<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="9.0.1">
<drawing>
<board>
<plain>
<wire x1="35.56" y1="1.27" x2="10.16" y2="1.27" width="0.254" layer="20"/>
<wire x1="35.56" y1="1.27" x2="38.1" y2="6.35" width="0.254" layer="20"/>
<wire x1="38.1" y1="6.35" x2="43.18" y2="8.89" width="0.254" layer="20"/>
<wire x1="10.795" y1="39.37" x2="12.065" y2="41.91" width="0.254" layer="20"/>
<wire x1="12.065" y1="41.91" x2="33.655" y2="41.91" width="0.254" layer="20"/>
<wire x1="33.655" y1="41.91" x2="34.925" y2="39.37" width="0.254" layer="20"/>
<wire x1="34.925" y1="39.37" x2="10.795" y2="39.37" width="0.254" layer="20"/>
<wire x1="10.16" y1="44.45" x2="35.56" y2="44.45" width="0.254" layer="20"/>
<wire x1="35.56" y1="44.45" x2="38.1" y2="39.37" width="0.254" layer="20"/>
<wire x1="38.1" y1="39.37" x2="43.18" y2="36.83" width="0.254" layer="20"/>
<wire x1="43.18" y1="36.83" x2="44.45" y2="29.21" width="0.254" layer="20"/>
<wire x1="44.45" y1="29.21" x2="40.64" y2="25.4" width="0.254" layer="20"/>
<wire x1="40.64" y1="25.4" x2="40.64" y2="20.32" width="0.254" layer="20"/>
<wire x1="40.64" y1="20.32" x2="44.45" y2="16.51" width="0.254" layer="20"/>
<wire x1="44.45" y1="16.51" x2="43.18" y2="8.89" width="0.254" layer="20"/>
<wire x1="10.16" y1="44.45" x2="7.62" y2="39.37" width="0.254" layer="20"/>
<wire x1="7.62" y1="39.37" x2="2.54" y2="36.83" width="0.254" layer="20"/>
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<wire x1="7.62" y1="6.35" x2="2.54" y2="8.89" width="0.254" layer="20"/>
<wire x1="2.54" y1="8.89" x2="1.27" y2="16.51" width="0.254" layer="20"/>
<wire x1="1.27" y1="16.51" x2="5.08" y2="20.32" width="0.254" layer="20"/>
<wire x1="5.08" y1="20.32" x2="5.08" y2="25.4" width="0.254" layer="20"/>
<wire x1="5.08" y1="25.4" x2="1.27" y2="29.21" width="0.254" layer="20"/>
<wire x1="1.27" y1="29.21" x2="2.54" y2="36.83" width="0.254" layer="20"/>
<text>TIME MACHINE MK IV</text>
<text>TIME MACHINE MK IV</text>
<text>I love you Mom and Dad</text>
<text>004</text>
<text>DESIGNED BY ERIC MIN</text>
<text>DESIGNED BY ERIC MIN</text>
<wire x1="34.925" y1="6.35" x2="33.655" y2="3.81" width="0.254" layer="20"/>
<wire x1="33.655" y1="3.81" x2="12.065" y2="3.81" width="0.254" layer="20"/>
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<wire x1="10.795" y1="6.35" x2="34.925" y2="6.35" width="0.254" layer="20"/>
</plain>
<libraries>
<library name="adafruit">
<packages>
<package name="M0805">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
MELF 0.10 W</description>
</package>
<package name="SMT-0540-S-R">
</package>
</packages>
</library>
<library name="mdbt42">
<packages>
<package name="MDBT40">
</package>
</packages>
</library>
<library name="display-hp">
<description>&lt;b&gt;Hewlett Packard LED Displays&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="HDSP-A">
<description>&lt;b&gt;LED DISPLAY&lt;/b&gt;&lt;p&gt;
 8-mm 1 character 7 segment, decimal point right</description>
</package>
</packages>
</library>
<library name="SparkFun-Batteries">
<description>&lt;h3&gt;SparkFun Batteries&lt;/h3&gt;
This library contains battery clips, connectors, and appropriately sized silk outlines for LiPo batteries. 
&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="BATTCON_12MM">
<description>&lt;h3&gt;12mm Coin Cell (CR1225) Battery Holder - SMD&lt;/h3&gt;
&lt;p&gt;Holds battery in place with friction. The metal housing connects to the positive side of the battery and the PCB pad underneath is connected to the negative side.&lt;/p&gt;
&lt;p&gt;&lt;a href="https://cdn.sparkfun.com/datasheets/Prototyping/KEY-3000.pdf"&gt;Datasheet&lt;/a&gt;&lt;/p&gt;
&lt;h4&gt;Devices Using&lt;/h4&gt;
&lt;ul&gt;&lt;li&gt;BATTERY&lt;/li&gt;&lt;/ul&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-1206">
<description>&lt;h3&gt;LED 1206 SMT&lt;/h3&gt;

1206, surface mount. 

