<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="6.4">
<drawing>
<board>
<plain>
<wire x1="0" y1="0" x2="31.166" y2="0" width="0" layer="20"/>
<wire x1="31.166" y1="0" x2="31.166" y2="30.978" width="0" layer="20"/>
<wire x1="31.166" y1="30.978" x2="0" y2="30.978" width="0" layer="20"/>
<wire x1="0" y1="30.978" x2="0" y2="0" width="0" layer="20"/>
</plain>
<libraries>
<library name="fab">
<packages>
<package name="SOIC14">
<description>&lt;b&gt;Small Outline Package&lt;/b&gt;</description>
</package>
<package name="2X03SMD">
</package>
<package name="SOT23">
<description>&lt;b&gt;SOT 23&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="01_FAB_Hello">
<packages>
<package name="2X03SMD">
</package>
<package name="1206">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
chip</description>
</package>
</packages>
</library>
<library name="01_SparkFun">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
We've spent an enormous amount of time creating and checking these footprints and parts. If you enjoy using this library, please buy one of our products at www.sparkfun.com.
&lt;br&gt;&lt;br&gt;
&lt;b&gt;Licensing:&lt;/b&gt; CC v3.0 Share-Alike You are welcome to use this library for commercial purposes. For attribution, we ask that when you begin to sell your device using our footprint, you email us with a link to the product being sold. We want bragging rights that we helped (in a very small part) to create your 8th world wonder. We would like the opportunity to feature your device on our homepage.</description>
<packages>
<package name="SOT23-3">
</package>
</packages>
</library>
<library name="01_fab">
<packages>
<package name="2X02SMD">
</package>
<package name="OP1206">
</package>
</packages>
</library>
<library name="01_ng">
<description>Neil Gershenfeld's library</description>
<packages>
<package name="1206">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
chip</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="IC1" library="fab" package="SOIC14" value="ATTINY44-SSU"/>
<element name="U$2" library="fab" package="2X03SMD" value="AVRISPSMD"/>
<element name="J3STEPPER" library="01_FAB_Hello" package="2X03SMD" value="AVRISPSMD"/>
<element name="T1" library="01_SparkFun" package="SOT23-3" value="MOSFET-NCHANNELSMD"/>
<element name="T2" library="01_SparkFun" package="SOT23-3" value="MOSFET-NCHANNELSMD"/>
<element name="T3" library="01_SparkFun" package="SOT23-3" value="MOSFET-NCHANNELSMD"/>
<element name="T4" library="01_SparkFun" package="SOT23-3" value="MOSFET-NCHANNELSMD"/>
<element name="R1" library="01_FAB_Hello" package="1206" value="10k"/>
<element name="C1" library="01_FAB_Hello" package="1206" value="1uF"/>
<element name="IC2" library="fab" package="SOT23" value="5v"/>
<element name="J2POWER" library="01_fab" package="2X02SMD" value="PINHD-2X2-SMD"/>
<element name="U$1" library="01_fab" package="OP1206" value="PHOTOTRANSISTOR-NPN1206"/>
<element name="R2" library="01_ng" package="1206" value="49.9k"/>
<element name="R3" library="01_ng" package="1206" value="0"/>
</elements>
<signals>
<signal name="GND">
<contactref element="U$2" pad="6"/>
<contactref element="IC1" pad="14"/>
<contactref element="T1" pad="2"/>
<contactref element="T2" pad="2"/>
<contactref element="T3" pad="2"/>
<contactref element="T4" pad="2"/>
<contactref element="J2POWER" pad="3"/>
<contactref element="J2POWER" pad="4"/>
<contactref element="U$1" pad="EMITTER"/>
</signal>
<signal name="VCC">
<contactref element="IC1" pad="1"/>
<contactref element="U$2" pad="2"/>
<contactref element="R1" pad="2"/>
<contactref element="C1" pad="2"/>
<contactref element="IC2" pad="1"/>
<contactref element="R3" pad="2"/>
</signal>
<signal name="MOSI">
<contactref element="IC1" pad="7"/>
<contactref element="U$2" pad="4"/>
</signal>
<signal name="MISO">
<contactref element="U$2" pad="1"/>
<contactref element="IC1" pad="8"/>
</signal>
<signal name="SCK">
<contactref element="U$2" pad="3"/>
<contactref element="IC1" pad="9"/>
</signal>
<signal name="RST">
<contactref element="U$2" pad="5"/>
<contactref element="R1" pad="1"/>
<contactref element="IC1" pad="4"/>
</signal>
<signal name="PA7">
<contactref element="IC1" pad="6"/>
<contactref element="U$1" pad="COLLECTOR"/>
<contactref element="R2" pad="1"/>
</signal>
<signal name="G1">
<contactref element="IC1" pad="13"/>
<contactref element="T1" pad="1"/>
</signal>
<signal name="D1">
<contactref element="J3STEPPER" pad="4"/>
<contactref element="T1" pad="3"/>
</signal>
<signal name="G2">
<contactref element="IC1" pad="12"/>
<contactref element="T2" pad="1"/>
</signal>
<signal name="D2">
<contactref element="J3STEPPER" pad="3"/>
<contactref element="T2" pad="3"/>
</signal>
<signal name="D3">
<contactref element="J3STEPPER" pad="6"/>
<contactref element="T3" pad="3"/>
</signal>
<signal name="D4">
<contactref element="J3STEPPER" pad="5"/>
<contactref element="T4" pad="3"/>
</signal>
<signal name="G4">
<contactref element="IC1" pad="10"/>
<contactref element="T4" pad="1"/>
</signal>
<signal name="G3">
<contactref element="IC1" pad="11"/>
<contactref element="T3" pad="1"/>
</signal>
<signal name="N$1">
<contactref element="IC2" pad="3"/>
<contactref element="C1" pad="1"/>
</signal>
<signal name="5V">
<contactref element="J2POWER" pad="2"/>
<contactref element="IC2" pad="2"/>
<contactref element="J2POWER" pad="1"/>
<contactref element="J3STEPPER" pad="1"/>
<contactref element="J3STEPPER" pad="2"/>
</signal>
<signal name="N$3">
<contactref element="R2" pad="2"/>
<contactref element="R3" pad="1"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
