<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="9.6.2">
<drawing>
<board>
<plain>
<text>+12v</text>
<text>+12v</text>
<text>↓1-8</text>
<text>↑9-16</text>
<text>+5v</text>
<text>GND</text>
<text>1  3  5  7   9 11 13 15 </text>
<text>2  4  6  8  10 12 14 16</text>
<text>Shift Expansion v 1.2
Cajal Neuroscience 2021</text>
<text>SCK</text>
<text>MISO</text>
<text>MOSI</text>
<text>SS</text>
<text>GND</text>
<text>SDA</text>
<text>SCL</text>
<text>VCC</text>
<text>A0</text>
<text>A1</text>
<text>A2</text>
<text>A3</text>
</plain>
<libraries>
<library name="SparkFun-Capacitors">
<description>&lt;h3&gt;SparkFun Capacitors&lt;/h3&gt;
This library contains capacitors. 
&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="CPOL-RADIAL-2.5MM-5MM">
<description>2.5 mm spaced PTHs with 5 mm diameter outline and standard solder mask</description>
</package>
<package name="CPOL-RADIAL-2.5MM-6.5MM">
<description>2.5 mm spaced PTHs with 6.5 mm diameter outline</description>
</package>
</packages>
</library>
<library name="SparkFun-LED">
<description>&lt;h3&gt;SparkFun LEDs&lt;/h3&gt;
This library contains 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 &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="LED-1206">
<description>&lt;h3&gt;LED 1206 SMT&lt;/h3&gt;

1206, surface mount. 

&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count: 2&lt;/li&gt;
&lt;li&gt;Pin pitch: &lt;/li&gt;
&lt;li&gt;Area: 0.125" x 0.06"&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;
&lt;p&gt;Example device(s):
&lt;ul&gt;&lt;li&gt;LED&lt;/li&gt;&lt;/ul&gt;</description>
</package>
</packages>
</library>
<library name="adafruit">
<packages>
<package name="TO220H">
<description>&lt;b&gt;TO-220&lt;/b&gt;</description>
</package>
<package name="ARDUINOR3_ICSP">
</package>
<package name="M0805">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
MELF 0.10 W</description>
</package>
<package name="M1206">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
MELF 0.25 W</description>
</package>
<package name="1X08-BIG">
</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="2X10">
<description>&lt;h3&gt;Plated Through Hole - 2x10&lt;/h3&gt;
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count:20&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_10x2&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</description>
</package>
<package name="POWER_JACK_PTH">
<description>&lt;h3&gt;DC Barrel Power Jack/Connector PTH&lt;/h3&gt;
5.5mm jack, 2.1mm center pole diameter
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count: 3&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;
&lt;p&gt;&lt;a href=”https://www.sparkfun.com/datasheets/Prototyping/Barrel-Connector-PJ-202A.pdf”&gt;Datasheet referenced for footprint&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;Example device(s):
&lt;ul&gt;&lt;li&gt;POWER_JACK&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</description>
</package>
<package name="MOLEX-1X2">
<description>&lt;h3&gt;Molex 2-Pin Plated Through-Hole&lt;/h3&gt;
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count:2&lt;/li&gt;
&lt;li&gt;Pin pitch:0.1"&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;
&lt;p&gt;&lt;a href=”https://www.sparkfun.com/datasheets/Prototyping/2pin_molex_set_19iv10.pdf”&gt;Datasheet referenced for footprint&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;Example device(s):
&lt;ul&gt;&lt;li&gt;CONN_02&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</description>
</package>
</packages>
</library>
<library name="SparkFun-Switches">
<description>&lt;h3&gt;SparkFun Switches, Buttons, Encoders&lt;/h3&gt;
In this library you'll find switches, buttons, joysticks, and anything that moves to create or disrupt an electrical connection.
