<?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="132.08" y2="0" width="0" layer="20"/>
<wire x1="132.08" y1="0" x2="132.08" y2="107.95" width="0" layer="20"/>
<wire x1="132.08" y1="107.95" x2="0" y2="107.95" width="0" layer="20"/>
<wire x1="0" y1="107.95" x2="0" y2="0" width="0" layer="20"/>
</plain>
<libraries>
<library name="atmel">
<packages>
<package name="DIL40">
<description>&lt;B&gt;Dual In Line&lt;/B&gt;</description>
</package>
</packages>
</library>
<library name="SparkFun">
<packages>
<package name="TACTILE-PTH">
<description>&lt;b&gt;OMRON SWITCH&lt;/b&gt;</description>
</package>
<package name="CAP-PTH-SMALL">
</package>
<package name="HC49US">
<description>&lt;B&gt;CRYSTAL&lt;/B&gt;</description>
</package>
<package name="LED3MM">
<description>&lt;B&gt;LED&lt;/B&gt;&lt;p&gt;
3 mm, round</description>
</package>
<package name="CPOL-RADIAL-100UF-25V">
</package>
<package name="CPOL-RADIAL-10UF-25V">
</package>
<package name="1X02">
</package>
<package name="1X06">
</package>
<package name="MOLEX-1X3">
</package>
<package name="1X05">
</package>
<package name="2X3">
</package>
<package name="1X04">
</package>
<package name="1X08_LONGPADS">
</package>
<package name="POWER_JACK_PTH">
</package>
<package name="FUSE_5MM">
</package>
<package name="RESONATOR-PTH">
</package>
<package name="AXIAL-5MM">
</package>
</packages>
</library>
<library name="rcl">
<packages>
<package name="0207/7">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
type 0207, grid 7.5 mm</description>
</package>
<package name="0207/5V">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
type 0207, grid 5 mm</description>
</package>
<package name="0207/2V">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
type 0207, grid 2.5 mm</description>
</package>
</packages>
</library>
<library name="diode">
<packages>
<package name="DO41-10">
<description>&lt;B&gt;DIODE&lt;/B&gt;&lt;p&gt;
diameter 2.54 mm, horizontal, grid 10.16 mm</description>
</package>
<package name="C1702-05">
<description>&lt;B&gt;DIODE&lt;/B&gt;&lt;p&gt;
diameter 3.5 mm, vertical, grid 5.08 mm</description>
</package>
</packages>
</library>
<library name="transistor-power">
<packages>
<package name="TO220BV">
<description>&lt;b&gt;Molded Package&lt;/b&gt;&lt;p&gt;
grid 2.54 mm</description>
</package>
</packages>
</library>
<library name="con-molex">
<packages>
<package name="5566-20">
<description>&lt;b&gt;Mini FIT connector 20 pol&lt;/b&gt;&lt;p&gt;
ATX PC-Motherboard Power connector&lt;br&gt;
Source: http://www.molex.com</description>
</package>
<package name="KK-156-4">
<description>&lt;b&gt;KK 156 HEADER&lt;/b&gt;&lt;p&gt;
Source: http://www.molex.com/pdm_docs/sd/026604100_sd.pdf</description>
</package>
<package name="KK-156-2">
<description>&lt;b&gt;KK 156 HEADER&lt;/b&gt;&lt;p&gt;
Source: http://www.molex.com/pdm_docs/sd/026604100_sd.pdf</description>
</package>
</packages>
</library>
<library name="inductors">
<packages>
<package name="BL01RN1A">
<description>&lt;b&gt;Noise Suppression Products/EMI Suppression Filters, Lead EMIFIL(R) Inductor Type&lt;/b&gt;&lt;p&gt;
BL01RN1A1D2B / BL01RN1A1E1A / BL01RN1A1F1J / BL01RN1A2A2B&lt;br&gt;
Source: http://www.murata.com .. BL01RN1_DS.pdf</description>
</package>
</packages>
</library>
<library name="con-amp">
<packages>
<package name="350211">
