<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="7.1.0">
<drawing>
<board>
<plain>
<text>+5V</text>
<text>5</text>
<text>GND</text>
<wire x1="30.861" y1="-8.89" x2="30.861" y2="3.302" width="0" layer="20"/>
<wire x1="30.861" y1="3.302" x2="93.472" y2="3.302" width="0" layer="20"/>
<wire x1="93.472" y1="-8.89" x2="30.861" y2="-8.89" width="0" layer="20"/>
<text>D+29</text>
<text>D-28</text>
<text>32.768kHz</text>
<text>Bobricius</text>
<text>Made in Slovakia</text>
<text>D5/PA15</text>
<wire x1="93.472" y1="-8.89" x2="93.472" y2="3.302" width="0" layer="20"/>
<text>2</text>
<text>0TX</text>
<text>1RX</text>
<text>3</text>
<text>4</text>
<text>9r</text>
<text>8b</text>
<text>A4</text>
<text>A3</text>
<text>A0</text>
<text>42</text>
<text>21C</text>
<text>20D</text>
<text>12</text>
<text>10</text>
<text>13</text>
<text>11</text>
<text>3.3V</text>
<text>Rst</text>
<text>GND</text>
<text>SWD</text>
<text>+5V</text>
<text>AtsamD21 ZERO</text>
<text>SWC</text>
<text>GND</text>
<text>3.3V</text>
<text>GND</text>
<text>27</text>
<text>Power</text>
<text>SS-10</text>
<text>MOSI-11</text>
<text>+3.3V</text>
<text>SCK-13</text>
<text>GND</text>
<text>MISO-12</text>
<text>USBid</text>
<text>SPI</text>
<text>IIC/TWI</text>
<text>JTAG</text>
<text>GND</text>
<text>3.3V</text>
<text>SCL</text>
<text>SDA</text>
<text>SS</text>
<text>MOSI</text>
<text>SCK</text>
<text>MISO</text>
<text>UART</text>
<text>ANALOG</text>
<text>TX</text>
<text>RX</text>
<text>DAC</text>
<text>Aref</text>
<text>Rst</text>
<text>+5V</text>
<text>GND</text>
<text>3.3V</text>
<text>SWC</text>
<text>SWD</text>
<text>GND</text>
<text>1u</text>
<text>PA16</text>
<text>PA17</text>
<text>PA18</text>
<text>PA19</text>
<text>PA22</text>
<text>PA23</text>
<text>PA30</text>
<text>PA31</text>
<text>PA28</text>
<text>PA8</text>
<text>PA9</text>
<text>PA10</text>
<text>PA11</text>
<text>PA14</text>
<text>PA15</text>
<text>PA7</text>
<text>PA6</text>
<text>PA5</text>
<text>PA4</text>
<text>PA3</text>
<text>PA2</text>
<text>Touch</text>
<text>DAC</text>
<text>D21</text>
</plain>
<libraries>
<library name="rc-master-smd">
<packages>
<package name="C0603">
<description>&lt;b&gt;SMD CHIP CAP&lt;/b&gt; - 0603</description>
</package>
</packages>
</library>
<library name="SparkFun">
<packages>
<package name="TACTILE-SWITCH-1101NE">
<description>Sparkfun SKU# COM-08229</description>
</package>
<package name="USB-A-PCB">
</package>
</packages>
</library>
<library name="atsamd21E">
<description>Generated from &lt;b&gt;picomeganrfesp.sch&lt;/b&gt;&lt;p&gt;
by exp-project-lbr.ulp</description>
<packages>
<package name="TQFP32-08">
<description>&lt;B&gt;Thin Plasic Quad Flat Package&lt;/B&gt; Grid 0.8 mm</description>
</package>
</packages>
</library>
<library name="todstuff">
<packages>
<package name="MOLEX-48037-1000">
</package>
</packages>
</library>
<library name="resistor-dil">
<description>&lt;b&gt;Resistors in DIL Packages&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="EXB38V">
<description>&lt;b&gt;Chip Resistor Array 0603x4&lt;/b&gt; 4 resistors in 3.2 mm x 1.6 mm size (EXB38V, V8V)&lt;p&gt;
Source: PANASONIC .. aoc0000ce1.pdf</description>
</package>
</packages>
</library>
<library name="SparkFun-LED">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
In this library you'll find discrete LEDs for illumination or indication, but no displays.&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="LED-TRICOLOR-SMD">
</package>
</packages>
</library>
<library name="es">
<packages>
<package name="KX-327LT">
</package>
</packages>
</library>
<library name="okie">
<packages>
<package name="SOT23">
</package>
</packages>
</library>
<library name="led">
<description>&lt;b&gt;LEDs&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;&lt;br&gt;
Extended by Federico Battaglin &lt;author&gt;&amp;lt;federico.rd@fdpinternational.com&amp;gt;&lt;/author&gt; with DUOLED</description>
