<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="6.4">
<drawing>
<board>
<plain>
<wire x1="13.9793" y1="21.072" x2="13.9793" y2="2.54" width="0" layer="20"/>
<wire x1="58.674" y1="2.54" x2="58.674" y2="21.072" width="0" layer="20"/>
<wire x1="59.6807" y1="20.574" x2="12.8937" y2="20.574" width="0" layer="20"/>
<text>+</text>
<text>+</text>
<wire x1="13.9793" y1="2.54" x2="21.59" y2="2.54" width="0" layer="20"/>
<text>+</text>
<text>+</text>
<wire x1="21.59" y1="2.54" x2="58.674" y2="2.54" width="0" layer="20"/>
<text>*</text>
<wire x1="21.59" y1="8.89" x2="20.32" y2="10.16" width="0.6096" layer="20"/>
<wire x1="21.59" y1="8.89" x2="21.59" y2="2.54" width="0.6096" layer="20"/>
<text>+</text>
<text>Black Ice Warning</text>
<text>18/12/2016</text>
<text>AREF</text>
</plain>
<libraries>
<library name="atmel">
<packages>
<package name="DIL28-3">
<description>&lt;B&gt;Dual In Line&lt;/B&gt; 0.3 inch</description>
</package>
</packages>
</library>
<library name="SparkFun">
<packages>
<package name="RESONATOR-SMD">
</package>
</packages>
</library>
<library name="rcl">
<packages>
<package name="C0603">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="crystal">
<description>&lt;b&gt;Crystals and Crystal Resonators&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="ASE">
<description>&lt;b&gt;3.3Vdc CMOS SMD CRYSTAL CLOCK OSCILLATOR&lt;/b&gt; ASE Series&lt;p&gt;
Source: www.abracon.com</description>
</package>
</packages>
</library>
<library name="linear">
<description>&lt;b&gt;Linear Devices&lt;/b&gt;&lt;p&gt;
Operational amplifiers,  comparators, voltage regulators, ADCs, DACs, etc.&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="DPACK_3">
<description>&lt;b&gt;DPAK&lt;/b&gt;&lt;p&gt;Style 3 (Motorola)</description>
</package>
</packages>
</library>
<library name="adafruit">
<packages>
<package name="M0805">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
MELF 0.10 W</description>
</package>
<package name="JST-PH-2-THM">
<description>4UCon #01528
http://www.4uconnector.com/online/object/4udrawing/01528.pdf</description>
</package>
<package name="B/3528-21R">
<description>&lt;b&gt;Chip Capacitor Type KEMET B / EIA 3528-21 Reflow solder&lt;/b&gt;&lt;p&gt;
KEMET T / EIA 3528-12</description>
</package>
<package name="C1206">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;&lt;p&gt;
chip</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="bt">
<description>&lt;b&gt;Miscellaneous parts&lt;/b&gt;

&lt;p&gt;Created by Michael Shimniok &lt;a href="http://www.bot-thoughts.com/"&gt;www.bot-thoughts.com&lt;/a&gt;&lt;/b&gt;</description>
<packages>
<package name="PTC-1812">
</package>
</packages>
</library>
<library name="diode">
<description>&lt;b&gt;Diodes&lt;/b&gt;&lt;p&gt;
Based on the following sources:
&lt;ul&gt;
&lt;li&gt;Motorola : www.onsemi.com
&lt;li&gt;Fairchild : www.fairchildsemi.com
&lt;li&gt;Philips : www.semiconductors.com
&lt;li&gt;Vishay : www.vishay.de
&lt;/ul&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="DO-214AC">
<description>&lt;b&gt;SURFACE MOUNT GENERAL RECTIFIER&lt;/b&gt; JEDEC DO-214AC molded platic body&lt;p&gt;
Method 2026&lt;br&gt;
Source: http://www.kingtronics.com/SMD_M7/M7_SMD_4007.pdf</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="IC1" library="atmel" package="DIL28-3" value="MEGA8-P"/>
<element name="U$1" library="SparkFun" package="RESONATOR-SMD" value="RESONATORSMD"/>
<element name="R1" library="adafruit" package="M0805" value="10k">
<attribute name="VALUE"/>
</element>
<element name="C4" library="rcl" package="C0603" value="0.1u"/>
<element name="C5" library="rcl" package="C0603" value="0.1u"/>
<element name="U$3" library="crystal" package="ASE" value="ASE">
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
</element>
<element name="IC3" library="linear" package="DPACK_3" value="MC78M05BDTRKG"/>
<element name="PWR" library="adafruit" package="JST-PH-2-THM" value="PWR">
<attribute name="NAME"/>
</element>
<element name="NTC" library="adafruit" package="JST-PH-2-THM" value="">
<attribute name="NAME"/>
</element>
<element name="LED" library="adafruit" package="JST-PH-2-THM" value="">
<attribute name="NAME"/>
</element>
<element name="F1" library="bt" package="PTC-1812" value="PTC1812"/>
