<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="7.4.0">
<drawing>
<board>
<plain>
<wire x1="-0.5" y1="-0.5" x2="26.535" y2="-0.5" width="0" layer="20"/>
<wire x1="26.535" y1="-0.5" x2="26.535" y2="32.25" width="0" layer="20"/>
<wire x1="26.535" y1="32.25" x2="-0.5" y2="32.24" width="0" layer="20"/>
<wire x1="-0.5" y1="32.24" x2="-0.5" y2="-0.5" width="0" layer="20"/>
<text>+</text>
<text>+</text>
<text>-</text>
<text>-</text>
<hole x="2.126665625" y="10.993678125" drill="2.5"/>
<text>OUT1</text>
<text>OUT1</text>
<text>LED1</text>
<text>LED1</text>
<text>GND</text>
<text>GND</text>
<text>IN1</text>
<text>IN1</text>
<text>GND</text>
<text>GND</text>
<text>+9V</text>
<text>+9V</text>
<text>GND</text>
<text>GND</text>
<text>IN2</text>
<text>IN2</text>
<text>OUT2</text>
<text>OUT2</text>
<text>LED2</text>
<text>LED2</text>
<text>LED2</text>
<text>LED2</text>
<text>LED1</text>
<text>LED1</text>
<text>Boron Buffer</text>
<text>B</text>
</plain>
<libraries>
<library name="supply pins">
<packages>
<package name="ROUND">
<description>&lt;b&gt;Round Pad&lt;/b&gt;
&lt;ul&gt;&lt;li&gt;drill diameter 0.7 mm&lt;/li&gt;&lt;/ul&gt;</description>
</package>
<package name="SQUARE">
<description>&lt;b&gt;Square Pad&lt;/b&gt;
&lt;ul&gt;&lt;li&gt;drill diameter 0.7 mm&lt;/li&gt;&lt;/ul&gt;</description>
</package>
</packages>
</library>
<library name="capacitors-elec">
<packages>
<package name="050_020_1">
<description>&lt;b&gt;5mm diameter, 2mm lead spacing, 0.1" pad spacing&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="capacitors-film">
<packages>
<package name="BOX_SMALL">
</package>
</packages>
</library>
<library name="diodes">
<packages>
<package name="DO35-3">
<description>&lt;B&gt;DO-35 0.3" spacing&lt;/B&gt;</description>
</package>
<package name="3MM_A">
<description>&lt;B&gt;LED&lt;/B&gt;&lt;p&gt;
3 mm, round</description>
</package>
</packages>
</library>
<library name="integrated circuits">
<packages>
<package name="DIL08">
<description>&lt;b&gt;Dual In Line Package&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="resistors">
<packages>
<package name="R0207/3">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;br&gt;
&lt;br&gt;
length: 6mm&lt;br&gt;
format: 0.1" (perfboard)&lt;br&gt;
spacing: 3 holes

&lt;p&gt;This length resistor applies to 1/4 watt metal film.</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="9V" library="supply pins" package="ROUND" value="PADRND"/>
<element name="C1" library="capacitors-elec" package="050_020_1" value="100u"/>
<element name="C2" library="capacitors-elec" package="050_020_1" value="47u"/>
<element name="C3" library="capacitors-film" package="BOX_SMALL" value="100n"/>
<element name="C4" library="capacitors-elec" package="050_020_1" value="1u"/>
<element name="C5" library="capacitors-elec" package="050_020_1" value="1u"/>
<element name="C6" library="capacitors-film" package="BOX_SMALL" value="100n"/>
<element name="D1" library="diodes" package="DO35-3" value="1N5817"/>
<element name="GND" library="supply pins" package="SQUARE" value="PADSQR"/>
<element name="GND2" library="supply pins" package="SQUARE" value="PADSQR"/>
<element name="IC1" library="integrated circuits" package="DIL08" value="TL072">
<attribute name="NAME"/>
</element>
<element name="IN" library="supply pins" package="ROUND" value="PADRND"/>
<element name="IN2" library="supply pins" package="ROUND" value="PADRND"/>
<element name="CLR1" library="resistors" package="R0207/3" value="4k7"/>
<element name="LED1" library="diodes" package="3MM_A" value="LEDA"/>
<element name="OUT" library="supply pins" package="ROUND" value="PADRND"/>
<element name="OUT2" library="supply pins" package="ROUND" value="PADRND"/>
