<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="6.5.0">
<drawing>
<board>
<plain>
<wire x1="1.27" y1="1.27" x2="31.674" y2="1.27" width="0" layer="20"/>
<wire x1="31.674" y1="1.27" x2="31.674" y2="20.31" width="0" layer="20"/>
<wire x1="31.674" y1="20.31" x2="1.27" y2="20.31" width="0" layer="20"/>
<wire x1="1.27" y1="20.31" x2="1.27" y2="1.27" width="0" layer="20"/>
<hole x="5.08" y="5.08" drill="2.8"/>
<hole x="5.08" y="10.16" drill="2.8"/>
</plain>
<libraries>
<library name="attiny25_45_85">
<packages>
<package name="PDIP08_300MIL">
<description>&lt;b&gt;DIL08 300mil&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="resistor">
<packages>
<package name="0207/10">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
type 0207, grid 10 mm</description>
</package>
<package name="C025-024X044">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;&lt;p&gt;
grid 2.5 mm, outline 2.4 x 4.4 mm</description>
</package>
<package name="E2-4">
<description>&lt;b&gt;ELECTROLYTIC CAPACITOR&lt;/b&gt;&lt;p&gt;
grid 2 mm, diameter 4 mm</description>
</package>
</packages>
</library>
<library name="con-lsta">
<packages>
<package name="FE08">
<description>&lt;b&gt;FEMALE HEADER&lt;/b&gt;</description>
</package>
<package name="FE05-1">
<description>&lt;b&gt;FEMALE HEADER&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="diode">
<description>&lt;b&gt;Diodes&lt;/b&gt;&lt;p&gt;
Based on the following sources:
&lt;ul&gt;
&lt;li&gt;Motorola : www.onsemi.com
&lt;li&gt;Fairchild : www.fairchildsemi.com
&lt;li&gt;Philips : www.semiconductors.com
&lt;li&gt;Vishay : www.vishay.de
&lt;/ul&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="D-2.5">
<description>&lt;b&gt;DIODE&lt;/b&gt;</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="IC1" library="attiny25_45_85" package="PDIP08_300MIL" value="ATTINY45-20PU"/>
<element name="R1" library="resistor" package="0207/10" value="1K5"/>
<element name="R2" library="resistor" package="0207/10" value="56"/>
<element name="R3" library="resistor" package="0207/10" value="56"/>
<element name="C2" library="resistor" package="C025-024X044" value="100nF"/>
<element name="C1" library="resistor" package="E2-4" value="10uF/16V"/>
<element name="R4" library="resistor" package="0207/10" value="4K7"/>
<element name="R5" library="resistor" package="0207/10" value="4K7"/>
<element name="RECP1" library="con-lsta" package="FE08" value="">
<attribute name="MF" value=""/>
<attribute name="MPN" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
<attribute name="OC_NEWARK" value="unknown"/>
</element>
<element name="D2" library="diode" package="D-2.5" value="1N4148"/>
<element name="RECP2" library="con-lsta" package="FE05-1" value="">
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
</element>
</elements>
<signals>
<signal name="GND">
<contactref element="IC1" pad="4"/>
<contactref element="C2" pad="2"/>
<contactref element="C1" pad="-"/>
<contactref element="RECP1" pad="1"/>
<contactref element="RECP1" pad="5"/>
<contactref element="RECP2" pad="3"/>
</signal>
<signal name="VCC">
<contactref element="R4" pad="2"/>
<contactref element="R5" pad="2"/>
<contactref element="RECP1" pad="2"/>
<contactref element="RECP2" pad="1"/>
<contactref element="IC1" pad="8"/>
<contactref element="C2" pad="1"/>
<contactref element="C1" pad="+"/>
<contactref element="IC1" pad="8"/>
<contactref element="R1" pad="2"/>
</signal>
<signal name="D-">
<contactref element="R1" pad="1"/>
<contactref element="R2" pad="1"/>
</signal>
<signal name="D+">
<contactref element="R3" pad="1"/>
</signal>
<signal name="N$3">
<contactref element="IC1" pad="7"/>
<contactref element="R3" pad="2"/>
</signal>
<signal name="N$4">
<contactref element="R2" pad="2"/>
<contactref element="IC1" pad="5"/>
</signal>
<signal name="SDA_OUT">
<contactref element="IC1" pad="2"/>
<contactref element="R5" pad="1"/>
<contactref element="RECP1" pad="7"/>
<contactref element="D2" pad="A"/>
<contactref element="RECP2" pad="5"/>
</signal>
<signal name="SCL_OUT">
<contactref element="IC1" pad="3"/>
<contactref element="R4" pad="1"/>
<contactref element="RECP1" pad="6"/>
<contactref element="RECP2" pad="4"/>
</signal>
<signal name="N$1">
<contactref element="D2" pad="C"/>
<contactref element="RECP1" pad="8"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
