<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="7.7.0">
<drawing>
<board>
<plain>
<wire x1="0" y1="0" x2="54.61" y2="0" width="0" layer="20"/>
<wire x1="54.61" y1="0" x2="54.61" y2="30.48" width="0" layer="20"/>
<wire x1="54.61" y1="30.48" x2="46.355" y2="30.48" width="0" layer="20"/>
<wire x1="46.355" y1="30.48" x2="46.355" y2="34.29" width="0" layer="20"/>
<wire x1="46.355" y1="34.29" x2="8.255" y2="34.29" width="0" layer="20"/>
<wire x1="8.255" y1="34.29" x2="8.255" y2="30.48" width="0" layer="20"/>
<wire x1="8.255" y1="30.48" x2="0" y2="30.48" width="0" layer="20"/>
<wire x1="0" y1="30.48" x2="0" y2="0" width="0" layer="20"/>
<text>20k</text>
<text>BS170</text>
<text>5817</text>
<text>1N</text>
<text>ZEN</text>
<text>1mH</text>
<text>PIC12F509</text>
<text>100n</text>
<text>100k</text>
<text>1k</text>
<text>10M</text>
<text>100n</text>
<text>1n
914</text>
<text>TQ2-L-5V</text>
<text>100k</text>
<text>8k2</text>
<text>10k</text>
<text>LP2950</text>
<text>1k</text>
<text>47uF</text>
<text>47uF</text>
<text>4u7</text>
<text>J175</text>
<text>TC7662B</text>
<text>SWITCHING
BOARD</text>
</plain>
<libraries>
<library name="jacks">
<packages>
<package name="DC_TRS">
</package>
<package name="TRS_SW">
</package>
<package name="2PADS">
</package>
<package name="DC_TS">
</package>
</packages>
</library>
<library name="caps-elec">
<packages>
<package name="0632">
<description>0.1" (2.54mm) spacing</description>
</package>
<package name="0502">
<description>0.1" (2.54mm) spacing</description>
</package>
</packages>
</library>
<library name="caps-film">
<packages>
<package name="0.2&quot;.SML">
<description>0.2" (5.08mm) spacing
&lt;p&gt;
&lt;b&gt; 
10pf - 180n&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="diodes">
<packages>
<package name="DO41-3">
<description>&lt;b&gt;DO-41 0.3" pad spacing&lt;/b&gt;</description>
</package>
<package name="DO35-2">
<description>&lt;b&gt;DO-35 0.2" pad spacing&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="integrated circuits">
<packages>
<package name="DIP08">
<description>&lt;b&gt;Dual In Line Package&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="inductors">
<packages>
<package name="AXIAL">
</package>
</packages>
</library>
<library name="transistors-FET">
<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>
<library name="regulators">
<packages>
<package name="TO92">
</package>
</packages>
</library>
<library name="relays">
<packages>
<package name="10PIN">
</package>
</packages>
</library>
<library name="switches">
<packages>
<package name="SPST.MOM">
<description>&lt;b&gt;SPST Momentary Foot Switch&lt;/b&gt;
&lt;br&gt;
 &lt;a href="http://smallbear-electronics.mybigcommerce.com/momentary-spst-no-soft-touch/"&gt;http://smallbear-electronics.mybigcommerce.com/momentary-spst-no-soft-touch/&lt;/a&gt;</description>
</package>
</packages>
</library>
<library name="potentiometers">
<packages>
<package name="TRIM1">
<description>&lt;b&gt;Bourns 3362p&lt;/b&gt;
&lt;p&gt;
&lt;a href="http://www.taydaelectronics.com/potentiometer-variable-resistors/cermet-potentiometers/3362p.html"&gt;http://www.taydaelectronics.com/potentiometer-variable-resistors/cermet-potentiometers/3362p.html&lt;/a&gt;</description>
</package>
</packages>
</library>
<library name="supply pins">
<packages>
<package name="PAD3">
<description>&lt;b&gt;Square Pad (w/label) - 80mil Diameter, 47mil Drill&lt;b&gt;</description>
</package>
<package name="PAD1">
