<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="9.6.2">
<drawing>
<board>
<plain>
<wire x1="70" y1="100" x2="0" y2="100" width="0.1524" layer="20"/>
<wire x1="0" y1="100" x2="0" y2="0" width="0.1524" layer="20"/>
<text>jhbruhn 2020</text>
<wire x1="0" y1="0" x2="70" y2="0" width="0.1524" layer="20"/>
<wire x1="70" y1="0" x2="70" y2="100" width="0.1524" layer="20"/>
<text>stereo_mix v5</text>
<text>gib</text>
<text>/home/jhbruhn/Downloads/260322bfe49b091852bc7901a328687b.bmp</text>
</plain>
<libraries>
<library name="MusicThingModular">
<description>&lt;B&gt;Music Thing Modular parts library &lt;/b&gt;
&lt;ul&gt;
&lt;li&gt;Components for Eurorack modular synths 
&lt;/ul&gt;</description>
<packages>
<package name="EURO_PWR_HEADER_LOCK">
<description>Eurorack Modular Synth 5 x 2 power header, fat pads and offset pins for easier soldering</description>
</package>
</packages>
</library>
<library name="SparkFun-Aesthetics">
<description>&lt;h3&gt;SparkFun Aesthetics&lt;/h3&gt;
This library contiains non-functional items such as logos, build/ordering notes, frame blocks, etc. 
&lt;br&gt;
&lt;br&gt;
We've spent an enormous amount of time creating and checking these footprints and parts, but it is &lt;b&gt; the end user's responsibility&lt;/b&gt; to ensure correctness and suitablity for a given componet or application. 
&lt;br&gt;
&lt;br&gt;If you enjoy using this library, please buy one of our products at &lt;a href=" www.sparkfun.com"&gt;SparkFun.com&lt;/a&gt;.
&lt;br&gt;
&lt;br&gt;
&lt;b&gt;Licensing:&lt;/b&gt; Creative Commons ShareAlike 4.0 International - https://creativecommons.org/licenses/by-sa/4.0/ 
&lt;br&gt;
&lt;br&gt;
You are welcome to use this library for commercial purposes. For attribution, we ask that when you begin to sell your device using our footprint, you email us with a link to the product being sold. We want bragging rights that we helped (in a very small part) to create your 8th world wonder. We would like the opportunity to feature your device on our homepage.</description>
<packages>
<package name="OSHW-LOGO-S">
<description>&lt;h3&gt;Open-Source Hardware (OSHW) Logo - Small - Silkscreen&lt;/h3&gt;
&lt;p&gt;Silkscreen logo for open-source hardware designs.&lt;/p&gt;
&lt;p&gt;Devices using:
&lt;ul&gt;&lt;li&gt;OSHW_LOGO&lt;/li&gt;&lt;/ul&gt;&lt;/p&gt;</description>
</package>
</packages>
</library>
<library name="jhbruhn-dac">
<packages>
<package name="SO-14">
<description>&lt;B&gt;Small Outline Narrow Plastic Gull Wing&lt;/B&gt;&lt;p&gt;
150-mil body, package type SL</description>
</package>
<package name="SOIC8">
<description>&lt;b&gt;Small Outline IC&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="jhbruhn-opamp">
<packages>
<package name="SOIC8">
<description>&lt;b&gt;Small Outline IC&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="jhbruhn-ref">
<packages>
<package name="SOT23">
<description>&lt;B&gt;DIODE&lt;/B&gt;</description>
</package>
</packages>
</library>
<library name="jhbruhn-cr">
<packages>
<package name="C0402">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;</description>
</package>
<package name="R0402">
<description>&lt;b&gt;Chip RESISTOR 0402 EIA (1005 Metric)&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="jhbruhn-mcu">
<packages>
<package name="LQFP48">
</package>
</packages>
</library>
<library name="jhbruhn-physical">
<packages>
<package name="WQP-PJ301M-12_JACK">
</package>
<package name="9MM_SNAP-IN_POT">
<description>9mm vertical snap-in pot, Alpha / Panasonic style</description>
</package>
<package name="2X5-PTH-1.27MM">
<description>&lt;h3&gt;Plated Through Hole - 2x5 ARM Cortex Debug Connector (10-pin)&lt;/h3&gt;
&lt;p&gt;tDoc (51) layer border represents maximum dimensions of plastic housing.&lt;/p&gt;
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count:10&lt;/li&gt;
&lt;li&gt;Pin pitch:1.27mm&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;
&lt;p&gt;&lt;a href=”http://portal.fciconnect.com/Comergent//fci/drawing/20021111.pdf”&gt;Datasheet referenced for footprint&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;Example device(s):
&lt;ul&gt;&lt;li&gt;CONN_05x2&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</description>
</package>
<package name="TACTILE-PTH">
<description>&lt;b&gt;OMRON SWITCH&lt;/b&gt;</description>
</package>
<package name="LED3MM">
<description>&lt;B&gt;LED&lt;/B&gt;&lt;p&gt;
3 mm, round</description>
</package>
</packages>
</library>
<library name="jhbruhn-cdr">
<packages>
<package name="NX5032">
</package>
<package name="CASE-A_3216">
<description>&lt;b&gt;Chip Capacitor Type KEMET A / EIA 3216-18 reflow solder&lt;/b&gt;&lt;p&gt;KEMET S / EIA 3216-12</description>
</package>
<package name="C0805">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;&lt;p&gt;</description>
</package>
<package name="R0402">
<description>&lt;b&gt;Chip RESISTOR 0402 EIA (1005 Metric)&lt;/b&gt;</description>
</package>
<package name="SOD123">
<description>&lt;b&gt;Diode&lt;/b&gt;</description>
</package>
<package name="C0402">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="jhbruhn-ic">
<packages>
<package name="SOIC16N">
<description>&lt;b&gt;SMALL OUTLINE INTEGRATED CIRCUIT&lt;/b&gt;</description>
</package>
<package name="SOT223">
<description>&lt;b&gt;Small Outline Transistor 223&lt;/b&gt;&lt;p&gt;
PLASTIC PACKAGE CASE 318E-04&lt;br&gt;
Source: http://www.onsemi.co.jp .. LM137M-D.PDF</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
