<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="6.3">
<drawing>
<board>
<plain>
<wire x1="12.7" y1="0" x2="15.24" y2="2.54" width="0" layer="20" curve="90"/>
<wire x1="15.24" y1="2.54" x2="15.24" y2="17.907" width="0" layer="20"/>
<wire x1="15.24" y1="17.907" x2="12.7" y2="20.447" width="0" layer="20" curve="90"/>
<wire x1="12.7" y1="20.447" x2="2.54" y2="20.447" width="0" layer="20"/>
<wire x1="2.54" y1="20.447" x2="0" y2="17.907" width="0" layer="20" curve="90"/>
<wire x1="0" y1="17.907" x2="0" y2="2.54" width="0" layer="20"/>
<wire x1="0" y1="2.54" x2="2.54" y2="0" width="0" layer="20" curve="90"/>
<wire x1="2.54" y1="0" x2="12.7" y2="0" width="0" layer="20"/>
<text>HV</text>
<text>LV</text>
<text>B2</text>
<text>GND</text>
<text>B1</text>
<text>A2</text>
<text>GND</text>
<text>A1</text>
<text>4 Bi-Directional</text>
<text>Level Shifters</text>
<text>LV:1.8V-HV</text>
<text>HV:LV-10V</text>
<text>I2C  SPI</text>
<text>Works with</text>
<text>adafruit!</text>
<text>A4</text>
<text>A3</text>
<text>B3</text>
<text>B4</text>
<text>BSS138 FETs</text>
<text>TTL Serial</text>
</plain>
<libraries>
<library name="adafruit">
<packages>
<package name="SOT23">
<description>&lt;b&gt;SOT-23&lt;/b&gt;</description>
</package>
<package name="R0805">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
chip</description>
</package>
<package name="1X06-CLEANBIG">
</package>
</packages>
</library>
<library name="microbuilder">
<packages>
<package name="ADAFRUIT_3.5MM">
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="Q2" library="adafruit" package="SOT23" value="BSS138"/>
<element name="Q1" library="adafruit" package="SOT23" value="BSS138"/>
<element name="R2" library="adafruit" package="R0805" value="10K"/>
<element name="R3" library="adafruit" package="R0805" value="10K"/>
<element name="R4" library="adafruit" package="R0805" value="10K"/>
<element name="R1" library="adafruit" package="R0805" value="10K"/>
<element name="JP3" library="adafruit" package="1X06-CLEANBIG" value=""/>
<element name="JP4" library="adafruit" package="1X06-CLEANBIG" value=""/>
<element name="Q3" library="adafruit" package="SOT23" value="BSS138"/>
<element name="R5" library="adafruit" package="R0805" value="10K"/>
<element name="R6" library="adafruit" package="R0805" value="10K"/>
<element name="Q4" library="adafruit" package="SOT23" value="BSS138"/>
<element name="R7" library="adafruit" package="R0805" value="10K"/>
<element name="R8" library="adafruit" package="R0805" value="10K"/>
<element name="U$1" library="microbuilder" package="ADAFRUIT_3.5MM" value=""/>
</elements>
<signals>
<signal name="GND">
<contactref element="JP4" pad="1"/>
<contactref element="JP3" pad="1"/>
</signal>
<signal name="N$6">
<contactref element="Q2" pad="2"/>
<contactref element="R4" pad="2"/>
<contactref element="JP3" pad="4"/>
</signal>
<signal name="N$8">
<contactref element="Q2" pad="3"/>
<contactref element="R3" pad="2"/>
<contactref element="JP4" pad="4"/>
</signal>
<signal name="N$9">
<contactref element="Q1" pad="2"/>
<contactref element="R1" pad="1"/>
<contactref element="JP3" pad="5"/>
</signal>
<signal name="N$2">
<contactref element="Q1" pad="3"/>
<contactref element="R2" pad="1"/>
<contactref element="JP4" pad="5"/>
</signal>
<signal name="+3V3">
<contactref element="Q1" pad="1"/>
<contactref element="Q2" pad="1"/>
<contactref element="R1" pad="2"/>
<contactref element="R4" pad="1"/>
<contactref element="JP3" pad="6"/>
<contactref element="Q3" pad="1"/>
<contactref element="R5" pad="1"/>
<contactref element="R8" pad="1"/>
<contactref element="Q4" pad="1"/>
</signal>
<signal name="+5V">
<contactref element="R2" pad="2"/>
<contactref element="R3" pad="1"/>
<contactref element="JP4" pad="6"/>
<contactref element="R6" pad="1"/>
<contactref element="R7" pad="1"/>
</signal>
<signal name="N$1">
<contactref element="Q3" pad="3"/>
<contactref element="R6" pad="2"/>
<contactref element="JP4" pad="3"/>
</signal>
<signal name="N$3">
<contactref element="Q3" pad="2"/>
<contactref element="R5" pad="2"/>
<contactref element="JP3" pad="3"/>
</signal>
<signal name="N$4">
<contactref element="JP3" pad="2"/>
<contactref element="R8" pad="2"/>
<contactref element="Q4" pad="2"/>
</signal>
<signal name="N$5">
<contactref element="Q4" pad="3"/>
<contactref element="R7" pad="2"/>
<contactref element="JP4" pad="2"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