<description>&lt;b&gt;MATE-N-LOK&lt;/b&gt; Header Assembly, 4 Circuit Commercial&lt;p&gt;
Drawing No. 350211&lt;br&gt;
Source: http://ecommas.tycoelectronics.com .. ENG_CD_350211_U.pdf</description>
</package>
</packages>
</library>
<library name="jumper">
<packages>
<package name="JP1">
<description>&lt;b&gt;JUMPER&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="linear">
<packages>
<package name="TO220V">
<description>&lt;b&gt;TO 200 vertical&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="holes">
<packages>
<package name="3,0">
<description>&lt;b&gt;MOUNTING HOLE&lt;/b&gt; 3.0 mm with drill center</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="IC1" library="atmel" package="DIL40" value="ATMEGA644-20PU"/>
<element name="S1" library="SparkFun" package="TACTILE-PTH" value=""/>
<element name="C1" library="SparkFun" package="CAP-PTH-SMALL" value="0.1uF"/>
<element name="R1" library="rcl" package="0207/7" value="10k"/>
<element name="Q1" library="SparkFun" package="HC49US" value="16-20MHz"/>
<element name="C2" library="SparkFun" package="CAP-PTH-SMALL" value="22pF"/>
<element name="C3" library="SparkFun" package="CAP-PTH-SMALL" value="22pF"/>
<element name="D1" library="diode" package="DO41-10" value="1N4004"/>
<element name="D2" library="diode" package="DO41-10" value="1N4004"/>
<element name="D3" library="diode" package="DO41-10" value="1N4004"/>
<element name="Q2" library="transistor-power" package="TO220BV" value="IRFZ44N"/>
<element name="Q3" library="transistor-power" package="TO220BV" value="IRFZ44N"/>
<element name="Q4" library="transistor-power" package="TO220BV" value="IRFZ44N"/>
<element name="LED1" library="SparkFun" package="LED3MM" value=""/>
<element name="LED2" library="SparkFun" package="LED3MM" value=""/>
<element name="LED3" library="SparkFun" package="LED3MM" value=""/>
<element name="LED4" library="SparkFun" package="LED3MM" value=""/>
<element name="LED5" library="SparkFun" package="LED3MM" value=""/>
<element name="R2" library="rcl" package="0207/2V" value="330"/>
<element name="R3" library="rcl" package="0207/7" value="1k"/>
<element name="R4" library="rcl" package="0207/5V" value="330"/>
<element name="R5" library="rcl" package="0207/7" value="560"/>
<element name="R6" library="rcl" package="0207/7" value="560"/>
<element name="R7" library="rcl" package="0207/7" value="4.7k"/>
<element name="R8" library="rcl" package="0207/5V" value="4.7k"/>
<element name="R9" library="rcl" package="0207/2V" value="4.7k"/>
<element name="R10" library="rcl" package="0207/2V" value="4.7k"/>
<element name="R11" library="rcl" package="0207/7" value="1k"/>
<element name="R12" library="rcl" package="0207/7" value="1k"/>
<element name="R13" library="rcl" package="0207/7" value="1k"/>
<element name="R14" library="rcl" package="0207/7" value="560"/>
<element name="C4" library="SparkFun" package="AXIAL-5MM" value="0.1uF"/>
<element name="C5" library="SparkFun" package="CAP-PTH-SMALL" value="0.1uF"/>
<element name="C6" library="SparkFun" package="CAP-PTH-SMALL" value="0.1uF"/>
<element name="C11" library="SparkFun" package="CAP-PTH-SMALL" value="0.1uF"/>
<element name="C12" library="SparkFun" package="CAP-PTH-SMALL" value="0.1uF"/>
<element name="C15" library="SparkFun" package="CPOL-RADIAL-10UF-25V" value="10uF"/>
<element name="C16" library="SparkFun" package="CPOL-RADIAL-100UF-25V" value="100uF"/>
