<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="9.6.2">
<drawing>
<board>
<plain>
<wire x1="59.67" y1="0" x2="59.67" y2="38.08" width="0" layer="20"/>
<wire x1="59.69" y1="22.86" x2="59.69" y2="38.1" width="0" layer="20"/>
<wire x1="59.69" y1="38.1" x2="0" y2="38.1" width="0" layer="20"/>
<wire x1="0" y1="38.1" x2="0" y2="0" width="0" layer="20"/>
<hole x="57.15" y="4.445" drill="1.9304"/>
<hole x="54.1782" y="4.445" drill="1.9304"/>
<wire x1="0" y1="0" x2="59.67" y2="0" width="0" layer="20"/>
<text>Geppetto Electronics

TOSLINK DAC
v1.1.2</text>
<text>R</text>
<text>L</text>
</plain>
<libraries>
<library name="SparkFun-Capacitors">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
In this library you'll find resistors, capacitors, inductors, test points, jumper pads, 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 the end user's responsibility to ensure correctness and suitablity for a given componet or application. If you enjoy using this library, please buy one of our products at www.sparkfun.com.
&lt;br&gt;&lt;br&gt;
&lt;b&gt;Licensing:&lt;/b&gt; CC v3.0 Share-Alike 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="0805">
</package>
<package name="EIA3528">
</package>
</packages>
</library>
<library name="SparkFun-DiscreteSemi">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
In this library you'll find discrete semiconductors- transistors, diodes, TRIACs, optoisolators, 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 the end user's responsibility to ensure correctness and suitablity for a given componet or application. If you enjoy using this library, please buy one of our products at www.sparkfun.com.
&lt;br&gt;&lt;br&gt;
&lt;b&gt;Licensing:&lt;/b&gt; CC v3.0 Share-Alike 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="SMA-DIODE">
<description>&lt;B&gt;Diode&lt;/B&gt;&lt;p&gt;
Basic SMA packaged diode. Good for reverse polarization protection. Common part #: MBRA140</description>
</package>
</packages>
</library>
<library name="AD849x">
<packages>
<package name="TSSOP-28">
<description>&lt;b&gt;28-Lead TSSOP Package&lt;/b&gt;&lt;p&gt;
RU-28</description>
</package>
</packages>
</library>
<library name="toshiba">
<description>TOSHIBA fiber optic devices</description>
<packages>
<package name="PLR135/T10">
</package>
</packages>
</library>
<library name="SparkFun-Resistors">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
In this library you'll find resistors, capacitors, inductors, test points, jumper pads, 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 the end user's responsibility to ensure correctness and suitablity for a given componet or application. If you enjoy using this library, please buy one of our products at www.sparkfun.com.
&lt;br&gt;&lt;br&gt;
&lt;b&gt;Licensing:&lt;/b&gt; CC v3.0 Share-Alike 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="0805">
</package>
</packages>
</library>
<library name="SparkFun-PowerIC">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
In this library you'll find drivers, regulators, and amplifiers.&lt;br&gt;&lt;br&gt;
We've spent an enormous amount of time creating and checking these footprints and parts, but it is the end user's responsibility to ensure correctness and suitablity for a given componet or application. If you enjoy using this library, please buy one of our products at www.sparkfun.com.
&lt;br&gt;&lt;br&gt;
&lt;b&gt;Licensing:&lt;/b&gt; CC v3.0 Share-Alike 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="SOT23-5">
<description>&lt;b&gt;Small Outline Transistor&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="adafruit">
<packages>
<package name="CHIPLED_0805">
<description>&lt;b&gt;CHIPLED&lt;/b&gt;&lt;p&gt;
Source: http://www.osram.convergy.de/ ... LG_R971.pdf</description>
</package>
</packages>
</library>
<library name="SparkFun-Passives">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
In this library you'll find resistors, capacitors, inductors, test points, jumper pads, 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 the end user's responsibility to ensure correctness and suitablity for a given componet or application. If you enjoy using this library, please buy one of our products at www.sparkfun.com.
