<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="9.4.2">
<drawing>
<schematic>
<libraries>
<library name="fab">
<packages>
<package name="TQFP32-08THIN">
</package>
<package name="C1206">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;</description>
</package>
<package name="C1206FAB">
</package>
<package name="C2220">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;</description>
</package>
<package name="2X03SMD">
</package>
<package name="2X03">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
<package name="1X06SMD">
</package>
<package name="R1206">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;</description>
</package>
<package name="R1206W">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
wave soldering</description>
</package>
<package name="R1206FAB">
</package>
<package name="SOT223">
<description>&lt;b&gt;SOT-223&lt;/b&gt;</description>
</package>
<package name="3.5MMTERM">
</package>
<package name="ED555DS-2DS">
</package>
</packages>
<symbols>
<symbol name="23-I/O">
<pin name="PB5(SCK)"/>
<pin name="PB7(XTAL2/TOSC2)"/>
<pin name="PB6(XTAL1/TOSC1)"/>
<pin name="GND@1" direction="pwr"/>
<pin name="GND@2" direction="pwr"/>
<pin name="VCC@1" direction="pwr"/>
<pin name="VCC@2" direction="pwr"/>
<pin name="GND" direction="pwr"/>
<pin name="AREF" direction="pas"/>
<pin name="AVCC" direction="pwr"/>
<pin name="PB4(MISO)"/>
<pin name="PB3(MOSI/OC2)"/>
<pin name="PB2(SS/OC1B)"/>
<pin name="PB1(OC1A)"/>
<pin name="PB0(ICP)"/>
<pin name="PD7(AIN1)"/>
<pin name="PD6(AIN0)"/>
<pin name="PD5(T1)"/>
<pin name="PD4(XCK/T0)"/>
<pin name="PD3(INT1)"/>
<pin name="PD2(INT0)"/>
<pin name="PD1(TXD)"/>
<pin name="PD0(RXD)"/>
<pin name="ADC7"/>
<pin name="ADC6"/>
<pin name="PC5(ADC5/SCL)"/>
<pin name="PC4(ADC4/SDA)"/>
<pin name="PC3(ADC3)"/>
<pin name="PC2(ADC2)"/>
<pin name="PC1(ADC1)"/>
<pin name="PC0(ADC0)"/>
<pin name="PC6(/RESET)" function="dot"/>
</symbol>
<symbol name="CAP-NONPOLARIZED">
<description>non-polarized capacitor</description>
<pin name="1" direction="pas"/>
<pin name="2" direction="pas"/>
</symbol>
<symbol name="AVRISP">
<pin name="MISO" direction="pas" function="dot"/>
<pin name="VCC" direction="pas" function="dot"/>
<pin name="SCK" direction="pas" function="dot"/>
<pin name="MOSI" direction="pas" function="dot"/>
<pin name="RST" direction="pas" function="dot"/>
<pin name="GND" direction="pas" function="dot"/>
</symbol>
<symbol name="FTDI">
<pin name="GND"/>
<pin name="CTS"/>
<pin name="VCC"/>
<pin name="TXD"/>
<pin name="RXD"/>
<pin name="RTS"/>
</symbol>
<symbol name="R-US">
<pin name="2" direction="pas"/>
<pin name="1" direction="pas"/>
</symbol>
<symbol name="78ADJ">
<pin name="IN" direction="in"/>
<pin name="ADJ" direction="in"/>
<pin name="OUT" direction="out"/>
<pin name="OUT@1" direction="out"/>
</symbol>
<symbol name="1X2">
<pin name="1" direction="pas" function="dot"/>
<pin name="2" direction="pas" function="dot"/>
</symbol>
</symbols>
<devicesets>
<deviceset name="ATMEGA88-THIN" prefix="IC">
<gates>
<gate name="G$1" symbol="23-I/O"/>
</gates>
<devices>
<device name="" package="TQFP32-08THIN">
<connects>
<connect gate="G$1" pin="ADC6" pad="19"/>
<connect gate="G$1" pin="ADC7" pad="22"/>
<connect gate="G$1" pin="AREF" pad="20"/>
<connect gate="G$1" pin="AVCC" pad="18"/>
