<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="7.6.0">
<drawing>
<board>
<plain>
<wire x1="-1.27" y1="0" x2="97.46" y2="0" width="0" layer="20"/>
<wire x1="97.46" y1="0" x2="97.46" y2="63.49" width="0" layer="20"/>
<wire x1="97.46" y1="63.49" x2="48.26" y2="63.5" width="0" layer="20"/>
<wire x1="48.26" y1="63.5" x2="48.26" y2="62.23" width="0" layer="20"/>
<wire x1="48.26" y1="62.23" x2="43.18" y2="62.23" width="0" layer="20"/>
<wire x1="43.18" y1="62.23" x2="43.18" y2="63.49" width="0" layer="20"/>
<wire x1="43.18" y1="63.49" x2="-1.27" y2="63.49" width="0" layer="20"/>
<wire x1="-1.27" y1="63.49" x2="-1.27" y2="0" width="0" layer="20"/>
<hole x="1.27" y="61.595" drill="2.2"/>
<hole x="95.25" y="61.595" drill="2.2"/>
<hole x="95.25" y="1.905" drill="2.2"/>
<hole x="1.27" y="1.905" drill="2.2"/>
<text>Db</text>
<text>Eb</text>
<text>Bb</text>
<text>Ab</text>
<text>F</text>
<text>C</text>
<text>G</text>
<text>D</text>
<text>A</text>
<text>E</text>
<text>B</text>
<text>F#</text>
<text>M</text>
<text>m</text>
<text>7</text>
<text>set</text>
<text>T. Chordstrum</text>
<text>to A14/DAC</text>
<text>to pin 24</text>
<text>Teensy 3.2 or LC</text>
<text>Vin 3.6
to 6V</text>
<text>GND</text>
<text>Johan Berglund 2017</text>
<hole x="1.27" y="32.385" drill="2.2"/>
<hole x="95.25" y="32.385" drill="2.2"/>
<text>+</text>
<text>-</text>
</plain>
<libraries>
<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="1X01">
<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>
<library name="Teensy_3_and_LC_Series_Boards_v1.4-2">
<packages>
<package name="TEENSY_3.0-3.2&amp;LC_DIL">
</package>
</packages>
</library>
<library name="adafruit">
<packages>
<package name="E2,5-5">
<description>&lt;b&gt;ELECTROLYTIC CAPACITOR&lt;/b&gt;&lt;p&gt;
grid 2.54 mm, diameter 5 mm</description>
</package>
</packages>
</library>
<library name="SparkFun-Connectors">
<description>&lt;h3&gt;SparkFun Connectors&lt;/h3&gt;
This library contains electrically-functional connectors. 
&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="AUDIO-JACK-KIT">
<description>&lt;h3&gt;3.5mm Stereo Audio Jack -Kit Version&lt;/h3&gt;
Reduced openings in tStop, pins spread a tiny bit out to hold part on PCB during assembly
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count:5&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;
&lt;p&gt;&lt;a href=”https://www.sparkfun.com/datasheets/Prototyping/Audio-3.5mm.pdf”&gt;Datasheet referenced for footprint&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;Example device(s):
&lt;ul&gt;&lt;li&gt;Audio_Jack&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="JP1" library="pinhead" package="1X01" value=""/>
<element name="JP2" library="pinhead" package="1X01" value=""/>
<element name="JP3" library="pinhead" package="1X01" value=""/>
<element name="JP4" library="pinhead" package="1X01" value=""/>
<element name="JP5" library="pinhead" package="1X01" value=""/>
<element name="JP6" library="pinhead" package="1X01" value=""/>
<element name="JP7" library="pinhead" package="1X01" value=""/>
<element name="JP8" library="pinhead" package="1X01" value=""/>
<element name="S1" library="switch-omron" package="B3F-10XX" value="">
<attribute name="MPN" value="B3F-1000"/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="176432"/>
<attribute name="OC_NEWARK" value="36M3542"/>
</element>
<element name="S10" library="switch-omron" package="B3F-10XX" value="">
<attribute name="MPN" value="B3F-1000"/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="176432"/>
<attribute name="OC_NEWARK" value="36M3542"/>
</element>
<element name="S11" library="switch-omron" package="B3F-10XX" value="">
<attribute name="MPN" value="B3F-1000"/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="176432"/>
<attribute name="OC_NEWARK" value="36M3542"/>
</element>
<element name="S12" library="switch-omron" package="B3F-10XX" value="">
<attribute name="MPN" value="B3F-1000"/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="176432"/>
<attribute name="OC_NEWARK" value="36M3542"/>
</element>