&lt;br&gt;&lt;br&gt;
&lt;b&gt;Licensing:&lt;/b&gt; CC v3.0 Share-Alike 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="0805">
</package>
<package name="2PT_GND_TIE">
</package>
</packages>
</library>
<library name="USBC">
<packages>
<package name="UJC-HP-3">
</package>
</packages>
</library>
<library name="burr-brown">
<description>&lt;b&gt;Burr-Brown Components&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="SSOP28BU">
<description>&lt;b&gt;Small Shrink Outline Package&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="burr-brown">
<description>&lt;b&gt;Burr-Brown Components&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="SO08">
<description>&lt;b&gt;Small Outline Package&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="AP2331">
<packages>
<package name="SOT23-6">
</package>
</packages>
</library>
<library name="RCJ-012">
<packages>
<package name="CUI_RCJ-012">
<description>&lt;b&gt;DC POWER JACK&lt;/b&gt;&lt;p&gt;
Source: DCJ0202.pdf</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="C1" library="SparkFun-Capacitors" package="0805" value="0.1µF">
<attribute name="NAME"/>
</element>
<element name="C14" library="SparkFun-Capacitors" package="0805" value="1µF">
<attribute name="NAME"/>
</element>
<element name="C15" library="SparkFun-Capacitors" package="0805" value="1µF">
<attribute name="NAME"/>
</element>
<element name="C4" library="SparkFun-Capacitors" package="0805" value="0.068µF">
<attribute name="NAME"/>
</element>
<element name="C5" library="SparkFun-Capacitors" package="0805" value="4700pF">
<attribute name="NAME"/>
</element>
<element name="C6" library="SparkFun-Capacitors" package="0805" value="0.1µF">
<attribute name="NAME"/>
</element>
<element name="C7" library="SparkFun-Capacitors" package="0805" value="0.1µF">
<attribute name="NAME"/>
</element>
<element name="D1" library="SparkFun-DiscreteSemi" package="SMA-DIODE" value="5V TVS">
<attribute name="NAME"/>
</element>
<element name="J1" library="toshiba" package="PLR135/T10" value="PLR237/T10BK">
<attribute name="NAME"/>
</element>
<element name="R1" library="SparkFun-Resistors" package="0805" value="680Ω">
<attribute name="NAME"/>
</element>
<element name="IC3" library="SparkFun-PowerIC" package="SOT23-5" value="V_REG_LDOSMD">
<attribute name="NAME"/>
</element>
<element name="L2" library="SparkFun-Passives" package="0805" value="47µH">
<attribute name="NAME"/>
</element>
<element name="LED1" library="adafruit" package="CHIPLED_0805" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R10" library="SparkFun-Resistors" package="0805" value="330Ω">
<attribute name="NAME"/>
</element>
<element name="J3" library="USBC" package="UJC-HP-3" value="UJC-HP-3">
<attribute name="NAME"/>
</element>
<element name="R8" library="SparkFun-Resistors" package="0805" value="5.1kΩ">
<attribute name="NAME"/>
</element>
<element name="R9" library="SparkFun-Resistors" package="0805" value="5.1kΩ">
<attribute name="NAME"/>
</element>
<element name="R11" library="SparkFun-Resistors" package="0805" value="1MΩ">
<attribute name="NAME"/>
</element>
<element name="C16" library="SparkFun-Capacitors" package="0805" value="6800pF">
<attribute name="NAME"/>
</element>
<element name="IC1" library="AD849x" package="TSSOP-28" value="DIR9001">
<attribute name="NAME"/>
</element>
<element name="C2" library="SparkFun-Capacitors" package="0805" value="10µF">