<connect gate="G$1" pin="GND" pad="21"/>
<connect gate="G$1" pin="GND@1" pad="3"/>
<connect gate="G$1" pin="GND@2" pad="5"/>
<connect gate="G$1" pin="PB0(ICP)" pad="12"/>
<connect gate="G$1" pin="PB1(OC1A)" pad="13"/>
<connect gate="G$1" pin="PB2(SS/OC1B)" pad="14"/>
<connect gate="G$1" pin="PB3(MOSI/OC2)" pad="15"/>
<connect gate="G$1" pin="PB4(MISO)" pad="16"/>
<connect gate="G$1" pin="PB5(SCK)" pad="17"/>
<connect gate="G$1" pin="PB6(XTAL1/TOSC1)" pad="7"/>
<connect gate="G$1" pin="PB7(XTAL2/TOSC2)" pad="8"/>
<connect gate="G$1" pin="PC0(ADC0)" pad="23"/>
<connect gate="G$1" pin="PC1(ADC1)" pad="24"/>
<connect gate="G$1" pin="PC2(ADC2)" pad="25"/>
<connect gate="G$1" pin="PC3(ADC3)" pad="26"/>
<connect gate="G$1" pin="PC4(ADC4/SDA)" pad="27"/>
<connect gate="G$1" pin="PC5(ADC5/SCL)" pad="28"/>
<connect gate="G$1" pin="PC6(/RESET)" pad="29"/>
<connect gate="G$1" pin="PD0(RXD)" pad="30"/>
<connect gate="G$1" pin="PD1(TXD)" pad="31"/>
<connect gate="G$1" pin="PD2(INT0)" pad="32"/>
<connect gate="G$1" pin="PD3(INT1)" pad="1"/>
<connect gate="G$1" pin="PD4(XCK/T0)" pad="2"/>
<connect gate="G$1" pin="PD5(T1)" pad="9"/>
<connect gate="G$1" pin="PD6(AIN0)" pad="10"/>
<connect gate="G$1" pin="PD7(AIN1)" pad="11"/>
<connect gate="G$1" pin="VCC@1" pad="4"/>
<connect gate="G$1" pin="VCC@2" pad="6"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
<deviceset name="CAP-UNPOLARIZED" prefix="C" uservalue="yes">
<gates>
<gate name="&gt;NAME" symbol="CAP-NONPOLARIZED"/>
</gates>
<devices>
<device name="" package="C1206">
<connects>
<connect gate="&gt;NAME" pin="1" pad="1"/>
<connect gate="&gt;NAME" pin="2" pad="2"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
<device name="FAB" package="C1206FAB">
<connects>
<connect gate="&gt;NAME" pin="1" pad="1"/>
<connect gate="&gt;NAME" pin="2" pad="2"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
<device name="2220" package="C2220">
<connects>
<connect gate="&gt;NAME" pin="1" pad="1"/>
<connect gate="&gt;NAME" pin="2" pad="2"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
<deviceset name="AVRISP">
<gates>
<gate name="G$1" symbol="AVRISP"/>
</gates>
<devices>
<device name="SMD" package="2X03SMD">
<connects>
<connect gate="G$1" pin="GND" pad="6"/>
<connect gate="G$1" pin="MISO" pad="1"/>
<connect gate="G$1" pin="MOSI" pad="4"/>
<connect gate="G$1" pin="RST" pad="5"/>
<connect gate="G$1" pin="SCK" pad="3"/>
<connect gate="G$1" pin="VCC" pad="2"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
<device name="" package="2X03">
<connects>
<connect gate="G$1" pin="GND" pad="6"/>
<connect gate="G$1" pin="MISO" pad="1"/>
<connect gate="G$1" pin="MOSI" pad="4"/>
<connect gate="G$1" pin="RST" pad="5"/>
<connect gate="G$1" pin="SCK" pad="3"/>
<connect gate="G$1" pin="VCC" pad="2"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
<deviceset name="FTDI-SMD-HEADER">
<gates>
<gate name="G$1" symbol="FTDI"/>
</gates>
<devices>
<device name="" package="1X06SMD">
<connects>
<connect gate="G$1" pin="CTS" pad="2"/>
<connect gate="G$1" pin="GND" pad="1"/>
<connect gate="G$1" pin="RTS" pad="6"/>
<connect gate="G$1" pin="RXD" pad="5"/>
<connect gate="G$1" pin="TXD" pad="4"/>
<connect gate="G$1" pin="VCC" pad="3"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
<deviceset name="RES-US" prefix="R" uservalue="yes">
