<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="7.7.0">
<drawing>
<board>
<plain>
<wire x1="0.254" y1="-0.127" x2="64.313" y2="-0.254" width="0" layer="20"/>
<wire x1="64.313" y1="-0.254" x2="64.313" y2="34.026" width="0" layer="20"/>
<wire x1="64.313" y1="34.026" x2="0.127" y2="34.026" width="0" layer="20"/>
<wire x1="0.127" y1="34.026" x2="0.254" y2="-0.127" 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="6MM_SWITCH">
<description>&lt;b&gt;OMRON SWITCH&lt;/b&gt;</description>
</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="ISP"/>
<element name="LED2" library="fab" package="LED1206FAB" value="Red"/>
<element name="R4" library="fab" package="R1206FAB" value="1k"/>
<element name="STEPPERCONNECTOR" library="fab" package="2X03SMD" value=""/>
<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="0.1um"/>
<element name="C3" library="fab" package="C1206FAB" value="0.1um"/>
<element name="R2" library="fab" package="R1206FAB" value="0ohm"/>
<element name="S2" library="fab" package="6MM_SWITCH" value=""/>
<element name="C5" library="fab" package="C1206FAB" value="10nF"/>
<element name="R6" library="fab" package="R1206FAB" value="49.9k"/>
<element name="R7" library="fab" package="R1206FAB" value="49.9k"/>
</elements>
<signals>
<signal name="GND">
<contactref element="IC1" pad="14"/>
<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="STEPPERCONNECTOR" pad="1"/>
<contactref element="U$2" pad="GNDMOT"/>
<contactref element="5V_REGU" pad="3"/>
<contactref element="C2" pad="2"/>
<contactref element="C3" pad="1"/>
<contactref element="S2" pad="4"/>
<contactref element="S2" pad="3"/>
<contactref element="C5" pad="2"/>
</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="U$2" pad="VDD"/>
<contactref element="C3" pad="2"/>
<contactref element="R2" pad="2"/>
<contactref element="R7" pad="1"/>
</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="2A">
<contactref element="STEPPERCONNECTOR" pad="5"/>
<contactref element="U$2" pad="2A"/>
</signal>
<signal name="1B">
<contactref element="STEPPERCONNECTOR" pad="4"/>
<contactref element="U$2" pad="1B"/>
</signal>
<signal name="1A">
<contactref element="STEPPERCONNECTOR" pad="6"/>
<contactref element="U$2" pad="1A"/>
</signal>
<signal name="2B">
<contactref element="STEPPERCONNECTOR" pad="3"/>
<contactref element="U$2" pad="2B"/>
</signal>
<signal name="VMOT">
<contactref element="U$2" pad="VMOT"/>
<contactref element="5V_REGU" pad="2"/>
<contactref element="C2" pad="1"/>
<contactref element="STEPPERCONNECTOR" pad="2"/>
</signal>
<signal name="N$1">
<contactref element="R2" pad="1"/>
<contactref element="5V_REGU" pad="1"/>
</signal>
<signal name="N$7">
<contactref element="S2" pad="1"/>
<contactref element="S2" pad="2"/>
<contactref element="R7" pad="2"/>
<contactref element="R6" pad="2"/>
</signal>
<signal name="PA1_BUTTON">
<contactref element="R6" pad="1"/>
<contactref element="C5" pad="1"/>
<contactref element="IC1" pad="12"/>
</signal>
<signal name="N$2">
<contactref element="U$2" pad="RST"/>
<contactref element="U$2" pad="SLP"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
