<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="7.5.0">
<drawing>
<board>
<plain>
<wire x1="0" y1="0" x2="100" y2="0" width="0" layer="20"/>
<wire x1="100" y1="0" x2="100" y2="80" width="0" layer="20"/>
<wire x1="100" y1="80" x2="0" y2="80" width="0" layer="20"/>
<wire x1="0" y1="80" x2="0" y2="0" width="0" layer="20"/>
<text>+</text>
<text>+</text>
<text>+</text>
<text>-</text>
<text>-</text>
<text>chin</text>
</plain>
<libraries>
<library name="fab">
<packages>
<package name="2X02SMD">
</package>
<package name="C1206FAB">
</package>
<package name="SOIC14">
<description>&lt;b&gt;Small Outline Package&lt;/b&gt;</description>
</package>
<package name="SOIC8">
<description>&lt;B&gt;Wide Plastic Gull Wing Small Outline Package&lt;/B&gt;</description>
</package>
<package name="2X03SMD">
</package>
<package name="LED1206FAB">
<description>LED1206 FAB style (smaller pads to allow trace between)</description>
</package>
<package name="R1206FAB">
</package>
</packages>
</library>
<library name="linear">
<description>&lt;b&gt;Linear Devices&lt;/b&gt;&lt;p&gt;
Operational amplifiers,  comparators, voltage regulators, ADCs, DACs, etc.&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="SOT223">
<description>&lt;b&gt;Small Outline Transistor&lt;/b&gt;</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="J4" library="fab" package="2X02SMD" value="Switch"/>
<element name="C1" library="fab" package="C1206FAB" value="1uf"/>
<element name="C4" library="fab" package="C1206FAB" value="0.1uF"/>
<element name="C5" library="fab" package="C1206FAB" value="10uf"/>
<element name="C2" library="fab" package="C1206FAB" value="0.1uf"/>
<element name="C3" library="fab" package="C1206FAB" value="10uf"/>
<element name="IC1" library="fab" package="SOIC14" value="ATTINY44-SSU"/>
<element name="IC2" library="linear" package="SOT223" value="5V Regulator"/>
<element name="IC4" library="fab" package="SOIC8" value="A4950"/>
<element name="IC3" library="fab" package="SOIC8" value="A4950"/>
<element name="J1-ISP" library="fab" package="2X03SMD" value="AVRISPSMD"/>
<element name="J2" library="fab" package="2X02SMD" value="12V Power"/>
<element name="J3" library="fab" package="2X02SMD" value="Stepper Motor"/>
<element name="LED" library="fab" package="LED1206FAB" value="LEDFAB1206"/>
<element name="R3" library="fab" package="R1206FAB" value="1K"/>
<element name="R2" library="fab" package="R1206FAB" value="10K"/>
<element name="R1" library="fab" package="R1206FAB" value="10K"/>
</elements>
<signals>
<signal name="GND">
<contactref element="IC1" pad="14"/>
<contactref element="J1-ISP" pad="6"/>
<contactref element="IC4" pad="1"/>
<contactref element="J2" pad="4"/>
<contactref element="IC2" pad="4"/>
<contactref element="C1" pad="2"/>
<contactref element="J2" pad="3"/>
<contactref element="IC3" pad="1"/>
<contactref element="IC4" pad="7"/>
<contactref element="IC3" pad="7"/>
<contactref element="C5" pad="1"/>
<contactref element="C4" pad="1"/>
<contactref element="LED" pad="2"/>
<contactref element="J4" pad="1"/>
<contactref element="J4" pad="3"/>
<contactref element="C3" pad="1"/>
<contactref element="C2" pad="1"/>
</signal>
<signal name="N$1">
<contactref element="IC3" pad="2"/>
<contactref element="IC1" pad="13"/>
</signal>
<signal name="N$2">
<contactref element="IC3" pad="3"/>
<contactref element="IC1" pad="12"/>
</signal>
<signal name="MOSI">
<contactref element="J1-ISP" pad="4"/>
<contactref element="IC1" pad="7"/>
</signal>
<signal name="N$8">
<contactref element="J1-ISP" pad="1"/>
<contactref element="IC1" pad="8"/>
</signal>
<signal name="SCK">
<contactref element="IC4" pad="3"/>
<contactref element="J1-ISP" pad="3"/>
<contactref element="IC1" pad="9"/>
</signal>
<signal name="RST">
<contactref element="J1-ISP" pad="5"/>
<contactref element="R1" pad="1"/>
<contactref element="IC1" pad="4"/>
</signal>
<signal name="N$4">
<contactref element="IC1" pad="10"/>
<contactref element="IC4" pad="2"/>
</signal>
<signal name="N$5">
<contactref element="IC4" pad="8"/>
<contactref element="J3" pad="1"/>
</signal>
<signal name="N$6">
<contactref element="J3" pad="3"/>
<contactref element="IC4" pad="6"/>
</signal>
<signal name="N$7">
<contactref element="IC3" pad="8"/>
<contactref element="J3" pad="2"/>
</signal>
<signal name="N$9">
<contactref element="IC3" pad="6"/>
<contactref element="J3" pad="4"/>
</signal>
<signal name="VBB">
<contactref element="IC4" pad="5"/>
<contactref element="IC3" pad="5"/>
<contactref element="C4" pad="2"/>
<contactref element="C5" pad="2"/>
<contactref element="J2" pad="1"/>
<contactref element="IC2" pad="1"/>
<contactref element="J2" pad="2"/>
<contactref element="C3" pad="2"/>
<contactref element="C2" pad="2"/>
</signal>
<signal name="LED">
<contactref element="IC1" pad="6"/>
<contactref element="R3" pad="2"/>
</signal>
<signal name="PUSHBUTTON">
<contactref element="IC1" pad="5"/>
<contactref element="J4" pad="2"/>
<contactref element="R2" pad="1"/>
<contactref element="J4" pad="4"/>
</signal>
<signal name="N$10">
<contactref element="LED" pad="1"/>
<contactref element="R3" pad="1"/>
</signal>
<signal name="VO">
<contactref element="IC2" pad="3"/>
<contactref element="C1" pad="1"/>
<contactref element="IC1" pad="1"/>
<contactref element="R2" pad="2"/>
<contactref element="R1" pad="2"/>
<contactref element="J1-ISP" pad="2"/>
<contactref element="IC4" pad="4"/>
<contactref element="IC1" pad="11"/>
<contactref element="IC3" pad="4"/>
</signal>
<signal name="N$3">
</signal>
</signals>
</board>
</drawing>
</eagle>