<description>&lt;b&gt;Resistor (US Symbol)&lt;/b&gt;
&lt;p&gt;
Variants with postfix FAB are widened to allow the routing of internal traces</description>
<gates>
<gate name="G$1" symbol="R-US"/>
</gates>
<devices>
<device name="1206" package="R1206">
<connects>
<connect gate="G$1" pin="1" pad="1"/>
<connect gate="G$1" pin="2" pad="2"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
<device name="1206W" package="R1206W">
<connects>
<connect gate="G$1" pin="1" pad="1"/>
<connect gate="G$1" pin="2" pad="2"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
<device name="1206FAB" package="R1206FAB">
<connects>
<connect gate="G$1" pin="1" pad="1"/>
<connect gate="G$1" pin="2" pad="2"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
<deviceset name="V_REG_LM1117" prefix="U" uservalue="yes">
<description>&lt;b&gt;Voltage Regulator LM1117&lt;/b&gt;
Standard adjustable voltage regulator but in SMD form. Spark Fun Electronics SKU : COM-00595</description>
<gates>
<gate name="G$1" symbol="78ADJ"/>
</gates>
<devices>
<device name="SOT223" package="SOT223">
<connects>
<connect gate="G$1" pin="ADJ" pad="1"/>
<connect gate="G$1" pin="IN" pad="3"/>
<connect gate="G$1" pin="OUT" pad="2"/>
<connect gate="G$1" pin="OUT@1" pad="4"/>
</connects>
<technologies>
<technology name="">
<attribute name="PROD_ID" value="VREG-08170"/>
</technology>
</technologies>
</device>
</devices>
</deviceset>
<deviceset name="TERM-1X02" prefix="J">
<description>3.5mm terminal block, 2 positions ED555-2DS as found in the fablab inventory. 
&lt;p&gt;Stolen from &lt;a href="http://www.ladyada.net/library/pcb/eaglelibrary.html"&gt;Adafruit&lt;/a&gt;, adapted by Zaerc.</description>
<gates>
<gate name="G$1" symbol="1X2"/>
</gates>
<devices>
<device name="-ADAFRUIT" package="3.5MMTERM">
<connects>
<connect gate="G$1" pin="1" pad="1"/>
<connect gate="G$1" pin="2" pad="2"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
<device name="-FABLAB" package="ED555DS-2DS">
<connects>
<connect gate="G$1" pin="1" pad="1"/>
<connect gate="G$1" pin="2" pad="2"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
</devicesets>
</library>
<library name="crystal">
<description>&lt;b&gt;Crystals and Crystal Resonators&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="CSM-7X-DU">
<description>&lt;b&gt;SMD CRYSTAL&lt;/b&gt;&lt;p&gt;
Source: www.ecsxtal.com .. Crystal 3.6864MHz CSM_7X_DU.PDF</description>
</package>
</packages>
<symbols>
<symbol name="Q">
<pin name="2" direction="pas"/>
<pin name="1" direction="pas"/>
</symbol>
</symbols>
<devicesets>
<deviceset name="CSM-7X-DU" prefix="Q">
<description>&lt;b&gt;SMD CRYSTAL&lt;/b&gt;&lt;p&gt;
Source: www.ecsxtal.com .. Crystal 3.6864MHz CSM_7X_DU.PDF</description>
<gates>
<gate name="P" symbol="Q"/>
</gates>
<devices>
<device name="" package="CSM-7X-DU">
<connects>
<connect gate="P" pin="1" pad="1"/>
<connect gate="P" pin="2" pad="2"/>
</connects>
<technologies>
<technology name="">
<attribute name="MF" value=""/>
<attribute name="MPN" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
<attribute name="OC_NEWARK" value="unknown"/>
</technology>
</technologies>
</device>
</devices>
</deviceset>
</devicesets>
</library>
<library name="eagle_fab">
<packages>
<package name="3.5MMTERM">
</package>
<package name="ED555DS-2DS">
</package>