<element name="C17" library="SparkFun" package="CPOL-RADIAL-10UF-25V" value="10uF"/>
<element name="C18" library="SparkFun" package="CPOL-RADIAL-100UF-25V" value="100uF"/>
<element name="C19" library="SparkFun" package="CPOL-RADIAL-100UF-25V" value="100uF"/>
<element name="X1" library="con-molex" package="5566-20" value="5566-20"/>
<element name="JP3" library="SparkFun" package="1X02" value=""/>
<element name="L1" library="inductors" package="BL01RN1A" value="100uH"/>
<element name="JP6" library="SparkFun" package="1X02" value=""/>
<element name="JP13" library="SparkFun" package="1X06" value=""/>
<element name="JP17" library="SparkFun" package="1X04" value=""/>
<element name="JP18" library="SparkFun" package="MOLEX-1X3" value=""/>
<element name="JP19" library="SparkFun" package="MOLEX-1X3" value=""/>
<element name="JP20" library="SparkFun" package="MOLEX-1X3" value=""/>
<element name="JP21" library="SparkFun" package="MOLEX-1X3" value=""/>
<element name="JP22" library="SparkFun" package="MOLEX-1X3" value=""/>
<element name="JP23" library="SparkFun" package="1X05" value=""/>
<element name="J1" library="SparkFun" package="2X3" value="AVR_SPI_PRG_6PTH"/>
<element name="X2" library="con-molex" package="KK-156-4" value=""/>
<element name="X6" library="con-molex" package="KK-156-2" value=""/>
<element name="X7" library="con-molex" package="KK-156-2" value=""/>
<element name="X8" library="con-molex" package="KK-156-2" value=""/>
<element name="J2" library="con-amp" package="350211" value=""/>
<element name="JP4" library="SparkFun" package="1X02" value=""/>
<element name="JP5" library="SparkFun" package="1X02" value=""/>
<element name="JP14" library="SparkFun" package="1X08_LONGPADS" value=""/>
<element name="JP15" library="SparkFun" package="1X08_LONGPADS" value=""/>
<element name="R15" library="rcl" package="0207/7" value="1k"/>
<element name="C7" library="SparkFun" package="CAP-PTH-SMALL" value="0.1uF"/>
<element name="C8" library="SparkFun" package="CAP-PTH-SMALL" value="0.1uF"/>
<element name="X3" library="con-molex" package="KK-156-4" value=""/>
<element name="JP7" library="SparkFun" package="1X02" value=""/>
<element name="JP8" library="SparkFun" package="1X02" value=""/>
<element name="JP9" library="SparkFun" package="1X08_LONGPADS" value=""/>
<element name="JP10" library="SparkFun" package="1X08_LONGPADS" value=""/>
<element name="R16" library="rcl" package="0207/7" value="1k"/>
<element name="C9" library="SparkFun" package="CAP-PTH-SMALL" value="0.1uF"/>
<element name="C10" library="SparkFun" package="CAP-PTH-SMALL" value="0.1uF"/>
<element name="X4" library="con-molex" package="KK-156-4" value=""/>
<element name="JP11" library="SparkFun" package="1X02" value=""/>
<element name="JP12" library="SparkFun" package="1X02" value=""/>
<element name="JP16" library="SparkFun" package="1X08_LONGPADS" value=""/>
<element name="JP24" library="SparkFun" package="1X08_LONGPADS" value=""/>
<element name="R17" library="rcl" package="0207/7" value="1k"/>
<element name="C13" library="SparkFun" package="CAP-PTH-SMALL" value="0.1uF"/>
<element name="C14" library="SparkFun" package="CAP-PTH-SMALL" value="0.1uF"/>
<element name="X5" library="con-molex" package="KK-156-4" value=""/>
<element name="JP25" library="SparkFun" package="1X02" value=""/>
<element name="JP26" library="SparkFun" package="1X02" value=""/>
