<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="6.5.0">
<drawing>
<board>
<plain>
<text>Ekho Mobile Rev. b4L
Clemson Univ.
01/2015
</text>
<wire x1="0" y1="0" x2="17.8" y2="0" width="0" layer="20"/>
<wire x1="17.8" y1="0" x2="17.8" y2="36.3" width="0" layer="20"/>
<wire x1="17.8" y1="36.3" x2="0" y2="36.3" width="0" layer="20"/>
<wire x1="0" y1="36.3" x2="-4.1" y2="33.3" width="0" layer="20"/>
<wire x1="-4.1" y1="33.3" x2="-4" y2="18" width="0" layer="20"/>
<wire x1="-4" y1="18" x2="0" y2="15" width="0" layer="20"/>
<wire x1="0" y1="15" x2="0" y2="0" width="0" layer="20"/>
<text>VCC</text>
<text>GND</text>
<text>!CS_CS</text>
<text>CS_ADC</text>
<text>CD</text>
<text>!CS_VS</text>
<text>SCL</text>
<text>SDA</text>
<text>MOSI</text>
<text>MISO</text>
<text>SCK</text>
<text>!SHDN_P</text>
<text>SD_ENABLE</text>
<text>CS_SD</text>
<text>VS_ADC</text>
<text>GND</text>
<text>H+</text>
<text>H+</text>
<text>GND</text>
<text>BATT+</text>
<text>BATT+</text>
</plain>
<libraries>
<library name="ekho">
<packages>
<package name="SOT23-5">
<description>&lt;b&gt;Small Outline Transistor&lt;/b&gt;, 5 lead</description>
</package>
<package name="10µMAX">
</package>
<package name="TSSOP16">
<description>&lt;b&gt;16-Lead Thin Shrink Small Outline Package&lt;/b&gt; [TSSOP] (RU-16)&lt;p&gt;
Source: 8x ADG1408_1409.pdf</description>
</package>
</packages>
</library>
<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>
</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="0603">
</package>
</packages>
</library>
<library name="SparkFun-Connectors">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
In this library you'll find connectors and sockets- basically anything that can be plugged into or onto.&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="1X03">
</package>
</packages>
</library>
<library name="Teensy3.0">
<packages>
<package name="TEENSY_3.0_NO_SCRN">
</package>
</packages>
</library>
<library name="microSD">
<packages>
<package name="MICRO-SD-SOCKET-PP">
</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>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="R5" library="SparkFun-Passives" package="0805" value="10Ω">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="L3" library="SparkFun-Passives" package="0603" value="250kΩ@100MHz">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C7" library="SparkFun-Capacitors" package="0805" value="0.01µF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C8" library="SparkFun-Capacitors" package="0805" value="1µF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="JP1" library="SparkFun-Connectors" package="1X03" value="M02PTH">
<attribute name="VALUE"/>
</element>
<element name="U4" library="Teensy3.0" package="TEENSY_3.0_NO_SCRN" value="TEENSY_3.0_NO_SCRN">
<attribute name="VALUE"/>
</element>
<element name="C4" library="SparkFun-Capacitors" package="0805" value="10uF">
<attribute name="PROD_ID" value="CAP-11625"/>
</element>
<element name="C6" library="SparkFun-Capacitors" package="0805" value="22uF">
<attribute name="PROD_ID" value="CAP-11625"/>
</element>
<element name="R1" library="SparkFun-Passives" package="0805" value="1"/>
<element name="U6" library="ekho" package="SOT23-5" value="AP2112K-3.3TRG1">
<attribute name="VALUE"/>
</element>
<element name="U9" library="microSD" package="MICRO-SD-SOCKET-PP" value="USD-SOCKETSMD">
<attribute name="VALUE"/>
</element>
<element name="U1" library="ekho" package="10µMAX" value="MAX9939"/>
<element name="C1" library="SparkFun-Capacitors" package="0805" value="0.1µF"/>
<element name="C2" library="SparkFun-Capacitors" package="0805" value="1.0µF"/>
<element name="R2" library="SparkFun-Resistors" package="0805" value="60k"/>
<element name="R3" library="SparkFun-Resistors" package="0805" value="10k"/>
<element name="U2" library="ekho" package="10µMAX" value="MAX9939"/>
<element name="C3" library="SparkFun-Capacitors" package="0805" value="0.1µF"/>
<element name="C5" library="SparkFun-Capacitors" package="0805" value="1.0µF"/>
<element name="U5" library="ekho" package="TSSOP16" value="AD5242">
<attribute name="VALUE"/>
</element>
<element name="R4" library="SparkFun-Resistors" package="0805" value="120"/>
<element name="R6" library="SparkFun-Resistors" package="0805" value="20k"/>