<description>&lt;b&gt;Round Pad (w/label) - 80mil Diameter, 47mil Drill&lt;b&gt;</description>
</package>
</packages>
</library>
<library name="logos">
<packages>
<package name="LOGO_SMALL">
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="+9V" library="jacks" package="DC_TRS" value="DC_TRS_PADS"/>
<element name="C1" library="caps-elec" package="0632" value="150uF"/>
<element name="C2" library="caps-elec" package="0502" value="4u7"/>
<element name="C3" library="caps-film" package="0.2&quot;.SML" value="100n"/>
<element name="C4" library="caps-film" package="0.2&quot;.SML" value="100n"/>
<element name="C5" library="caps-elec" package="0502" value="47uF"/>
<element name="C6" library="caps-elec" package="0502" value="47uF"/>
<element name="D1" library="diodes" package="DO41-3" value="1N5817"/>
<element name="D2" library="diodes" package="DO41-3" value=""/>
<element name="D3" library="diodes" package="DO35-2" value="1n914"/>
<element name="IC1" library="integrated circuits" package="DIP08" value="PIC12F509"/>
<element name="IC2" library="integrated circuits" package="DIP08" value="TC7662B"/>
<element name="J1" library="jacks" package="TRS_SW" value=""/>
<element name="L1" library="inductors" package="AXIAL" value="1mH">
<attribute name="VALUE"/>
</element>
<element name="Q1" library="transistors-FET" package="TO92" value="BS170"/>
<element name="Q2" library="transistors-FET" package="TO92" value="J175"/>
<element name="R1" library="resistors" package="0.3&quot;.B" value="1k"/>
<element name="R2" library="resistors" package="0.3&quot;.B" value="1k"/>
<element name="R3" library="resistors" package="0.3&quot;.B" value="100k"/>
<element name="R4" library="resistors" package="0.3&quot;.B" value="100k"/>
<element name="R5" library="resistors" package="0.3&quot;.B" value="8k2"/>
<element name="R6" library="resistors" package="0.3&quot;.B" value="10k"/>
<element name="R7" library="resistors" package="0.3&quot;.B" value="10M"/>
<element name="REG" library="regulators" package="TO92" value="LP2950"/>
<element name="RLY1" library="relays" package="10PIN" value="TQ2-L-5V"/>
<element name="SW" library="switches" package="SPST.MOM" value=""/>
<element name="T1" library="potentiometers" package="TRIM1" value="20k"/>
<element name="LED" library="supply pins" package="PAD1" value=""/>
<element name="OUT" library="supply pins" package="PAD3" value=""/>
<element name="V-" library="supply pins" package="PAD1" value=""/>
<element name="IN" library="supply pins" package="PAD3" value=""/>
<element name="J2" library="jacks" package="TRS_SW" value=""/>
<element name="GND" library="supply pins" package="PAD1" value=""/>
<element name="V+" library="supply pins" package="PAD3" value=""/>
<element name="G" library="supply pins" package="PAD1" value=""/>
<element name="U$1" library="logos" package="LOGO_SMALL" value=""/>
<element name="J1_ALT" library="jacks" package="2PADS" value=""/>
<element name="J2_ALT" library="jacks" package="2PADS" value=""/>
<element name="BATT" library="jacks" package="DC_TS" value="BATTERY"/>
</elements>
<signals>
<signal name="N$1">
<contactref element="+9V" pad="PWR"/>
<contactref element="D1" pad="A"/>
</signal>
<signal name="GND">
<contactref element="+9V" pad="GND"/>
<contactref element="D2" pad="A"/>
<contactref element="C1" pad="-"/>
<contactref element="C2" pad="-"/>
<contactref element="REG" pad="2"/>
<contactref element="SW" pad="2"/>
<contactref element="Q1" pad="3"/>
<contactref element="T1" pad="1"/>
<contactref element="R4" pad="1"/>
<contactref element="C4" pad="2"/>