<element name="JP27" library="SparkFun" package="1X08_LONGPADS" value=""/>
<element name="JP28" library="SparkFun" package="1X08_LONGPADS" value=""/>
<element name="JP29" library="SparkFun" package="MOLEX-1X3" value=""/>
<element name="JP30" library="jumper" package="JP1" value=""/>
<element name="JP31" library="jumper" package="JP1" value=""/>
<element name="J3" library="SparkFun" package="POWER_JACK_PTH" value="POWER_JACKPTH"/>
<element name="IC2" library="linear" package="TO220V" value="7805TV"/>
<element name="C20" library="SparkFun" package="CAP-PTH-SMALL" value="0.1uF"/>
<element name="C21" library="SparkFun" package="CPOL-RADIAL-100UF-25V" value="100uF"/>
<element name="C22" library="SparkFun" package="CPOL-RADIAL-10UF-25V" value="10uF"/>
<element name="C23" library="SparkFun" package="CAP-PTH-SMALL" value="0.1uF"/>
<element name="D4" library="diode" package="C1702-05" value="1N4004"/>
<element name="F1" library="SparkFun" package="FUSE_5MM" value="FUSEX20MM"/>
<element name="JP1" library="SparkFun" package="1X02" value=""/>
<element name="JP2" library="jumper" package="JP1" value=""/>
<element name="JP32" library="SparkFun" package="MOLEX-1X3" value=""/>
<element name="JP33" library="SparkFun" package="MOLEX-1X3" value=""/>
<element name="Y1" library="SparkFun" package="RESONATOR-PTH" value="RESONATORPTH"/>
<element name="H1" library="holes" package="3,0" value="MOUNT-HOLE3.0"/>
<element name="H2" library="holes" package="3,0" value="MOUNT-HOLE3.0"/>
<element name="H3" library="holes" package="3,0" value="MOUNT-HOLE3.0"/>
<element name="H4" library="holes" package="3,0" value="MOUNT-HOLE3.0"/>
</elements>
<signals>
<signal name="GND">
<contactref element="Q2" pad="S"/>
<contactref element="Q3" pad="S"/>
<contactref element="Q4" pad="S"/>
<contactref element="C3" pad="2"/>
<contactref element="C2" pad="2"/>
<contactref element="LED4" pad="K"/>
<contactref element="JP13" pad="2"/>
<contactref element="JP13" pad="1"/>
<contactref element="C1" pad="2"/>
<contactref element="JP17" pad="1"/>
<contactref element="S1" pad="1"/>
<contactref element="J1" pad="6"/>
<contactref element="J2" pad="2"/>
<contactref element="J2" pad="3"/>
<contactref element="C18" pad="2"/>
<contactref element="C12" pad="2"/>
<contactref element="JP15" pad="1"/>
<contactref element="JP15" pad="7"/>
<contactref element="C11" pad="2"/>
<contactref element="X1" pad="17"/>
<contactref element="X1" pad="15"/>
<contactref element="X1" pad="16"/>
<contactref element="X1" pad="3"/>
<contactref element="X1" pad="5"/>
<contactref element="X1" pad="7"/>
<contactref element="C8" pad="2"/>
<contactref element="JP10" pad="1"/>
<contactref element="JP10" pad="7"/>
<contactref element="C7" pad="2"/>
<contactref element="C10" pad="2"/>
<contactref element="JP24" pad="1"/>
<contactref element="JP24" pad="7"/>
<contactref element="C9" pad="2"/>
<contactref element="C14" pad="2"/>
<contactref element="JP28" pad="1"/>
<contactref element="JP28" pad="7"/>
<contactref element="C13" pad="2"/>
<contactref element="JP18" pad="2"/>
<contactref element="JP29" pad="2"/>
<contactref element="JP19" pad="2"/>
<contactref element="JP20" pad="2"/>
<contactref element="JP21" pad="2"/>
<contactref element="JP22" pad="2"/>
<contactref element="C5" pad="2"/>
<contactref element="C6" pad="2"/>
<contactref element="IC1" pad="31"/>