<attribute name="NAME"/>
</element>
<element name="C3" library="SparkFun-Capacitors" package="0805" value="10µF">
<attribute name="NAME"/>
</element>
<element name="L1" library="SparkFun-Passives" package="0805" value="400Ω">
<attribute name="NAME"/>
</element>
<element name="C17" library="SparkFun-Capacitors" package="EIA3528" value="47µF">
<attribute name="NAME"/>
</element>
<element name="IC2" library="burr-brown" package="SSOP28BU" value="PCM1793">
<attribute name="MF" value="TEXAS INSTRUMENT CONNECTORS"/>
<attribute name="MPN" value="PCM1793DBR"/>
<attribute name="NAME"/>
<attribute name="OC_FARNELL" value="1408322"/>
<attribute name="OC_NEWARK" value="61H5174"/>
<attribute name="POPULARITY" value="0"/>
</element>
<element name="L3" library="SparkFun-Passives" package="0805" value="400Ω">
<attribute name="NAME"/>
</element>
<element name="C8" library="SparkFun-Capacitors" package="0805" value="10µF">
<attribute name="NAME"/>
</element>
<element name="C9" library="SparkFun-Capacitors" package="0805" value="0.1µF">
<attribute name="NAME"/>
</element>
<element name="PT1" library="SparkFun-Passives" package="2PT_GND_TIE" value="2PT_GND_TIE"/>
<element name="L4" library="SparkFun-Passives" package="0805" value="400Ω">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C10" library="SparkFun-Capacitors" package="0805" value="0.1µF">
<attribute name="NAME"/>
</element>
<element name="C11" library="SparkFun-Capacitors" package="0805" value="10µF">
<attribute name="NAME"/>
</element>
<element name="R2" library="SparkFun-Resistors" package="0805" value="3.3kΩ">
<attribute name="NAME"/>
</element>
<element name="R3" library="SparkFun-Resistors" package="0805" value="680Ω">
<attribute name="NAME"/>
</element>
<element name="R4" library="SparkFun-Resistors" package="0805" value="680Ω">
<attribute name="NAME"/>
</element>
<element name="R5" library="SparkFun-Resistors" package="0805" value="3.3kΩ">
<attribute name="NAME"/>
</element>
<element name="R6" library="SparkFun-Resistors" package="0805" value="1.8kΩ">
<attribute name="NAME"/>
</element>
<element name="R7" library="SparkFun-Resistors" package="0805" value="1.8kΩ">
<attribute name="NAME"/>
</element>
<element name="C12" library="SparkFun-Capacitors" package="0805" value="560pF">
<attribute name="NAME"/>
</element>
<element name="C13" library="SparkFun-Capacitors" package="0805" value="1800pF">
<attribute name="NAME"/>
</element>
<element name="C18" library="SparkFun-Capacitors" package="0805" value="560pF">
<attribute name="NAME"/>
</element>
<element name="C19" library="SparkFun-Capacitors" package="0805" value="1µF">
<attribute name="NAME"/>
</element>
<element name="C20" library="SparkFun-Capacitors" package="0805" value="560pF">
<attribute name="NAME"/>
</element>
<element name="R12" library="SparkFun-Resistors" package="0805" value="3.3kΩ">
<attribute name="NAME"/>
</element>
<element name="R13" library="SparkFun-Resistors" package="0805" value="680Ω">
<attribute name="NAME"/>
</element>
<element name="R14" library="SparkFun-Resistors" package="0805" value="680Ω">
<attribute name="NAME"/>
</element>
<element name="C21" library="SparkFun-Capacitors" package="0805" value="560pF">
<attribute name="NAME"/>
</element>
<element name="R15" library="SparkFun-Resistors" package="0805" value="3.3kΩ">
<attribute name="NAME"/>
</element>