<package name="2X02SMD">
</package>
<package name="R1206">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;</description>
</package>
<package name="R1206W">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
wave soldering</description>
</package>
<package name="R1206FAB">
</package>
<package name="SOD123">
<description>&lt;b&gt;SMALL OUTLINE DIODE&lt;/b&gt;</description>
</package>
<package name="SMD-ELEC-CAP">
</package>
<package name="C1206">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;</description>
</package>
<package name="C1206FAB">
</package>
<package name="C2220">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;</description>
</package>
</packages>
<symbols>
<symbol name="1X2">
<pin name="1" direction="pas" function="dot"/>
<pin name="2" direction="pas" function="dot"/>
</symbol>
<symbol name="PINH2X2">
<pin name="1" direction="pas" function="dot"/>
<pin name="2" direction="pas" function="dot"/>
<pin name="3" direction="pas" function="dot"/>
<pin name="4" direction="pas" function="dot"/>
</symbol>
<symbol name="R-US">
<pin name="2" direction="pas"/>
<pin name="1" direction="pas"/>
</symbol>
<symbol name="D">
<pin name="A" direction="pas"/>
<pin name="C" direction="pas"/>
</symbol>
<symbol name="CAP-ELECTROLYTIC">
<pin name="C"/>
<pin name="A"/>
</symbol>
<symbol name="CAP-NONPOLARIZED">
<description>non-polarized capacitor</description>
<pin name="1" direction="pas"/>
<pin name="2" direction="pas"/>
</symbol>
</symbols>
<devicesets>
<deviceset name="CONN_02_TERM" prefix="J">
<description>3.5mm terminal block, 2 positions ED555-2DS as found in the fablab inventory. 
&lt;p&gt;Stolen from &lt;a href="http://www.ladyada.net/library/pcb/eaglelibrary.html"&gt;Adafruit&lt;/a&gt;, adapted by Zaerc.</description>
<gates>
<gate name="G$1" symbol="1X2"/>
</gates>
<devices>
<device name="-ADAFRUIT" package="3.5MMTERM">
<connects>
<connect gate="G$1" pin="1" pad="1"/>
<connect gate="G$1" pin="2" pad="2"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
<device name="-FABLAB" package="ED555DS-2DS">
<connects>
<connect gate="G$1" pin="1" pad="1"/>
<connect gate="G$1" pin="2" pad="2"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
<deviceset name="CONN_02X2-PINHEAD-SMD">
<gates>
<gate name="G$1" symbol="PINH2X2"/>
</gates>
<devices>
<device name="" package="2X02SMD">
<connects>
<connect gate="G$1" pin="1" pad="1"/>
<connect gate="G$1" pin="2" pad="2"/>
<connect gate="G$1" pin="3" pad="3"/>
<connect gate="G$1" pin="4" pad="4"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
<deviceset name="R" prefix="R" uservalue="yes">
<description>&lt;b&gt;Resistor (US Symbol)&lt;/b&gt;
&lt;p&gt;
Variants with postfix FAB are widened to allow the routing of internal traces</description>
<gates>
<gate name="G$1" symbol="R-US"/>
</gates>
<devices>
<device name="1206" package="R1206">
<connects>
<connect gate="G$1" pin="1" pad="1"/>
<connect gate="G$1" pin="2" pad="2"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
<device name="1206W" package="R1206W">
<connects>
<connect gate="G$1" pin="1" pad="1"/>
<connect gate="G$1" pin="2" pad="2"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
<device name="1206FAB" package="R1206FAB">
<connects>
<connect gate="G$1" pin="1" pad="1"/>