<contactref element="IC1" pad="11"/>
<contactref element="C20" pad="2"/>
<contactref element="J3" pad="GNDBREAK"/>
<contactref element="J3" pad="GND"/>
<contactref element="C21" pad="2"/>
<contactref element="C22" pad="2"/>
<contactref element="C23" pad="2"/>
<contactref element="IC2" pad="2"/>
<contactref element="C17" pad="2"/>
<contactref element="C15" pad="2"/>
<contactref element="JP32" pad="1"/>
<contactref element="JP33" pad="1"/>
<contactref element="Y1" pad="2"/>
<contactref element="C19" pad="2"/>
<contactref element="C16" pad="2"/>
<contactref element="LED5" pad="K"/>
</signal>
<signal name="N$1">
<contactref element="R14" pad="2"/>
<contactref element="LED1" pad="A"/>
</signal>
<signal name="N$3">
<contactref element="D1" pad="A"/>
<contactref element="LED1" pad="K"/>
<contactref element="X6" pad="1"/>
<contactref element="Q2" pad="D"/>
</signal>
<signal name="+12V">
<contactref element="X6" pad="2"/>
<contactref element="R14" pad="1"/>
<contactref element="D1" pad="C"/>
<contactref element="D2" pad="C"/>
<contactref element="X8" pad="2"/>
<contactref element="R6" pad="1"/>
<contactref element="X7" pad="2"/>
<contactref element="D3" pad="C"/>
<contactref element="R5" pad="1"/>
<contactref element="JP15" pad="8"/>
<contactref element="C11" pad="1"/>
<contactref element="JP10" pad="8"/>
<contactref element="C7" pad="1"/>
<contactref element="JP24" pad="8"/>
<contactref element="C9" pad="1"/>
<contactref element="JP28" pad="8"/>
<contactref element="C13" pad="1"/>
<contactref element="C18" pad="1"/>
<contactref element="J2" pad="1"/>
<contactref element="F1" pad="3"/>
<contactref element="IC2" pad="1"/>
<contactref element="C20" pad="1"/>
<contactref element="C21" pad="1"/>
</signal>
<signal name="N$5">
<contactref element="Q2" pad="G"/>
<contactref element="R13" pad="2"/>
</signal>
<signal name="N$7">
<contactref element="X8" pad="1"/>
<contactref element="D2" pad="A"/>
<contactref element="LED2" pad="K"/>
<contactref element="Q3" pad="D"/>
</signal>
<signal name="N$8">
<contactref element="R6" pad="2"/>
<contactref element="LED2" pad="A"/>
</signal>
<signal name="N$2">
<contactref element="Q3" pad="G"/>
<contactref element="R12" pad="2"/>
</signal>
<signal name="N$4">
<contactref element="Q4" pad="G"/>
<contactref element="R11" pad="2"/>
</signal>
<signal name="N$9">
<contactref element="D3" pad="A"/>
<contactref element="X7" pad="1"/>
<contactref element="LED3" pad="K"/>
<contactref element="Q4" pad="D"/>
</signal>
<signal name="N$10">
<contactref element="R5" pad="2"/>
<contactref element="LED3" pad="A"/>
</signal>
<signal name="X1">
<contactref element="Q1" pad="1"/>
<contactref element="C3" pad="1"/>
<contactref element="IC1" pad="13"/>
<contactref element="Y1" pad="1"/>
</signal>
<signal name="X2">
<contactref element="Q1" pad="2"/>
<contactref element="C2" pad="1"/>
<contactref element="IC1" pad="12"/>
<contactref element="Y1" pad="3"/>
</signal>
<signal name="N$14">
<contactref element="LED4" pad="A"/>
<contactref element="R4" pad="2"/>
</signal>
<signal name="VCC">
<contactref element="R4" pad="1"/>
<contactref element="JP3" pad="1"/>
<contactref element="C1" pad="1"/>
<contactref element="R1" pad="2"/>
<contactref element="J1" pad="2"/>
<contactref element="JP18" pad="3"/>
<contactref element="JP29" pad="3"/>
<contactref element="JP19" pad="3"/>
