<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="7.3.0">
<drawing>
<board>
<plain>
<wire x1="39.116" y1="53.34" x2="40.64" y2="51.816" width="0.3048" layer="20"/>
<wire x1="40.64" y1="1" x2="39.64" y2="0" width="0.3048" layer="20" curve="-90"/>
<wire x1="39.64" y1="0" x2="1" y2="0" width="0.3048" layer="20"/>
<wire x1="1" y1="0" x2="0" y2="1" width="0.3048" layer="20" curve="-90"/>
<wire x1="0" y1="1" x2="0" y2="52.34" width="0.3048" layer="20"/>
<wire x1="0" y1="52.34" x2="1" y2="53.34" width="0.3048" layer="20" curve="-90"/>
<wire x1="1" y1="53.34" x2="39.116" y2="53.34" width="0.3048" layer="20"/>
<wire x1="40.64" y1="51.816" x2="40.64" y2="1" width="0.3048" layer="20"/>
<text>5V</text>
<text>D:/SmartProjects/Snc/a4_bn_logo2.bmp</text>
<text>GND</text>
<text>ATTINY
85</text>
<text>ATTINY
84</text>
<text>CEREBRO
UTLITY
SHIELD
v1.2</text>
<text>CHARGE</text>
<text>FLASH</text>
</plain>
<libraries>
<library name="SmartPrj">
<packages>
<package name="1X06">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
<package name="1X08">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</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; 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="CPOL-RADIAL-10UF-25V">
</package>
</packages>
</library>
<library name="Andy-library">
<packages>
<package name="ZIF_22">
</package>
<package name="MICRO-B-TH">
<description>&lt;h3&gt;Micro B USB Plug Assembly - Straight Through-hole&lt;/h3&gt;
&lt;b&gt;**UNPROVEN**&lt;/b&gt;&lt;Br&gt;
See Digikey part #H11497-ND</description>
</package>
<package name="LED_DUAL">
</package>
<package name="0805">
</package>
<package name="USB_VERT_MICRO_SMD">
</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; 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="SOT23-5">
<description>&lt;b&gt;Small Outline Transistor&lt;/b&gt;</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; 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="0805">
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="IOL" library="SmartPrj" package="1X08" value="8x1F-H8.5"/>
<element name="AD" library="SmartPrj" package="1X06" value="6x1F-H8.5"/>
<element name="POWER" library="SmartPrj" package="1X08" value="8x1F-H8.5"/>
<element name="C1" library="SparkFun-Passives" package="CPOL-RADIAL-10UF-25V" value="10uF">
<attribute name="VALUE"/>
</element>
<element name="AD1" library="SmartPrj" package="1X06" value="6x1F-H8.5"/>
<element name="U$1" library="Andy-library" package="ZIF_22" value="ZIF_22"/>
<element name="JP1" library="Andy-library" package="MICRO-B-TH" value="USB_MICROB_PLUG-PTH2"/>
<element name="U2" library="SparkFun-PowerIC" package="SOT23-5" value="MCP73831">
<attribute name="PROD_ID" value="IC-09995"/>
<attribute name="VALUE"/>
</element>
<element name="U$2" library="Andy-library" package="LED_DUAL" value="LED_DUAL"/>
<element name="R1" library="Andy-library" package="0805" value="100">
<attribute name="VALUE"/>
</element>
<element name="R2" library="Andy-library" package="0805" value="100">
<attribute name="VALUE"/>
</element>
<element name="R3" library="Andy-library" package="0805" value="27k">
<attribute name="VALUE"/>
</element>
<element name="U$3" library="Andy-library" package="USB_VERT_MICRO_SMD" value="USB_SOCKET_MICRO_VERT"/>
<element name="C2" library="SparkFun-Capacitors" package="0805" value="4.7uF">
<attribute name="PROD_ID" value="CAP-11625"/>
<attribute name="VALUE"/>
</element>
<element name="C3" library="SparkFun-Capacitors" package="0805" value="4.7uF">
<attribute name="PROD_ID" value="CAP-11625"/>
<attribute name="VALUE"/>
</element>
</elements>
<signals>
<signal name="RST">
<contactref element="AD1" pad="3"/>
<contactref element="U$1" pad="4"/>
<contactref element="U$1" pad="12"/>
<contactref element="JP1" pad="3"/>
</signal>
<signal name="MOSI">
<contactref element="AD1" pad="4"/>
<contactref element="U$1" pad="7"/>
<contactref element="U$1" pad="8"/>
<contactref element="JP1" pad="5"/>
</signal>
<signal name="MISO">
<contactref element="AD1" pad="5"/>
<contactref element="U$1" pad="16"/>
<contactref element="U$1" pad="9"/>
<contactref element="JP1" pad="1"/>
</signal>
<signal name="SCK">
<contactref element="AD1" pad="6"/>
<contactref element="U$1" pad="17"/>
<contactref element="U$1" pad="10"/>
<contactref element="JP1" pad="2"/>
</signal>
<signal name="N$1">
<contactref element="POWER" pad="3"/>
<contactref element="C1" pad="1"/>
</signal>
<signal name="GND">
<contactref element="POWER" pad="7"/>
<contactref element="POWER" pad="6"/>
<contactref element="C1" pad="2"/>
<contactref element="U$1" pad="22"/>
<contactref element="U$1" pad="15"/>
<contactref element="JP1" pad="4"/>
<contactref element="JP1" pad="P$2"/>
<contactref element="JP1" pad="P$1"/>
<contactref element="U2" pad="2"/>
<contactref element="R3" pad="2"/>
<contactref element="U$3" pad="P4"/>
<contactref element="U$3" pad="P$2"/>
<contactref element="U$3" pad="P$3"/>
<contactref element="U$3" pad="P$1"/>
<contactref element="C2" pad="2"/>
<contactref element="C3" pad="2"/>
<contactref element="U$2" pad="GC"/>
</signal>
<signal name="5VDC">
<contactref element="POWER" pad="5"/>
<contactref element="U$1" pad="11"/>
<contactref element="C3" pad="1"/>
<contactref element="U2" pad="4"/>
<contactref element="U$2" pad="RA"/>
</signal>
<signal name="3VDC">
<contactref element="POWER" pad="4"/>
</signal>
<signal name="N$6">
<contactref element="R3" pad="1"/>
<contactref element="U2" pad="5"/>
</signal>
<signal name="N$9">
<contactref element="U$3" pad="P2"/>
<contactref element="U2" pad="3"/>
<contactref element="C2" pad="1"/>
</signal>
<signal name="N$3">
<contactref element="R2" pad="2"/>
<contactref element="R1" pad="2"/>
<contactref element="U2" pad="1"/>
</signal>
<signal name="N$4">
<contactref element="R1" pad="1"/>
<contactref element="U$2" pad="GA"/>
</signal>
<signal name="N$5">
<contactref element="U$2" pad="RC"/>
<contactref element="R2" pad="1"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
