAL-0.1" value="300-500Ω"/>
<element name="U$1" library="adafruit" package="PJ-102A" value="2.1MMJACKTHM"/>
<element name="H1" library="holes" package="2,8" value="MOUNT-HOLE2.8"/>
<element name="C2" library="SparkFun-Capacitors" package="CPOL-RADIAL-5MM-10MM-KIT" value="1000μF">
<attribute name="PROD_ID" value="CAP-09538"/>
<attribute name="VALUE"/>
</element>
<element name="IC1" library="74xx-eu" package="DIL14" value="74HCT125N"/>
<element name="J1" library="SparkFun-Connectors" package="1X04_NO_SILK" value="">
<attribute name="PROD_ID" value="CONN-09696"/>
<attribute name="VALUE"/>
</element>
<element name="J2" library="SparkFun-Connectors" package="1X04_NO_SILK" value="">
<attribute name="PROD_ID" value="CONN-09696"/>
<attribute name="VALUE"/>
</element>
<element name="J3" library="SparkFun-Connectors" package="1X04_NO_SILK" value="">
<attribute name="PROD_ID" value="CONN-09696"/>
<attribute name="VALUE"/>
</element>
<element name="J4" library="SparkFun-Connectors" package="1X04_NO_SILK" value="">
<attribute name="PROD_ID" value="CONN-09696"/>
<attribute name="VALUE"/>
</element>
<element name="J5" library="SparkFun-Connectors" package="1X02_NO_SILK" value="">
<attribute name="VALUE"/>
</element>
</elements>
<signals>
<signal name="VCC">
<contactref element="C1" pad="1"/>
<contactref element="U$1" pad="TIP"/>
<contactref element="C2" pad="+"/>
<contactref element="IC1" pad="14"/>
<contactref element="J1" pad="4"/>
<contactref element="J1" pad="3"/>
<contactref element="J1" pad="2"/>
<contactref element="J1" pad="1"/>
<contactref element="J5" pad="2"/>
</signal>
<signal name="GND">
<contactref element="C1" pad="2"/>
<contactref element="U$1" pad="RING_SW"/>
<contactref element="U$1" pad="RING"/>
<contactref element="C2" pad="-"/>
<contactref element="IC1" pad="7"/>
<contactref element="J2" pad="4"/>
<contactref element="J2" pad="3"/>
<contactref element="J2" pad="2"/>
<contactref element="J2" pad="1"/>
<contactref element="IC1" pad="1"/>
<contactref element="IC1" pad="4"/>
<contactref element="IC1" pad="10"/>
<contactref element="IC1" pad="13"/>
<contactref element="J5" pad="1"/>
</signal>
<signal name="A2">
<contactref element="2" pad="P$2"/>
<contactref element="IC1" pad="6"/>
</signal>
<signal name="A4">
<contactref element="4" pad="P$2"/>
<contactref element="IC1" pad="11"/>
</signal>
<signal name="A3">
<contactref element="3" pad="P$2"/>
<contactref element="IC1" pad="8"/>
</signal>
<signal name="A1">
<contactref element="1" pad="P$2"/>
<contactref element="IC1" pad="3"/>
</signal>
<signal name="B1">
<contactref element="J4" pad="1"/>
<contactref element="IC1" pad="2"/>
</signal>
<signal name="B2">
<contactref element="J4" pad="2"/>
<contactref element="IC1" pad="5"/>
</signal>
<signal name="B3">
<contactref element="J4" pad="3"/>
<contactref element="IC1" pad="9"/>
</signal>
<signal name="B4">
<contactref element="J4" pad="4"/>
<contactref element="IC1" pad="12"/>
</signal>
<signal name="N$1">
<contactref element="J3" pad="4"/>
<contactref element="1" pad="P$1"/>
</signal>
<signal name="N$2">
<contactref element="J3" pad="3"/>
<contactref element="2" pad="P$1"/>
</signal>
<signal name="N$3">
<contactref element="J3" pad="2"/>
<contactref element="3" pad="P$1"/>
</signal>
<signal name="N$4">
<contactref element="J3" pad="1"/>
<contactref element="4" pad="P$1"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