<connect gate="G$1" pin="2" pad="2"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
<deviceset name="DIODE_SOD-123" prefix="D" uservalue="yes">
<description>&lt;B&gt;DIODE&lt;/B&gt;&lt;p&gt;
high speed (Philips)</description>
<gates>
<gate name="G$1" symbol="D"/>
</gates>
<devices>
<device name="SOD123" package="SOD123">
<connects>
<connect gate="G$1" pin="A" pad="ANODE"/>
<connect gate="G$1" pin="C" pad="CATHODE"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
<deviceset name="CAP_POLARIZED">
<gates>
<gate name="G$1" symbol="CAP-ELECTROLYTIC"/>
</gates>
<devices>
<device name="" package="SMD-ELEC-CAP">
<connects>
<connect gate="G$1" pin="A" pad="A"/>
<connect gate="G$1" pin="C" pad="C"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
<deviceset name="CAP_UNPOLARIZED" prefix="C" uservalue="yes">
<gates>
<gate name="&gt;NAME" symbol="CAP-NONPOLARIZED"/>
</gates>
<devices>
<device name="" package="C1206">
<connects>
<connect gate="&gt;NAME" pin="1" pad="1"/>
<connect gate="&gt;NAME" pin="2" pad="2"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
<device name="FAB" package="C1206FAB">
<connects>
<connect gate="&gt;NAME" pin="1" pad="1"/>
<connect gate="&gt;NAME" pin="2" pad="2"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
<device name="2220" package="C2220">
<connects>
<connect gate="&gt;NAME" pin="1" pad="1"/>
<connect gate="&gt;NAME" pin="2" pad="2"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
</devicesets>
</library>
<library name="MACHINE">
<description>Generated from &lt;b&gt;MACHINE.sch&lt;/b&gt;&lt;p&gt;
by exp-lbrs.ulp</description>
<packages>
<package name="POLOLULU2128">
</package>
</packages>
<symbols>
<symbol name="POLOLULUSTEP">
<pin name="!ENABLE" direction="in"/>
<pin name="!RESET" direction="in"/>
<pin name="!SLEEP" direction="in"/>
<pin name="1A" direction="out"/>
<pin name="1B" direction="out"/>
<pin name="2A" direction="out"/>
<pin name="2B" direction="out"/>
<pin name="DIR" direction="in"/>
<pin name="GND@0" direction="pwr"/>
<pin name="GND@1" direction="pwr"/>
<pin name="MS1" direction="in"/>
<pin name="MS2" direction="in"/>
<pin name="MS3" direction="in"/>
<pin name="STEP" direction="in"/>
<pin name="VDD" direction="pwr"/>
<pin name="VMOT" direction="pwr"/>
</symbol>
</symbols>
<devicesets>
<deviceset name="POLOLULU2128" prefix="STEPDRV">
<gates>
<gate name="G$1" symbol="POLOLULUSTEP"/>
</gates>
<devices>
<device name="" package="POLOLULU2128">
<connects>
<connect gate="G$1" pin="!ENABLE" pad="1"/>
<connect gate="G$1" pin="!RESET" pad="5"/>
<connect gate="G$1" pin="!SLEEP" pad="6"/>
<connect gate="G$1" pin="1A" pad="12"/>
<connect gate="G$1" pin="1B" pad="11"/>
<connect gate="G$1" pin="2A" pad="13"/>
<connect gate="G$1" pin="2B" pad="14"/>
<connect gate="G$1" pin="DIR" pad="8"/>
<connect gate="G$1" pin="GND@0" pad="9"/>
<connect gate="G$1" pin="GND@1" pad="15"/>
<connect gate="G$1" pin="MS1" pad="2"/>
<connect gate="G$1" pin="MS2" pad="3"/>
<connect gate="G$1" pin="MS3" pad="4"/>
<connect gate="G$1" pin="STEP" pad="7"/>
<connect gate="G$1" pin="VDD" pad="10"/>
<connect gate="G$1" pin="VMOT" pad="16"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
</devicesets>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<parts>
<part name="IC1" library="fab" deviceset="ATMEGA88-THIN" device=""/>