&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="TACTILE_SWITCH_SMD_5.2MM">
<description>&lt;h3&gt;Momentary Switch (Pushbutton) - SPST - SMD, 5.2mm Square&lt;/h3&gt;
&lt;p&gt;Normally-open (NO) SPST momentary switches (buttons, pushbuttons).&lt;/p&gt;
&lt;p&gt;&lt;a href="https://www.sparkfun.com/datasheets/Components/Buttons/SMD-Button.pdf"&gt;Dimensional Drawing&lt;/a&gt;&lt;/p&gt;</description>
</package>
<package name="SWITCH_SPDT_PTH_11.6X4.0MM">
<description>&lt;h3&gt;SPDT PTH Slide Switch&lt;/h3&gt;
&lt;p&gt;Single-pole, double-throw (SPDT) switch.&lt;/p&gt;
&lt;p&gt;&lt;a href="https://www.sparkfun.com/datasheets/Components/Buttons/P040040c.pdf"&gt;Dimensional Drawing&lt;/a&gt;&lt;/p&gt;</description>
</package>
</packages>
</library>
<library name="SamacSys_Parts">
<description>&lt;b&gt;https://componentsearchengine.com&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by SamacSys&lt;/author&gt;</description>
<packages>
<package name="PT65103">
<description>&lt;b&gt;PT65103-1&lt;/b&gt;&lt;br&gt;
</description>
</package>
</packages>
</library>
<library name="74ttl-din">
<description>&lt;b&gt;TTL Devices with DIN Symbols&lt;/b&gt;&lt;p&gt;
CadSoft and the author do not warrant that this library is free from error
or will meet your specific requirements.&lt;p&gt;
&lt;author&gt;Created by Holger Bettenbühl, hol.bet.@rhein-main.net&lt;/author&gt;</description>
<packages>
<package name="DIL16">
<description>&lt;b&gt;Dual In Line Package&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="pinhead">
<description>&lt;b&gt;Pin Header Connectors&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="1X04">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="C1" library="SparkFun-Capacitors" package="CPOL-RADIAL-2.5MM-5MM" value="10uF">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="CAP-08440"/>
<attribute name="VALUE"/>
</element>
<element name="C2" library="SparkFun-Capacitors" package="CPOL-RADIAL-2.5MM-6.5MM" value="100uF">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="CAP-08439"/>
<attribute name="VALUE"/>
</element>
<element name="D17" library="SparkFun-LED" package="LED-1206" value="RED">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="DIO-09912"/>
<attribute name="VALUE"/>
</element>
<element name="D18" library="SparkFun-LED" package="LED-1206" value="RED">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="DIO-09912"/>
<attribute name="VALUE"/>
</element>
<element name="D19" library="SparkFun-LED" package="LED-1206" value="RED">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="DIO-09912"/>
<attribute name="VALUE"/>
</element>
<element name="D20" library="SparkFun-LED" package="LED-1206" value="RED">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="DIO-09912"/>
<attribute name="VALUE"/>
</element>
<element name="D21" library="SparkFun-LED" package="LED-1206" value="RED">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="DIO-09912"/>
<attribute name="VALUE"/>
</element>
<element name="D22" library="SparkFun-LED" package="LED-1206" value="RED">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="DIO-09912"/>
<attribute name="VALUE"/>
</element>
<element name="D23" library="SparkFun-LED" package="LED-1206" value="RED">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="DIO-09912"/>
<attribute name="VALUE"/>
</element>
<element name="D24" library="SparkFun-LED" package="LED-1206" value="RED">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="DIO-09912"/>
<attribute name="VALUE"/>
</element>
<element name="D25" library="SparkFun-LED" package="LED-1206" value="RED">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="DIO-09912"/>
<attribute name="VALUE"/>
</element>
<element name="D26" library="SparkFun-LED" package="LED-1206" value="RED">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="DIO-09912"/>
<attribute name="VALUE"/>
</element>
<element name="D27" library="SparkFun-LED" package="LED-1206" value="RED">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="DIO-09912"/>
<attribute name="VALUE"/>
</element>
<element name="D28" library="SparkFun-LED" package="LED-1206" value="RED">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="DIO-09912"/>
<attribute name="VALUE"/>
</element>
