<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="8.2.2">
<drawing>
<board>
<plain>
<wire x1="0.762" y1="17.526" x2="16.256" y2="17.526" width="0" layer="20"/>
<wire x1="16.256" y1="17.526" x2="16.256" y2="3.556" width="0" layer="20"/>
<wire x1="16.256" y1="3.556" x2="36.068" y2="3.556" width="0" layer="20"/>
<wire x1="36.068" y1="3.556" x2="36.068" y2="17.526" width="0" layer="20"/>
<wire x1="36.068" y1="17.526" x2="51.486" y2="17.526" width="0" layer="20"/>
<wire x1="51.486" y1="17.526" x2="51.486" y2="36.185" width="0" layer="20"/>
<wire x1="51.486" y1="36.185" x2="33.02" y2="36.322" width="0" layer="20"/>
<wire x1="33.02" y1="36.322" x2="32.512" y2="36.322" width="0" layer="20"/>
<wire x1="32.512" y1="36.322" x2="32.512" y2="34.036" width="0" layer="20"/>
<wire x1="32.512" y1="34.036" x2="19.558" y2="34.036" width="0" layer="20"/>
<wire x1="19.558" y1="34.036" x2="19.558" y2="36.322" width="0" layer="20"/>
<wire x1="19.558" y1="36.322" x2="0.762" y2="36.322" width="0" layer="20"/>
<wire x1="0.762" y1="36.322" x2="0.762" y2="17.526" width="0" layer="20"/>
<text>G</text>
<text>+</text>
<text>IN</text>
<text>DEP</text>
<text>suchahardman.com</text>
<text>G</text>
<text>+</text>
</plain>
<libraries>
<library name="caps-film">
<packages>
<package name="0.2&quot;.MED">
<description>0.2" (5.08mm) spacing
&lt;p&gt;
&lt;b&gt;220n-680n caps&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="caps-elec">
<packages>
<package name="0502">
<description>0.1" (2.54mm) spacing</description>
</package>
</packages>
</library>
<library name="diodes">
<packages>
<package name="3MM_1">
</package>
</packages>
</library>
<library name="potentiometers">
<packages>
<package name="16MM_C.MOUNT">
<description>&lt;b&gt;16mm / Right-Angle /  PC Mount / Short Pin&lt;/b&gt;
&lt;p&gt;
For aligning the center of the pot shaft to a specific drill location
&lt;p&gt;
&lt;a href="http://smallbear-electronics.mybigcommerce.com/alpha-single-gang-16mm-right-angle-pc-mount/"&gt;http://smallbear-electronics.mybigcommerce.com/alpha-single-gang-16mm-right-angle-pc-mount/&lt;/a&gt;</description>
</package>
<package name="2262_TRIM">
<description>&lt;b&gt;Potentiometer&lt;/b&gt;&lt;p&gt;
1/4" on-board trim potentiometer</description>
</package>
</packages>
</library>
<library name="supply pins">
<packages>
<package name="PAD4">
<description>&lt;b&gt;Square (no label) - 76mil Diameter, 39mil Drill&lt;b&gt;</description>
</package>
<package name="PAD2">
<description>&lt;b&gt;Round Pad (no label) - 76mil Diameter, 39mil Drill&lt;b&gt;</description>
</package>
</packages>
</library>
<library name="transistors-FET">
<packages>
<package name="TO92">
</package>
</packages>
</library>
<library name="transistors-BJT">
<packages>
<package name="TO92">
</package>
</packages>
</library>
<library name="resistors">
<packages>
<package name="0.3&quot;.B">
<description>0.3"  (7.62mm) lead spacing, 1/4W (flat)</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="C1" library="caps-film" package="0.2&quot;.MED" value="0.1uF"/>
<element name="C2" library="caps-elec" package="0502" value="47uF"/>
<element name="C3" library="caps-film" package="0.2&quot;.MED" value="0.47uF"/>
<element name="C4" library="caps-elec" package="0502" value="22uF"/>
<element name="C5" library="caps-film" package="0.2&quot;.MED" value="0.47uF"/>
<element name="C6" library="caps-film" package="0.2&quot;.MED" value="1uF"/>
<element name="C7" library="caps-film" package="0.2&quot;.MED" value="1uF"/>
<element name="C8" library="caps-film" package="0.2&quot;.MED" value="1uF"/>
<element name="D1" library="diodes" package="3MM_1" value="LED.2"/>
<element name="DEPTH" library="potentiometers" package="16MM_C.MOUNT" value="250kB"/>
<element name="GND" library="supply pins" package="PAD4" value="PADS.SQR_NL"/>
<element name="Q1" library="transistors-FET" package="TO92" value="BS170"/>
<element name="Q2" library="transistors-FET" package="TO92" value="2N5457/J201"/>
<element name="Q3" library="transistors-BJT" package="TO92" value="2N5088"/>
<element name="R1" library="resistors" package="0.3&quot;.B" value="1M"/>
<element name="R10" library="resistors" package="0.3&quot;.B" value="15k"/>
<element name="R11" library="resistors" package="0.3&quot;.B" value="1k"/>
<element name="R2" library="resistors" package="0.3&quot;.B" value="1M"/>
<element name="R3" library="resistors" package="0.3&quot;.B" value="180R"/>
<element name="R4" library="resistors" package="0.3&quot;.B" value="1k2"/>
