<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="8.6.0">
<drawing>
<board>
<plain>
<wire x1="0" y1="0" x2="88.57" y2="0" width="0" layer="20"/>
<wire x1="88.57" y1="0" x2="88.57" y2="38.09" width="0" layer="20"/>
<wire x1="88.57" y1="38.09" x2="0" y2="38.09" width="0" layer="20"/>
<wire x1="0" y1="38.09" x2="0" y2="0" width="0" layer="20"/>
<hole x="2.54" y="2.54" drill="3.175"/>
<hole x="2.54" y="35.56" drill="3.175"/>
<hole x="86.36" y="35.56" drill="3.175"/>
<hole x="86.36" y="2.54" drill="3.175"/>
<text>DP</text>
<text>SEG_G</text>
<text>SEG_F</text>
<text>SEG_E</text>
<text>SEG_D</text>
<text>SEG_C</text>
<text>SEG_B</text>
<text>SEG_A</text>
<text>+35V</text>
<text>GND</text>
<text>S1</text>
<text>S2</text>
<text>S3</text>
<text>D4</text>
<text>D3</text>
<text>D2</text>
<text>D1</text>
<text>FIL</text>
<text>DECIMAL SELECT</text>
<text>D1</text>
<text>D2</text>
<text>D3</text>
<text>D4</text>
</plain>
<libraries>
<library name="IV3 shield">
<description>Generated from &lt;b&gt;IV3 shield.sch&lt;/b&gt;&lt;p&gt;
by exp-lbrs.ulp</description>
<packages>
<package name="IV-3-WIDE">
</package>
</packages>
</library>
<library name="uln-udn">
<description>&lt;b&gt;Driver Arrays&lt;/b&gt;&lt;p&gt;
ULN and UDN Series&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="DIL18">
<description>&lt;b&gt;Dual In Line Package&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="jumper">
<description>&lt;b&gt;Jumpers&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="SJ">
<description>&lt;b&gt;Solder jumper&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="pinhead">
<description>&lt;b&gt;Pin Header Connectors&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="1X08">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
<package name="1X10">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="switch-omron">
<description>&lt;b&gt;Omron Switches&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="B3F-10XX">
<description>&lt;b&gt;OMRON SWITCH&lt;/b&gt;</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="DIGIT_1" library="IV3 shield" package="IV-3-WIDE" value="IV-3">
<attribute name="VALUE"/>
</element>
<element name="DIGIT_2" library="IV3 shield" package="IV-3-WIDE" value="IV-3">
<attribute name="VALUE"/>
</element>
<element name="DIGIT_3" library="IV3 shield" package="IV-3-WIDE" value="IV-3">
<attribute name="VALUE"/>
</element>
<element name="DIGIT_4" library="IV3 shield" package="IV-3-WIDE" value="IV-3">
<attribute name="VALUE"/>
</element>
<element name="IC1" library="uln-udn" package="DIL18" value="UDN2981A">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="IC2" library="uln-udn" package="DIL18" value="UDN2981A"/>
<element name="JP2" library="pinhead" package="1X10" value=""/>
<element name="JP1" library="pinhead" package="1X08" value=""/>
<element name="S1" library="switch-omron" package="B3F-10XX" value="">
<attribute name="MF" value=""/>
<attribute name="MPN" value="B3F-1000"/>
<attribute name="NAME"/>
<attribute name="OC_FARNELL" value="176432"/>
<attribute name="OC_NEWARK" value="36M3542"/>
<attribute name="VALUE"/>
</element>
<element name="SJ1" library="jumper" package="SJ" value=""/>
<element name="SJ2" library="jumper" package="SJ" value=""/>
<element name="SJ3" library="jumper" package="SJ" value=""/>
<element name="SJ4" library="jumper" package="SJ" value=""/>
<element name="S2" library="switch-omron" package="B3F-10XX" value="">
<attribute name="MF" value=""/>
<attribute name="MPN" value="B3F-1000"/>
<attribute name="NAME"/>
<attribute name="OC_FARNELL" value="176432"/>
<attribute name="OC_NEWARK" value="36M3542"/>
<attribute name="VALUE"/>
</element>
<element name="S3" library="switch-omron" package="B3F-10XX" value="">
<attribute name="MF" value=""/>
<attribute name="MPN" value="B3F-1000"/>
<attribute name="NAME"/>
<attribute name="OC_FARNELL" value="176432"/>
<attribute name="OC_NEWARK" value="36M3542"/>
<attribute name="VALUE"/>
</element>
</elements>
<signals>
<signal name="SEG_A">
<contactref element="DIGIT_4" pad="A"/>
<contactref element="IC1" pad="18"/>
<contactref element="DIGIT_1" pad="A"/>
<contactref element="DIGIT_2" pad="A"/>
<contactref element="DIGIT_3" pad="A"/>
</signal>
<signal name="SEG_B">
<contactref element="IC1" pad="17"/>
<contactref element="DIGIT_4" pad="B"/>
<contactref element="DIGIT_1" pad="B"/>
<contactref element="DIGIT_2" pad="B"/>
<contactref element="DIGIT_3" pad="B"/>
</signal>
<signal name="SEG_C">
<contactref element="DIGIT_4" pad="C"/>
<contactref element="IC1" pad="16"/>
<contactref element="DIGIT_1" pad="C"/>
<contactref element="DIGIT_2" pad="C"/>
