<?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="28" y2="0" width="0" layer="20"/>
<wire x1="28" y1="0" x2="28" y2="34" width="0" layer="20"/>
<wire x1="28" y1="34" x2="0" y2="34" width="0" layer="20"/>
<wire x1="0" y1="34" x2="0" y2="0" width="0" layer="20"/>
<hole x="26" y="32" drill="3.2"/>
<hole x="4" y="32" drill="3.2"/>
<hole x="26" y="2" drill="3.2"/>
<hole x="2" y="2" drill="3.2"/>
</plain>
<libraries>
<library name="battery holder">
<packages>
<package name="MPD_BATTERYHOLDER_12MM">
</package>
</packages>
</library>
<library name="Cap_smd">
<packages>
<package name="3MMSMDCAP">
</package>
</packages>
</library>
<library name="EEPROMS">
<packages>
<package name="SOIC8-150MIL_BODY">
</package>
</packages>
</library>
<library name="Resistor_0805">
<packages>
<package name="0805">
</package>
</packages>
</library>
<library name="SMD_LED">
<packages>
<package name="0805SMDLED">
</package>
</packages>
</library>
<library name="Tac_Switch">
<packages>
<package name="4-LEADSMD-TAC-SWI">
</package>
</packages>
</library>
<library name="Caps">
<packages>
<package name="0805">
</package>
</packages>
</library>
<library name="Transistors">
<packages>
<package name="SOT23">
</package>
</packages>
</library>
<library name="Resistors">
<packages>
<package name="0805">
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="B1" library="battery holder" package="MPD_BATTERYHOLDER_12MM" value="3V"/>
<element name="C1" library="Cap_smd" package="3MMSMDCAP" value="">
<attribute name="VALUE"/>
<attribute name="NAME"/>
</element>
<element name="U2" library="EEPROMS" package="SOIC8-150MIL_BODY" value="M24C08-WMN6P_EEPROM">
<attribute name="NAME"/>
</element>
<element name="U1" library="EEPROMS" package="SOIC8-150MIL_BODY" value="M24C08-WMN6P_EEPROM">
<attribute name="NAME"/>
</element>
<element name="R1" library="Resistor_0805" package="0805" value="2.2k"/>
<element name="R2" library="Resistor_0805" package="0805" value="2.2k"/>
<element name="SDA-LED" library="SMD_LED" package="0805SMDLED" value="1.8V 20mA">
<attribute name="NAME"/>
</element>
<element name="SCL-LED" library="SMD_LED" package="0805SMDLED" value="1.8V 20mA">
<attribute name="NAME"/>
</element>
<element name="CLOCKBUTTON" library="Tac_Switch" package="4-LEADSMD-TAC-SWI" value="">
<attribute name="NAME"/>
</element>
<element name="DATABUTTON" library="Tac_Switch" package="4-LEADSMD-TAC-SWI" value="">
<attribute name="NAME"/>
</element>
<element name="C2" library="Caps" package="0805" value="1uf">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C3" library="Caps" package="0805" value="1uf"/>
<element name="Q1" library="Transistors" package="SOT23" value="MMBT3904">
<attribute name="DIGIKEY" value="568-4510-1-ND"/>
<attribute name="NAME"/>
</element>
<element name="Q2" library="Transistors" package="SOT23" value="MMBT3904">
<attribute name="DIGIKEY" value="568-4510-1-ND"/>
<attribute name="NAME"/>
</element>
<element name="Q4" library="Transistors" package="SOT23" value="MMBT3904">
<attribute name="DIGIKEY" value="568-4510-1-ND"/>
<attribute name="NAME"/>
</element>
<element name="Q3" library="Transistors" package="SOT23" value="MMBT3904">
<attribute name="DIGIKEY" value="568-4510-1-ND"/>
<attribute name="NAME"/>
</element>
<element name="R3" library="Resistors" package="0805" value="1000"/>
<element name="R4" library="Resistors" package="0805" value="1000"/>
<element name="R5" library="Resistors" package="0805" value="10k">
<attribute name="SCLPULLUP"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R6" library="Resistors" package="0805" value="10k">
<attribute name="SDAPULLUP"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
</elements>
<signals>
<signal name="VCC">
<contactref element="B1" pad="+"/>
<contactref element="B1" pad="++"/>
<contactref element="C1" pad="+"/>
<contactref element="U2" pad="8"/>
<contactref element="U2" pad="3"/>
<contactref element="U1" pad="8"/>
<contactref element="U1" pad="7"/>
<contactref element="U2" pad="7"/>
<contactref element="R6" pad="2"/>
<contactref element="R5" pad="2"/>
<contactref element="R1" pad="2"/>
<contactref element="R2" pad="2"/>
<contactref element="CLOCKBUTTON" pad="1"/>
<contactref element="CLOCKBUTTON" pad="2"/>
<contactref element="DATABUTTON" pad="1"/>
<contactref element="DATABUTTON" pad="2"/>
</signal>
<signal name="GND">
<contactref element="B1" pad="-"/>
<contactref element="C1" pad="-"/>
<contactref element="U2" pad="2"/>
<contactref element="U2" pad="1"/>
<contactref element="U2" pad="4"/>
<contactref element="U1" pad="4"/>
<contactref element="U1" pad="2"/>
<contactref element="U1" pad="1"/>
<contactref element="U1" pad="3"/>
<contactref element="Q1" pad="2"/>
<contactref element="Q2" pad="2"/>
<contactref element="Q4" pad="2"/>
<contactref element="Q3" pad="2"/>
<contactref element="C3" pad="2"/>
<contactref element="C2" pad="2"/>
</signal>
<signal name="SCL">
<contactref element="U2" pad="6"/>
<contactref element="U1" pad="6"/>
<contactref element="R5" pad="1"/>
<contactref element="Q1" pad="1"/>
<contactref element="Q2" pad="1"/>
<contactref element="Q3" pad="3"/>
<contactref element="Q4" pad="3"/>
</signal>
<signal name="SDA">
<contactref element="U2" pad="5"/>
<contactref element="U1" pad="5"/>
<contactref element="R6" pad="1"/>
</signal>
<signal name="N$1">
<contactref element="SCL-LED" pad="+"/>
<contactref element="R1" pad="1"/>
</signal>
<signal name="N$2">
<contactref element="SDA-LED" pad="+"/>
<contactref element="R2" pad="1"/>
</signal>
<signal name="N$3">
<contactref element="SCL-LED" pad="-"/>
<contactref element="Q1" pad="3"/>
</signal>
<signal name="N$4">
<contactref element="SDA-LED" pad="-"/>
<contactref element="Q2" pad="3"/>
</signal>
<signal name="N$5">
<contactref element="CLOCKBUTTON" pad="3"/>
<contactref element="CLOCKBUTTON" pad="4"/>
<contactref element="R4" pad="1"/>
</signal>
<signal name="N$6">
<contactref element="DATABUTTON" pad="3"/>
<contactref element="DATABUTTON" pad="4"/>
<contactref element="R3" pad="1"/>
</signal>
<signal name="N$7">
<contactref element="Q3" pad="1"/>
<contactref element="C3" pad="1"/>
<contactref element="R4" pad="2"/>
</signal>
<signal name="N$8">
<contactref element="Q4" pad="1"/>
<contactref element="C2" pad="1"/>
<contactref element="R3" pad="2"/>
</signal>
<signal name="N$9">
</signal>
</signals>
</board>
</drawing>
</eagle>
