<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="7.5.0">
<drawing>
<board>
<plain>
<wire x1="22.86" y1="25.781" x2="89.332" y2="25.781" width="0" layer="20"/>
<wire x1="89.332" y1="25.781" x2="89.332" y2="72.38" width="0" layer="20"/>
<wire x1="89.332" y1="72.38" x2="22.86" y2="72.38" width="0" layer="20"/>
<wire x1="22.86" y1="72.38" x2="22.86" y2="25.781" width="0" layer="20"/>
<text>aron</text>
<text>stepper</text>
<text>B1</text>
<text>B2</text>
<text>GND</text>
<text>TX</text>
<text>RX</text>
</plain>
<libraries>
<library name="fab">
<packages>
<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="2X02SMD">
</package>
<package name="R1206FAB">
</package>
<package name="2X03SMD">
</package>
<package name="C1206FAB">
</package>
<package name="SOT23">
<description>&lt;b&gt;SOT 23&lt;/b&gt;</description>
</package>
<package name="1X06SMD">
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="IC1" library="fab" package="SOIC14" value="ATTINY44-SSU"/>
<element name="U$1" library="fab" package="SOIC8" value="A4953-H-BRIDGE-MOTOR-DRIVER"/>
<element name="U$3" library="fab" package="SOIC8" value="A4953-H-BRIDGE-MOTOR-DRIVER"/>
<element name="U$2" library="fab" package="2X02SMD" value="PINHD-2X2-SMD"/>
<element name="R1" library="fab" package="R1206FAB" value=""/>
<element name="U$4" library="fab" package="2X03SMD" value="AVRISPSMD"/>
<element name="C1" library="fab" package="C1206FAB" value="1μF"/>
<element name="C2" library="fab" package="C1206FAB" value="1μF"/>
<element name="C3" library="fab" package="C1206FAB" value="10μF"/>
<element name="C4" library="fab" package="C1206FAB" value="1μF"/>
<element name="C5" library="fab" package="C1206FAB" value="10μF"/>
<element name="POWER" library="fab" package="2X02SMD" value="PINHD-2X2-SMD"/>
<element name="IC2" library="fab" package="SOT23" value=""/>
<element name="BUTTON1" library="fab" package="2X02SMD" value="PINHD-2X2-SMD"/>
<element name="U$5" library="fab" package="1X06SMD" value="FTDI-SMD-HEADER"/>
</elements>
<signals>
<signal name="GND">
<contactref element="IC1" pad="14"/>
<contactref element="U$3" pad="1"/>
<contactref element="U$1" pad="1"/>
<contactref element="U$4" pad="6"/>
<contactref element="C1" pad="1"/>
<contactref element="C2" pad="1"/>
<contactref element="C3" pad="1"/>
<contactref element="C4" pad="1"/>
<contactref element="C5" pad="1"/>
<contactref element="POWER" pad="3"/>
<contactref element="POWER" pad="4"/>
<contactref element="IC2" pad="3"/>
<contactref element="BUTTON1" pad="1"/>
<contactref element="BUTTON1" pad="3"/>
<contactref element="U$5" pad="1"/>
</signal>
<signal name="VCC">
<contactref element="IC1" pad="1"/>
<contactref element="U$3" pad="4"/>
<contactref element="U$1" pad="4"/>
<contactref element="IC1" pad="11"/>
<contactref element="R1" pad="2"/>
<contactref element="U$4" pad="2"/>
<contactref element="C1" pad="2"/>
<contactref element="IC2" pad="1"/>
</signal>
<signal name="N$8">
<contactref element="U$1" pad="7"/>
</signal>
<signal name="N$15">
<contactref element="U$3" pad="7"/>
</signal>
<signal name="MOSI">
<contactref element="IC1" pad="7"/>
<contactref element="U$4" pad="4"/>
</signal>
<signal name="MISO">
<contactref element="IC1" pad="8"/>
<contactref element="U$4" pad="1"/>
</signal>
<signal name="SCK">
<contactref element="IC1" pad="9"/>
<contactref element="U$3" pad="3"/>
<contactref element="U$4" pad="3"/>
</signal>
<signal name="2">
<contactref element="U$1" pad="8"/>
<contactref element="U$2" pad="2"/>
</signal>
<signal name="1">
<contactref element="U$3" pad="8"/>
<contactref element="U$2" pad="1"/>
</signal>
<signal name="3">
<contactref element="U$3" pad="6"/>
<contactref element="U$2" pad="3"/>
</signal>
<signal name="4">
<contactref element="U$1" pad="6"/>
<contactref element="U$2" pad="4"/>
</signal>
<signal name="IN">
<contactref element="U$3" pad="5"/>
<contactref element="U$1" pad="5"/>
<contactref element="C2" pad="2"/>
<contactref element="C3" pad="2"/>
<contactref element="C4" pad="2"/>
<contactref element="C5" pad="2"/>
<contactref element="POWER" pad="1"/>
<contactref element="POWER" pad="2"/>
<contactref element="IC2" pad="2"/>
</signal>
<signal name="PB2">
<contactref element="IC1" pad="5"/>
<contactref element="U$5" pad="4"/>
</signal>
<signal name="PB1">
<contactref element="IC1" pad="3"/>
<contactref element="BUTTON1" pad="4"/>
</signal>
<signal name="PB0">
<contactref element="IC1" pad="2"/>
<contactref element="BUTTON1" pad="2"/>
</signal>
<signal name="PA7">
<contactref element="IC1" pad="6"/>
<contactref element="U$5" pad="5"/>
</signal>
<signal name="PA3">
<contactref element="IC1" pad="10"/>
<contactref element="U$3" pad="2"/>
</signal>
<signal name="PA1">
<contactref element="IC1" pad="12"/>
<contactref element="U$1" pad="3"/>
</signal>
<signal name="RST">
<contactref element="IC1" pad="4"/>
<contactref element="R1" pad="1"/>
<contactref element="U$4" pad="5"/>
</signal>
<signal name="PA0">
<contactref element="U$1" pad="2"/>
<contactref element="IC1" pad="13"/>
</signal>
<signal name="N$1">
</signal>
<signal name="N$3">
<contactref element="U$5" pad="2"/>
</signal>
<signal name="N$4">
<contactref element="U$5" pad="3"/>
</signal>
<signal name="N$7">
<contactref element="U$5" pad="6"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