<contactref element="DIGIT_3" pad="C"/>
</signal>
<signal name="SEG_D">
<contactref element="IC1" pad="15"/>
<contactref element="DIGIT_4" pad="D"/>
<contactref element="DIGIT_1" pad="D"/>
<contactref element="DIGIT_2" pad="D"/>
<contactref element="DIGIT_3" pad="D"/>
</signal>
<signal name="SEG_E">
<contactref element="DIGIT_4" pad="E"/>
<contactref element="IC1" pad="14"/>
<contactref element="DIGIT_1" pad="E"/>
<contactref element="DIGIT_2" pad="E"/>
<contactref element="DIGIT_3" pad="E"/>
</signal>
<signal name="SEG_F">
<contactref element="IC1" pad="13"/>
<contactref element="DIGIT_4" pad="F"/>
<contactref element="DIGIT_1" pad="F"/>
<contactref element="DIGIT_2" pad="F"/>
<contactref element="DIGIT_3" pad="F"/>
</signal>
<signal name="SEG_G">
<contactref element="DIGIT_4" pad="G"/>
<contactref element="IC1" pad="12"/>
<contactref element="DIGIT_1" pad="G"/>
<contactref element="DIGIT_2" pad="G"/>
<contactref element="DIGIT_3" pad="G"/>
</signal>
<signal name="G4">
<contactref element="DIGIT_4" pad="GRID"/>
<contactref element="IC2" pad="15"/>
</signal>
<signal name="G3">
<contactref element="DIGIT_3" pad="GRID"/>
<contactref element="IC2" pad="16"/>
</signal>
<signal name="G2">
<contactref element="DIGIT_2" pad="GRID"/>
<contactref element="IC2" pad="17"/>
</signal>
<signal name="G1">
<contactref element="DIGIT_1" pad="GRID"/>
<contactref element="IC2" pad="18"/>
</signal>
<signal name="N$19">
<contactref element="IC1" pad="1"/>
<contactref element="JP1" pad="1"/>
</signal>
<signal name="N$20">
<contactref element="JP1" pad="2"/>
<contactref element="IC1" pad="2"/>
</signal>
<signal name="N$21">
<contactref element="IC1" pad="3"/>
<contactref element="JP1" pad="3"/>
</signal>
<signal name="N$22">
<contactref element="JP1" pad="4"/>
<contactref element="IC1" pad="4"/>
</signal>
<signal name="N$23">
<contactref element="IC1" pad="5"/>
<contactref element="JP1" pad="5"/>
</signal>
<signal name="N$24">
<contactref element="JP1" pad="6"/>
<contactref element="IC1" pad="6"/>
</signal>
<signal name="N$25">
<contactref element="IC1" pad="7"/>
<contactref element="JP1" pad="7"/>
</signal>
<signal name="N$26">
<contactref element="JP1" pad="8"/>
<contactref element="IC1" pad="8"/>
</signal>
<signal name="N$28">
<contactref element="JP2" pad="2"/>
<contactref element="IC2" pad="2"/>
</signal>
<signal name="N$29">
<contactref element="IC2" pad="3"/>
<contactref element="JP2" pad="3"/>
</signal>
<signal name="N$30">
<contactref element="JP2" pad="4"/>
<contactref element="IC2" pad="4"/>
</signal>
<signal name="N$27">
<contactref element="IC2" pad="1"/>
<contactref element="JP2" pad="1"/>
</signal>
<signal name="GND">
<contactref element="IC1" pad="10"/>
<contactref element="IC2" pad="10"/>
<contactref element="S1" pad="1"/>
<contactref element="S2" pad="1"/>
<contactref element="S3" pad="1"/>
<contactref element="S1" pad="2"/>
<contactref element="S2" pad="2"/>
<contactref element="S3" pad="2"/>
<contactref element="JP2" pad="10"/>
<contactref element="DIGIT_4" pad="FIL2"/>
<contactref element="DIGIT_3" pad="FIL2"/>
<contactref element="DIGIT_2" pad="FIL2"/>
<contactref element="DIGIT_1" pad="FIL2"/>
</signal>
<signal name="+35V">
<contactref element="IC1" pad="9"/>
<contactref element="IC2" pad="9"/>
<contactref element="JP2" pad="9"/>
</signal>
<signal name="S_1">
<contactref element="JP2" pad="5"/>
<contactref element="S1" pad="3"/>
<contactref element="S1" pad="4"/>
</signal>
<signal name="DP4">
<contactref element="DIGIT_4" pad="DP"/>
<contactref element="SJ4" pad="1"/>
</signal>
<signal name="DP3">
<contactref element="DIGIT_3" pad="DP"/>
<contactref element="SJ3" pad="1"/>
</signal>
<signal name="DP2">
<contactref element="DIGIT_2" pad="DP"/>
<contactref element="SJ2" pad="1"/>
</signal>
<signal name="DP1">
<contactref element="DIGIT_1" pad="DP"/>
<contactref element="SJ1" pad="1"/>
</signal>
<signal name="DP">
<contactref element="IC1" pad="11"/>
<contactref element="SJ1" pad="2"/>
<contactref element="SJ4" pad="2"/>
<contactref element="SJ3" pad="2"/>
<contactref element="SJ2" pad="2"/>
</signal>
<signal name="FIL1">
<contactref element="DIGIT_4" pad="FIL1"/>
<contactref element="DIGIT_1" pad="FIL1"/>
<contactref element="DIGIT_2" pad="FIL1"/>
<contactref element="DIGIT_3" pad="FIL1"/>
<contactref element="JP2" pad="8"/>
</signal>
<signal name="S_2">
<contactref element="JP2" pad="6"/>
<contactref element="S2" pad="3"/>
<contactref element="S2" pad="4"/>
</signal>
<signal name="S_3">
<contactref element="JP2" pad="7"/>
<contactref element="S3" pad="3"/>
<contactref element="S3" pad="4"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