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<element name="C55" library="jhbruhn-cdr" package="C0805" value="10uF">
<attribute name="NAME"/>
<attribute name="POPULARITY" value="88"/>
<attribute name="SPICEPREFIX" value="C"/>
<attribute name="VALUE"/>
</element>
<element name="C56" library="jhbruhn-cdr" package="C0805" value="10uF">
<attribute name="NAME"/>
<attribute name="POPULARITY" value="88"/>
<attribute name="SPICEPREFIX" value="C"/>
<attribute name="VALUE"/>
</element>
<element name="R91" library="jhbruhn-cdr" package="R0402" value="100R">
<attribute name="NAME"/>
<attribute name="POPULARITY" value="0"/>
<attribute name="SPICEPREFIX" value="R"/>
<attribute name="VALUE"/>
</element>
<element name="R92" library="jhbruhn-cdr" package="R0402" value="100R">
<attribute name="NAME"/>
<attribute name="POPULARITY" value="0"/>
<attribute name="SPICEPREFIX" value="R"/>
<attribute name="VALUE"/>
</element>
<element name="R93" library="jhbruhn-cdr" package="R0402" value="100R">
<attribute name="NAME"/>
<attribute name="POPULARITY" value="0"/>
<attribute name="SPICEPREFIX" value="R"/>
<attribute name="VALUE"/>
</element>
<element name="R94" library="jhbruhn-cdr" package="R0402" value="100R">
<attribute name="NAME"/>
<attribute name="POPULARITY" value="0"/>
<attribute name="SPICEPREFIX" value="R"/>
<attribute name="VALUE"/>
</element>
<element name="C57" library="jhbruhn-cdr" package="C0402" value="100nF">
<attribute name="NAME"/>
<attribute name="POPULARITY" value="18"/>
<attribute name="SPICEPREFIX" value="C"/>
<attribute name="VALUE"/>
</element>
<element name="C58" library="jhbruhn-cdr" package="C0402" value="100nF">
<attribute name="NAME"/>
<attribute name="POPULARITY" value="18"/>
<attribute name="SPICEPREFIX" value="C"/>
<attribute name="VALUE"/>
</element>
<element name="C59" library="jhbruhn-cdr" package="C0402" value="100nF">
<attribute name="NAME"/>
<attribute name="POPULARITY" value="18"/>
<attribute name="SPICEPREFIX" value="C"/>
<attribute name="VALUE"/>
</element>
<element name="C60" library="jhbruhn-cdr" package="C0402" value="100nF">
<attribute name="NAME"/>
<attribute name="POPULARITY" value="18"/>
<attribute name="SPICEPREFIX" value="C"/>
<attribute name="VALUE"/>
</element>
<element name="C61" library="jhbruhn-cdr" package="C0402" value="100nF">
<attribute name="NAME"/>
<attribute name="POPULARITY" value="18"/>
<attribute name="SPICEPREFIX" value="C"/>
<attribute name="VALUE"/>
</element>
<element name="C62" library="jhbruhn-cdr" package="C0402" value="100nF">
<attribute name="NAME"/>
<attribute name="POPULARITY" value="18"/>
<attribute name="SPICEPREFIX" value="C"/>
<attribute name="VALUE"/>
</element>
<element name="C63" library="jhbruhn-cdr" package="C0402" value="100nF">
<attribute name="NAME"/>
<attribute name="POPULARITY" value="18"/>
<attribute name="SPICEPREFIX" value="C"/>
<attribute name="VALUE"/>
</element>
<element name="C64" library="jhbruhn-cdr" package="C0402" value="100nF">
<attribute name="NAME"/>
<attribute name="POPULARITY" value="18"/>
<attribute name="SPICEPREFIX" value="C"/>
<attribute name="VALUE"/>
</element>
<element name="C65" library="jhbruhn-cdr" package="CASE-A_3216" value="10uF">
<attribute name="NAME"/>
<attribute name="POPULARITY" value="1"/>
<attribute name="SPICEPREFIX" value="C"/>
<attribute name="VALUE"/>
</element>
<element name="C66" library="jhbruhn-cdr" package="CASE-A_3216" value="10uF">
<attribute name="NAME"/>
<attribute name="POPULARITY" value="1"/>
<attribute name="SPICEPREFIX" value="C"/>
<attribute name="VALUE"/>
</element>
<element name="R95" library="jhbruhn-cdr" package="R0402" value="1k">
<attribute name="NAME"/>
<attribute name="POPULARITY" value="0"/>
<attribute name="SPICEPREFIX" value="R"/>
<attribute name="VALUE"/>
</element>
<element name="R96" library="jhbruhn-cdr" package="R0402" value="1k">
<attribute name="NAME"/>
<attribute name="POPULARITY" value="0"/>
<attribute name="SPICEPREFIX" value="R"/>
<attribute name="VALUE"/>
</element>
<element name="R86" library="jhbruhn-cdr" package="R0402" value="47k">
<attribute name="NAME"/>
<attribute name="POPULARITY" value="0"/>
<attribute name="SPICEPREFIX" value="R"/>
<attribute name="VALUE"/>
</element>
<element name="R87" library="jhbruhn-cdr" package="R0402" value="47k">
<attribute name="NAME"/>
<attribute name="POPULARITY" value="0"/>
<attribute name="SPICEPREFIX" value="R"/>
<attribute name="VALUE"/>
</element>
<element name="S1" library="jhbruhn-physical" package="TACTILE-PTH" value="">
<attribute name="NAME"/>
</element>
<element name="S2" library="jhbruhn-physical" package="TACTILE-PTH" value="">
<attribute name="NAME"/>
</element>
<element name="S3" library="jhbruhn-physical" package="TACTILE-PTH" value="">
<attribute name="NAME"/>
</element>
<element name="S4" library="jhbruhn-physical" package="TACTILE-PTH" value="">
<attribute name="NAME"/>
</element>
<element name="U$1" library="jhbruhn-physical" package="LED3MM" value="LED-BICOLOR-SHARED-THROUGHHOLE">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="U$2" library="jhbruhn-physical" package="LED3MM" value="LED-BICOLOR-SHARED-THROUGHHOLE">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="U$3" library="jhbruhn-physical" package="LED3MM" value="LED-BICOLOR-SHARED-THROUGHHOLE">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="U$4" library="jhbruhn-physical" package="LED3MM" value="LED-BICOLOR-SHARED-THROUGHHOLE">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R97" library="jhbruhn-cr" package="R0402" value="20k">
<attribute name="NAME"/>