&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count: 2&lt;/li&gt;
&lt;li&gt;Pin pitch: &lt;/li&gt;
&lt;li&gt;Area: 0.125" x 0.06"&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;
&lt;p&gt;Example device(s):
&lt;ul&gt;&lt;li&gt;LED&lt;/li&gt;&lt;/ul&gt;</description>
</package>
</packages>
</library>
<library name="testpad">
<description>&lt;b&gt;Test Pins/Pads&lt;/b&gt;&lt;p&gt;
Cream on SMD OFF.&lt;br&gt;
new: Attribute TP_SIGNAL_NAME&lt;br&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="TP19R">
<description>&lt;b&gt;TEST PAD&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="Sparkfun-switches">
<description>&lt;h3&gt;SparkFun Switches, Buttons, Encoders&lt;/h3&gt;
In this library you'll find switches, buttons, joysticks, and anything that moves to create or disrupt an electrical connection.
&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="TACTILE_SWITCH_SMD_6.2MM_TALL">
<description>&lt;h3&gt;Momentary Switch (Pushbutton) - SPST - SMD, 6.2mm Square&lt;/h3&gt;
&lt;p&gt;Normally-open (NO) SPST momentary switches (buttons, pushbuttons).&lt;/p&gt;
&lt;p&gt;&lt;a href="http://www.apem.com/files/apem/brochures/ADTS6-ADTSM-KTSC6.pdf"&gt;Datasheet&lt;/a&gt; (ADTSM63NVTR)&lt;/p&gt;</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="R3" library="adafruit" package="M0805" value=""/>
<element name="R1" library="adafruit" package="M0805" value=""/>
<element name="R4" library="adafruit" package="M0805" value=""/>
<element name="R2" library="adafruit" package="M0805" value=""/>
<element name="U$1" library="mdbt42" package="MDBT40" value="MDBT42Q"/>
<element name="." library="adafruit" package="M0805" value=""/>
<element name="R14" library="adafruit" package="M0805" value=""/>
<element name="R15" library="adafruit" package="M0805" value=""/>
<element name="R16" library="adafruit" package="M0805" value=""/>
<element name="R17" library="adafruit" package="M0805" value=""/>
<element name="R18" library="adafruit" package="M0805" value=""/>
<element name="R19" library="adafruit" package="M0805" value=""/>
<element name="_" library="display-hp" package="HDSP-A" value="">
<attribute name="MF" value=""/>
<attribute name="MPN" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
<attribute name="OC_NEWARK" value="unknown"/>
</element>
<element name="__" library="display-hp" package="HDSP-A" value="">
<attribute name="MF" value=""/>
<attribute name="MPN" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
<attribute name="OC_NEWARK" value="unknown"/>
</element>
<element name="BT1" library="SparkFun-Batteries" package="BATTCON_12MM" value="">
<attribute name="PROD_ID" value="BATT-08044"/>
<attribute name="SF_SKU" value="PRT-10592"/>
</element>
<element name="D1" library="Sparkfun-LED" package="LED-1206" value="GREEN">
<attribute name="PROD_ID" value="DIO-00862"/>
</element>
<element name="D2" library="Sparkfun-LED" package="LED-1206" value="GREEN">
<attribute name="PROD_ID" value="DIO-00862"/>
</element>
<element name="D3" library="Sparkfun-LED" package="LED-1206" value="GREEN">
<attribute name="PROD_ID" value="DIO-00862"/>
</element>
<element name="D4" library="Sparkfun-LED" package="LED-1206" value="GREEN">
<attribute name="PROD_ID" value="DIO-00862"/>
</element>
<element name="R5" library="adafruit" package="M0805" value=""/>
<element name="D5" library="Sparkfun-LED" package="LED-1206" value="GREEN">
<attribute name="PROD_ID" value="DIO-00862"/>
</element>
<element name="TP1" library="testpad" package="TP19R" value="TPTP19R">
<attribute name="TP_SIGNAL_NAME" value=""/>
</element>
<element name="TP2" library="testpad" package="TP19R" value="TPTP19R">
<attribute name="TP_SIGNAL_NAME" value=""/>
</element>
<element name="SPK2" library="adafruit" package="SMT-0540-S-R" value="SMT-0540-S-R"/>
<element name="____" library="Sparkfun-switches" package="TACTILE_SWITCH_SMD_6.2MM_TALL" value="">
<attribute name="PROD_ID" value="SWCH-11966"/>
<attribute name="SF_SKU" value="COM-12992"/>
</element>
<element name="_____" library="Sparkfun-switches" package="TACTILE_SWITCH_SMD_6.2MM_TALL" value="">
<attribute name="PROD_ID" value="SWCH-11966"/>
<attribute name="SF_SKU" value="COM-12992"/>
</element>
<element name="______" library="Sparkfun-switches" package="TACTILE_SWITCH_SMD_6.2MM_TALL" value="">
<attribute name="PROD_ID" value="SWCH-11966"/>