<packages>
<package name="CHIPLED_0603">
<description>&lt;b&gt;CHIPLED&lt;/b&gt;&lt;p&gt;
Source: http://www.osram.convergy.de/ ... LG_LY Q971.pdf</description>
</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; 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="1X06_NO_SILK">
</package>
<package name="1X08_NO_SILK">
</package>
</packages>
</library>
<library name="OPL5">
<packages>
<package name="9P-SMD-W-RING">
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="BOOT" library="SparkFun" package="TACTILE-SWITCH-1101NE" value="">
<attribute name="VALUE"/>
</element>
<element name="U$2" library="atsamd21E" package="TQFP32-08" value="ATSAMD21ESAMD"/>
<element name="C3" library="rc-master-smd" package="C0603" value="1uF"/>
<element name="X1" library="todstuff" package="MOLEX-48037-1000" value="USB"/>
<element name="X4" library="SparkFun" package="USB-A-PCB" value="USBPCB"/>
<element name="RN2" library="resistor-dil" package="EXB38V" value="1k5">
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
</element>
<element name="C6" library="rc-master-smd" package="C0603" value="100n"/>
<element name="C7" library="rc-master-smd" package="C0603" value="100n"/>
<element name="C1" library="rc-master-smd" package="C0603" value="100n"/>
<element name="32,768KHZ" library="es" package="KX-327LT" value="32768KHz"/>
<element name="C4" library="rc-master-smd" package="C0603" value="22p"/>
<element name="C5" library="rc-master-smd" package="C0603" value="22p"/>
<element name="U$6" library="SparkFun-LED" package="LED-TRICOLOR-SMD" value="LED-TRICOLOR"/>
<element name="3V3" library="okie" package="SOT23" value="3V3"/>
<element name="C2" library="rc-master-smd" package="C0603" value="100n"/>
<element name="LED2" library="led" package="CHIPLED_0603" value="">
<attribute name="VALUE"/>
</element>
<element name="JP7" library="SparkFun-Connectors" package="1X06_NO_SILK" value="">
<attribute name="PROD_ID" value="CONN-08437"/>
<attribute name="VALUE"/>
</element>
<element name="JP1" library="SparkFun-Connectors" package="1X06_NO_SILK" value="">
<attribute name="PROD_ID" value="CONN-08437"/>
<attribute name="VALUE"/>
</element>
<element name="JP2" library="SparkFun-Connectors" package="1X08_NO_SILK" value="">
<attribute name="PROD_ID" value="CONN-08438"/>
<attribute name="VALUE"/>
</element>
<element name="JP4" library="SparkFun-Connectors" package="1X08_NO_SILK" value="">
<attribute name="PROD_ID" value="CONN-08438"/>
<attribute name="VALUE"/>
</element>
<element name="J2" library="OPL5" package="9P-SMD-W-RING" value="MICRO-SDCARD-CONNECTOR-3300060P1"/>
</elements>
<signals>
<signal name="VCC">
<contactref element="U$2" pad="30"/>
<contactref element="U$2" pad="9"/>
<contactref element="U$6" pad="A"/>
<contactref element="3V3" pad="2"/>
<contactref element="RN2" pad="6"/>
<contactref element="C7" pad="1"/>
<contactref element="C2" pad="1"/>
<contactref element="C1" pad="1"/>
<contactref element="JP4" pad="3"/>
<contactref element="J2" pad="4"/>
<contactref element="JP2" pad="1"/>
</signal>
<signal name="GND">
<contactref element="U$2" pad="28"/>
<contactref element="U$2" pad="10"/>
<contactref element="BOOT" pad="P$1"/>
<contactref element="C3" pad="1"/>
<contactref element="X1" pad="4"/>
<contactref element="C7" pad="2"/>
<contactref element="C6" pad="2"/>
<contactref element="X1" pad="4"/>
<contactref element="X4" pad="GND"/>
<contactref element="C1" pad="2"/>
<contactref element="C4" pad="2"/>
<contactref element="C5" pad="1"/>
<contactref element="3V3" pad="1"/>
<contactref element="C2" pad="2"/>
<contactref element="LED2" pad="C"/>
<contactref element="JP4" pad="2"/>
<contactref element="JP4" pad="8"/>
<contactref element="J2" pad="6"/>
<contactref element="JP2" pad="2"/>
</signal>
<signal name="A0">
<contactref element="U$2" pad="3"/>
<contactref element="JP1" pad="1"/>
</signal>