<contactref element="JP20" pad="3"/>
<contactref element="JP21" pad="3"/>
<contactref element="JP22" pad="3"/>
<contactref element="L1" pad="1"/>
<contactref element="JP17" pad="4"/>
<contactref element="R10" pad="1"/>
<contactref element="R9" pad="1"/>
<contactref element="IC1" pad="10"/>
<contactref element="JP2" pad="1"/>
<contactref element="JP30" pad="2"/>
<contactref element="JP31" pad="2"/>
<contactref element="C16" pad="1"/>
<contactref element="R2" pad="2"/>
</signal>
<signal name="N$13">
<contactref element="JP13" pad="6"/>
<contactref element="C4" pad="P$1"/>
</signal>
<signal name="N$6">
<contactref element="JP13" pad="3"/>
<contactref element="JP3" pad="2"/>
</signal>
<signal name="TXD0">
<contactref element="JP13" pad="5"/>
<contactref element="IC1" pad="15"/>
</signal>
<signal name="RXD0">
<contactref element="JP13" pad="4"/>
<contactref element="IC1" pad="14"/>
</signal>
<signal name="SCL">
<contactref element="JP17" pad="3"/>
<contactref element="R10" pad="2"/>
<contactref element="IC1" pad="22"/>
</signal>
<signal name="SDA">
<contactref element="JP17" pad="2"/>
<contactref element="R9" pad="2"/>
<contactref element="IC1" pad="23"/>
</signal>
<signal name="SCK">
<contactref element="J1" pad="3"/>
<contactref element="IC1" pad="8"/>
<contactref element="JP18" pad="1"/>
</signal>
<signal name="MISO">
<contactref element="J1" pad="1"/>
<contactref element="IC1" pad="7"/>
<contactref element="JP19" pad="1"/>
</signal>
<signal name="MOSI">
<contactref element="J1" pad="4"/>
<contactref element="IC1" pad="6"/>
<contactref element="JP20" pad="1"/>
</signal>
<signal name="RESET">
<contactref element="S1" pad="3"/>
<contactref element="R1" pad="1"/>
<contactref element="J1" pad="5"/>
<contactref element="IC1" pad="9"/>
<contactref element="C4" pad="P$2"/>
</signal>
<signal name="N$25">
<contactref element="JP14" pad="5"/>
<contactref element="JP14" pad="6"/>
</signal>
<signal name="N$26">
<contactref element="JP5" pad="1"/>
<contactref element="JP14" pad="4"/>
</signal>
<signal name="N$27">
<contactref element="JP4" pad="1"/>
<contactref element="JP14" pad="3"/>
</signal>
<signal name="N$28">
<contactref element="JP14" pad="2"/>
<contactref element="R3" pad="1"/>
<contactref element="JP5" pad="2"/>
<contactref element="JP4" pad="2"/>
</signal>
<signal name="N$18">
<contactref element="JP15" pad="6"/>
<contactref element="X2" pad="1"/>
</signal>
<signal name="N$24">
<contactref element="JP15" pad="5"/>
<contactref element="X2" pad="2"/>
</signal>
<signal name="N$29">
<contactref element="JP15" pad="4"/>
<contactref element="X2" pad="3"/>
</signal>
<signal name="N$30">
<contactref element="JP15" pad="3"/>
<contactref element="X2" pad="4"/>
</signal>
<signal name="PS_ON">
<contactref element="X1" pad="14"/>
<contactref element="IC1" pad="21"/>
</signal>
<signal name="N$31">
<contactref element="JP9" pad="5"/>
<contactref element="JP9" pad="6"/>
</signal>
<signal name="N$32">
<contactref element="JP8" pad="1"/>
<contactref element="JP9" pad="4"/>
</signal>
<signal name="N$33">
<contactref element="JP7" pad="1"/>
<contactref element="JP9" pad="3"/>
</signal>
<signal name="N$35">
<contactref element="JP10" pad="6"/>
<contactref element="X3" pad="1"/>
</signal>
<signal name="N$36">
<contactref element="JP10" pad="5"/>
<contactref element="X3" pad="2"/>
</signal>
<signal name="N$37">