<element name="R7" library="SparkFun-Resistors" package="0805" value="20k"/>
</elements>
<signals>
<signal name="GND">
<contactref element="C7" pad="2"/>
<contactref element="C8" pad="2"/>
<contactref element="JP1" pad="1"/>
<contactref element="U4" pad="GND"/>
<contactref element="U4" pad="GND"/>
<contactref element="U4" pad="AGND"/>
<contactref element="U9" pad="GND1"/>
<contactref element="U9" pad="GND2"/>
<contactref element="U9" pad="6"/>
<contactref element="C6" pad="2"/>
<contactref element="C4" pad="2"/>
<contactref element="U1" pad="3"/>
<contactref element="C1" pad="2"/>
<contactref element="C2" pad="2"/>
<contactref element="R3" pad="2"/>
<contactref element="U2" pad="3"/>
<contactref element="C3" pad="2"/>
<contactref element="C5" pad="2"/>
<contactref element="U2" pad="4"/>
<contactref element="U5" pad="11"/>
<contactref element="U5" pad="12"/>
<contactref element="R4" pad="2"/>
<contactref element="U5" pad="9"/>
<contactref element="U5" pad="10"/>
<contactref element="U6" pad="2"/>
</signal>
<signal name="BATT+">
<contactref element="C4" pad="1"/>
<contactref element="U6" pad="1"/>
<contactref element="U6" pad="3"/>
<contactref element="JP1" pad="2"/>
</signal>
<signal name="N$12">
<contactref element="L3" pad="1"/>
<contactref element="C7" pad="1"/>
<contactref element="R1" pad="1"/>
</signal>
<signal name="HARVESTER_IN">
<contactref element="R5" pad="1"/>
<contactref element="JP1" pad="3"/>
<contactref element="U1" pad="4"/>
</signal>
<signal name="LOAD_V+">
<contactref element="R5" pad="2"/>
<contactref element="R2" pad="1"/>
<contactref element="U5" pad="3"/>
<contactref element="U1" pad="5"/>
</signal>
<signal name="CS_ADC">
<contactref element="U1" pad="8"/>
<contactref element="U4" pad="22/A8"/>
</signal>
<signal name="VS_ADC">
<contactref element="U4" pad="17/A3"/>
<contactref element="U2" pad="8"/>
</signal>
<signal name="VBAT">
</signal>
<signal name="SCK">
<contactref element="U4" pad="13"/>
<contactref element="U9" pad="5"/>
<contactref element="U2" pad="1"/>
<contactref element="U1" pad="1"/>
</signal>
<signal name="MOSI">
<contactref element="U4" pad="11"/>
<contactref element="U9" pad="3"/>
<contactref element="U1" pad="2"/>
<contactref element="U2" pad="2"/>
</signal>
<signal name="MISO">
<contactref element="U4" pad="12"/>
<contactref element="U9" pad="7"/>
</signal>
<signal name="CS_SD">
<contactref element="U9" pad="2"/>
<contactref element="U4" pad="6"/>
</signal>
<signal name="CD">
<contactref element="U9" pad="CD2"/>
<contactref element="U4" pad="21/A7"/>
</signal>
<signal name="N$2">
<contactref element="U6" pad="5"/>
<contactref element="C6" pad="1"/>
<contactref element="R1" pad="2"/>
</signal>
<signal name="VCC">
<contactref element="L3" pad="2"/>
<contactref element="C8" pad="1"/>
<contactref element="U4" pad="3.3V"/>
<contactref element="C2" pad="1"/>
<contactref element="U1" pad="9"/>
<contactref element="C1" pad="1"/>
<contactref element="C5" pad="1"/>
<contactref element="U2" pad="9"/>
<contactref element="C3" pad="1"/>
<contactref element="U5" pad="5"/>
<contactref element="R7" pad="2"/>
<contactref element="R6" pad="2"/>
<contactref element="U9" pad="4"/>
</signal>
<signal name="!CS_CSAMP">
<contactref element="U1" pad="10"/>
<contactref element="U4" pad="23/A9"/>
</signal>
<signal name="N$1">
<contactref element="R2" pad="2"/>
<contactref element="R3" pad="1"/>
<contactref element="U2" pad="5"/>
</signal>
<signal name="VIN">
<contactref element="U4" pad="VIN"/>
</signal>
<signal name="!CS_VSAMP">
<contactref element="U2" pad="10"/>
<contactref element="U4" pad="20/A6"/>
</signal>
<signal name="N$3">
<contactref element="R4" pad="1"/>
<contactref element="U5" pad="14"/>
</signal>
<signal name="N$4">
<contactref element="U5" pad="15"/>
<contactref element="U5" pad="4"/>
</signal>
<signal name="!SHDN_P">
<contactref element="U5" pad="6"/>
<contactref element="U4" pad="10"/>
</signal>
<signal name="SDA">
<contactref element="U4" pad="18/A4"/>
<contactref element="U5" pad="8"/>
<contactref element="R6" pad="1"/>
</signal>
<signal name="SCL">
<contactref element="U4" pad="19/A5"/>
<contactref element="U5" pad="7"/>
<contactref element="R7" pad="1"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