<part name="Q1" library="crystal" deviceset="CSM-7X-DU" device=""/>
<part name="C1" library="fab" deviceset="CAP-UNPOLARIZED" device="FAB"/>
<part name="C2" library="fab" deviceset="CAP-UNPOLARIZED" device="FAB"/>
<part name="U$1" library="fab" deviceset="AVRISP" device="SMD"/>
<part name="U$2" library="fab" deviceset="FTDI-SMD-HEADER" device=""/>
<part name="C3" library="fab" deviceset="CAP-UNPOLARIZED" device="FAB"/>
<part name="U1" library="fab" deviceset="V_REG_LM1117" device="SOT223"/>
<part name="C4" library="fab" deviceset="CAP-UNPOLARIZED" device="FAB"/>
<part name="J1" library="fab" deviceset="TERM-1X02" device="-FABLAB"/>
<part name="R5" library="fab" deviceset="RES-US" device="1206FAB"/>
<part name="J2" library="eagle_fab" deviceset="CONN_02_TERM" device="-ADAFRUIT"/>
<part name="J3" library="eagle_fab" deviceset="CONN_02_TERM" device="-ADAFRUIT"/>
<part name="J4" library="eagle_fab" deviceset="CONN_02_TERM" device="-ADAFRUIT"/>
<part name="U$5" library="eagle_fab" deviceset="CONN_02X2-PINHEAD-SMD" device=""/>
<part name="J5" library="eagle_fab" deviceset="CONN_02_TERM" device="-FABLAB"/>
<part name="R1" library="eagle_fab" deviceset="R" device="1206FAB"/>
<part name="R2" library="eagle_fab" deviceset="R" device="1206FAB"/>
<part name="D1" library="eagle_fab" deviceset="DIODE_SOD-123" device="SOD123"/>
<part name="J6" library="eagle_fab" deviceset="CONN_02_TERM" device="-ADAFRUIT"/>
<part name="R3" library="eagle_fab" deviceset="R" device="1206FAB" value="0"/>
<part name="R7" library="eagle_fab" deviceset="R" device="1206FAB" value="0"/>
<part name="R8" library="eagle_fab" deviceset="R" device="1206FAB" value="0"/>
<part name="STEPDRV1" library="MACHINE" deviceset="POLOLULU2128" device=""/>
<part name="U$3" library="eagle_fab" deviceset="CAP_POLARIZED" device=""/>
<part name="J7" library="fab" deviceset="TERM-1X02" device="-FABLAB"/>
<part name="J8" library="fab" deviceset="TERM-1X02" device="-FABLAB"/>
<part name="C5" library="eagle_fab" deviceset="CAP_UNPOLARIZED" device=""/>
<part name="R4" library="eagle_fab" deviceset="R" device="1206FAB" value="0"/>
<part name="R6" library="eagle_fab" deviceset="R" device="1206FAB" value="0"/>
</parts>
<sheets>
<sheet>
<plain>
</plain>
<busses>
</busses>
<nets>
<net name="N$1">
<segment>
<pinref part="IC1" gate="G$1" pin="PB6(XTAL1/TOSC1)"/>
<pinref part="Q1" gate="P" pin="2"/>
<pinref part="C1" gate="&gt;NAME" pin="1"/>
</segment>
</net>
<net name="N$2">
<segment>
<pinref part="IC1" gate="G$1" pin="PB7(XTAL2/TOSC2)"/>
<pinref part="Q1" gate="P" pin="1"/>
<pinref part="C2" gate="&gt;NAME" pin="2"/>
</segment>
</net>
<net name="GND">
<segment>
<pinref part="C1" gate="&gt;NAME" pin="2"/>
</segment>
<segment>
<pinref part="C2" gate="&gt;NAME" pin="1"/>
</segment>
<segment>
<pinref part="IC1" gate="G$1" pin="GND"/>
</segment>
<segment>
<pinref part="IC1" gate="G$1" pin="GND@1"/>
</segment>
<segment>
<pinref part="IC1" gate="G$1" pin="GND@2"/>
</segment>
<segment>
<pinref part="U$1" gate="G$1" pin="GND"/>
</segment>
<segment>
<pinref part="U$2" gate="G$1" pin="GND"/>
</segment>
<segment>
<pinref part="C4" gate="&gt;NAME" pin="1"/>
</segment>
<segment>
<pinref part="U1" gate="G$1" pin="ADJ"/>
</segment>
<segment>
<pinref part="J1" gate="G$1" pin="2"/>
</segment>
<segment>
<pinref part="J4" gate="G$1" pin="2"/>