<element name="C22" library="SparkFun-Capacitors" package="0805" value="1800pF">
<attribute name="NAME"/>
</element>
<element name="R16" library="SparkFun-Resistors" package="0805" value="1.8kΩ">
<attribute name="NAME"/>
</element>
<element name="R17" library="SparkFun-Resistors" package="0805" value="1.8kΩ">
<attribute name="NAME"/>
</element>
<element name="IC4" library="burr-brown" package="SO08" value="OPA2134U">
<attribute name="MF" value="TEXAS INSTRUMENTS"/>
<attribute name="MPN" value="OPA2134UA"/>
<attribute name="NAME"/>
<attribute name="OC_FARNELL" value="1206935"/>
<attribute name="OC_NEWARK" value="35C1847"/>
<attribute name="POPULARITY" value="0"/>
</element>
<element name="C23" library="SparkFun-Capacitors" package="0805" value="1µF">
<attribute name="NAME"/>
</element>
<element name="C24" library="SparkFun-Capacitors" package="0805" value="1µF">
<attribute name="NAME"/>
</element>
<element name="IC5" library="AP2331" package="SOT23-6" value="MAX1721EUTG">
<attribute name="NAME"/>
</element>
<element name="C25" library="SparkFun-Capacitors" package="0805" value="10µF">
<attribute name="NAME"/>
</element>
<element name="C26" library="SparkFun-Capacitors" package="0805" value="10µF">
<attribute name="NAME"/>
</element>
<element name="L5" library="SparkFun-Passives" package="0805" value="400Ω">
<attribute name="NAME"/>
</element>
<element name="C27" library="SparkFun-Capacitors" package="0805" value="10µF">
<attribute name="NAME"/>
</element>
<element name="J2" library="RCJ-012" package="CUI_RCJ-012" value="LEFT">
<attribute name="MANUFACTURER" value="CUI Inc"/>
<attribute name="NAME"/>
<attribute name="PART_REV" value="B"/>
<attribute name="STANDARD" value="Manufacturer recommendations"/>
<attribute name="VALUE"/>
</element>
<element name="J4" library="RCJ-012" package="CUI_RCJ-012" value="RIGHT">
<attribute name="MANUFACTURER" value="CUI Inc"/>
<attribute name="NAME"/>
<attribute name="PART_REV" value="B"/>
<attribute name="STANDARD" value="Manufacturer recommendations"/>
<attribute name="VALUE"/>
</element>
</elements>
<signals>
<signal name="+5V">
<contactref element="IC3" pad="3"/>
<contactref element="IC3" pad="1"/>
<contactref element="C14" pad="2"/>
<contactref element="L1" pad="2"/>
<contactref element="C17" pad="A"/>
<contactref element="L4" pad="1"/>
<contactref element="IC5" pad="2"/>
<contactref element="IC5" pad="5"/>
<contactref element="C27" pad="1"/>
</signal>
<signal name="GND">
<contactref element="J1" pad="P$2"/>
<contactref element="C1" pad="2"/>
<contactref element="R1" pad="1"/>
<contactref element="C5" pad="2"/>
<contactref element="C6" pad="1"/>
<contactref element="C7" pad="2"/>
<contactref element="IC3" pad="2"/>
<contactref element="C14" pad="1"/>
<contactref element="C15" pad="1"/>
<contactref element="LED1" pad="C"/>
<contactref element="J3" pad="A12"/>
<contactref element="J3" pad="B12"/>
<contactref element="D1" pad="A"/>
<contactref element="R8" pad="1"/>
<contactref element="R11" pad="2"/>
<contactref element="C16" pad="1"/>
<contactref element="R9" pad="1"/>
<contactref element="IC1" pad="28"/>
<contactref element="IC1" pad="8"/>
<contactref element="IC1" pad="23"/>
<contactref element="IC1" pad="19"/>
<contactref element="IC1" pad="6"/>
<contactref element="IC1" pad="14"/>
<contactref element="C2" pad="1"/>
<contactref element="C3" pad="2"/>
<contactref element="C17" pad="C"/>