<attribute name="POPULARITY" value="0"/>
<attribute name="SPICEPREFIX" value="R"/>
<attribute name="VALUE"/>
</element>
<element name="C67" library="jhbruhn-cdr" package="C0402" value="1.0nF">
<attribute name="NAME"/>
<attribute name="POPULARITY" value="18"/>
<attribute name="SPICEPREFIX" value="C"/>
<attribute name="VALUE"/>
</element>
<element name="R98" library="jhbruhn-cr" package="R0402" value="20k">
<attribute name="NAME"/>
<attribute name="POPULARITY" value="0"/>
<attribute name="SPICEPREFIX" value="R"/>
<attribute name="VALUE"/>
</element>
<element name="C68" library="jhbruhn-cdr" package="C0402" value="1.0nF">
<attribute name="NAME"/>
<attribute name="POPULARITY" value="18"/>
<attribute name="SPICEPREFIX" value="C"/>
<attribute name="VALUE"/>
</element>
<element name="R99" library="jhbruhn-cr" package="R0402" value="20k">
<attribute name="NAME"/>
<attribute name="POPULARITY" value="0"/>
<attribute name="SPICEPREFIX" value="R"/>
<attribute name="VALUE"/>
</element>
<element name="C69" library="jhbruhn-cdr" package="C0402" value="1.0nF">
<attribute name="NAME"/>
<attribute name="POPULARITY" value="18"/>
<attribute name="SPICEPREFIX" value="C"/>
<attribute name="VALUE"/>
</element>
<element name="R100" library="jhbruhn-cr" package="R0402" value="20k">
<attribute name="NAME"/>
<attribute name="POPULARITY" value="0"/>
<attribute name="SPICEPREFIX" value="R"/>
<attribute name="VALUE"/>
</element>
<element name="C70" library="jhbruhn-cdr" package="C0402" value="1.0nF">
<attribute name="NAME"/>
<attribute name="POPULARITY" value="18"/>
<attribute name="SPICEPREFIX" value="C"/>
<attribute name="VALUE"/>
</element>
<element name="R81" library="jhbruhn-cr" package="R0402" value="120k">
<attribute name="NAME"/>
<attribute name="POPULARITY" value="0"/>
<attribute name="SPICEPREFIX" value="R"/>
<attribute name="VALUE"/>
</element>
<element name="R82" library="jhbruhn-cr" package="R0402" value="120k">
<attribute name="NAME"/>
<attribute name="POPULARITY" value="0"/>
<attribute name="SPICEPREFIX" value="R"/>
<attribute name="VALUE"/>
</element>
<element name="R83" library="jhbruhn-cr" package="R0402" value="120k">
<attribute name="NAME"/>
<attribute name="POPULARITY" value="0"/>
<attribute name="SPICEPREFIX" value="R"/>
<attribute name="VALUE"/>
</element>
<element name="R101" library="jhbruhn-cr" package="R0402" value="120k">
<attribute name="NAME"/>
<attribute name="POPULARITY" value="0"/>
<attribute name="SPICEPREFIX" value="R"/>
<attribute name="VALUE"/>
</element>
</elements>
<signals>
<signal name="GND">
<contactref element="U3" pad="3"/>
<contactref element="U3" pad="5"/>
<contactref element="C36" pad="GND1"/>
<contactref element="C36" pad="GND2"/>
<contactref element="C36" pad="GND3"/>
<contactref element="C36" pad="GND4"/>
<contactref element="C36" pad="GND5"/>
<contactref element="C36" pad="GND6"/>
<contactref element="U17" pad="3"/>
<contactref element="U4" pad="3"/>
<contactref element="U4" pad="5"/>
<contactref element="U11" pad="3"/>
<contactref element="U11" pad="5"/>
<contactref element="U12" pad="3"/>
<contactref element="U12" pad="5"/>
<contactref element="U22" pad="3"/>
<contactref element="U22" pad="5"/>
<contactref element="U19" pad="3"/>
<contactref element="C34" pad="1"/>
<contactref element="C35" pad="2"/>
<contactref element="C1" pad="2"/>
<contactref element="C3" pad="2"/>
<contactref element="C5" pad="2"/>
<contactref element="C7" pad="2"/>
<contactref element="C12" pad="2"/>
<contactref element="C11" pad="2"/>
<contactref element="C10" pad="2"/>
<contactref element="C9" pad="2"/>
<contactref element="C2" pad="1"/>
<contactref element="C4" pad="1"/>
<contactref element="C6" pad="1"/>
<contactref element="C8" pad="1"/>
<contactref element="U5" pad="12"/>
<contactref element="U6" pad="12"/>
<contactref element="U13" pad="12"/>
<contactref element="U14" pad="12"/>
<contactref element="U5" pad="8"/>
<contactref element="U6" pad="8"/>
<contactref element="U14" pad="8"/>
<contactref element="U13" pad="8"/>
<contactref element="C42" pad="2"/>
<contactref element="U1" pad="5"/>
<contactref element="U2" pad="5"/>
<contactref element="U9" pad="5"/>
<contactref element="U10" pad="5"/>
<contactref element="C16" pad="2"/>
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<contactref element="C15" pad="2"/>
<contactref element="C13" pad="2"/>
<contactref element="U1" pad="7"/>
<contactref element="U2" pad="7"/>
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<contactref element="C14" pad="2"/>
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<contactref element="U20" pad="4"/>
<contactref element="U17" pad="4"/>
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<contactref element="C23" pad="2"/>
<contactref element="C18" pad="2"/>
<contactref element="C17" pad="2"/>
<contactref element="J1" pad="P$3_SLEEVE"/>
<contactref element="J2" pad="P$3_SLEEVE"/>
<contactref element="J5" pad="P$3_SLEEVE"/>
<contactref element="J6" pad="P$3_SLEEVE"/>
<contactref element="J7" pad="P$3_SLEEVE"/>
<contactref element="J8" pad="P$3_SLEEVE"/>
<contactref element="J4" pad="P$3_SLEEVE"/>
<contactref element="J3" pad="P$3_SLEEVE"/>
<contactref element="J9" pad="P$3_SLEEVE"/>
<contactref element="J10" pad="P$3_SLEEVE"/>
<contactref element="J11" pad="P$3_SLEEVE"/>
<contactref element="J12" pad="P$3_SLEEVE"/>
<contactref element="J16" pad="P$3_SLEEVE"/>
<contactref element="J15" pad="P$3_SLEEVE"/>
<contactref element="J14" pad="P$3_SLEEVE"/>
<contactref element="J13" pad="P$3_SLEEVE"/>
