<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="7.2.0">
<drawing>
<board>
<plain>
<wire x1="3.81" y1="52.07" x2="83.8" y2="52.07" width="0" layer="20"/>
<wire x1="83.8" y1="52.07" x2="83.8" y2="93.65" width="0" layer="20"/>
<wire x1="83.8" y1="93.65" x2="3.81" y2="93.65" width="0" layer="20"/>
<wire x1="3.81" y1="93.65" x2="3.81" y2="52.07" width="0" layer="20"/>
<wire x1="3.81" y1="93.726" x2="83.82" y2="93.726" width="0.2032" layer="20"/>
<wire x1="83.82" y1="93.726" x2="83.82" y2="52.07" width="0.2032" layer="20"/>
<wire x1="83.82" y1="52.07" x2="3.81" y2="52.07" width="0.2032" layer="20"/>
<wire x1="3.81" y1="52.07" x2="3.81" y2="93.726" width="0.2032" layer="20"/>
<text>-  +</text>
<text>FREQ 10K</text>
<text>DUTY 100K</text>
<text>TONE1 500K</text>
<text>TONE2 500K</text>
<text>VOLUME 10K</text>
<text>FFS v5</text>
<text>joshuajnoble</text>
</plain>
<libraries>
<library name="SparkFun-AnalogIC">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
In this library you'll find all manner of analog ICs- DACs, ADCs, video chips, op-amps, and others.&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="DIL14">
</package>
</packages>
</library>
<library name="adafruit">
<packages>
<package name="DIL08-ROUND">
<description>&lt;b&gt;Dual In Line Package&lt;/b&gt;</description>
</package>
</packages>
</library>
<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>
<package name="CAP-PTH-5MM">
</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; 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-0.4">
<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="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; 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="AUDIO-JACK">
</package>
</packages>
</library>
<library name="296seriesPOT">
<packages>
<package name="296SERIESPOT">
</package>
</packages>
</library>
<library name="jumper">
<description>&lt;b&gt;Jumpers&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="JP1">
<description>&lt;b&gt;JUMPER&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="T250001">
<packages>
<package name="T250001">
</package>
</packages>
</library>
<library name="linear">
<description>&lt;b&gt;Linear Devices&lt;/b&gt;&lt;p&gt;
Operational amplifiers,  comparators, voltage regulators, ADCs, DACs, etc.&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="DIL08">
<description>&lt;b&gt;Dual In Line Package&lt;/b&gt;</description>
</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-0.4">
<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>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="556" library="SparkFun-AnalogIC" package="DIL14" value=""/>
<element name="C3" library="SparkFun-Capacitors" package="CAP-PTH-SMALL" value="100nf">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C4" library="SparkFun-Capacitors" package="CAP-PTH-SMALL" value="100nF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="555" library="adafruit" package="DIL08-ROUND" value="555"/>
<element name="AUDIOJACK" library="SparkFun-Connectors" package="AUDIO-JACK" value=""/>
<element name="R6" library="SparkFun-Passives" package="AXIAL-0.4" value="1K"/>
<element name="RV3" library="296seriesPOT" package="296SERIESPOT" value="470K"/>
<element name="RV4" library="296seriesPOT" package="296SERIESPOT" value="470K"/>
<element name="TM5" library="296seriesPOT" package="296SERIESPOT" value="10K"/>
<element name="C9" library="SparkFun-Capacitors" package="CAP-PTH-SMALL" value="100nF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="9V" library="jumper" package="JP1" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C11" library="SparkFun-Capacitors" package="CAP-PTH-SMALL" value="100nF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C12" library="SparkFun-Capacitors" package="CAP-PTH-SMALL" value="100nF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="U$1" library="T250001" package="T250001" value="T250001"/>