<element name="D29" library="SparkFun-LED" package="LED-1206" value="RED">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="DIO-09912"/>
<attribute name="VALUE"/>
</element>
<element name="D30" library="SparkFun-LED" package="LED-1206" value="RED">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="DIO-09912"/>
<attribute name="VALUE"/>
</element>
<element name="D31" library="SparkFun-LED" package="LED-1206" value="RED">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="DIO-09912"/>
<attribute name="VALUE"/>
</element>
<element name="D32" library="SparkFun-LED" package="LED-1206" value="RED">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="DIO-09912"/>
<attribute name="VALUE"/>
</element>
<element name="IC1" library="adafruit" package="TO220H" value="7805T">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="J1" library="SparkFun-Connectors" package="2X10" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="J2" library="SparkFun-Connectors" package="POWER_JACK_PTH" value="POWER_JACK">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="CONN-08197"/>
<attribute name="VALUE"/>
</element>
<element name="J3" library="SparkFun-Connectors" package="MOLEX-1X2" value="">
<attribute name="NAME"/>
<attribute name="SF_ID" value="PRT-09918"/>
<attribute name="VALUE"/>
</element>
<element name="M1" library="adafruit" package="ARDUINOR3_ICSP" value="ARDUINO_R3_ICSP"/>
<element name="R1" library="adafruit" package="M0805" value="330">
<attribute name="NAME"/>
</element>
<element name="R10" library="adafruit" package="M0805" value="330">
<attribute name="NAME"/>
</element>
<element name="R11" library="adafruit" package="M0805" value="330">
<attribute name="NAME"/>
</element>
<element name="R12" library="adafruit" package="M0805" value="330">
<attribute name="NAME"/>
</element>
<element name="R13" library="adafruit" package="M0805" value="330">
<attribute name="NAME"/>
</element>
<element name="R14" library="adafruit" package="M0805" value="330">
<attribute name="NAME"/>
</element>
<element name="R15" library="adafruit" package="M0805" value="330">
<attribute name="NAME"/>
</element>
<element name="R16" library="adafruit" package="M0805" value="330">
<attribute name="NAME"/>
</element>
<element name="R17" library="adafruit" package="M1206" value="10k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R18" library="adafruit" package="M1206" value="10k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R19" library="adafruit" package="M1206" value="10k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R2" library="adafruit" package="M0805" value="330">
<attribute name="NAME"/>
</element>
<element name="R20" library="adafruit" package="M1206" value="10k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R21" library="adafruit" package="M1206" value="10k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R22" library="adafruit" package="M1206" value="10k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R3" library="adafruit" package="M0805" value="330">
<attribute name="NAME"/>
</element>
<element name="R4" library="adafruit" package="M0805" value="330">
<attribute name="NAME"/>
</element>
<element name="R5" library="adafruit" package="M0805" value="330">
<attribute name="NAME"/>
</element>
<element name="R6" library="adafruit" package="M0805" value="330">
<attribute name="NAME"/>
</element>
<element name="R7" library="adafruit" package="M0805" value="330">
<attribute name="NAME"/>
</element>
<element name="R8" library="adafruit" package="M0805" value="330">
<attribute name="NAME"/>
</element>
<element name="R9" library="adafruit" package="M0805" value="330">
<attribute name="NAME"/>
</element>
<element name="S1" library="SparkFun-Switches" package="TACTILE_SWITCH_SMD_5.2MM" value="MOMENTARY-SWITCH-SPST-SMD-5.2-TALL-REDUNDANT">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="SWCH-14139"/>
</element>
<element name="S2" library="SamacSys_Parts" package="PT65103" value="PT65103">
<attribute name="DESCRIPTION" value="Coded Rotary Switches Hexadecimal rotary code"/>
<attribute name="HEIGHT" value="6.7mm"/>
<attribute name="MANUFACTURER_NAME" value="Apem"/>
<attribute name="MANUFACTURER_PART_NUMBER" value="PT65103"/>
<attribute name="MOUSER_PART_NUMBER" value="642-PT65103"/>