<contactref element="R24" pad="2"/>
<contactref element="R21" pad="1"/>
<contactref element="R27" pad="2"/>
<contactref element="R22" pad="2"/>
<contactref element="R53" pad="1"/>
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<contactref element="R55" pad="1"/>
<contactref element="R56" pad="1"/>
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<contactref element="U21" pad="23"/>
<contactref element="C25" pad="2"/>
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<contactref element="C28" pad="2"/>
<contactref element="U21" pad="44"/>
<contactref element="U21" pad="8"/>
<contactref element="C30" pad="2"/>
<contactref element="IC2" pad="1"/>
<contactref element="C26" pad="1"/>
<contactref element="C27" pad="1"/>
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<contactref element="C38" pad="+"/>
<contactref element="C39" pad="-"/>
<contactref element="C41" pad="-"/>
<contactref element="J17" pad="3"/>
<contactref element="J17" pad="9"/>
<contactref element="J17" pad="5"/>
<contactref element="C40" pad="2"/>
<contactref element="IC1" pad="8"/>
<contactref element="C31" pad="2"/>
<contactref element="IC1" pad="7"/>
<contactref element="VR6" pad="1"/>
<contactref element="VR2" pad="1"/>
<contactref element="VR5" pad="1"/>
<contactref element="VR1" pad="1"/>
<contactref element="VR3" pad="1"/>
<contactref element="VR7" pad="1"/>
<contactref element="VR4" pad="1"/>
<contactref element="VR8" pad="1"/>
<contactref element="IC1" pad="6"/>
<contactref element="D3" pad="1"/>
<contactref element="J19" pad="P$3_SLEEVE"/>
<contactref element="J18" pad="P$3_SLEEVE"/>
<contactref element="U12" pad="4"/>
<contactref element="U4" pad="4"/>
<contactref element="U11" pad="4"/>
<contactref element="U3" pad="4"/>
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<contactref element="C44" pad="2"/>
<contactref element="C45" pad="2"/>
<contactref element="C46" pad="2"/>
<contactref element="C47" pad="1"/>
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<contactref element="C49" pad="2"/>
<contactref element="C51" pad="2"/>
<contactref element="C50" pad="2"/>
<contactref element="C52" pad="2"/>
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<contactref element="C53" pad="2"/>
<contactref element="C56" pad="2"/>
<contactref element="C55" pad="2"/>
<contactref element="C57" pad="2"/>
<contactref element="C58" pad="2"/>
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<contactref element="C60" pad="2"/>
<contactref element="C61" pad="2"/>
<contactref element="C62" pad="2"/>
<contactref element="C63" pad="2"/>
<contactref element="C64" pad="2"/>
<contactref element="R87" pad="1"/>
<contactref element="R86" pad="1"/>
<contactref element="S1" pad="4"/>
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<contactref element="S2" pad="4"/>
<contactref element="S3" pad="3"/>
<contactref element="S3" pad="4"/>
<contactref element="S4" pad="1"/>
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<contactref element="U17" pad="5"/>
<contactref element="U18" pad="5"/>
<contactref element="U19" pad="5"/>
<contactref element="U20" pad="5"/>
</signal>
<signal name="+12V">
<contactref element="U22" pad="8"/>
<contactref element="C35" pad="1"/>
<contactref element="U16" pad="8"/>
<contactref element="U8" pad="8"/>
<contactref element="U15" pad="8"/>
<contactref element="U7" pad="8"/>
<contactref element="C7" pad="1"/>
<contactref element="C5" pad="1"/>
<contactref element="C3" pad="1"/>
<contactref element="C1" pad="1"/>
<contactref element="IC2" pad="3"/>
<contactref element="C37" pad="+"/>
<contactref element="C39" pad="+"/>
<contactref element="D1" pad="C"/>
<contactref element="C48" pad="1"/>
</signal>
<signal name="-12V">
<contactref element="U22" pad="4"/>
<contactref element="C34" pad="2"/>
<contactref element="U7" pad="4"/>
<contactref element="U15" pad="4"/>
<contactref element="U8" pad="4"/>
<contactref element="U16" pad="4"/>
<contactref element="C8" pad="2"/>
<contactref element="C6" pad="2"/>
<contactref element="C4" pad="2"/>
<contactref element="C2" pad="2"/>
<contactref element="C38" pad="-"/>
<contactref element="D2" pad="A"/>
<contactref element="R90" pad="2"/>
<contactref element="C47" pad="2"/>
</signal>
<signal name="2_IN_L">
<contactref element="R6" pad="1"/>
<contactref element="J3" pad="P$1_TIP"/>
<contactref element="J4" pad="P$2_SWITCH"/>
</signal>
<signal name="3_VOLUME_CV">
<contactref element="R79" pad="2"/>
<contactref element="J15" pad="P$1_TIP"/>
</signal>
<signal name="4_IN_L">
<contactref element="R38" pad="1"/>
<contactref element="J7" pad="P$1_TIP"/>
<contactref element="J8" pad="P$2_SWITCH"/>
</signal>
<signal name="4_IN_R">
<contactref element="R40" pad="1"/>
<contactref element="J8" pad="P$1_TIP"/>
</signal>
<signal name="4_PAN_CV_IN">
<contactref element="R72" pad="1"/>
<contactref element="J12" pad="P$1_TIP"/>
</signal>
<signal name="4_VOLUME_CV">
<contactref element="R80" pad="2"/>
<contactref element="J16" pad="P$1_TIP"/>
</signal>
<signal name="1_IN_L">
<contactref element="R2" pad="1"/>
<contactref element="J1" pad="P$1_TIP"/>
<contactref element="J2" pad="P$2_SWITCH"/>
</signal>
<signal name="1_IN_R">
<contactref element="R4" pad="1"/>
<contactref element="J2" pad="P$1_TIP"/>
</signal>
<signal name="2_IN_R">
<contactref element="R8" pad="1"/>
<contactref element="J4" pad="P$1_TIP"/>
</signal>
<signal name="2_PAN_CV_IN">
<contactref element="R68" pad="1"/>
<contactref element="J10" pad="P$1_TIP"/>
</signal>
<signal name="2_VOLUME_CV">