<element name="S13" library="switch-omron" package="B3F-10XX" value="">
<attribute name="MPN" value="B3F-1000"/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="176432"/>
<attribute name="OC_NEWARK" value="36M3542"/>
</element>
<element name="S14" library="switch-omron" package="B3F-10XX" value="">
<attribute name="MPN" value="B3F-1000"/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="176432"/>
<attribute name="OC_NEWARK" value="36M3542"/>
</element>
<element name="S15" library="switch-omron" package="B3F-10XX" value="">
<attribute name="MPN" value="B3F-1000"/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="176432"/>
<attribute name="OC_NEWARK" value="36M3542"/>
</element>
<element name="S16" library="switch-omron" package="B3F-10XX" value="">
<attribute name="MPN" value="B3F-1000"/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="176432"/>
<attribute name="OC_NEWARK" value="36M3542"/>
</element>
<element name="S17" library="switch-omron" package="B3F-10XX" value="">
<attribute name="MPN" value="B3F-1000"/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="176432"/>
<attribute name="OC_NEWARK" value="36M3542"/>
</element>
<element name="S18" library="switch-omron" package="B3F-10XX" value="">
<attribute name="MPN" value="B3F-1000"/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="176432"/>
<attribute name="OC_NEWARK" value="36M3542"/>
</element>
<element name="S19" library="switch-omron" package="B3F-10XX" value="">
<attribute name="MPN" value="B3F-1000"/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="176432"/>
<attribute name="OC_NEWARK" value="36M3542"/>
</element>
<element name="S2" library="switch-omron" package="B3F-10XX" value="">
<attribute name="MPN" value="B3F-1000"/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="176432"/>
<attribute name="OC_NEWARK" value="36M3542"/>
</element>
<element name="S20" library="switch-omron" package="B3F-10XX" value="">
<attribute name="MPN" value="B3F-1000"/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="176432"/>
<attribute name="OC_NEWARK" value="36M3542"/>
</element>
<element name="S21" library="switch-omron" package="B3F-10XX" value="">
<attribute name="MPN" value="B3F-1000"/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="176432"/>
<attribute name="OC_NEWARK" value="36M3542"/>
</element>
<element name="S22" library="switch-omron" package="B3F-10XX" value="">
<attribute name="MPN" value="B3F-1000"/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="176432"/>
<attribute name="OC_NEWARK" value="36M3542"/>
</element>
<element name="S23" library="switch-omron" package="B3F-10XX" value="">
<attribute name="MPN" value="B3F-1000"/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="176432"/>
<attribute name="OC_NEWARK" value="36M3542"/>
</element>
<element name="S24" library="switch-omron" package="B3F-10XX" value="">
<attribute name="MPN" value="B3F-1000"/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="176432"/>
<attribute name="OC_NEWARK" value="36M3542"/>
</element>
<element name="S25" library="switch-omron" package="B3F-10XX" value="">
<attribute name="MPN" value="B3F-1000"/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="176432"/>
<attribute name="OC_NEWARK" value="36M3542"/>
</element>
<element name="S26" library="switch-omron" package="B3F-10XX" value="">
<attribute name="MPN" value="B3F-1000"/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="176432"/>
<attribute name="OC_NEWARK" value="36M3542"/>
</element>
<element name="S27" library="switch-omron" package="B3F-10XX" value="">
<attribute name="MPN" value="B3F-1000"/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="176432"/>
<attribute name="OC_NEWARK" value="36M3542"/>
</element>
<element name="S28" library="switch-omron" package="B3F-10XX" value="">
<attribute name="MPN" value="B3F-1000"/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="176432"/>
<attribute name="OC_NEWARK" value="36M3542"/>
</element>
<element name="S29" library="switch-omron" package="B3F-10XX" value="">