<element name="R5" library="resistors" package="0.3&quot;.B" value="4k7"/>
<element name="R6" library="resistors" package="0.3&quot;.B" value="68k"/>
<element name="R7" library="resistors" package="0.3&quot;.B" value="120k"/>
<element name="R8" library="resistors" package="0.3&quot;.B" value="10k"/>
<element name="R9" library="resistors" package="0.3&quot;.B" value="2M2"/>
<element name="RATE" library="potentiometers" package="16MM_C.MOUNT" value="100kC">
<attribute name="NAME"/>
<attribute name="NAME"/>
</element>
<element name="TRIM" library="potentiometers" package="2262_TRIM" value="100k"/>
<element name="U$1" library="supply pins" package="PAD2" value="PADS.RND_NL"/>
<element name="U$2" library="supply pins" package="PAD4" value="PADS.SQR_NL"/>
<element name="U$4" library="supply pins" package="PAD2" value="PADS.RND_NL"/>
<element name="VOLUME" library="potentiometers" package="16MM_C.MOUNT" value="100kA"/>
<element name="GND10" library="supply pins" package="PAD4" value="PADS.SQR_NL"/>
<element name="9V?" library="supply pins" package="PAD4" value="PADS.SQR_NL"/>
<element name="U$5" library="supply pins" package="PAD2" value="PADS.RND_NL"/>
<element name="U$6" library="supply pins" package="PAD2" value="PADS.RND_NL"/>
</elements>
<signals>
<signal name="IN">
<contactref element="U$1" pad="P$1"/>
<contactref element="R1" pad="2"/>
<contactref element="C1" pad="2"/>
</signal>
<signal name="GND">
<contactref element="R1" pad="1"/>
<contactref element="GND" pad="P$1"/>
<contactref element="C2" pad="-"/>
<contactref element="R4" pad="2"/>
<contactref element="Q2" pad="2"/>
<contactref element="R6" pad="2"/>
<contactref element="VOLUME" pad="1"/>
<contactref element="Q3" pad="3"/>
<contactref element="RATE" pad="1"/>
<contactref element="RATE" pad="2"/>
<contactref element="R10" pad="2"/>
<contactref element="GND10" pad="P$1"/>
<contactref element="TRIM" pad="1"/>
</signal>
<signal name="G">
<contactref element="C1" pad="1"/>
<contactref element="Q1" pad="2"/>
<contactref element="R2" pad="1"/>
</signal>
<signal name="S">
<contactref element="Q1" pad="3"/>
<contactref element="R3" pad="1"/>
</signal>
<signal name="N$5">
<contactref element="R3" pad="2"/>
<contactref element="R4" pad="1"/>
<contactref element="C4" pad="+"/>
</signal>
<signal name="N$2">
<contactref element="TRIM" pad="2"/>
<contactref element="R2" pad="2"/>
<contactref element="C2" pad="+"/>
</signal>
<signal name="9V">
<contactref element="U$2" pad="P$1"/>
<contactref element="TRIM" pad="3"/>
<contactref element="R5" pad="1"/>
<contactref element="R8" pad="1"/>
<contactref element="9V?" pad="P$1"/>
</signal>
<signal name="N$7">
<contactref element="C4" pad="-"/>
<contactref element="Q2" pad="1"/>
</signal>
<signal name="D">
<contactref element="Q1" pad="1"/>
<contactref element="R5" pad="2"/>
<contactref element="C3" pad="2"/>
</signal>
<signal name="N$9">
<contactref element="C3" pad="1"/>
<contactref element="VOLUME" pad="3"/>
</signal>
<signal name="N$10">
<contactref element="Q2" pad="3"/>
<contactref element="DEPTH" pad="2"/>
</signal>
<signal name="N$11">
<contactref element="DEPTH" pad="1"/>
<contactref element="R6" pad="1"/>
</signal>
<signal name="OUT">
<contactref element="VOLUME" pad="2"/>
<contactref element="U$4" pad="P$1"/>
</signal>
<signal name="N$13">
<contactref element="DEPTH" pad="3"/>
<contactref element="R7" pad="2"/>
</signal>
<signal name="N$14">
<contactref element="R7" pad="1"/>
<contactref element="C5" pad="2"/>
</signal>
<signal name="N$15">
<contactref element="C5" pad="1"/>
<contactref element="Q3" pad="1"/>
<contactref element="R9" pad="1"/>
<contactref element="C6" pad="2"/>
<contactref element="U$6" pad="P$1"/>
</signal>
<signal name="N$16">
<contactref element="R9" pad="2"/>
<contactref element="Q3" pad="2"/>
<contactref element="C7" pad="2"/>
</signal>
<signal name="N$17">
<contactref element="C6" pad="1"/>
<contactref element="C8" pad="1"/>
<contactref element="R11" pad="1"/>
</signal>
<signal name="N$18">
<contactref element="C7" pad="1"/>
<contactref element="C8" pad="2"/>
<contactref element="R10" pad="1"/>
</signal>
<signal name="N$19">
<contactref element="R11" pad="2"/>
<contactref element="RATE" pad="3"/>
</signal>
<signal name="N$21">
<contactref element="D1" pad="A"/>
<contactref element="R8" pad="2"/>
</signal>
<signal name="N$1">
<contactref element="D1" pad="K"/>
<contactref element="U$5" pad="P$1"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