<element name="741" library="linear" package="DIL08" value="LM741P"/>
<element name="R1" library="SparkFun-Resistors" package="AXIAL-0.4" value="10K"/>
<element name="R2" library="SparkFun-Resistors" package="AXIAL-0.4" value="4.7K"/>
<element name="R3" library="SparkFun-Resistors" package="AXIAL-0.4" value="10K"/>
<element name="FREQ10K" library="296seriesPOT" package="296SERIESPOT" value="296SERIESPOT"/>
<element name="DUTY100K" library="296seriesPOT" package="296SERIESPOT" value="296SERIESPOT"/>
<element name="C1" library="SparkFun-Capacitors" package="CAP-PTH-5MM" value="2.2uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
</elements>
<signals>
<signal name="GND">
<contactref element="C3" pad="2"/>
<contactref element="556" pad="7"/>
<contactref element="C4" pad="2"/>
<contactref element="AUDIOJACK" pad="SLEEVE"/>
<contactref element="RV3" pad="PIN1"/>
<contactref element="C9" pad="2"/>
<contactref element="RV4" pad="PIN3"/>
<contactref element="9V" pad="1"/>
<contactref element="C11" pad="2"/>
<contactref element="C12" pad="2"/>
<contactref element="555" pad="1"/>
<contactref element="R1" pad="P$1"/>
<contactref element="TM5" pad="PIN1"/>
<contactref element="C1" pad="2"/>
<contactref element="741" pad="4"/>
</signal>
<signal name="VCC">
<contactref element="556" pad="4"/>
<contactref element="556" pad="14"/>
<contactref element="556" pad="10"/>
<contactref element="RV4" pad="PIN2"/>
<contactref element="RV3" pad="PIN3"/>
<contactref element="C12" pad="1"/>
<contactref element="C11" pad="1"/>
<contactref element="U$1" pad="4"/>
<contactref element="555" pad="4"/>
<contactref element="555" pad="8"/>
<contactref element="R3" pad="P$2"/>
<contactref element="741" pad="7"/>
</signal>
<signal name="N$6">
<contactref element="RV3" pad="PIN2"/>
<contactref element="R6" pad="P$2"/>
<contactref element="556" pad="1"/>
</signal>
<signal name="N$8">
<contactref element="556" pad="2"/>
<contactref element="R6" pad="P$1"/>
<contactref element="C3" pad="1"/>
<contactref element="556" pad="6"/>
</signal>
<signal name="N$7">
<contactref element="556" pad="3"/>
<contactref element="741" pad="6"/>
</signal>
<signal name="N$9">
<contactref element="556" pad="5"/>
<contactref element="556" pad="8"/>
</signal>
<signal name="N$10">
<contactref element="556" pad="12"/>
<contactref element="RV4" pad="PIN1"/>
<contactref element="556" pad="13"/>
<contactref element="C4" pad="1"/>
</signal>
<signal name="N$4">
<contactref element="TM5" pad="PIN2"/>
<contactref element="AUDIOJACK" pad="RING"/>
<contactref element="AUDIOJACK" pad="TIP"/>
</signal>
<signal name="N$13">
<contactref element="556" pad="11"/>
<contactref element="C9" pad="1"/>
</signal>
<signal name="BATT">
<contactref element="9V" pad="2"/>
<contactref element="U$1" pad="5"/>
</signal>
<signal name="N$1">
<contactref element="741" pad="2"/>
<contactref element="555" pad="6"/>
<contactref element="555" pad="2"/>
<contactref element="R2" pad="P$2"/>
<contactref element="C1" pad="1"/>
</signal>
<signal name="N$3">
<contactref element="FREQ10K" pad="PIN3"/>
<contactref element="R3" pad="P$1"/>
</signal>
<signal name="N$5">
<contactref element="R1" pad="P$2"/>
<contactref element="FREQ10K" pad="PIN1"/>
</signal>
<signal name="N$17">
<contactref element="FREQ10K" pad="PIN2"/>
<contactref element="741" pad="3"/>
</signal>
<signal name="N$14">
<contactref element="555" pad="3"/>
<contactref element="DUTY100K" pad="PIN1"/>
<contactref element="DUTY100K" pad="PIN2"/>
</signal>
<signal name="N$15">
<contactref element="DUTY100K" pad="PIN3"/>
<contactref element="R2" pad="P$1"/>
</signal>
<signal name="N$2">
<contactref element="556" pad="9"/>
<contactref element="TM5" pad="PIN3"/>
</signal>
<signal name="N$11">
</signal>
<signal name="N$12">
</signal>
<signal name="N$16">
</signal>
<signal name="N$18">
</signal>
</signals>
</board>
</drawing>
</eagle>
