<?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="28.372" y2="0" width="0" layer="20"/>
<wire x1="28.372" y1="0" x2="28.372" y2="13.452" width="0" layer="20"/>
<wire x1="0" y1="13.208" x2="0" y2="0" width="0" layer="20"/>
<wire x1="16.51" y1="21.844" x2="9.398" y2="21.844" width="0" layer="20"/>
<wire x1="9.398" y1="21.844" x2="9.398" y2="13.208" width="0" layer="20"/>
<wire x1="9.398" y1="13.208" x2="0" y2="13.208" width="0" layer="20"/>
<wire x1="16.51" y1="21.844" x2="16.51" y2="13.208" width="0" layer="20"/>
<wire x1="16.51" y1="13.208" x2="28.448" y2="13.208" width="0" layer="20"/>
<text>SDA5</text>
<text>5V0</text>
<text>3V3</text>
<text>GND</text>
<text>SCL5</text>
<text>5V0</text>
<text>SDA3</text>
<text>3V3</text>
<text>GND</text>
<text>SCL3</text>
<text>3V
I2C</text>
<text>5V
I2C</text>
<text>I2C Level Shifter</text>
<text>Mike Litster</text>
<text>Oct 2013 rev0</text>
<text>I2C Level Shifter
Mike Litster</text>
<text>Oct 2013 rev0</text>
</plain>
<libraries>
<library name="Grove - NunChuck  v1.0">
<description>Generated from &lt;b&gt;Grove - NunChuck  v1.0.sch&lt;/b&gt;&lt;p&gt;
by exp-lbrs.ulp</description>
<packages>
<package name="WIICHUCK">
</package>
</packages>
</library>
<library name="fairchild-semic">
<description>&lt;b&gt;FAIRCHILD SEMICONDUCTOR&lt;/b&gt; Integrated Circuits&lt;p&gt;
www.fairchildsemi.com</description>
<packages>
<package name="DPAK/TO252">
<description>&lt;B&gt;DPAK/TO252&lt;/B&gt;&lt;P&gt;

http://www.fairchildsemi.com/dwg/TO/TO252D03.pdf</description>
</package>
</packages>
</library>
<library name="Atmega168 Dev Board rev1">
<description>Generated from &lt;b&gt;Atmega168 Dev Board rev1.sch&lt;/b&gt;&lt;p&gt;
by exp-lbrs.ulp</description>
<packages>
<package name="1206">
</package>
</packages>
</library>
<library name="I2C Level Shifter">
<description>Generated from &lt;b&gt;I2C Level Shifter.sch&lt;/b&gt;&lt;p&gt;
by exp-lbrs.ulp</description>
<packages>
<package name="SSW-105-02-S-S">
<description>&lt;b&gt;THROUGH-HOLE .025" SQ POST SOCKET&lt;/b&gt;&lt;p&gt;
Source: Samtec SSW.pdf</description>
</package>
<package name="DCT8">
</package>
<package name="OSHW_GOLD_TOP">
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="U1" library="I2C Level Shifter" package="DCT8" value="PCA9306_DCT_8">
<attribute name="DATASHEETURL" value="http://www.ti.com/lit/gpn/PCA9306"/>
<attribute name="PIN_COUNT" value="8"/>
<attribute name="GENERIC_PART_NUMBER" value="PCA9306"/>
<attribute name="DESCRIPTION" value="Dual Bi-Directional I2C-Bus and SMBus Voltage Level-Translator"/>
<attribute name="FAMILY_NAME" value="I2C SPECIAL FUNCTION"/>
<attribute name="MANUFACTURER" value="Texas Instruments"/>
<attribute name="INDUSTRY_STD_PKG_TYPE" value="SM8"/>
<attribute name="VENDOR" value="Texas Instruments"/>
<attribute name="MANUFACTURER_PART_NUMBER" value="pca9306_dct_8"/>
<attribute name="PACKAGE_DESIGNATOR" value="DCT"/>
<attribute name="NAME"/>
</element>
<element name="NUNCHUK" library="Grove - NunChuck  v1.0" package="WIICHUCK" value="1">
<attribute name="NAME"/>
</element>
<element name="3V_I2C" library="I2C Level Shifter" package="SSW-105-02-S-S" value="3V I2C">
<attribute name="OC_NEWARK" value="11P9399"/>
<attribute name="MPN" value="SSW-105-02-S-S"/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
</element>
<element name="5V_I2C" library="I2C Level Shifter" package="SSW-105-02-S-S" value="SSW-105-02-S-S">
<attribute name="OC_NEWARK" value="11P9399"/>
<attribute name="MPN" value="SSW-105-02-S-S"/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
</element>
<element name="U$1" library="fairchild-semic" package="DPAK/TO252" value="KA78RH33RTF"/>
<element name="R1" library="Atmega168 Dev Board rev1" package="1206" value="R SCL3">
<attribute name="VALUE"/>
</element>
<element name="R2" library="Atmega168 Dev Board rev1" package="1206" value="R SDA3">
<attribute name="VALUE"/>
</element>
<element name="5V_I2C1" library="I2C Level Shifter" package="SSW-105-02-S-S" value="SSW-105-02-S-S">
<attribute name="OC_NEWARK" value="11P9399"/>
<attribute name="MPN" value="SSW-105-02-S-S"/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
</element>
<element name="U$3" library="I2C Level Shifter" package="OSHW_GOLD_TOP" value=""/>
</elements>
<signals>
<signal name="GND">
<contactref element="U1" pad="1"/>
<contactref element="NUNCHUK" pad="1"/>
<contactref element="U$1" pad="1"/>
<contactref element="5V_I2C" pad="2"/>
<contactref element="3V_I2C" pad="4"/>
<contactref element="5V_I2C1" pad="2"/>
</signal>
<signal name="SCL3">
<contactref element="U1" pad="3"/>
<contactref element="NUNCHUK" pad="3"/>
<contactref element="3V_I2C" pad="5"/>
<contactref element="R1" pad="1"/>
</signal>
<signal name="SDA3">
<contactref element="U1" pad="4"/>
<contactref element="NUNCHUK" pad="5"/>
<contactref element="R2" pad="1"/>
<contactref element="3V_I2C" pad="1"/>
</signal>
<signal name="SCL5">
<contactref element="U1" pad="6"/>
<contactref element="5V_I2C" pad="1"/>
<contactref element="5V_I2C1" pad="1"/>
</signal>
<signal name="SDA5">
<contactref element="U1" pad="5"/>
<contactref element="5V_I2C" pad="5"/>
<contactref element="5V_I2C1" pad="5"/>
</signal>
<signal name="N$10">
<contactref element="NUNCHUK" pad="2"/>
</signal>
<signal name="+5V">
<contactref element="U1" pad="7"/>
<contactref element="U1" pad="8"/>
<contactref element="5V_I2C" pad="4"/>
<contactref element="3V_I2C" pad="2"/>
<contactref element="U$1" pad="2"/>
<contactref element="5V_I2C1" pad="4"/>
</signal>
<signal name="+3V3">
<contactref element="5V_I2C" pad="3"/>
<contactref element="U1" pad="2"/>
<contactref element="NUNCHUK" pad="4"/>
<contactref element="3V_I2C" pad="3"/>
<contactref element="U$1" pad="3"/>
<contactref element="R1" pad="2"/>
<contactref element="R2" pad="2"/>
<contactref element="5V_I2C1" pad="3"/>
</signal>
<signal name="N$1">
</signal>
<signal name="N$2">
</signal>
</signals>
</board>
</drawing>
</eagle>