<contactref element="PT1" pad="P$1"/>
<contactref element="IC5" pad="4"/>
<contactref element="C27" pad="2"/>
<contactref element="C26" pad="1"/>
</signal>
<signal name="N$3">
<contactref element="J1" pad="P$3"/>
<contactref element="IC1" pad="20"/>
</signal>
<signal name="+3V3">
<contactref element="C7" pad="1"/>
<contactref element="C6" pad="2"/>
<contactref element="IC3" pad="5"/>
<contactref element="C15" pad="2"/>
<contactref element="L2" pad="1"/>
<contactref element="IC1" pad="26"/>
<contactref element="IC1" pad="25"/>
<contactref element="IC1" pad="24"/>
<contactref element="IC1" pad="5"/>
<contactref element="C2" pad="2"/>
<contactref element="C3" pad="1"/>
<contactref element="L3" pad="1"/>
<contactref element="IC1" pad="13"/>
</signal>
<signal name="N$8">
<contactref element="C4" pad="1"/>
<contactref element="C5" pad="1"/>
<contactref element="IC1" pad="22"/>
</signal>
<signal name="N$10">
<contactref element="R1" pad="2"/>
<contactref element="C4" pad="2"/>
</signal>
<signal name="N$16">
<contactref element="J1" pad="P$1"/>
<contactref element="C1" pad="1"/>
<contactref element="L2" pad="2"/>
</signal>
<signal name="N$25">
<contactref element="R10" pad="1"/>
<contactref element="LED1" pad="A"/>
</signal>
<signal name="N$18">
<contactref element="J3" pad="A5"/>
<contactref element="R8" pad="2"/>
</signal>
<signal name="N$19">
<contactref element="C16" pad="2"/>
<contactref element="R11" pad="1"/>
<contactref element="J3" pad="P$2"/>
<contactref element="J3" pad="P$1"/>
<contactref element="J3" pad="P$3"/>
<contactref element="J3" pad="P$4"/>
</signal>
<signal name="N$20">
<contactref element="R9" pad="2"/>
<contactref element="J3" pad="B5"/>
</signal>
<signal name="ERR">
<contactref element="IC1" pad="27"/>
<contactref element="R10" pad="2"/>
<contactref element="IC2" pad="4"/>
</signal>
<signal name="N$1">
<contactref element="J3" pad="A9"/>
<contactref element="J3" pad="B9"/>
<contactref element="D1" pad="C"/>
<contactref element="L1" pad="1"/>
</signal>
<signal name="SCK">
<contactref element="IC1" pad="4"/>
<contactref element="IC2" pad="5"/>
</signal>
<signal name="DATA">
<contactref element="IC2" pad="3"/>
<contactref element="IC1" pad="12"/>
</signal>
<signal name="BCK">
<contactref element="IC2" pad="2"/>
<contactref element="IC1" pad="11"/>
</signal>
<signal name="LRCK">
<contactref element="IC2" pad="1"/>
<contactref element="IC1" pad="10"/>
</signal>
<signal name="EMPH">
<contactref element="IC1" pad="17"/>
<contactref element="IC2" pad="25"/>
</signal>
<signal name="N$4">
<contactref element="C8" pad="1"/>
<contactref element="C9" pad="1"/>
<contactref element="IC2" pad="7"/>
<contactref element="IC2" pad="6"/>
<contactref element="L3" pad="2"/>
<contactref element="IC2" pad="28"/>
<contactref element="IC2" pad="26"/>
</signal>
<signal name="N$2">
<contactref element="IC2" pad="10"/>
<contactref element="IC2" pad="15"/>
<contactref element="IC2" pad="21"/>
<contactref element="IC2" pad="20"/>
<contactref element="L4" pad="2"/>
<contactref element="C10" pad="1"/>
<contactref element="C11" pad="1"/>
<contactref element="IC4" pad="8"/>
<contactref element="C23" pad="1"/>
</signal>
<signal name="AGND">
<contactref element="IC2" pad="16"/>
<contactref element="IC2" pad="11"/>
<contactref element="IC2" pad="19"/>
<contactref element="IC2" pad="9"/>
<contactref element="PT1" pad="P$2"/>