<contactref element="R78" pad="2"/>
<contactref element="J14" pad="P$1_TIP"/>
</signal>
<signal name="3_IN_L">
<contactref element="R34" pad="1"/>
<contactref element="J5" pad="P$1_TIP"/>
<contactref element="J6" pad="P$2_SWITCH"/>
</signal>
<signal name="3_IN_R">
<contactref element="R36" pad="1"/>
<contactref element="J6" pad="P$1_TIP"/>
</signal>
<signal name="3_PAN_CV_IN">
<contactref element="R70" pad="1"/>
<contactref element="J11" pad="P$1_TIP"/>
</signal>
<signal name="AREF_-10">
<contactref element="R1" pad="1"/>
<contactref element="R3" pad="1"/>
<contactref element="R65" pad="1"/>
<contactref element="R5" pad="1"/>
<contactref element="R7" pad="1"/>
<contactref element="R33" pad="1"/>
<contactref element="R35" pad="1"/>
<contactref element="R37" pad="1"/>
<contactref element="R39" pad="1"/>
<contactref element="R67" pad="1"/>
<contactref element="R69" pad="1"/>
<contactref element="R71" pad="1"/>
<contactref element="R90" pad="1"/>
<contactref element="C40" pad="1"/>
<contactref element="D3" pad="2"/>
<contactref element="R81" pad="1"/>
<contactref element="R82" pad="1"/>
<contactref element="R83" pad="1"/>
<contactref element="R101" pad="1"/>
</signal>
<signal name="N$2">
<contactref element="R4" pad="2"/>
<contactref element="R3" pad="2"/>
<contactref element="R10" pad="1"/>
<contactref element="U3" pad="6"/>
</signal>
<signal name="N$5">
<contactref element="R10" pad="2"/>
<contactref element="U5" pad="11"/>
<contactref element="U3" pad="7"/>
</signal>
<signal name="N$4">
<contactref element="R9" pad="2"/>
<contactref element="U5" pad="13"/>
<contactref element="U3" pad="1"/>
</signal>
<signal name="N$6">
<contactref element="R9" pad="1"/>
<contactref element="U3" pad="2"/>
<contactref element="R2" pad="2"/>
<contactref element="R1" pad="2"/>
</signal>
<signal name="N$1">
<contactref element="R13" pad="1"/>
<contactref element="U5" pad="14"/>
</signal>
<signal name="N$3">
<contactref element="R13" pad="2"/>
<contactref element="U7" pad="2"/>
<contactref element="R23" pad="1"/>
</signal>
<signal name="N$8">
<contactref element="R23" pad="2"/>
<contactref element="U7" pad="1"/>
<contactref element="R29" pad="1"/>
</signal>
<signal name="N$9">
<contactref element="R14" pad="2"/>
<contactref element="U7" pad="6"/>
<contactref element="R25" pad="1"/>
</signal>
<signal name="N$10">
<contactref element="R14" pad="1"/>
<contactref element="U5" pad="10"/>
</signal>
<signal name="N$7">
<contactref element="U7" pad="7"/>
<contactref element="R25" pad="2"/>
<contactref element="R30" pad="1"/>
</signal>
<signal name="SUM_L">
<contactref element="R88" pad="1"/>
<contactref element="U22" pad="2"/>
<contactref element="R29" pad="2"/>
<contactref element="R31" pad="2"/>
<contactref element="R61" pad="2"/>
<contactref element="R62" pad="2"/>
<contactref element="C32" pad="1"/>
</signal>
<signal name="SUM_R">
<contactref element="R89" pad="1"/>
<contactref element="U22" pad="6"/>
<contactref element="R30" pad="2"/>
<contactref element="R32" pad="2"/>
<contactref element="R63" pad="2"/>
<contactref element="R64" pad="2"/>
<contactref element="C33" pad="1"/>
</signal>
<signal name="OUT_R">
<contactref element="R89" pad="2"/>
<contactref element="U22" pad="7"/>
<contactref element="C33" pad="2"/>
<contactref element="C66" pad="+"/>
</signal>
<signal name="OUT_L">
<contactref element="R88" pad="2"/>
<contactref element="U22" pad="1"/>
<contactref element="C32" pad="2"/>
<contactref element="C65" pad="+"/>
</signal>
<signal name="N$47">
<contactref element="C36" pad="POS1"/>
<contactref element="C36" pad="POS2"/>
<contactref element="D1" pad="A"/>
</signal>
<signal name="N$48">
<contactref element="C36" pad="NEG1"/>
<contactref element="C36" pad="NEG2"/>
<contactref element="D2" pad="C"/>
</signal>
<signal name="PAN_CV_1">
<contactref element="R73" pad="2"/>
<contactref element="U17" pad="1"/>
<contactref element="C19" pad="2"/>
<contactref element="U21" pad="14"/>
</signal>
<signal name="VOL_CV_1">
<contactref element="U17" pad="7"/>
<contactref element="U21" pad="10"/>
<contactref element="R97" pad="2"/>
<contactref element="C67" pad="2"/>
</signal>
<signal name="N$19">
<contactref element="R8" pad="2"/>
<contactref element="R7" pad="2"/>
<contactref element="R12" pad="1"/>
<contactref element="U4" pad="6"/>
</signal>
<signal name="N$20">
<contactref element="R12" pad="2"/>
<contactref element="U6" pad="11"/>
<contactref element="U4" pad="7"/>
</signal>
<signal name="N$21">
<contactref element="R11" pad="2"/>
<contactref element="U6" pad="13"/>
<contactref element="U4" pad="1"/>
</signal>
<signal name="N$22">
<contactref element="R11" pad="1"/>
<contactref element="U4" pad="2"/>
<contactref element="R6" pad="2"/>
<contactref element="R5" pad="2"/>
</signal>
<signal name="N$23">
<contactref element="R17" pad="1"/>
<contactref element="U6" pad="14"/>
</signal>
<signal name="N$24">
<contactref element="R17" pad="2"/>
<contactref element="U8" pad="2"/>
<contactref element="R26" pad="1"/>
</signal>
<signal name="N$25">
<contactref element="R26" pad="2"/>
<contactref element="U8" pad="1"/>
<contactref element="R31" pad="1"/>
</signal>
<signal name="N$26">
<contactref element="R18" pad="2"/>
<contactref element="U8" pad="6"/>
<contactref element="R28" pad="1"/>
</signal>
<signal name="N$27">
<contactref element="R18" pad="1"/>
<contactref element="U6" pad="10"/>
</signal>
<signal name="N$28">
<contactref element="U8" pad="7"/>
<contactref element="R28" pad="2"/>
<contactref element="R32" pad="1"/>
</signal>