<attribute name="MOUSER_PRICE-STOCK" value="https://www.mouser.co.uk/ProductDetail/Apem/PT65103?qs=MjDFYIq%252B1s4Q3gB6%252B74srA%3D%3D"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="S3" library="SparkFun-Switches" package="SWITCH_SPDT_PTH_11.6X4.0MM" value="">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="SWCH-08261"/>
<attribute name="SF_SKU" value="COM-00102"/>
<attribute name="VALUE"/>
</element>
<element name="V1" library="74ttl-din" package="DIL16" value="74595N">
<attribute name="NAME"/>
<attribute name="POPULARITY" value="0"/>
<attribute name="VALUE"/>
</element>
<element name="V2" library="74ttl-din" package="DIL16" value="74595N">
<attribute name="NAME"/>
<attribute name="POPULARITY" value="0"/>
<attribute name="VALUE"/>
</element>
<element name="JP1" library="adafruit" package="1X08-BIG" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="JP2" library="pinhead" package="1X04" value="">
<attribute name="NAME"/>
<attribute name="POPULARITY" value="91"/>
<attribute name="VALUE"/>
</element>
</elements>
<signals>
<signal name="VIN">
<contactref element="M1" pad="VIN"/>
</signal>
<signal name="3V">
<contactref element="M1" pad="3V"/>
</signal>
<signal name="N$1">
<contactref element="V1" pad="9"/>
<contactref element="V2" pad="14"/>
</signal>
<signal name="SRCK">
<contactref element="V2" pad="11"/>
<contactref element="V1" pad="11"/>
<contactref element="M1" pad="D6"/>
</signal>
<signal name="RCK">
<contactref element="V2" pad="12"/>
<contactref element="V1" pad="12"/>
<contactref element="M1" pad="D5"/>
</signal>
<signal name="GND">
<contactref element="M1" pad="GND@1"/>
<contactref element="M1" pad="GND@3"/>
<contactref element="M1" pad="GND"/>
<contactref element="V1" pad="13"/>
<contactref element="V2" pad="13"/>
<contactref element="V2" pad="8"/>
<contactref element="V1" pad="8"/>
<contactref element="R17" pad="2"/>
<contactref element="J2" pad="GND"/>
<contactref element="J2" pad="GNDBREAK"/>
<contactref element="J3" pad="2"/>
<contactref element="R18" pad="1"/>
<contactref element="R19" pad="1"/>
<contactref element="R20" pad="1"/>
<contactref element="R21" pad="1"/>
<contactref element="R22" pad="1"/>
<contactref element="R1" pad="1"/>
<contactref element="R16" pad="1"/>
<contactref element="R15" pad="1"/>
<contactref element="R14" pad="1"/>
<contactref element="R13" pad="1"/>
<contactref element="R12" pad="1"/>
<contactref element="R11" pad="1"/>
<contactref element="R10" pad="1"/>
<contactref element="R9" pad="1"/>
<contactref element="R8" pad="1"/>
<contactref element="R7" pad="1"/>
<contactref element="R6" pad="1"/>
<contactref element="R5" pad="1"/>
<contactref element="R4" pad="1"/>
<contactref element="R3" pad="1"/>
<contactref element="R2" pad="1"/>
<contactref element="J1" pad="19"/>
<contactref element="J1" pad="20"/>
<contactref element="C1" pad="2"/>
<contactref element="IC1" pad="2"/>
<contactref element="C2" pad="2"/>
<contactref element="JP1" pad="4"/>
</signal>
<signal name="QA2">
<contactref element="V1" pad="15"/>
<contactref element="D32" pad="A"/>
<contactref element="J1" pad="3"/>
</signal>
<signal name="QB2">
<contactref element="V1" pad="1"/>
<contactref element="D17" pad="A"/>
<contactref element="J1" pad="4"/>
</signal>
<signal name="QC2">
<contactref element="V1" pad="2"/>
<contactref element="D18" pad="A"/>
<contactref element="J1" pad="5"/>
</signal>
<signal name="QD2">
<contactref element="V1" pad="3"/>
<contactref element="D19" pad="A"/>
<contactref element="J1" pad="6"/>
</signal>
<signal name="QE2">
<contactref element="V1" pad="4"/>
<contactref element="D20" pad="A"/>
<contactref element="J1" pad="7"/>
</signal>
<signal name="QF2">
<contactref element="V1" pad="5"/>
<contactref element="D21" pad="A"/>
<contactref element="J1" pad="8"/>
</signal>
<signal name="QG2">
<contactref element="V1" pad="6"/>
<contactref element="D22" pad="A"/>
<contactref element="J1" pad="9"/>
</signal>
<signal name="QH2">
<contactref element="V1" pad="7"/>
<contactref element="D23" pad="A"/>
<contactref element="J1" pad="10"/>
</signal>
<signal name="SER">
<contactref element="M1" pad="D7"/>
<contactref element="V1" pad="14"/>
</signal>
<signal name="QH1">
<contactref element="D31" pad="A"/>
<contactref element="J1" pad="18"/>
<contactref element="V2" pad="7"/>
</signal>
<signal name="N$3">
<contactref element="M1" pad="D2"/>