</segment>
<segment>
<pinref part="U$5" gate="G$1" pin="3"/>
</segment>
<segment>
<pinref part="U$5" gate="G$1" pin="4"/>
</segment>
<segment>
<pinref part="J5" gate="G$1" pin="2"/>
</segment>
<segment>
<pinref part="J6" gate="G$1" pin="2"/>
<pinref part="D1" gate="G$1" pin="A"/>
</segment>
<segment>
<pinref part="STEPDRV1" gate="G$1" pin="GND@0"/>
</segment>
<segment>
<pinref part="U$3" gate="G$1" pin="C"/>
</segment>
<segment>
<pinref part="J8" gate="G$1" pin="2"/>
</segment>
<segment>
<pinref part="C5" gate="&gt;NAME" pin="1"/>
</segment>
<segment>
<pinref part="C5" gate="&gt;NAME" pin="2"/>
</segment>
<segment>
<pinref part="R6" gate="G$1" pin="1"/>
</segment>
<segment>
<pinref part="R6" gate="G$1" pin="2"/>
</segment>
</net>
<net name="MISO">
<segment>
<pinref part="U$1" gate="G$1" pin="MISO"/>
</segment>
<segment>
<pinref part="IC1" gate="G$1" pin="PB4(MISO)"/>
</segment>
</net>
<net name="SCK">
<segment>
<pinref part="U$1" gate="G$1" pin="SCK"/>
</segment>
<segment>
<pinref part="IC1" gate="G$1" pin="PB5(SCK)"/>
</segment>
</net>
<net name="RST">
<segment>
<pinref part="U$1" gate="G$1" pin="RST"/>
</segment>
<segment>
<pinref part="C3" gate="&gt;NAME" pin="1"/>
</segment>
<segment>
<pinref part="IC1" gate="G$1" pin="PC6(/RESET)"/>
<pinref part="R5" gate="G$1" pin="1"/>
</segment>
<segment>
<pinref part="R8" gate="G$1" pin="2"/>
</segment>
<segment>
<pinref part="R8" gate="G$1" pin="1"/>
</segment>
</net>
<net name="VCC">
<segment>
<pinref part="U$1" gate="G$1" pin="VCC"/>
</segment>
<segment>
<pinref part="IC1" gate="G$1" pin="AVCC"/>
</segment>
<segment>
<pinref part="IC1" gate="G$1" pin="VCC@1"/>
</segment>
<segment>
<pinref part="IC1" gate="G$1" pin="VCC@2"/>
</segment>
<segment>
<pinref part="U$2" gate="G$1" pin="VCC"/>
</segment>
<segment>
<pinref part="U1" gate="G$1" pin="OUT"/>
<pinref part="U1" gate="G$1" pin="OUT@1"/>
</segment>
<segment>
<pinref part="R5" gate="G$1" pin="2"/>
</segment>
<segment>
<pinref part="U$5" gate="G$1" pin="2"/>
</segment>
<segment>
<pinref part="STEPDRV1" gate="G$1" pin="VDD"/>
</segment>
<segment>
<pinref part="J8" gate="G$1" pin="1"/>
</segment>
</net>
<net name="MOSI">
<segment>
<pinref part="U$1" gate="G$1" pin="MOSI"/>
</segment>
<segment>
<pinref part="IC1" gate="G$1" pin="PB3(MOSI/OC2)"/>
</segment>
</net>
<net name="CTS">
<segment>
<pinref part="U$2" gate="G$1" pin="CTS"/>
</segment>
<segment>
<pinref part="IC1" gate="G$1" pin="PD2(INT0)"/>
</segment>
</net>
<net name="PD0">
<segment>
<pinref part="U$2" gate="G$1" pin="TXD"/>
</segment>
<segment>
<pinref part="IC1" gate="G$1" pin="PD0(RXD)"/>
</segment>
</net>
<net name="PD1">
<segment>
<pinref part="U$2" gate="G$1" pin="RXD"/>
</segment>
<segment>
<pinref part="IC1" gate="G$1" pin="PD1(TXD)"/>
</segment>
</net>
<net name="N$3">
<segment>
<pinref part="U$2" gate="G$1" pin="RTS"/>
<pinref part="C3" gate="&gt;NAME" pin="2"/>
</segment>
</net>
<net name="VSS">
<segment>
<pinref part="U1" gate="G$1" pin="IN"/>
<pinref part="C4" gate="&gt;NAME" pin="2"/>
</segment>
<segment>
<pinref part="R1" gate="G$1" pin="2"/>
</segment>
<segment>
<pinref part="J5" gate="G$1" pin="1"/>
</segment>
<segment>
<pinref part="J1" gate="G$1" pin="1"/>
</segment>
<segment>
<pinref part="J6" gate="G$1" pin="1"/>
</segment>
<segment>
<pinref part="STEPDRV1" gate="G$1" pin="VMOT"/>