<signal name="N$29">
<contactref element="R36" pad="2"/>
<contactref element="R35" pad="2"/>
<contactref element="R42" pad="1"/>
<contactref element="U11" pad="6"/>
</signal>
<signal name="N$30">
<contactref element="R42" pad="2"/>
<contactref element="U13" pad="11"/>
<contactref element="U11" pad="7"/>
</signal>
<signal name="N$31">
<contactref element="R41" pad="2"/>
<contactref element="U13" pad="13"/>
<contactref element="U11" pad="1"/>
</signal>
<signal name="N$33">
<contactref element="R41" pad="1"/>
<contactref element="U11" pad="2"/>
<contactref element="R34" pad="2"/>
<contactref element="R33" pad="2"/>
</signal>
<signal name="N$34">
<contactref element="R45" pad="1"/>
<contactref element="U13" pad="14"/>
</signal>
<signal name="N$35">
<contactref element="R45" pad="2"/>
<contactref element="U15" pad="2"/>
<contactref element="R57" pad="1"/>
</signal>
<signal name="N$36">
<contactref element="R57" pad="2"/>
<contactref element="U15" pad="1"/>
<contactref element="R61" pad="1"/>
</signal>
<signal name="N$37">
<contactref element="R46" pad="2"/>
<contactref element="U15" pad="6"/>
<contactref element="R59" pad="1"/>
</signal>
<signal name="N$38">
<contactref element="R46" pad="1"/>
<contactref element="U13" pad="10"/>
</signal>
<signal name="N$39">
<contactref element="U15" pad="7"/>
<contactref element="R59" pad="2"/>
<contactref element="R63" pad="1"/>
</signal>
<signal name="N$40">
<contactref element="R40" pad="2"/>
<contactref element="R39" pad="2"/>
<contactref element="R44" pad="1"/>
<contactref element="U12" pad="6"/>
</signal>
<signal name="N$41">
<contactref element="R44" pad="2"/>
<contactref element="U14" pad="11"/>
<contactref element="U12" pad="7"/>
</signal>
<signal name="N$44">
<contactref element="R43" pad="2"/>
<contactref element="U14" pad="13"/>
<contactref element="U12" pad="1"/>
</signal>
<signal name="N$46">
<contactref element="R43" pad="1"/>
<contactref element="U12" pad="2"/>
<contactref element="R38" pad="2"/>
<contactref element="R37" pad="2"/>
</signal>
<signal name="N$49">
<contactref element="R48" pad="1"/>
<contactref element="U14" pad="14"/>
</signal>
<signal name="N$50">
<contactref element="R58" pad="1"/>
<contactref element="R48" pad="2"/>
<contactref element="U16" pad="2"/>
</signal>
<signal name="N$51">
<contactref element="R58" pad="2"/>
<contactref element="U16" pad="1"/>
<contactref element="R62" pad="1"/>
</signal>
<signal name="N$52">
<contactref element="R49" pad="2"/>
<contactref element="U16" pad="6"/>
<contactref element="R60" pad="1"/>
</signal>
<signal name="N$53">
<contactref element="R49" pad="1"/>
<contactref element="U14" pad="10"/>
</signal>
<signal name="N$54">
<contactref element="U16" pad="7"/>
<contactref element="R60" pad="2"/>
<contactref element="R64" pad="1"/>
</signal>
<signal name="PAN_CV_2">
<contactref element="R74" pad="2"/>
<contactref element="C20" pad="2"/>
<contactref element="U18" pad="1"/>
<contactref element="U21" pad="15"/>
</signal>
<signal name="PAN_CV_3">
<contactref element="U19" pad="1"/>
<contactref element="U21" pad="16"/>
<contactref element="C21" pad="2"/>
<contactref element="R75" pad="2"/>
</signal>
<signal name="PAN_CV_4">
<contactref element="R76" pad="2"/>
<contactref element="C22" pad="2"/>
<contactref element="U20" pad="1"/>
<contactref element="U21" pad="17"/>
</signal>
<signal name="VOL_CV_3">
<contactref element="U19" pad="7"/>
<contactref element="U21" pad="12"/>
<contactref element="R99" pad="2"/>
<contactref element="C69" pad="2"/>
</signal>
<signal name="VOL_CV_2">
<contactref element="U18" pad="7"/>
<contactref element="U21" pad="11"/>
<contactref element="R98" pad="2"/>
<contactref element="C68" pad="2"/>
</signal>
<signal name="VOL_CV_4">
<contactref element="U20" pad="7"/>
<contactref element="U21" pad="13"/>
<contactref element="R100" pad="2"/>
<contactref element="C70" pad="2"/>
</signal>
<signal name="CS_DAC_1">
<contactref element="U5" pad="3"/>
<contactref element="U21" pad="38"/>
</signal>
<signal name="CS_DAC_3">
<contactref element="U13" pad="3"/>
<contactref element="U21" pad="28"/>
</signal>
<signal name="CS_DAC_4">
<contactref element="U14" pad="3"/>
<contactref element="U21" pad="2"/>
</signal>
<signal name="CS_DAC_2">
<contactref element="U6" pad="3"/>
<contactref element="U21" pad="43"/>
</signal>
<signal name="MOSI">
<contactref element="U13" pad="5"/>
<contactref element="U14" pad="5"/>
<contactref element="U5" pad="5"/>
<contactref element="U6" pad="5"/>
<contactref element="U1" pad="4"/>
<contactref element="U2" pad="4"/>
<contactref element="U9" pad="4"/>
<contactref element="U10" pad="4"/>
<contactref element="U21" pad="41"/>
</signal>
<signal name="SCK">
<contactref element="U5" pad="4"/>
<contactref element="U13" pad="4"/>
<contactref element="U14" pad="4"/>
<contactref element="U6" pad="4"/>
<contactref element="U1" pad="3"/>
<contactref element="U2" pad="3"/>
<contactref element="U9" pad="3"/>
<contactref element="U10" pad="3"/>
<contactref element="U21" pad="39"/>
</signal>
<signal name="MISO">
<contactref element="U21" pad="40"/>
</signal>
<signal name="BIAS_DAC3_L">
<contactref element="U9" pad="8"/>
<contactref element="R51" pad="1"/>
</signal>
<signal name="BIAS_DAC1_L">
<contactref element="R16" pad="1"/>
<contactref element="U1" pad="8"/>
</signal>
<signal name="BIAS_DAC1_R">
<contactref element="R15" pad="1"/>
<contactref element="U1" pad="6"/>
</signal>
<signal name="BIAS_DAC2_L">
<contactref element="U2" pad="8"/>
<contactref element="R20" pad="1"/>
