<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="6.5.0">
<drawing>
<board>
<plain>
<wire x1="0" y1="0" x2="37.77" y2="0" width="0" layer="20"/>
<wire x1="37.77" y1="0" x2="37.77" y2="31.105" width="0" layer="20"/>
<wire x1="37.77" y1="31.105" x2="0" y2="31.105" width="0" layer="20"/>
<wire x1="0" y1="31.105" x2="0" y2="0" width="0" layer="20"/>
<text>Cracklebox</text>
</plain>
<libraries>
<library name="ic-package">
<description>&lt;b&gt;IC Packages an Sockets&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="SOCKET-14">
<description>&lt;b&gt;Dual In Line Socket&lt;/b&gt;</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="CAP-PTH-SMALL">
</package>
<package name="CPOL-RADIAL-100UF-25V">
</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; 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="AXIAL-0.4">
<description>1/4W Resistor, 0.4" wide&lt;p&gt;

Yageo CFR series &lt;a href="http://www.yageo.com/pdf/yageo/Leaded-R_CFR_2008.pdf"&gt;http://www.yageo.com/pdf/yageo/Leaded-R_CFR_2008.pdf&lt;/a&gt;</description>
</package>
</packages>
</library>
<library name="wirepad">
<description>&lt;b&gt;Single Pads&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="2,15/1,0">
<description>&lt;b&gt;THROUGH-HOLE PAD&lt;/b&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="3,2">
<description>&lt;b&gt;MOUNTING HOLE&lt;/b&gt; 3.2 mm with drill center</description>
</package>
</packages>
</library>
<library name="transistor">
<description>&lt;b&gt;Transistors&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="TO92-CBE">
<description>&lt;b&gt;TO-92&lt;/b&gt; Pads In Line  C B E from top&lt;p&gt;</description>
</package>
</packages>
</library>
<library name="transistor-pnp">
<description>&lt;b&gt;PNP Transistors&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="TO92-EBC">
<description>&lt;b&gt;TO-92&lt;/b&gt;&lt;p&gt;
grid 5.08 mm</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="IC1" library="ic-package" package="SOCKET-14" value="NTE909D">
<attribute name="VALUE"/>
<attribute name="NAME"/>
</element>
<element name="C2" library="SparkFun-Passives" package="CAP-PTH-SMALL" value="10n">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C3" library="SparkFun-Passives" package="CAP-PTH-SMALL" value="2n7">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C1" library="SparkFun-Passives" package="CAP-PTH-SMALL" value="10n">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C4" library="SparkFun-Passives" package="CAP-PTH-SMALL" value="100n">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C5" library="SparkFun-Passives" package="CPOL-RADIAL-100UF-25V" value="100uF">
<attribute name="VALUE"/>
<attribute name="NAME"/>
</element>
<element name="R1" library="SparkFun-Resistors" package="AXIAL-0.4" value="1M">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="Q1" library="transistor" package="TO92-CBE" value="BC547">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="Q2" library="transistor" package="TO92-CBE" value="BC547">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="Q3" library="transistor-pnp" package="TO92-EBC" value="BC557">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="Q4" library="transistor-pnp" package="TO92-EBC" value="BC557">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="PAD1" library="wirepad" package="2,15/1,0" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="PAD2" library="wirepad" package="2,15/1,0" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="PAD3" library="wirepad" package="2,15/1,0" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="PAD4" library="wirepad" package="2,15/1,0" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="PAD5" library="wirepad" package="2,15/1,0" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="PAD6" library="wirepad" package="2,15/1,0" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="U$1" library="holes" package="3,2" value=""/>
<element name="U$2" library="holes" package="3,2" value=""/>
<element name="U$3" library="holes" package="3,2" value=""/>
<element name="U$4" library="holes" package="3,2" value=""/>
<element name="+" library="wirepad" package="2,15/1,0" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="-" library="wirepad" package="2,15/1,0" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="SPK-" library="wirepad" package="2,15/1,0" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="SPK+" library="wirepad" package="2,15/1,0" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="PAD7" library="wirepad" package="2,15/1,0" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
</elements>
<signals>
<signal name="N$2">
<contactref element="IC1" pad="10"/>
<contactref element="R1" pad="P$1"/>
<contactref element="C4" pad="2"/>
<contactref element="Q1" pad="B"/>
<contactref element="Q3" pad="B"/>
</signal>
<signal name="N$3">
<contactref element="IC1" pad="5"/>
<contactref element="C2" pad="1"/>
<contactref element="PAD3" pad="1"/>
</signal>
<signal name="GND">
<contactref element="C2" pad="2"/>
<contactref element="C3" pad="2"/>
<contactref element="IC1" pad="6"/>
<contactref element="Q2" pad="E"/>
<contactref element="-" pad="1"/>
<contactref element="SPK+" pad="1"/>
</signal>
<signal name="VCC">
<contactref element="IC1" pad="11"/>
<contactref element="Q4" pad="E"/>
<contactref element="PAD5" pad="1"/>
<contactref element="+" pad="1"/>
</signal>
<signal name="N$6">
<contactref element="Q1" pad="E"/>
<contactref element="Q3" pad="E"/>
<contactref element="Q4" pad="C"/>
<contactref element="Q2" pad="C"/>
<contactref element="C5" pad="1"/>
</signal>
<signal name="N$7">
<contactref element="Q1" pad="C"/>
<contactref element="Q4" pad="B"/>
</signal>
<signal name="N$8">
<contactref element="Q3" pad="C"/>
<contactref element="Q2" pad="B"/>
</signal>
<signal name="N$9">
<contactref element="C1" pad="2"/>
<contactref element="PAD1" pad="1"/>
</signal>
<signal name="N$5">
<contactref element="C4" pad="1"/>
<contactref element="PAD4" pad="1"/>
</signal>
<signal name="N$10">
<contactref element="PAD6" pad="1"/>
<contactref element="IC1" pad="12"/>
</signal>
<signal name="N$11">
<contactref element="C5" pad="2"/>
<contactref element="SPK-" pad="1"/>
</signal>
<signal name="N$1">
<contactref element="C1" pad="1"/>
<contactref element="IC1" pad="3"/>
</signal>
<signal name="N$12">
<contactref element="IC1" pad="9"/>
<contactref element="PAD7" pad="1"/>
</signal>
<signal name="N$4">
<contactref element="R1" pad="P$2"/>
<contactref element="C3" pad="1"/>
<contactref element="IC1" pad="4"/>
<contactref element="PAD2" pad="1"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