<attribute name="MPN" value="B3F-1000"/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="176432"/>
<attribute name="OC_NEWARK" value="36M3542"/>
</element>
<element name="S3" library="switch-omron" package="B3F-10XX" value="">
<attribute name="MPN" value="B3F-1000"/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="176432"/>
<attribute name="OC_NEWARK" value="36M3542"/>
</element>
<element name="S30" library="switch-omron" package="B3F-10XX" value="">
<attribute name="MPN" value="B3F-1000"/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="176432"/>
<attribute name="OC_NEWARK" value="36M3542"/>
</element>
<element name="S31" library="switch-omron" package="B3F-10XX" value="">
<attribute name="MPN" value="B3F-1000"/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="176432"/>
<attribute name="OC_NEWARK" value="36M3542"/>
</element>
<element name="S32" library="switch-omron" package="B3F-10XX" value="">
<attribute name="MPN" value="B3F-1000"/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="176432"/>
<attribute name="OC_NEWARK" value="36M3542"/>
</element>
<element name="S33" library="switch-omron" package="B3F-10XX" value="">
<attribute name="MPN" value="B3F-1000"/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="176432"/>
<attribute name="OC_NEWARK" value="36M3542"/>
</element>
<element name="S34" library="switch-omron" package="B3F-10XX" value="">
<attribute name="MPN" value="B3F-1000"/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="176432"/>
<attribute name="OC_NEWARK" value="36M3542"/>
</element>
<element name="S35" library="switch-omron" package="B3F-10XX" value="">
<attribute name="MPN" value="B3F-1000"/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="176432"/>
<attribute name="OC_NEWARK" value="36M3542"/>
</element>
<element name="S36" library="switch-omron" package="B3F-10XX" value="">
<attribute name="MPN" value="B3F-1000"/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="176432"/>
<attribute name="OC_NEWARK" value="36M3542"/>
</element>
<element name="S4" library="switch-omron" package="B3F-10XX" value="">
<attribute name="MPN" value="B3F-1000"/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="176432"/>
<attribute name="OC_NEWARK" value="36M3542"/>
</element>
<element name="S5" library="switch-omron" package="B3F-10XX" value="">
<attribute name="MPN" value="B3F-1000"/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="176432"/>
<attribute name="OC_NEWARK" value="36M3542"/>
</element>
<element name="S6" library="switch-omron" package="B3F-10XX" value="">
<attribute name="MPN" value="B3F-1000"/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="176432"/>
<attribute name="OC_NEWARK" value="36M3542"/>
</element>
<element name="S7" library="switch-omron" package="B3F-10XX" value="">
<attribute name="MPN" value="B3F-1000"/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="176432"/>
<attribute name="OC_NEWARK" value="36M3542"/>
</element>
<element name="S8" library="switch-omron" package="B3F-10XX" value="">
<attribute name="MPN" value="B3F-1000"/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="176432"/>
<attribute name="OC_NEWARK" value="36M3542"/>
</element>
<element name="S9" library="switch-omron" package="B3F-10XX" value="">
<attribute name="MPN" value="B3F-1000"/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="176432"/>
<attribute name="OC_NEWARK" value="36M3542"/>
</element>
<element name="U$2" library="Teensy_3_and_LC_Series_Boards_v1.4-2" package="TEENSY_3.0-3.2&amp;LC_DIL" value="TEENSY_3.1-3.2_DIL"/>
<element name="S37" library="switch-omron" package="B3F-10XX" value="">
<attribute name="MF" value=""/>
<attribute name="MPN" value="B3F-1000"/>
<attribute name="OC_NEWARK" value="36M3542"/>
<attribute name="OC_FARNELL" value="176432"/>
</element>
<element name="JP9" library="pinhead" package="1X01" value=""/>
<element name="JP10" library="pinhead" package="1X01" value=""/>
<element name="C1" library="adafruit" package="E2,5-5" value=""/>
<element name="JP11" library="pinhead" package="1X01" value=""/>
<element name="JP12" library="pinhead" package="1X01" value=""/>