</signal>
<signal name="BIAS_DAC2_R">
<contactref element="U2" pad="6"/>
<contactref element="R19" pad="1"/>
</signal>
<signal name="BIAS_DAC3_R">
<contactref element="R47" pad="1"/>
<contactref element="U9" pad="6"/>
</signal>
<signal name="BIAS_DAC4_L">
<contactref element="R52" pad="1"/>
<contactref element="U10" pad="8"/>
</signal>
<signal name="BIAS_DAC4_R">
<contactref element="R50" pad="1"/>
<contactref element="U10" pad="6"/>
</signal>
<signal name="CS_BIAS_DAC_1">
<contactref element="U1" pad="2"/>
<contactref element="U21" pad="45"/>
</signal>
<signal name="CS_BIAS_DAC_2">
<contactref element="U2" pad="2"/>
<contactref element="U21" pad="46"/>
</signal>
<signal name="CS_BIAS_DAC_3">
<contactref element="U9" pad="2"/>
<contactref element="U21" pad="21"/>
</signal>
<signal name="CS_BIAS_DAC_4">
<contactref element="U10" pad="2"/>
<contactref element="U21" pad="22"/>
</signal>
<signal name="N$32">
<contactref element="R73" pad="1"/>
<contactref element="U17" pad="2"/>
<contactref element="C19" pad="1"/>
<contactref element="R66" pad="2"/>
<contactref element="R65" pad="2"/>
</signal>
<signal name="N$84">
<contactref element="J9" pad="P$1_TIP"/>
<contactref element="R66" pad="1"/>
</signal>
<signal name="N$89">
<contactref element="R77" pad="2"/>
<contactref element="J13" pad="P$1_TIP"/>
</signal>
<signal name="+3V3">
<contactref element="C17" pad="1"/>
<contactref element="C18" pad="1"/>
<contactref element="C23" pad="1"/>
<contactref element="C24" pad="1"/>
<contactref element="U19" pad="8"/>
<contactref element="U17" pad="8"/>
<contactref element="U20" pad="8"/>
<contactref element="U18" pad="8"/>
<contactref element="U21" pad="9"/>
<contactref element="C30" pad="1"/>
<contactref element="U3" pad="8"/>
<contactref element="U11" pad="8"/>
<contactref element="U4" pad="8"/>
<contactref element="U12" pad="8"/>
<contactref element="C9" pad="1"/>
<contactref element="C10" pad="1"/>
<contactref element="C11" pad="1"/>
<contactref element="C12" pad="1"/>
<contactref element="C13" pad="1"/>
<contactref element="C16" pad="1"/>
<contactref element="U1" pad="1"/>
<contactref element="U2" pad="1"/>
<contactref element="U9" pad="1"/>
<contactref element="U10" pad="1"/>
<contactref element="C15" pad="1"/>
<contactref element="C14" pad="1"/>
<contactref element="C42" pad="1"/>
<contactref element="IC2" pad="4"/>
<contactref element="C41" pad="+"/>
<contactref element="J17" pad="1"/>
<contactref element="R85" pad="2"/>
<contactref element="IC1" pad="16"/>
<contactref element="C31" pad="1"/>
<contactref element="VR1" pad="3"/>
<contactref element="VR5" pad="3"/>
<contactref element="VR2" pad="3"/>
<contactref element="VR6" pad="3"/>
<contactref element="VR3" pad="3"/>
<contactref element="VR7" pad="3"/>
<contactref element="VR4" pad="3"/>
<contactref element="VR8" pad="3"/>
<contactref element="U21" pad="1"/>
<contactref element="C25" pad="1"/>
<contactref element="C29" pad="1"/>
<contactref element="C28" pad="1"/>
<contactref element="U21" pad="24"/>
<contactref element="U21" pad="48"/>
<contactref element="U5" pad="9"/>
<contactref element="U5" pad="1"/>
<contactref element="U6" pad="9"/>
<contactref element="U6" pad="1"/>
<contactref element="U14" pad="1"/>
<contactref element="U14" pad="9"/>
<contactref element="U13" pad="9"/>
<contactref element="U13" pad="1"/>
<contactref element="C43" pad="1"/>
<contactref element="C44" pad="1"/>
<contactref element="C45" pad="1"/>
<contactref element="C46" pad="1"/>
<contactref element="C49" pad="1"/>
<contactref element="C51" pad="1"/>
<contactref element="C50" pad="1"/>
<contactref element="C52" pad="1"/>
<contactref element="C54" pad="1"/>
<contactref element="C53" pad="1"/>
<contactref element="C56" pad="1"/>
<contactref element="C55" pad="1"/>
</signal>
<signal name="N$14">
<contactref element="R16" pad="2"/>
<contactref element="U7" pad="3"/>
<contactref element="R24" pad="1"/>
</signal>
<signal name="N$67">
<contactref element="R27" pad="1"/>
<contactref element="R20" pad="2"/>
<contactref element="U8" pad="3"/>
</signal>
<signal name="N$68">
<contactref element="R19" pad="2"/>
<contactref element="U8" pad="5"/>
<contactref element="R22" pad="1"/>
</signal>
<signal name="N$70">
<contactref element="R51" pad="2"/>
<contactref element="U15" pad="3"/>
<contactref element="R53" pad="2"/>
</signal>
<signal name="N$71">
<contactref element="R47" pad="2"/>
<contactref element="R54" pad="2"/>
<contactref element="U15" pad="5"/>
</signal>
<signal name="N$72">
<contactref element="R50" pad="2"/>
<contactref element="R56" pad="2"/>
<contactref element="U16" pad="5"/>
</signal>
<signal name="N$73">
<contactref element="R55" pad="2"/>
<contactref element="U16" pad="3"/>
<contactref element="R52" pad="2"/>
</signal>
<signal name="N$16">
<contactref element="R21" pad="2"/>
<contactref element="U7" pad="5"/>
<contactref element="R15" pad="2"/>
</signal>
<signal name="N$75">
<contactref element="U21" pad="6"/>
<contactref element="C27" pad="2"/>
<contactref element="X1" pad="P$1"/>
</signal>
<signal name="N$76">
<contactref element="U21" pad="5"/>
<contactref element="C26" pad="2"/>
<contactref element="X1" pad="P$2"/>
</signal>
<signal name="SWDIO">
<contactref element="U21" pad="34"/>
<contactref element="J17" pad="2"/>
</signal>
<signal name="SWDCLK">
<contactref element="U21" pad="37"/>
<contactref element="J17" pad="4"/>
</signal>
<signal name="NRST">
<contactref element="U21" pad="7"/>
<contactref element="J17" pad="10"/>
<contactref element="R85" pad="1"/>
