<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="9.1.3">
<drawing>
<board>
<plain>
<text>PC3</text>
<text>PC4</text>
<text>PC5</text>
<text>PC6</text>
<text>PC7</text>
<text>PD4</text>
<text>PD5</text>
<wire x1="0" y1="40" x2="0" y2="1.5" width="0.1524" layer="20"/>
<text>PC2</text>
<text>PC1</text>
<text>PC0</text>
<text>PB3</text>
<text>PB2</text>
<text>PB1</text>
<text>PB0</text>
<text>PD6</text>
<text>PD7</text>
<text>+3V3 0.6A &gt;</text>
<text>+5V 1A &gt;</text>
<text>VCC &gt;</text>
<text>gitlab.cba.mit.edu/jakeread/atkbreadboardboard</text>
<text>PB: ANALOGLAND
PB0: ADC/AREF
PB1: ADC
PB2: ADC
PB3: ADC

PC: DIGIBOIS / PWM (TC &amp; AWEX)
PC0: SDA
PC1: SCL
PC2: UART RX
PC3: UART TX
PC4: SPI CS
PC5: SPI MOSI
PC6: SPI MISO / UART RX
PC7: SPI CLK / UART TX

PD: DIGIBOIS / PWM (TC)
PD4: SPI CS
PD5: SPI MOSI
PD6: SPI MISO / UART RX / USBDM
PD7: SPI CLK / UART TX / USBDP</text>
<text>VCC</text>
<text>5V</text>
<text>3V3</text>
<wire x1="17.5" y1="1.5" x2="17.5" y2="11.8" width="0.1524" layer="20"/>
<wire x1="17.5" y1="40.3" x2="17.5" y2="36.9" width="0.1524" layer="20"/>
<wire x1="17.5" y1="11.8" x2="17.5" y2="36.9" width="0.1524" layer="20"/>
<wire x1="0" y1="40" x2="0" y2="42.9" width="0.1524" layer="20"/>
<wire x1="0" y1="42.9" x2="17.5" y2="42.9" width="0.1524" layer="20"/>
<wire x1="17.5" y1="42.9" x2="17.5" y2="40.3" width="0.1524" layer="20"/>
<wire x1="17.5" y1="1.5" x2="17.5" y2="-1.7" width="0.1524" layer="20"/>
<wire x1="17.5" y1="-1.7" x2="0" y2="-1.7" width="0.1524" layer="20"/>
<wire x1="0" y1="-1.7" x2="0" y2="1.5" width="0.1524" layer="20"/>
</plain>
<libraries>
<library name="fab">
<packages>
<package name="TO252">
<description>&lt;b&gt;SMALL OUTLINE TRANSISTOR&lt;/b&gt;&lt;p&gt;
TS-003</description>
</package>
<package name="2X02SMD">
</package>
<package name="R1206">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;</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="1X16_NO_SILK">
<description>&lt;h3&gt;Plated Through Hole -16 Pin No Silk&lt;/h3&gt;
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count:16&lt;/li&gt;
&lt;li&gt;Pin pitch:0.1"&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;
&lt;p&gt;Example device(s):
&lt;ul&gt;&lt;li&gt;CONN_16&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="J15" library="SparkFun-Connectors" package="1X16_NO_SILK" value=""/>
<element name="J16" library="SparkFun-Connectors" package="1X16_NO_SILK" value=""/>
<element name="J9" library="SparkFun-Connectors" package="1X16_NO_SILK" value=""/>
<element name="T1" library="fab" package="TO252" value=""/>
<element name="THERMISTOR_HEADERS" library="fab" package="2X02SMD" value="PINHD-2X2-SMD"/>
<element name="R_F" library="fab" package="R1206" value="75K"/>
</elements>
<signals>
<signal name="GND">
<contactref element="J16" pad="1"/>
<contactref element="J16" pad="2"/>
<contactref element="J16" pad="3"/>
<contactref element="J16" pad="4"/>
<contactref element="J16" pad="5"/>
<contactref element="J16" pad="6"/>
<contactref element="J16" pad="7"/>
<contactref element="J16" pad="8"/>
<contactref element="J16" pad="9"/>
<contactref element="J16" pad="10"/>
<contactref element="J16" pad="11"/>
<contactref element="J16" pad="12"/>
<contactref element="J16" pad="13"/>
<contactref element="J16" pad="14"/>
<contactref element="J16" pad="15"/>
<contactref element="T1" pad="2"/>
<contactref element="THERMISTOR_HEADERS" pad="3"/>
<contactref element="J16" pad="16"/>
</signal>
<signal name="VCC">
<contactref element="J15" pad="4"/>
<contactref element="J15" pad="3"/>
<contactref element="J15" pad="2"/>
<contactref element="J15" pad="1"/>
</signal>
<signal name="PB2/DAC0">
<contactref element="J9" pad="3"/>
</signal>
<signal name="PB3/DAC1">
<contactref element="J9" pad="4"/>
</signal>
<signal name="PB1">
<contactref element="J9" pad="2"/>
</signal>
<signal name="PB0/AREF">
<contactref element="J9" pad="1"/>
<contactref element="R_F" pad="1"/>
<contactref element="THERMISTOR_HEADERS" pad="4"/>
</signal>
<signal name="PC0">
<contactref element="J9" pad="5"/>
<contactref element="T1" pad="1"/>
</signal>
<signal name="PC1">
<contactref element="J9" pad="6"/>
</signal>
<signal name="PC2">
<contactref element="J9" pad="7"/>
</signal>
<signal name="PC3/BLANKET">
<contactref element="J9" pad="8"/>
<contactref element="T1" pad="3"/>
</signal>
<signal name="PC4">
<contactref element="J9" pad="9"/>
</signal>
<signal name="PC5">
<contactref element="J9" pad="10"/>
</signal>
<signal name="PC6">
<contactref element="J9" pad="11"/>
</signal>
<signal name="PC7">
<contactref element="J9" pad="12"/>
</signal>
<signal name="PD4">
<contactref element="J9" pad="13"/>
</signal>
<signal name="PD5">
<contactref element="J9" pad="14"/>
</signal>
<signal name="PD6">
<contactref element="J9" pad="15"/>
</signal>
<signal name="+5V">
<contactref element="J15" pad="5"/>
<contactref element="J15" pad="6"/>
<contactref element="J15" pad="7"/>
<contactref element="J15" pad="8"/>
</signal>
<signal name="+3V3">
<contactref element="R_F" pad="2"/>
<contactref element="J15" pad="9"/>
<contactref element="J15" pad="10"/>
<contactref element="J15" pad="11"/>
<contactref element="J15" pad="12"/>
<contactref element="J15" pad="13"/>
<contactref element="J15" pad="14"/>
<contactref element="J15" pad="15"/>
<contactref element="J15" pad="16"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