<signal name="D12">
<contactref element="U$2" pad="20"/>
<contactref element="JP2" pad="5"/>
<contactref element="J2" pad="7"/>
</signal>
<signal name="D10">
<contactref element="U$2" pad="19"/>
<contactref element="JP2" pad="6"/>
<contactref element="J2" pad="2"/>
</signal>
<signal name="D11">
<contactref element="U$2" pad="17"/>
<contactref element="JP2" pad="8"/>
<contactref element="J2" pad="3"/>
</signal>
<signal name="D13">
<contactref element="U$2" pad="18"/>
<contactref element="JP2" pad="7"/>
<contactref element="J2" pad="5"/>
</signal>
<signal name="D20SDA">
<contactref element="U$2" pad="21"/>
<contactref element="JP2" pad="4"/>
</signal>
<signal name="XIN32">
<contactref element="U$2" pad="1"/>
<contactref element="C5" pad="2"/>
<contactref element="32,768KHZ" pad="1"/>
</signal>
<signal name="XOUT32">
<contactref element="U$2" pad="2"/>
<contactref element="C4" pad="1"/>
<contactref element="32,768KHZ" pad="4"/>
</signal>
<signal name="DP">
<contactref element="U$2" pad="24"/>
<contactref element="X1" pad="3"/>
<contactref element="X4" pad="USB_P"/>
</signal>
<signal name="DM">
<contactref element="U$2" pad="23"/>
<contactref element="X1" pad="2"/>
<contactref element="X4" pad="USB_M"/>
</signal>
<signal name="RESET">
<contactref element="U$2" pad="26"/>
<contactref element="JP4" pad="4"/>
</signal>
<signal name="D2">
<contactref element="U$2" pad="15"/>
<contactref element="JP7" pad="2"/>
</signal>
<signal name="D0TX">
<contactref element="U$2" pad="14"/>
<contactref element="JP7" pad="3"/>
</signal>
<signal name="N$3">
<contactref element="U$2" pad="29"/>
<contactref element="C3" pad="2"/>
</signal>
<signal name="VIN">
<contactref element="C6" pad="1"/>
<contactref element="3V3" pad="3"/>
<contactref element="X1" pad="1"/>
<contactref element="X4" pad="5V"/>
<contactref element="JP4" pad="1"/>
</signal>
<signal name="D5">
<contactref element="U$2" pad="16"/>
<contactref element="JP7" pad="1"/>
<contactref element="BOOT" pad="P$2"/>
</signal>
<signal name="A4">
<contactref element="U$2" pad="6"/>
<contactref element="JP1" pad="4"/>
</signal>
<signal name="D4">
<contactref element="U$2" pad="11"/>
<contactref element="JP7" pad="6"/>
</signal>
<signal name="D3">
<contactref element="U$2" pad="12"/>
<contactref element="JP7" pad="5"/>
</signal>
<signal name="D8">
<contactref element="U$2" pad="7"/>
<contactref element="RN2" pad="2"/>
<contactref element="JP1" pad="5"/>
</signal>
<signal name="D1RX">
<contactref element="U$2" pad="13"/>
<contactref element="JP7" pad="4"/>
</signal>
<signal name="D9">
<contactref element="U$2" pad="8"/>
<contactref element="RN2" pad="4"/>
<contactref element="JP1" pad="6"/>
</signal>
<signal name="D42">
<contactref element="U$2" pad="4"/>
<contactref element="JP1" pad="2"/>
</signal>
<signal name="A3">
<contactref element="U$2" pad="5"/>
<contactref element="JP1" pad="3"/>
</signal>
<signal name="N$2">
<contactref element="RN2" pad="5"/>
<contactref element="U$6" pad="R"/>
</signal>
<signal name="PA30">
<contactref element="U$2" pad="31"/>
<contactref element="JP4" pad="5"/>
</signal>
<signal name="PA31">
<contactref element="U$2" pad="32"/>
<contactref element="JP4" pad="6"/>
</signal>
<signal name="N$6">
<contactref element="LED2" pad="A"/>
<contactref element="RN2" pad="3"/>
</signal>
<signal name="N$1">
<contactref element="U$6" pad="B"/>
<contactref element="RN2" pad="7"/>
</signal>
<signal name="N$4">
<contactref element="U$6" pad="G"/>
<contactref element="RN2" pad="8"/>
</signal>
<signal name="D21SCL">
<contactref element="U$2" pad="22"/>
<contactref element="JP2" pad="3"/>
</signal>
<signal name="D26">
<contactref element="U$2" pad="25"/>
<contactref element="RN2" pad="1"/>
</signal>
<signal name="D27">
<contactref element="U$2" pad="27"/>
<contactref element="JP4" pad="7"/>
</signal>
<signal name="N$5">
</signal>
</signals>
</board>
</drawing>
</eagle>