<element name="R2" library="adafruit" package="M0805" value="10k">
<attribute name="VALUE"/>
</element>
<element name="D1" library="diode" package="DO-214AC" value="">
<attribute name="VALUE"/>
</element>
<element name="R3" library="adafruit" package="M0805" value="1K">
<attribute name="VALUE"/>
</element>
<element name="C1" library="adafruit" package="B/3528-21R" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C2" library="adafruit" package="B/3528-21R" value="68UF">
<attribute name="VALUE"/>
</element>
<element name="C3" library="adafruit" package="C1206" value="0.1UF">
<attribute name="VALUE"/>
</element>
<element name="LED1" library="adafruit" package="LED3MM" value="">
<attribute name="VALUE"/>
</element>
<element name="R4" library="adafruit" package="M0805" value="1K"/>
</elements>
<signals>
<signal name="-LL">
<contactref element="U$1" pad="3"/>
<contactref element="IC1" pad="10"/>
<contactref element="C5" pad="1"/>
<contactref element="U$3" pad="1"/>
</signal>
<signal name="PD5">
<contactref element="IC1" pad="11"/>
</signal>
<signal name="PD6">
<contactref element="IC1" pad="12"/>
</signal>
<signal name="PD7">
<contactref element="IC1" pad="13"/>
</signal>
<signal name="PB0">
<contactref element="IC1" pad="14"/>
</signal>
<signal name="PD0">
<contactref element="IC1" pad="2"/>
</signal>
<signal name="PD1">
<contactref element="IC1" pad="3"/>
</signal>
<signal name="PD2">
<contactref element="IC1" pad="4"/>
</signal>
<signal name="PD3">
<contactref element="IC1" pad="5"/>
</signal>
<signal name="PD4">
<contactref element="IC1" pad="6"/>
</signal>
<signal name="PB1">
<contactref element="IC1" pad="15"/>
</signal>
<signal name="PB3">
<contactref element="IC1" pad="17"/>
</signal>
<signal name="PB4">
<contactref element="IC1" pad="18"/>
</signal>
<signal name="PB5">
<contactref element="IC1" pad="19"/>
<contactref element="LED" pad="1"/>
</signal>
<signal name="PC5">
<contactref element="IC1" pad="28"/>
</signal>
<signal name="PC4">
<contactref element="IC1" pad="27"/>
</signal>
<signal name="PC3">
<contactref element="IC1" pad="26"/>
</signal>
<signal name="PC2">
<contactref element="IC1" pad="25"/>
</signal>
<signal name="PC1">
<contactref element="IC1" pad="24"/>
</signal>
<signal name="PC0">
<contactref element="IC1" pad="23"/>
<contactref element="NTC" pad="1"/>
<contactref element="R2" pad="1"/>
</signal>
<signal name="V+">
<contactref element="IC1" pad="7"/>
<contactref element="IC1" pad="20"/>
<contactref element="R1" pad="2"/>
<contactref element="IC3" pad="3"/>
<contactref element="NTC" pad="2"/>
<contactref element="C2" pad="+"/>
<contactref element="C3" pad="1"/>
<contactref element="IC1" pad="21"/>
</signal>
<signal name="IU">
<contactref element="IC1" pad="1"/>
<contactref element="R1" pad="1"/>
</signal>
<signal name="VDD">
<contactref element="U$3" pad="4"/>
</signal>
<signal name="K">
<contactref element="C4" pad="2"/>
<contactref element="U$3" pad="3"/>
<contactref element="U$1" pad="1"/>
<contactref element="IC1" pad="9"/>
</signal>
<signal name="N$3">
<contactref element="IC3" pad="1"/>
<contactref element="F1" pad="P$2"/>
</signal>
<signal name="N$5">
<contactref element="LED" pad="2"/>
<contactref element="R3" pad="2"/>
</signal>
<signal name="GND">
<contactref element="U$1" pad="2"/>
<contactref element="IC1" pad="8"/>
<contactref element="IC1" pad="22"/>
<contactref element="R2" pad="2"/>
<contactref element="R3" pad="1"/>
<contactref element="U$3" pad="2"/>
<contactref element="IC3" pad="4"/>
<contactref element="PWR" pad="2"/>
<contactref element="C4" pad="1"/>
<contactref element="C5" pad="2"/>
<contactref element="C1" pad="-"/>
<contactref element="C2" pad="-"/>
<contactref element="C3" pad="2"/>
<contactref element="R4" pad="2"/>
</signal>
<signal name="N$6">
<contactref element="D1" pad="A"/>
<contactref element="PWR" pad="1"/>
</signal>
<signal name="N$1">
<contactref element="C1" pad="+"/>
<contactref element="D1" pad="C"/>
<contactref element="F1" pad="P$1"/>
</signal>
<signal name="N$2">
<contactref element="LED1" pad="K"/>
<contactref element="R4" pad="1"/>
</signal>
<signal name="D10">
<contactref element="LED1" pad="A"/>
<contactref element="IC1" pad="16"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