<element name="J1" library="SparkFun-Connectors" package="AUDIO-JACK-KIT" value="AUDIO_JACK_3.5MM_KIT">
<attribute name="SF_ID" value="PRT-08032"/>
<attribute name="PROD_ID" value="CONN-08774"/>
</element>
</elements>
<signals>
<signal name="3.3V">
<contactref element="U$2" pad="3.3V"/>
</signal>
<signal name="N$1">
<contactref element="S1" pad="1"/>
<contactref element="S1" pad="2"/>
<contactref element="S2" pad="2"/>
<contactref element="S2" pad="1"/>
<contactref element="S3" pad="2"/>
<contactref element="S3" pad="1"/>
<contactref element="U$2" pad="15/A1"/>
</signal>
<signal name="N$2">
<contactref element="S4" pad="1"/>
<contactref element="S4" pad="2"/>
<contactref element="S5" pad="2"/>
<contactref element="S5" pad="1"/>
<contactref element="S6" pad="2"/>
<contactref element="S6" pad="1"/>
<contactref element="U$2" pad="20/A6"/>
</signal>
<signal name="N$3">
<contactref element="S7" pad="1"/>
<contactref element="S7" pad="2"/>
<contactref element="S8" pad="2"/>
<contactref element="S8" pad="1"/>
<contactref element="S9" pad="2"/>
<contactref element="S9" pad="1"/>
<contactref element="U$2" pad="21/A7"/>
</signal>
<signal name="N$4">
<contactref element="S10" pad="1"/>
<contactref element="S10" pad="2"/>
<contactref element="S11" pad="2"/>
<contactref element="S11" pad="1"/>
<contactref element="S12" pad="2"/>
<contactref element="S12" pad="1"/>
<contactref element="U$2" pad="5"/>
</signal>
<signal name="N$5">
<contactref element="S13" pad="1"/>
<contactref element="S13" pad="2"/>
<contactref element="S14" pad="2"/>
<contactref element="S14" pad="1"/>
<contactref element="S15" pad="2"/>
<contactref element="S15" pad="1"/>
<contactref element="U$2" pad="6"/>
</signal>
<signal name="N$6">
<contactref element="S16" pad="1"/>
<contactref element="S16" pad="2"/>
<contactref element="S17" pad="2"/>
<contactref element="S17" pad="1"/>
<contactref element="S18" pad="2"/>
<contactref element="S18" pad="1"/>
<contactref element="U$2" pad="7"/>
</signal>
<signal name="N$7">
<contactref element="S19" pad="1"/>
<contactref element="S19" pad="2"/>
<contactref element="S20" pad="2"/>
<contactref element="S20" pad="1"/>
<contactref element="S21" pad="2"/>
<contactref element="S21" pad="1"/>
<contactref element="U$2" pad="8"/>
</signal>
<signal name="N$8">
<contactref element="S22" pad="1"/>
<contactref element="S22" pad="2"/>
<contactref element="S23" pad="2"/>
<contactref element="S23" pad="1"/>
<contactref element="S24" pad="2"/>
<contactref element="S24" pad="1"/>
<contactref element="U$2" pad="9"/>
</signal>
<signal name="N$9">
<contactref element="S25" pad="1"/>
<contactref element="S25" pad="2"/>
<contactref element="S26" pad="2"/>
<contactref element="S26" pad="1"/>
<contactref element="S27" pad="2"/>
<contactref element="S27" pad="1"/>
<contactref element="U$2" pad="10"/>
</signal>
<signal name="N$10">
<contactref element="S28" pad="1"/>
<contactref element="S28" pad="2"/>
<contactref element="S29" pad="2"/>
<contactref element="S29" pad="1"/>
<contactref element="S30" pad="2"/>
<contactref element="S30" pad="1"/>
<contactref element="U$2" pad="11"/>
</signal>
<signal name="N$11">
<contactref element="S31" pad="1"/>
<contactref element="S31" pad="2"/>
<contactref element="S32" pad="2"/>
<contactref element="S32" pad="1"/>
<contactref element="S33" pad="2"/>
<contactref element="S33" pad="1"/>
<contactref element="U$2" pad="12"/>
</signal>
<signal name="N$12">
<contactref element="S34" pad="1"/>
<contactref element="S34" pad="2"/>
<contactref element="S35" pad="2"/>
<contactref element="S35" pad="1"/>
<contactref element="S36" pad="2"/>
<contactref element="S36" pad="1"/>
<contactref element="U$2" pad="14/A0"/>
</signal>
<signal name="N$13">
<contactref element="S1" pad="3"/>
<contactref element="S1" pad="4"/>
<contactref element="S4" pad="3"/>
<contactref element="S4" pad="4"/>
<contactref element="S7" pad="3"/>
<contactref element="S7" pad="4"/>
<contactref element="S10" pad="3"/>
<contactref element="S10" pad="4"/>
<contactref element="S13" pad="3"/>
<contactref element="S13" pad="4"/>