</segment>
<segment>
<pinref part="U$3" gate="G$1" pin="A"/>
</segment>
</net>
<net name="IN2">
<segment>
<pinref part="IC1" gate="G$1" pin="PC1(ADC1)"/>
</segment>
<segment>
<pinref part="J7" gate="G$1" pin="1"/>
</segment>
</net>
<net name="IN1">
<segment>
<pinref part="IC1" gate="G$1" pin="PC0(ADC0)"/>
</segment>
<segment>
<pinref part="J7" gate="G$1" pin="2"/>
</segment>
</net>
<net name="OUT2">
<segment>
<pinref part="STEPDRV1" gate="G$1" pin="1A"/>
</segment>
<segment>
<pinref part="J3" gate="G$1" pin="2"/>
</segment>
</net>
<net name="OUT1">
<segment>
<pinref part="STEPDRV1" gate="G$1" pin="1B"/>
</segment>
<segment>
<pinref part="J3" gate="G$1" pin="1"/>
</segment>
</net>
<net name="OUT22">
<segment>
<pinref part="STEPDRV1" gate="G$1" pin="2B"/>
</segment>
<segment>
<pinref part="J2" gate="G$1" pin="2"/>
</segment>
</net>
<net name="OUT11">
<segment>
<pinref part="STEPDRV1" gate="G$1" pin="2A"/>
</segment>
<segment>
<pinref part="J2" gate="G$1" pin="1"/>
</segment>
</net>
<net name="VREF">
<segment>
<pinref part="IC1" gate="G$1" pin="PC2(ADC2)"/>
</segment>
</net>
<net name="PD3">
<segment>
<pinref part="IC1" gate="G$1" pin="PD3(INT1)"/>
</segment>
<segment>
<pinref part="J4" gate="G$1" pin="1"/>
</segment>
</net>
<net name="PD4">
<segment>
<pinref part="U$5" gate="G$1" pin="1"/>
</segment>
<segment>
<pinref part="IC1" gate="G$1" pin="PB0(ICP)"/>
</segment>
</net>
<net name="ADC7">
<segment>
<pinref part="IC1" gate="G$1" pin="ADC7"/>
</segment>
</net>
<net name="PD5">
<segment>
<pinref part="IC1" gate="G$1" pin="PD5(T1)"/>
</segment>
</net>
<net name="PD6">
<segment>
<pinref part="IC1" gate="G$1" pin="PD6(AIN0)"/>
</segment>
</net>
<net name="PD7">
<segment>
<pinref part="IC1" gate="G$1" pin="PD7(AIN1)"/>
</segment>
</net>
<net name="PB1">
<segment>
<pinref part="IC1" gate="G$1" pin="PB1(OC1A)"/>
</segment>
</net>
<net name="PB2">
<segment>
<pinref part="IC1" gate="G$1" pin="PB2(SS/OC1B)"/>
</segment>
</net>
<net name="PC5">
<segment>
<pinref part="R1" gate="G$1" pin="1"/>
<pinref part="R2" gate="G$1" pin="2"/>
<pinref part="D1" gate="G$1" pin="C"/>
</segment>
<segment>
<pinref part="IC1" gate="G$1" pin="PC5(ADC5/SCL)"/>
</segment>
</net>
<net name="N$18">
<segment>
<pinref part="R2" gate="G$1" pin="1"/>
</segment>
</net>
<net name="ADC6">
<segment>
<pinref part="IC1" gate="G$1" pin="ADC6"/>
</segment>
<segment>
<pinref part="STEPDRV1" gate="G$1" pin="!ENABLE"/>
</segment>
<segment>
<pinref part="R4" gate="G$1" pin="1"/>
</segment>
<segment>
<pinref part="R4" gate="G$1" pin="2"/>
</segment>
</net>
<net name="N$5">
<segment>
<pinref part="R3" gate="G$1" pin="2"/>
</segment>
</net>
<net name="N$7">
<segment>
<pinref part="R7" gate="G$1" pin="2"/>
</segment>
</net>
<net name="N$10">
<segment>
<pinref part="R3" gate="G$1" pin="1"/>
</segment>
</net>
<net name="N$12">
<segment>
<pinref part="R7" gate="G$1" pin="1"/>
</segment>
</net>
<net name="PC3">
<segment>
<pinref part="STEPDRV1" gate="G$1" pin="DIR"/>
</segment>
<segment>
<pinref part="IC1" gate="G$1" pin="PC3(ADC3)"/>
</segment>
</net>
<net name="PC4">
<segment>
<pinref part="STEPDRV1" gate="G$1" pin="STEP"/>
</segment>
<segment>
<pinref part="IC1" gate="G$1" pin="PC4(ADC4/SDA)"/>
</segment>
</net>
</nets>
</sheet>
</sheets>
</schematic>
</drawing>
</eagle>