<contactref element="IC2" pad="3"/>
<contactref element="C6" pad="+"/>
<contactref element="R6" pad="1"/>
<contactref element="R7" pad="1"/>
<contactref element="J1" pad="S"/>
<contactref element="J2" pad="S"/>
<contactref element="GND" pad="1"/>
<contactref element="C3" pad="1"/>
<contactref element="IC1" pad="8"/>
<contactref element="G" pad="1"/>
<contactref element="RLY1" pad="9"/>
<contactref element="J2_ALT" pad="S"/>
<contactref element="J1_ALT" pad="S"/>
</signal>
<signal name="V+">
<contactref element="L1" pad="P$2"/>
<contactref element="D2" pad="C"/>
<contactref element="C1" pad="+"/>
<contactref element="REG" pad="1"/>
<contactref element="IC2" pad="1"/>
<contactref element="IC2" pad="8"/>
<contactref element="R5" pad="1"/>
<contactref element="V+" pad="1"/>
</signal>
<signal name="N$3">
<contactref element="REG" pad="3"/>
<contactref element="C2" pad="+"/>
<contactref element="IC1" pad="1"/>
<contactref element="C3" pad="2"/>
</signal>
<signal name="N$4">
<contactref element="D1" pad="C"/>
<contactref element="L1" pad="P$1"/>
<contactref element="R2" pad="2"/>
</signal>
<signal name="N$5">
<contactref element="IC1" pad="4"/>
<contactref element="R1" pad="2"/>
</signal>
<signal name="N$6">
<contactref element="R1" pad="1"/>
<contactref element="SW" pad="1"/>
</signal>
<signal name="N$7">
<contactref element="IC1" pad="3"/>
<contactref element="RLY1" pad="1"/>
</signal>
<signal name="N$8">
<contactref element="IC1" pad="6"/>
<contactref element="RLY1" pad="10"/>
</signal>
<signal name="N$10">
<contactref element="IC1" pad="7"/>
<contactref element="Q1" pad="2"/>
<contactref element="R3" pad="2"/>
</signal>
<signal name="N$11">
<contactref element="Q1" pad="1"/>
<contactref element="R2" pad="1"/>
<contactref element="T1" pad="3"/>
</signal>
<signal name="LED">
<contactref element="T1" pad="2"/>
<contactref element="LED" pad="1"/>
</signal>
<signal name="N$12">
<contactref element="R3" pad="1"/>
<contactref element="C4" pad="1"/>
<contactref element="D3" pad="A"/>
</signal>
<signal name="N$13">
<contactref element="D3" pad="C"/>
<contactref element="Q2" pad="2"/>
</signal>
<signal name="OUT">
<contactref element="Q2" pad="1"/>
<contactref element="OUT" pad="1"/>
</signal>
<signal name="N$14">
<contactref element="Q2" pad="3"/>
<contactref element="R4" pad="2"/>
<contactref element="RLY1" pad="4"/>
</signal>
<signal name="N$15">
<contactref element="IC2" pad="2"/>
<contactref element="C5" pad="+"/>
</signal>
<signal name="N$16">
<contactref element="IC2" pad="4"/>
<contactref element="C5" pad="-"/>
</signal>
<signal name="V-">
<contactref element="R5" pad="2"/>
<contactref element="R6" pad="2"/>
<contactref element="IC2" pad="5"/>
<contactref element="C6" pad="-"/>
<contactref element="V-" pad="1"/>
</signal>
<signal name="IN">
<contactref element="RLY1" pad="8"/>
<contactref element="R7" pad="2"/>
<contactref element="IN" pad="1"/>
</signal>
<signal name="N$18">
<contactref element="J1" pad="T"/>
<contactref element="RLY1" pad="2"/>
<contactref element="RLY1" pad="7"/>
<contactref element="J1_ALT" pad="T"/>
</signal>
<signal name="N$19">
<contactref element="RLY1" pad="3"/>
<contactref element="J2" pad="T"/>
<contactref element="J2_ALT" pad="T"/>
</signal>
<signal name="N$17">
<contactref element="J1" pad="R"/>
<contactref element="BATT" pad="GND"/>
</signal>
<signal name="N$20">
<contactref element="+9V" pad="RNG"/>
<contactref element="BATT" pad="PWR"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