<contactref element="S16" pad="3"/>
<contactref element="S16" pad="4"/>
<contactref element="S19" pad="3"/>
<contactref element="S19" pad="4"/>
<contactref element="S22" pad="3"/>
<contactref element="S22" pad="4"/>
<contactref element="S25" pad="3"/>
<contactref element="S25" pad="4"/>
<contactref element="S28" pad="3"/>
<contactref element="S28" pad="4"/>
<contactref element="S31" pad="3"/>
<contactref element="S31" pad="4"/>
<contactref element="S34" pad="3"/>
<contactref element="S34" pad="4"/>
<contactref element="U$2" pad="4"/>
</signal>
<signal name="N$14">
<contactref element="S2" pad="3"/>
<contactref element="S2" pad="4"/>
<contactref element="S5" pad="3"/>
<contactref element="S5" pad="4"/>
<contactref element="S8" pad="3"/>
<contactref element="S8" pad="4"/>
<contactref element="S11" pad="3"/>
<contactref element="S11" pad="4"/>
<contactref element="S14" pad="3"/>
<contactref element="S14" pad="4"/>
<contactref element="S17" pad="3"/>
<contactref element="S17" pad="4"/>
<contactref element="S20" pad="3"/>
<contactref element="S20" pad="4"/>
<contactref element="S23" pad="3"/>
<contactref element="S23" pad="4"/>
<contactref element="S26" pad="3"/>
<contactref element="S26" pad="4"/>
<contactref element="S29" pad="3"/>
<contactref element="S29" pad="4"/>
<contactref element="S32" pad="3"/>
<contactref element="S32" pad="4"/>
<contactref element="S35" pad="3"/>
<contactref element="S35" pad="4"/>
<contactref element="U$2" pad="3"/>
</signal>
<signal name="N$15">
<contactref element="S3" pad="3"/>
<contactref element="S3" pad="4"/>
<contactref element="S6" pad="3"/>
<contactref element="S6" pad="4"/>
<contactref element="S9" pad="3"/>
<contactref element="S9" pad="4"/>
<contactref element="S12" pad="3"/>
<contactref element="S12" pad="4"/>
<contactref element="S15" pad="3"/>
<contactref element="S15" pad="4"/>
<contactref element="S18" pad="3"/>
<contactref element="S18" pad="4"/>
<contactref element="S21" pad="3"/>
<contactref element="S21" pad="4"/>
<contactref element="S24" pad="3"/>
<contactref element="S24" pad="4"/>
<contactref element="S27" pad="3"/>
<contactref element="S27" pad="4"/>
<contactref element="S30" pad="3"/>
<contactref element="S30" pad="4"/>
<contactref element="S33" pad="3"/>
<contactref element="S33" pad="4"/>
<contactref element="S36" pad="3"/>
<contactref element="S36" pad="4"/>
<contactref element="U$2" pad="2"/>
</signal>
<signal name="N$16">
<contactref element="JP1" pad="1"/>
<contactref element="U$2" pad="1"/>
</signal>
<signal name="N$17">
<contactref element="JP2" pad="1"/>
<contactref element="U$2" pad="0"/>
</signal>
<signal name="N$18">
<contactref element="JP3" pad="1"/>
<contactref element="U$2" pad="23/A9"/>
</signal>
<signal name="N$19">
<contactref element="JP4" pad="1"/>
<contactref element="U$2" pad="22/A8"/>
</signal>
<signal name="N$20">
<contactref element="JP5" pad="1"/>
<contactref element="U$2" pad="19/A5"/>
</signal>
<signal name="N$21">
<contactref element="JP6" pad="1"/>
<contactref element="U$2" pad="18/A4"/>
</signal>
<signal name="N$22">
<contactref element="JP7" pad="1"/>
<contactref element="U$2" pad="17/A3"/>
</signal>
<signal name="N$23">
<contactref element="JP8" pad="1"/>
<contactref element="U$2" pad="16/A2"/>
</signal>
<signal name="AGND">
<contactref element="U$2" pad="AGND"/>
</signal>
<signal name="GND">
<contactref element="S37" pad="1"/>
<contactref element="S37" pad="2"/>
<contactref element="U$2" pad="GND"/>
<contactref element="JP12" pad="1"/>
<contactref element="J1" pad="SLEEVE"/>
</signal>
<signal name="N$25">
<contactref element="S37" pad="3"/>
<contactref element="S37" pad="4"/>
<contactref element="JP9" pad="1"/>
</signal>
<signal name="N$26">
<contactref element="C1" pad="-"/>
<contactref element="J1" pad="RING"/>
<contactref element="J1" pad="TIP"/>
</signal>
<signal name="N$27">
<contactref element="C1" pad="+"/>
<contactref element="JP10" pad="1"/>
</signal>
<signal name="N$29">
<contactref element="JP11" pad="1"/>
<contactref element="U$2" pad="VIN"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