<contactref element="JP10" pad="4"/>
<contactref element="X3" pad="3"/>
</signal>
<signal name="N$38">
<contactref element="JP10" pad="3"/>
<contactref element="X3" pad="4"/>
</signal>
<signal name="N$39">
<contactref element="JP16" pad="5"/>
<contactref element="JP16" pad="6"/>
</signal>
<signal name="N$40">
<contactref element="JP12" pad="1"/>
<contactref element="JP16" pad="4"/>
</signal>
<signal name="N$41">
<contactref element="JP11" pad="1"/>
<contactref element="JP16" pad="3"/>
</signal>
<signal name="N$42">
<contactref element="JP16" pad="2"/>
<contactref element="R16" pad="1"/>
<contactref element="JP12" pad="2"/>
<contactref element="JP11" pad="2"/>
</signal>
<signal name="N$43">
<contactref element="JP24" pad="6"/>
<contactref element="X4" pad="1"/>
</signal>
<signal name="N$44">
<contactref element="JP24" pad="5"/>
<contactref element="X4" pad="2"/>
</signal>
<signal name="N$45">
<contactref element="JP24" pad="4"/>
<contactref element="X4" pad="3"/>
</signal>
<signal name="N$46">
<contactref element="JP24" pad="3"/>
<contactref element="X4" pad="4"/>
</signal>
<signal name="N$47">
<contactref element="JP27" pad="5"/>
<contactref element="JP27" pad="6"/>
</signal>
<signal name="N$48">
<contactref element="JP26" pad="1"/>
<contactref element="JP27" pad="4"/>
</signal>
<signal name="N$49">
<contactref element="JP25" pad="1"/>
<contactref element="JP27" pad="3"/>
</signal>
<signal name="N$50">
<contactref element="JP27" pad="2"/>
<contactref element="R17" pad="1"/>
<contactref element="JP26" pad="2"/>
<contactref element="JP25" pad="2"/>
</signal>
<signal name="N$51">
<contactref element="JP28" pad="6"/>
<contactref element="X5" pad="1"/>
</signal>
<signal name="N$52">
<contactref element="JP28" pad="5"/>
<contactref element="X5" pad="2"/>
</signal>
<signal name="N$53">
<contactref element="JP28" pad="4"/>
<contactref element="X5" pad="3"/>
</signal>
<signal name="N$54">
<contactref element="JP28" pad="3"/>
<contactref element="X5" pad="4"/>
</signal>
<signal name="Z_MAX">
<contactref element="JP29" pad="1"/>
<contactref element="IC1" pad="1"/>
</signal>
<signal name="Z_MIN">
<contactref element="JP22" pad="1"/>
<contactref element="IC1" pad="2"/>
</signal>
<signal name="Y_MAX">
<contactref element="JP21" pad="1"/>
<contactref element="IC1" pad="3"/>
</signal>
<signal name="AREF">
<contactref element="C5" pad="1"/>
<contactref element="IC1" pad="32"/>
</signal>
<signal name="N$21">
<contactref element="IC1" pad="20"/>
<contactref element="JP23" pad="1"/>
</signal>
<signal name="N$22">
<contactref element="IC1" pad="19"/>
<contactref element="JP23" pad="2"/>
</signal>
<signal name="N$55">
<contactref element="IC1" pad="18"/>
<contactref element="JP23" pad="3"/>
</signal>
<signal name="N$56">
<contactref element="IC1" pad="17"/>
<contactref element="JP23" pad="4"/>
</signal>
<signal name="N$57">
<contactref element="IC1" pad="16"/>
<contactref element="JP23" pad="5"/>
</signal>
<signal name="POUT1">
<contactref element="R13" pad="1"/>
<contactref element="IC1" pad="4"/>
</signal>
<signal name="POUT2">
<contactref element="R12" pad="1"/>
<contactref element="IC1" pad="5"/>
</signal>
<signal name="POUT3">
<contactref element="R11" pad="1"/>
<contactref element="IC1" pad="40"/>
</signal>
<signal name="TEMP1">
<contactref element="IC1" pad="39"/>
<contactref element="R7" pad="2"/>
