<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="6.3">
<drawing>
<board>
<plain>
<wire x1="0" y1="0" x2="70.612" y2="0" width="0.4064" layer="20"/>
<wire x1="70.612" y1="0" x2="70.612" y2="33.528" width="0.4064" layer="20"/>
<wire x1="70.612" y1="33.528" x2="0" y2="33.528" width="0.4064" layer="20"/>
<wire x1="0" y1="33.528" x2="0" y2="0" width="0.4064" layer="20"/>
<text>04151 A</text>
<hole x="3.81" y="30.226" drill="3.175"/>
<hole x="3.81" y="3.302" drill="3.175"/>
<wire x1="0" y1="0" x2="0" y2="29.845" width="0.4064" layer="46"/>
<wire x1="0" y1="29.845" x2="3.683" y2="33.528" width="0.4064" layer="46" curve="-90"/>
<wire x1="3.683" y1="33.528" x2="67.31" y2="33.528" width="0.4064" layer="46"/>
<wire x1="67.31" y1="33.528" x2="70.612" y2="30.226" width="0.4064" layer="46" curve="-90"/>
<wire x1="70.612" y1="30.226" x2="70.612" y2="3.048" width="0.4064" layer="46"/>
<wire x1="70.612" y1="3.048" x2="70.612" y2="2.921" width="0.4064" layer="46"/>
<wire x1="67.691" y1="0" x2="0" y2="0" width="0.4064" layer="46"/>
<wire x1="67.818" y1="0" x2="70.612" y2="3.048" width="0.4064" layer="46" curve="88.705251"/>
<wire x1="9.398" y1="12.954" x2="13.208" y2="18.923" width="0.4064" layer="46" curve="180"/>
<wire x1="13.208" y1="18.923" x2="19.304" y2="21.209" width="0.4064" layer="46" curve="-224.907821"/>
<wire x1="19.304" y1="21.463" x2="24.892" y2="26.797" width="0.4064" layer="46" curve="262.939688"/>
<wire x1="24.892" y1="26.797" x2="29.337" y2="28.448" width="0.4064" layer="46" curve="-226.787616"/>
<wire x1="29.21" y1="28.575" x2="34.544" y2="25.527" width="0.4064" layer="46" curve="-180"/>
<wire x1="34.798" y1="25.781" x2="37.211" y2="20.193" width="0.4064" layer="46" curve="-180"/>
<wire x1="37.338" y1="20.193" x2="34.925" y2="15.24" width="0.4064" layer="46" curve="-180"/>
<wire x1="34.925" y1="15.24" x2="29.591" y2="12.065" width="0.4064" layer="46" curve="-180"/>
<wire x1="29.591" y1="12.065" x2="21.717" y2="9.906" width="0.4064" layer="46" curve="-180"/>
<wire x1="21.717" y1="9.906" x2="16.256" y2="9.017" width="0.4064" layer="46" curve="223.22853"/>
<wire x1="16.383" y1="9.144" x2="9.398" y2="12.827" width="0.4064" layer="46" curve="-175.881692"/>
</plain>
<libraries>
<library name="con-rj">
<packages>
<package name="RJ-12">
</package>
</packages>
</library>
<library name="micro-philips">
<packages>
<package name="SO16W">
<description>&lt;b&gt;Small Outline Package&lt;/b&gt; 7.6 x 10.6 mm</description>
</package>
</packages>
</library>
<library name="con-lstb">
<packages>
<package name="MA07-2">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="pot">
<packages>
<package name="PT-SPIN">
<description>&lt;b&gt;POTENTIOMETER&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="switch-dil">
<packages>
<package name="DIP03YL">
<description>&lt;b&gt;DIL/CODE SWITCH&lt;/b&gt;&lt;p&gt;</description>
</package>
</packages>
</library>
<library name="rcl">
<packages>
<package name="R1206">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
chip</description>
</package>
<package name="C1206">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;&lt;p&gt;
chip</description>
</package>
<package name="!FAT_E2,5-5">
<description>&lt;b&gt;ELECTROLYTIC CAPACITOR&lt;/b&gt;&lt;p&gt;
grid 2.54 mm, diameter 5 mm&lt;br&gt;
Size of 1uf @ 50v</description>
</package>
</packages>
</library>
<library name="buzzer">
<packages>
<package name="F/CM12P">
<description>&lt;b&gt;BUZZER&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="linear">
<packages>
<package name="TO92">
<description>&lt;b&gt;TO-92&lt;/b&gt;</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="U$1" library="con-rj" package="RJ-12" value="RJ-12"/>
