<?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="100" y2="0" width="0" layer="20"/>
<wire x1="100" y1="0" x2="100" y2="80" width="0" layer="20"/>
<wire x1="100" y1="80" x2="0" y2="80" width="0" layer="20"/>
<wire x1="0" y1="80" x2="0" y2="0" width="0" layer="20"/>
</plain>
<libraries>
<library name="st-microelectronics">
<description>&lt;b&gt;ST Microelectronics Devices&lt;/b&gt;&lt;p&gt;
Microcontrollers,  I2C components, linear devices&lt;p&gt;
http://www.st.com&lt;p&gt;
&lt;i&gt;Include st-microelectronics-2.lbr, st-microelectronics-3.lbr.&lt;p&gt;&lt;/i&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="bourns">
<description>&lt;b&gt;Bourns Trimmers and Potentiometers&lt;/b&gt;&lt;p&gt;
Trim pots, potentiometers, poly-fuses and other components by Bourns.
&lt;h4&gt;&lt;i&gt;Created by Bob Starr (rtzaudio@mindspring.com)&lt;br&gt;
Updated 01/08/2005&lt;/i&gt;&lt;/h4&gt;</description>
<packages>
<package name="3386F">
<description>3/8" Square Trimmer</description>
</package>
</packages>
</library>
<library name="01_FAB_Hello">
<packages>
<package name="1206">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
chip</description>
</package>
</packages>
</library>
<library name="01_fab">
<packages>
<package name="2X02SMD">
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="IC1" library="st-microelectronics" package="DIL14" value="NE556">
<attribute name="OC_NEWARK" value="83C0108"/>
<attribute name="MPN" value="NE556"/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="2349784"/>
</element>
<element name="VR1-LINEAR-500K" library="bourns" package="3386F" value=""/>
<element name="VR2-LINEAR-500K" library="bourns" package="3386F" value=""/>
<element name="VR3-VOL-LOG-100K" library="bourns" package="3386F" value=""/>
<element name="0.01UF-R1" library="01_FAB_Hello" package="1206" value=""/>
<element name="0.01UF-VR2" library="01_FAB_Hello" package="1206" value=""/>
<element name="1K" library="01_FAB_Hello" package="1206" value=""/>
<element name="SPEAKER" library="01_fab" package="2X02SMD" value="PINHD-2X2-SMD"/>
<element name="BATTERY" library="01_fab" package="2X02SMD" value="PINHD-2X2-SMD"/>
<element name="10UF-VR1" library="01_FAB_Hello" package="1206" value=""/>
</elements>
<signals>
<signal name="V+">
<contactref element="BATTERY" pad="2"/>
<contactref element="IC1" pad="4"/>
<contactref element="SPEAKER" pad="1"/>
<contactref element="VR2-LINEAR-500K" pad="1"/>
<contactref element="IC1" pad="14"/>
<contactref element="IC1" pad="10"/>
<contactref element="VR1-LINEAR-500K" pad="1"/>
<contactref element="VR1-LINEAR-500K" pad="2"/>
<contactref element="VR2-LINEAR-500K" pad="2"/>
</signal>
<signal name="GND">
<contactref element="BATTERY" pad="4"/>
<contactref element="0.01UF-R1" pad="2"/>
<contactref element="0.01UF-VR2" pad="2"/>
<contactref element="IC1" pad="7"/>
</signal>
<signal name="R1V+">
<contactref element="1K" pad="1"/>
<contactref element="IC1" pad="1"/>
<contactref element="VR1-LINEAR-500K" pad="3"/>
</signal>
<signal name="R1C1">
<contactref element="1K" pad="2"/>
<contactref element="0.01UF-R1" pad="1"/>
<contactref element="IC1" pad="6"/>
<contactref element="IC1" pad="2"/>
</signal>
<signal name="VR2C1">
<contactref element="0.01UF-VR2" pad="1"/>
<contactref element="IC1" pad="12"/>
<contactref element="IC1" pad="13"/>
<contactref element="VR2-LINEAR-500K" pad="3"/>
</signal>
<signal name="5-8">
<contactref element="IC1" pad="8"/>
<contactref element="IC1" pad="5"/>
</signal>
<signal name="9SPK">
<contactref element="VR3-VOL-LOG-100K" pad="2"/>
<contactref element="VR3-VOL-LOG-100K" pad="1"/>
<contactref element="10UF-VR1" pad="2"/>
</signal>
<signal name="SPK">
<contactref element="SPEAKER" pad="3"/>
<contactref element="VR3-VOL-LOG-100K" pad="3"/>
</signal>
<signal name="9">
<contactref element="IC1" pad="9"/>
<contactref element="10UF-VR1" pad="1"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