<contactref element="C17" pad="1"/>
<contactref element="JP32" pad="2"/>
</signal>
<signal name="TEMP2">
<contactref element="IC1" pad="38"/>
<contactref element="R8" pad="2"/>
<contactref element="C15" pad="1"/>
<contactref element="JP33" pad="2"/>
</signal>
<signal name="STEPPER_EN">
<contactref element="IC1" pad="33"/>
<contactref element="JP27" pad="1"/>
<contactref element="JP16" pad="1"/>
<contactref element="JP9" pad="1"/>
<contactref element="JP14" pad="1"/>
</signal>
<signal name="N$11">
<contactref element="X1" pad="9"/>
<contactref element="JP31" pad="1"/>
</signal>
<signal name="5V">
<contactref element="J2" pad="4"/>
<contactref element="JP30" pad="1"/>
<contactref element="IC2" pad="3"/>
<contactref element="C23" pad="1"/>
<contactref element="C22" pad="1"/>
<contactref element="JP2" pad="2"/>
<contactref element="R7" pad="1"/>
<contactref element="R8" pad="1"/>
<contactref element="JP32" pad="3"/>
<contactref element="JP33" pad="3"/>
<contactref element="R16" pad="2"/>
<contactref element="R17" pad="2"/>
<contactref element="R15" pad="2"/>
<contactref element="R3" pad="2"/>
<contactref element="JP15" pad="2"/>
<contactref element="C12" pad="1"/>
<contactref element="JP10" pad="2"/>
<contactref element="C8" pad="1"/>
<contactref element="JP28" pad="2"/>
<contactref element="C14" pad="1"/>
<contactref element="JP24" pad="2"/>
<contactref element="C10" pad="1"/>
<contactref element="X1" pad="19"/>
<contactref element="X1" pad="20"/>
<contactref element="C19" pad="1"/>
</signal>
<signal name="N$16">
<contactref element="IC1" pad="30"/>
<contactref element="L1" pad="2"/>
<contactref element="C6" pad="1"/>
</signal>
<signal name="S1_STEP">
<contactref element="IC1" pad="25"/>
<contactref element="JP14" pad="7"/>
</signal>
<signal name="S1_DIR">
<contactref element="IC1" pad="24"/>
<contactref element="JP14" pad="8"/>
</signal>
<signal name="N$23">
<contactref element="IC1" pad="26"/>
<contactref element="JP6" pad="2"/>
</signal>
<signal name="N$58">
<contactref element="IC1" pad="27"/>
<contactref element="JP6" pad="1"/>
</signal>
<signal name="S2_DIR">
<contactref element="IC1" pad="28"/>
<contactref element="JP9" pad="8"/>
</signal>
<signal name="S2_STEP">
<contactref element="IC1" pad="29"/>
<contactref element="JP9" pad="7"/>
</signal>
<signal name="S4_STEP">
<contactref element="IC1" pad="37"/>
<contactref element="JP27" pad="7"/>
</signal>
<signal name="S4_DIR">
<contactref element="IC1" pad="36"/>
<contactref element="JP27" pad="8"/>
</signal>
<signal name="S3_STEP">
<contactref element="IC1" pad="35"/>
<contactref element="JP16" pad="7"/>
</signal>
<signal name="S3_DIR">
<contactref element="IC1" pad="34"/>
<contactref element="JP16" pad="8"/>
</signal>
<signal name="N$68">
<contactref element="J3" pad="PWR"/>
<contactref element="D4" pad="A"/>
</signal>
<signal name="N$70">
<contactref element="F1" pad="1"/>
<contactref element="JP1" pad="2"/>
</signal>
<signal name="N$72">
<contactref element="D4" pad="C"/>
<contactref element="JP1" pad="1"/>
</signal>
<signal name="N$90">
<contactref element="JP8" pad="2"/>
<contactref element="JP7" pad="2"/>
<contactref element="JP9" pad="2"/>
<contactref element="R15" pad="1"/>
</signal>
<signal name="N$12">
<contactref element="R2" pad="1"/>
<contactref element="LED5" pad="A"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