<element name="IC1" library="micro-philips" package="SO16W" value="PCF8574T"/>
<element name="U$2" library="con-lstb" package="MA07-2" value="MA07-2-SGL"/>
<element name="R1" library="pot" package="PT-SPIN" value=""/>
<element name="S2" library="switch-dil" package="DIP03YL" value=""/>
<element name="R2" library="rcl" package="R1206" value=""/>
<element name="R3" library="rcl" package="R1206" value=""/>
<element name="R4" library="rcl" package="R1206" value=""/>
<element name="C1" library="rcl" package="C1206" value="100nf"/>
<element name="SG1" library="buzzer" package="F/CM12P" value="F/CM12P"/>
<element name="C4" library="rcl" package="C1206" value="100nf"/>
<element name="IC2" library="linear" package="TO92" value="78L05Z"/>
<element name="C5" library="rcl" package="!FAT_E2,5-5" value=""/>
<element name="C6" library="rcl" package="!FAT_E2,5-5" value=""/>
</elements>
<signals>
<signal name="GND">
<contactref element="U$1" pad="3_GND"/>
<contactref element="U$2" pad="1"/>
<contactref element="R1" pad="A"/>
<contactref element="R2" pad="1"/>
<contactref element="R3" pad="1"/>
<contactref element="R4" pad="1"/>
<contactref element="C1" pad="2"/>
<contactref element="C4" pad="2"/>
<contactref element="IC2" pad="2"/>
<contactref element="C6" pad="P$2"/>
<contactref element="C5" pad="P$2"/>
<contactref element="IC1" pad="8"/>
</signal>
<signal name="VCC">
<contactref element="U$1" pad="2_VCC"/>
<contactref element="U$2" pad="2"/>
<contactref element="R1" pad="E"/>
<contactref element="S2" pad="3"/>
<contactref element="S2" pad="2"/>
<contactref element="S2" pad="1"/>
<contactref element="C1" pad="1"/>
<contactref element="SG1" pad="+"/>
<contactref element="IC2" pad="1"/>
<contactref element="C5" pad="P$1"/>
<contactref element="IC1" pad="16"/>
</signal>
<signal name="N$7">
<contactref element="U$1" pad="1_SDA"/>
<contactref element="IC1" pad="15"/>
</signal>
<signal name="N$9">
<contactref element="U$1" pad="4_SCL"/>
<contactref element="IC1" pad="14"/>
</signal>
<signal name="D4">
<contactref element="IC1" pad="4"/>
<contactref element="U$2" pad="11"/>
</signal>
<signal name="D5">
<contactref element="IC1" pad="5"/>
<contactref element="U$2" pad="12"/>
</signal>
<signal name="D6">
<contactref element="IC1" pad="6"/>
<contactref element="U$2" pad="13"/>
</signal>
<signal name="D7">
<contactref element="IC1" pad="7"/>
<contactref element="U$2" pad="14"/>
</signal>
<signal name="RS">
<contactref element="IC1" pad="9"/>
<contactref element="U$2" pad="4"/>
</signal>
<signal name="E">
<contactref element="IC1" pad="11"/>
<contactref element="U$2" pad="6"/>
</signal>
<signal name="RW">
<contactref element="IC1" pad="10"/>
<contactref element="U$2" pad="5"/>
</signal>
<signal name="N$1">
<contactref element="U$2" pad="3"/>
<contactref element="R1" pad="S"/>
</signal>
<signal name="N$2">
<contactref element="IC1" pad="3"/>
<contactref element="S2" pad="4"/>
<contactref element="R2" pad="2"/>
</signal>
<signal name="N$3">
<contactref element="IC1" pad="2"/>
<contactref element="S2" pad="5"/>
<contactref element="R3" pad="2"/>
</signal>
<signal name="N$4">
<contactref element="IC1" pad="1"/>
<contactref element="S2" pad="6"/>
<contactref element="R4" pad="2"/>
</signal>
<signal name="N$5">
<contactref element="U$1" pad="5_INT"/>
<contactref element="IC1" pad="13"/>
</signal>
<signal name="N$8">
<contactref element="IC1" pad="12"/>
<contactref element="SG1" pad="-"/>
</signal>
<signal name="N$12">
<contactref element="U$1" pad="6_VAUX"/>
<contactref element="C4" pad="1"/>
<contactref element="IC2" pad="3"/>
<contactref element="C6" pad="P$1"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