<element name="R1" library="resistors" package="R0207/3" value="33R"/>
<element name="R2" library="resistors" package="R0207/3" value="100k"/>
<element name="R3" library="resistors" package="R0207/3" value="100k"/>
<element name="R4" library="resistors" package="R0207/3" value="1M"/>
<element name="R7" library="resistors" package="R0207/3" value="1M"/>
<element name="R5" library="resistors" package="R0207/3" value="100k"/>
<element name="R8" library="resistors" package="R0207/3" value="100k"/>
<element name="R6" library="resistors" package="R0207/3" value="560R"/>
<element name="R9" library="resistors" package="R0207/3" value="560R"/>
<element name="LED" library="supply pins" package="ROUND" value="PADRND"/>
<element name="LED2" library="diodes" package="3MM_A" value="LEDA"/>
<element name="CLR2" library="resistors" package="R0207/3" value="4k7"/>
<element name="LED3" library="supply pins" package="ROUND" value="PADRND"/>
<element name="GND3" library="supply pins" package="SQUARE" value="PADSQR"/>
</elements>
<signals>
<signal name="N$1">
<contactref element="C1" pad="+"/>
<contactref element="R1" pad="2"/>
<contactref element="CLR1" pad="1"/>
<contactref element="CLR2" pad="1"/>
<contactref element="IC1" pad="8"/>
<contactref element="R2" pad="1"/>
</signal>
<signal name="GND">
<contactref element="C2" pad="-"/>
<contactref element="IC1" pad="4"/>
<contactref element="R5" pad="1"/>
<contactref element="R8" pad="1"/>
<contactref element="R3" pad="1"/>
<contactref element="C1" pad="-"/>
<contactref element="GND" pad="1"/>
<contactref element="GND2" pad="1"/>
<contactref element="GND3" pad="1"/>
</signal>
<signal name="N$3">
<contactref element="R2" pad="2"/>
<contactref element="R3" pad="2"/>
<contactref element="R4" pad="2"/>
<contactref element="C2" pad="+"/>
<contactref element="R7" pad="1"/>
</signal>
<signal name="N$4">
<contactref element="C3" pad="1"/>
<contactref element="R4" pad="1"/>
<contactref element="IC1" pad="3"/>
</signal>
<signal name="N$5">
<contactref element="R1" pad="1"/>
<contactref element="D1" pad="C"/>
</signal>
<signal name="N$6">
<contactref element="IC1" pad="2"/>
<contactref element="IC1" pad="1"/>
<contactref element="C4" pad="+"/>
</signal>
<signal name="N$7">
<contactref element="C4" pad="-"/>
<contactref element="R6" pad="1"/>
<contactref element="R5" pad="2"/>
</signal>
<signal name="N$9">
<contactref element="D1" pad="A"/>
<contactref element="9V" pad="1"/>
</signal>
<signal name="N$10">
<contactref element="C3" pad="2"/>
<contactref element="IN" pad="1"/>
</signal>
<signal name="N$11">
<contactref element="R6" pad="2"/>
<contactref element="OUT" pad="1"/>
</signal>
<signal name="N$12">
<contactref element="R7" pad="2"/>
<contactref element="IC1" pad="5"/>
<contactref element="C6" pad="1"/>
</signal>
<signal name="N$13">
<contactref element="IC1" pad="6"/>
<contactref element="IC1" pad="7"/>
<contactref element="C5" pad="+"/>
</signal>
<signal name="N$14">
<contactref element="C5" pad="-"/>
<contactref element="R9" pad="1"/>
<contactref element="R8" pad="2"/>
</signal>
<signal name="N$15">
<contactref element="R9" pad="2"/>
<contactref element="OUT2" pad="1"/>
</signal>
<signal name="N$16">
<contactref element="IN2" pad="1"/>
<contactref element="C6" pad="2"/>
</signal>
<signal name="N$8">
<contactref element="LED" pad="1"/>
<contactref element="LED1" pad="K"/>
</signal>
<signal name="N$17">
<contactref element="LED1" pad="A"/>
<contactref element="CLR1" pad="2"/>
</signal>
<signal name="N$18">
<contactref element="LED3" pad="1"/>
<contactref element="LED2" pad="K"/>
</signal>
<signal name="N$19">
<contactref element="CLR2" pad="2"/>
<contactref element="LED2" pad="A"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