</signal>
<signal name="VOL_1_POT">
<contactref element="VR1" pad="2"/>
<contactref element="IC1" pad="13"/>
<contactref element="C57" pad="1"/>
</signal>
<signal name="VOL_2_POT">
<contactref element="VR5" pad="2"/>
<contactref element="IC1" pad="14"/>
<contactref element="C58" pad="1"/>
</signal>
<signal name="VOL_3_POT">
<contactref element="VR2" pad="2"/>
<contactref element="IC1" pad="15"/>
<contactref element="C59" pad="1"/>
</signal>
<signal name="VOL_4_POT">
<contactref element="VR6" pad="2"/>
<contactref element="IC1" pad="12"/>
<contactref element="C60" pad="1"/>
</signal>
<signal name="PAN_1_POT">
<contactref element="VR3" pad="2"/>
<contactref element="IC1" pad="1"/>
<contactref element="C61" pad="1"/>
</signal>
<signal name="PAN_2_POT">
<contactref element="VR7" pad="2"/>
<contactref element="IC1" pad="5"/>
<contactref element="C62" pad="1"/>
</signal>
<signal name="PAN_3_POT">
<contactref element="VR4" pad="2"/>
<contactref element="IC1" pad="2"/>
<contactref element="C63" pad="1"/>
</signal>
<signal name="PAN_4_POT">
<contactref element="VR8" pad="2"/>
<contactref element="IC1" pad="4"/>
<contactref element="C64" pad="1"/>
</signal>
<signal name="POT_MUX">
<contactref element="IC1" pad="3"/>
<contactref element="U21" pad="18"/>
</signal>
<signal name="MUX_ADDR_2">
<contactref element="IC1" pad="9"/>
<contactref element="U21" pad="27"/>
</signal>
<signal name="MUX_ADDR_1">
<contactref element="IC1" pad="10"/>
<contactref element="U21" pad="26"/>
</signal>
<signal name="MUX_ADDR_0">
<contactref element="IC1" pad="11"/>
<contactref element="U21" pad="25"/>
</signal>
<signal name="SWITCH_1">
<contactref element="U21" pad="33"/>
<contactref element="S1" pad="2"/>
<contactref element="S1" pad="1"/>
</signal>
<signal name="SWITCH_2">
<contactref element="U21" pad="19"/>
<contactref element="S2" pad="1"/>
<contactref element="S2" pad="2"/>
</signal>
<signal name="SWITCH_3">
<contactref element="U21" pad="20"/>
<contactref element="S3" pad="1"/>
<contactref element="S3" pad="2"/>
</signal>
<signal name="SWITCH_4">
<contactref element="U21" pad="42"/>
<contactref element="S4" pad="3"/>
<contactref element="S4" pad="4"/>
</signal>
<signal name="LED_1">
<contactref element="R91" pad="1"/>
<contactref element="U21" pad="29"/>
</signal>
<signal name="LED_2">
<contactref element="R92" pad="1"/>
<contactref element="U21" pad="30"/>
</signal>
<signal name="LED_3">
<contactref element="R93" pad="1"/>
<contactref element="U21" pad="31"/>
</signal>
<signal name="LED_4">
<contactref element="R94" pad="1"/>
<contactref element="U21" pad="32"/>
</signal>
<signal name="N$43">
<contactref element="J19" pad="P$1_TIP"/>
<contactref element="R95" pad="2"/>
<contactref element="J18" pad="P$2_SWITCH"/>
</signal>
<signal name="N$45">
<contactref element="R95" pad="1"/>
<contactref element="C65" pad="-"/>
<contactref element="R86" pad="2"/>
</signal>
<signal name="N$57">
<contactref element="R96" pad="1"/>
<contactref element="C66" pad="-"/>
<contactref element="R87" pad="2"/>
</signal>
<signal name="N$56">
<contactref element="J18" pad="P$1_TIP"/>
<contactref element="R96" pad="2"/>
</signal>
<signal name="N$12">
<contactref element="R91" pad="2"/>
<contactref element="U$1" pad="1"/>
</signal>
<signal name="N$13">
<contactref element="R92" pad="2"/>
<contactref element="U$2" pad="1"/>
</signal>
<signal name="N$18">
<contactref element="R93" pad="2"/>
<contactref element="U$3" pad="1"/>
</signal>
<signal name="N$42">
<contactref element="R94" pad="2"/>
<contactref element="U$4" pad="1"/>
</signal>
<signal name="LED_1_N">
<contactref element="U$1" pad="2"/>
<contactref element="U21" pad="3"/>
</signal>
<signal name="LED_2_N">
<contactref element="U$2" pad="2"/>
<contactref element="U21" pad="4"/>
</signal>
<signal name="LED_3_N">
<contactref element="U$3" pad="2"/>
<contactref element="U21" pad="35"/>
</signal>
<signal name="LED_4_N">
<contactref element="U$4" pad="2"/>
<contactref element="U21" pad="36"/>
</signal>
<signal name="N$62">
<contactref element="C22" pad="1"/>
<contactref element="R76" pad="1"/>
<contactref element="R71" pad="2"/>
<contactref element="U20" pad="2"/>
<contactref element="R72" pad="2"/>
</signal>
<signal name="N$63">
<contactref element="C21" pad="1"/>
<contactref element="R75" pad="1"/>
<contactref element="R69" pad="2"/>
<contactref element="U19" pad="2"/>
<contactref element="R70" pad="2"/>
</signal>
<signal name="N$64">
<contactref element="C20" pad="1"/>
<contactref element="R74" pad="1"/>
<contactref element="R68" pad="2"/>
<contactref element="U18" pad="2"/>
<contactref element="R67" pad="2"/>
</signal>
<signal name="N$65">
<contactref element="C67" pad="1"/>
<contactref element="U17" pad="6"/>
<contactref element="R97" pad="1"/>
<contactref element="R81" pad="2"/>
<contactref element="R77" pad="1"/>
</signal>
<signal name="N$74">
<contactref element="C68" pad="1"/>
<contactref element="R98" pad="1"/>
<contactref element="U18" pad="6"/>
<contactref element="R78" pad="1"/>
<contactref element="R82" pad="2"/>
</signal>
<signal name="N$15">
<contactref element="R83" pad="2"/>
<contactref element="R79" pad="1"/>
<contactref element="C69" pad="1"/>
<contactref element="R99" pad="1"/>
<contactref element="U19" pad="6"/>
</signal>
<signal name="N$17">
<contactref element="C70" pad="1"/>
<contactref element="U20" pad="6"/>
<contactref element="R100" pad="1"/>
<contactref element="R101" pad="2"/>
<contactref element="R80" pad="1"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