<contactref element="C10" pad="2"/>
<contactref element="C11" pad="2"/>
<contactref element="R5" pad="1"/>
<contactref element="C18" pad="2"/>
<contactref element="C21" pad="2"/>
<contactref element="R15" pad="1"/>
<contactref element="C23" pad="2"/>
<contactref element="C19" pad="2"/>
<contactref element="IC2" pad="8"/>
<contactref element="IC2" pad="24"/>
<contactref element="IC2" pad="27"/>
<contactref element="C9" pad="2"/>
<contactref element="C8" pad="2"/>
<contactref element="C24" pad="2"/>
<contactref element="J2" pad="1A"/>
<contactref element="J2" pad="1B"/>
<contactref element="J2" pad="1C"/>
<contactref element="J4" pad="1A"/>
<contactref element="J4" pad="1B"/>
<contactref element="J4" pad="1C"/>
</signal>
<signal name="N$5">
<contactref element="C20" pad="2"/>
<contactref element="R12" pad="2"/>
<contactref element="IC4" pad="1"/>
<contactref element="J4" pad="2"/>
</signal>
<signal name="N$6">
<contactref element="C12" pad="2"/>
<contactref element="R2" pad="2"/>
<contactref element="IC4" pad="7"/>
<contactref element="J2" pad="2"/>
</signal>
<signal name="N$9">
<contactref element="C12" pad="1"/>
<contactref element="R3" pad="2"/>
<contactref element="IC4" pad="6"/>
</signal>
<signal name="N$7">
<contactref element="R3" pad="1"/>
<contactref element="R2" pad="1"/>
<contactref element="R6" pad="2"/>
<contactref element="C13" pad="1"/>
</signal>
<signal name="N$11">
<contactref element="R7" pad="1"/>
<contactref element="IC2" pad="17"/>
</signal>
<signal name="N$12">
<contactref element="R6" pad="1"/>
<contactref element="IC2" pad="18"/>
</signal>
<signal name="N$13">
<contactref element="R7" pad="2"/>
<contactref element="R4" pad="1"/>
<contactref element="R5" pad="2"/>
<contactref element="C13" pad="2"/>
</signal>
<signal name="N$15">
<contactref element="R4" pad="2"/>
<contactref element="C18" pad="1"/>
<contactref element="IC4" pad="5"/>
</signal>
<signal name="N$14">
<contactref element="C20" pad="1"/>
<contactref element="R13" pad="2"/>
<contactref element="IC4" pad="2"/>
</signal>
<signal name="N$17">
<contactref element="R14" pad="2"/>
<contactref element="C21" pad="1"/>
<contactref element="IC4" pad="3"/>
</signal>
<signal name="N$23">
<contactref element="R15" pad="2"/>
<contactref element="R14" pad="1"/>
<contactref element="C22" pad="2"/>
<contactref element="R16" pad="2"/>
</signal>
<signal name="N$24">
<contactref element="R17" pad="2"/>
<contactref element="R13" pad="1"/>
<contactref element="C22" pad="1"/>
<contactref element="R12" pad="1"/>
</signal>
<signal name="N$29">
<contactref element="IC2" pad="12"/>
<contactref element="R17" pad="1"/>
</signal>
<signal name="N$30">
<contactref element="R16" pad="1"/>
<contactref element="IC2" pad="13"/>
</signal>
<signal name="N$21">
<contactref element="IC2" pad="14"/>
<contactref element="C19" pad="1"/>
</signal>
<signal name="N$22">
<contactref element="IC5" pad="6"/>
<contactref element="C25" pad="1"/>
</signal>
<signal name="N$26">
<contactref element="IC5" pad="3"/>
<contactref element="C25" pad="2"/>
</signal>
<signal name="N$28">
<contactref element="IC4" pad="4"/>
<contactref element="C24" pad="1"/>
<contactref element="L5" pad="2"/>
</signal>
<signal name="-5V">
<contactref element="L5" pad="1"/>
<contactref element="IC5" pad="1"/>
<contactref element="C26" pad="2"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
