<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="7.7.0">
<drawing>
<board>
<plain>
<wire x1="2.286" y1="1.143" x2="77.267" y2="1.143" width="0" layer="20"/>
<wire x1="77.267" y1="1.143" x2="77.267" y2="29.073" width="0" layer="20"/>
<wire x1="77.267" y1="29.073" x2="2.286" y2="29.073" width="0" layer="20"/>
<wire x1="2.286" y1="29.073" x2="2.286" y2="1.143" width="0" layer="20"/>
</plain>
<libraries>
<library name="fab">
<packages>
<package name="C1206FAB">
</package>
<package name="SOIC14">
<description>&lt;b&gt;Small Outline Package&lt;/b&gt;</description>
</package>
<package name="LED1206FAB">
<description>LED1206 FAB style (smaller pads to allow trace between)</description>
</package>
<package name="R1206FAB">
</package>
<package name="EFOBM">
</package>
<package name="2X03SMD">
</package>
<package name="SOT23">
<description>&lt;b&gt;SOT 23&lt;/b&gt;</description>
</package>
<package name="2X02SMD">
</package>
<package name="AYZ0102AGRLC">
</package>
</packages>
</library>
<library name="RepRapjr">
<packages>
<package name="A4988BREAKOUT">
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="C1" library="fab" package="C1206FAB" value="1uF"/>
<element name="IC1" library="fab" package="SOIC14" value="ATTINY44-SSU"/>
<element name="R1" library="fab" package="R1206FAB" value="10k"/>
<element name="RESONATOR" library="fab" package="EFOBM" value="20MHz"/>
<element name="ISP" library="fab" package="2X03SMD" value="2x3 header"/>
<element name="LED2" library="fab" package="LED1206FAB" value="Red"/>
<element name="R4" library="fab" package="R1206FAB" value="1k"/>
<element name="U$2" library="RepRapjr" package="A4988BREAKOUT" value="A4988BREAKOUT"/>
<element name="5V_REGU" library="fab" package="SOT23" value="5v regu"/>
<element name="C2" library="fab" package="C1206FAB" value="0.1uF"/>
<element name="C3" library="fab" package="C1206FAB" value="0.1uF"/>
<element name="R2" library="fab" package="R1206FAB" value="0ohm"/>
<element name="NETWORK" library="fab" package="2X02SMD" value="2x2 header"/>
<element name="S1" library="fab" package="AYZ0102AGRLC" value="SLIDE-SWITCH"/>
<element name="STEPPER_OUT" library="fab" package="2X02SMD" value="2x2 header"/>
<element name="POWER_IN" library="fab" package="2X02SMD" value="2x2 header"/>
</elements>
<signals>
<signal name="GND">
<contactref element="C1" pad="1"/>
<contactref element="RESONATOR" pad="2"/>
<contactref element="ISP" pad="6"/>
<contactref element="R4" pad="2"/>
<contactref element="U$2" pad="GND"/>
<contactref element="NETWORK" pad="4"/>
<contactref element="IC1" pad="14"/>
<contactref element="U$2" pad="GNDMOT"/>
<contactref element="5V_REGU" pad="3"/>
<contactref element="C2" pad="2"/>
<contactref element="C3" pad="1"/>
<contactref element="POWER_IN" pad="1"/>
</signal>
<signal name="VCC">
<contactref element="IC1" pad="1"/>
<contactref element="ISP" pad="2"/>
<contactref element="C1" pad="2"/>
<contactref element="R1" pad="1"/>
<contactref element="LED2" pad="2"/>
<contactref element="S1" pad="1"/>
<contactref element="U$2" pad="VDD"/>
</signal>
<signal name="MOSI">
<contactref element="IC1" pad="7"/>
<contactref element="ISP" pad="4"/>
</signal>
<signal name="MISO">
<contactref element="IC1" pad="8"/>
<contactref element="ISP" pad="1"/>
</signal>
<signal name="SCK">
<contactref element="IC1" pad="9"/>
<contactref element="ISP" pad="3"/>
</signal>
<signal name="RST">
<contactref element="ISP" pad="5"/>
<contactref element="IC1" pad="4"/>
<contactref element="R1" pad="2"/>
</signal>
<signal name="N$4">
<contactref element="IC1" pad="2"/>
<contactref element="RESONATOR" pad="1"/>
</signal>
<signal name="N$3">
<contactref element="IC1" pad="3"/>
<contactref element="RESONATOR" pad="3"/>
</signal>
<signal name="N$5">
<contactref element="R4" pad="1"/>
<contactref element="LED2" pad="1"/>
</signal>
<signal name="PA2">
<contactref element="IC1" pad="11"/>
<contactref element="U$2" pad="STEP"/>
</signal>
<signal name="PA3">
<contactref element="IC1" pad="10"/>
<contactref element="U$2" pad="DIR"/>
</signal>
<signal name="2B">
<contactref element="STEPPER_OUT" pad="1"/>
<contactref element="U$2" pad="2B"/>
</signal>
<signal name="VMOT">
<contactref element="U$2" pad="VMOT"/>
<contactref element="C2" pad="1"/>
<contactref element="5V_REGU" pad="2"/>
<contactref element="POWER_IN" pad="2"/>
</signal>
<signal name="5V">
<contactref element="R2" pad="1"/>
<contactref element="5V_REGU" pad="1"/>
</signal>
<signal name="N$2">
<contactref element="U$2" pad="RST"/>
<contactref element="U$2" pad="SLP"/>
</signal>
<signal name="RX">
<contactref element="NETWORK" pad="1"/>
<contactref element="IC1" pad="13"/>
</signal>
<signal name="N$6">
<contactref element="C3" pad="2"/>
<contactref element="R2" pad="2"/>
<contactref element="S1" pad="2"/>
</signal>
<signal name="1A">
<contactref element="U$2" pad="1A"/>
<contactref element="STEPPER_OUT" pad="4"/>
</signal>
<signal name="1B">
<contactref element="U$2" pad="1B"/>
<contactref element="STEPPER_OUT" pad="2"/>
</signal>
<signal name="TX">
<contactref element="IC1" pad="12"/>
<contactref element="NETWORK" pad="3"/>
</signal>
<signal name="2A">
<contactref element="U$2" pad="2A"/>
<contactref element="STEPPER_OUT" pad="3"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