<attribute name="SF_SKU" value="COM-12992"/>
</element>
</elements>
<signals>
<signal name="VIN">
<contactref element="BT1" pad="PWR@1"/>
<contactref element="U$1" pad="P11"/>
</signal>
<signal name="LED1">
<contactref element="R1" pad="2"/>
<contactref element="U$1" pad="P2"/>
</signal>
<signal name="LED2">
<contactref element="R4" pad="2"/>
<contactref element="U$1" pad="P3"/>
</signal>
<signal name="LED3">
<contactref element="R3" pad="2"/>
<contactref element="U$1" pad="P4"/>
</signal>
<signal name="LED4">
<contactref element="R2" pad="2"/>
<contactref element="U$1" pad="P5"/>
</signal>
<signal name="A">
<contactref element="." pad="2"/>
<contactref element="_" pad="10"/>
<contactref element="__" pad="10"/>
</signal>
<signal name="B">
<contactref element="R14" pad="2"/>
<contactref element="_" pad="9"/>
<contactref element="__" pad="9"/>
</signal>
<signal name="C">
<contactref element="R15" pad="2"/>
<contactref element="_" pad="8"/>
<contactref element="__" pad="8"/>
</signal>
<signal name="D">
<contactref element="R16" pad="2"/>
<contactref element="_" pad="5"/>
<contactref element="__" pad="5"/>
</signal>
<signal name="E">
<contactref element="R17" pad="2"/>
<contactref element="_" pad="4"/>
<contactref element="__" pad="4"/>
</signal>
<signal name="F">
<contactref element="R18" pad="2"/>
<contactref element="_" pad="2"/>
<contactref element="__" pad="2"/>
</signal>
<signal name="G">
<contactref element="R19" pad="2"/>
<contactref element="_" pad="3"/>
<contactref element="__" pad="3"/>
</signal>
<signal name="CC1">
<contactref element="_" pad="1"/>
<contactref element="_" pad="6"/>
<contactref element="U$1" pad="P33"/>
</signal>
<signal name="CC2">
<contactref element="__" pad="1"/>
<contactref element="__" pad="6"/>
<contactref element="U$1" pad="P32"/>
</signal>
<signal name="N$1">
<contactref element="U$1" pad="P31"/>
<contactref element="." pad="1"/>
</signal>
<signal name="N$2">
<contactref element="U$1" pad="P30"/>
<contactref element="R14" pad="1"/>
</signal>
<signal name="N$3">
<contactref element="U$1" pad="P29"/>
<contactref element="R15" pad="1"/>
</signal>
<signal name="N$8">
<contactref element="U$1" pad="P28"/>
<contactref element="R16" pad="1"/>
</signal>
<signal name="N$9">
<contactref element="U$1" pad="P27"/>
<contactref element="R17" pad="1"/>
</signal>
<signal name="N$10">
<contactref element="U$1" pad="P26"/>
<contactref element="R18" pad="1"/>
</signal>
<signal name="N$11">
<contactref element="U$1" pad="P25"/>
<contactref element="R19" pad="1"/>
</signal>
<signal name="GND">
<contactref element="U$1" pad="P1"/>
<contactref element="D1" pad="C"/>
<contactref element="D2" pad="C"/>
<contactref element="D3" pad="C"/>
<contactref element="D4" pad="C"/>
<contactref element="BT1" pad="GND"/>
<contactref element="D5" pad="C"/>
<contactref element="SPK2" pad="-"/>
<contactref element="____" pad="A2"/>
<contactref element="______" pad="A2"/>
<contactref element="_____" pad="A2"/>
<contactref element="U$1" pad="P12"/>
<contactref element="U$1" pad="P39"/>
<contactref element="U$1" pad="P24"/>
</signal>
<signal name="N$4">
<contactref element="R1" pad="1"/>
<contactref element="D1" pad="A"/>
</signal>
<signal name="N$5">
<contactref element="R4" pad="1"/>
<contactref element="D2" pad="A"/>
</signal>
<signal name="N$6">
<contactref element="R3" pad="1"/>
<contactref element="D3" pad="A"/>
</signal>
<signal name="N$7">
<contactref element="R2" pad="1"/>
<contactref element="D4" pad="A"/>
</signal>
<signal name="N$13">
<contactref element="U$1" pad="P18"/>
<contactref element="SPK2" pad="+"/>
</signal>
<signal name="LED5">
<contactref element="U$1" pad="P6"/>
<contactref element="R5" pad="2"/>
</signal>
<signal name="N$16">
<contactref element="D5" pad="A"/>
<contactref element="R5" pad="1"/>
</signal>
<signal name="N$17">
<contactref element="U$1" pad="P21"/>
<contactref element="TP1" pad="TP"/>
</signal>
<signal name="N$18">
<contactref element="U$1" pad="P19"/>
<contactref element="TP2" pad="TP"/>
</signal>
<signal name="BTN1">
<contactref element="____" pad="B2"/>
<contactref element="U$1" pad="P13"/>
</signal>
<signal name="BTN2">
<contactref element="_____" pad="B2"/>
<contactref element="U$1" pad="P14"/>
</signal>
<signal name="BTN3">
<contactref element="______" pad="B2"/>
<contactref element="U$1" pad="P15"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