<contactref element="S1" pad="1"/>
<contactref element="S1" pad="2"/>
<contactref element="R17" pad="1"/>
</signal>
<signal name="N$4">
<contactref element="J2" pad="PWR"/>
<contactref element="S3" pad="2"/>
</signal>
<signal name="N$6">
<contactref element="IC1" pad="3"/>
<contactref element="C1" pad="1"/>
<contactref element="V2" pad="10"/>
<contactref element="V1" pad="10"/>
<contactref element="V1" pad="16"/>
<contactref element="V2" pad="16"/>
<contactref element="S1" pad="3"/>
<contactref element="S1" pad="4"/>
<contactref element="J1" pad="1"/>
<contactref element="J1" pad="2"/>
<contactref element="M1" pad="5V"/>
<contactref element="JP1" pad="1"/>
</signal>
<signal name="N$9">
<contactref element="J3" pad="1"/>
<contactref element="S3" pad="3"/>
<contactref element="C2" pad="1"/>
<contactref element="IC1" pad="1"/>
</signal>
<signal name="N$8">
<contactref element="R19" pad="2"/>
<contactref element="S2" pad="4"/>
<contactref element="M1" pad="D8"/>
</signal>
<signal name="N$13">
<contactref element="D32" pad="C"/>
<contactref element="R1" pad="2"/>
</signal>
<signal name="N$14">
<contactref element="D17" pad="C"/>
<contactref element="R2" pad="2"/>
</signal>
<signal name="N$15">
<contactref element="D18" pad="C"/>
<contactref element="R3" pad="2"/>
</signal>
<signal name="N$16">
<contactref element="D19" pad="C"/>
<contactref element="R4" pad="2"/>
</signal>
<signal name="N$17">
<contactref element="D20" pad="C"/>
<contactref element="R5" pad="2"/>
</signal>
<signal name="N$18">
<contactref element="D21" pad="C"/>
<contactref element="R6" pad="2"/>
</signal>
<signal name="N$19">
<contactref element="D22" pad="C"/>
<contactref element="R7" pad="2"/>
</signal>
<signal name="N$20">
<contactref element="D23" pad="C"/>
<contactref element="R8" pad="2"/>
</signal>
<signal name="N$21">
<contactref element="D24" pad="C"/>
<contactref element="R9" pad="2"/>
</signal>
<signal name="N$22">
<contactref element="D25" pad="C"/>
<contactref element="R10" pad="2"/>
</signal>
<signal name="N$23">
<contactref element="D26" pad="C"/>
<contactref element="R11" pad="2"/>
</signal>
<signal name="N$24">
<contactref element="D27" pad="C"/>
<contactref element="R12" pad="2"/>
</signal>
<signal name="N$25">
<contactref element="D28" pad="C"/>
<contactref element="R13" pad="2"/>
</signal>
<signal name="N$26">
<contactref element="D29" pad="C"/>
<contactref element="R14" pad="2"/>
</signal>
<signal name="N$27">
<contactref element="D30" pad="C"/>
<contactref element="R15" pad="2"/>
</signal>
<signal name="N$28">
<contactref element="D31" pad="C"/>
<contactref element="R16" pad="2"/>
</signal>
<signal name="QF1">
<contactref element="D29" pad="A"/>
<contactref element="J1" pad="16"/>
<contactref element="V2" pad="5"/>
</signal>
<signal name="QG1">
<contactref element="D30" pad="A"/>
<contactref element="J1" pad="17"/>
<contactref element="V2" pad="6"/>
</signal>
<signal name="QA1">
<contactref element="V2" pad="15"/>
<contactref element="D24" pad="A"/>
<contactref element="J1" pad="11"/>
</signal>
<signal name="QB1">
<contactref element="V2" pad="1"/>
<contactref element="D25" pad="A"/>
<contactref element="J1" pad="12"/>
</signal>
<signal name="QC1">
<contactref element="D26" pad="A"/>
<contactref element="J1" pad="13"/>
<contactref element="V2" pad="2"/>
</signal>
<signal name="QD1">
<contactref element="D27" pad="A"/>
<contactref element="J1" pad="14"/>
<contactref element="V2" pad="3"/>
</signal>
<signal name="QE1">
<contactref element="D28" pad="A"/>
<contactref element="J1" pad="15"/>
<contactref element="V2" pad="4"/>
</signal>
<signal name="N$10">
<contactref element="R20" pad="2"/>
<contactref element="M1" pad="D4"/>
<contactref element="S2" pad="8"/>
</signal>
<signal name="N$2">
<contactref element="M1" pad="D10"/>
<contactref element="JP1" pad="5"/>
</signal>
<signal name="N$11">
<contactref element="M1" pad="D11"/>
<contactref element="JP1" pad="6"/>
</signal>
<signal name="N$12">
<contactref element="M1" pad="D12"/>
<contactref element="JP1" pad="7"/>
</signal>
<signal name="N$29">
<contactref element="M1" pad="D13"/>
<contactref element="JP1" pad="8"/>
</signal>
<signal name="N$30">
<contactref element="S2" pad="C2"/>
<contactref element="S2" pad="C1"/>
<contactref element="M1" pad="D1"/>
<contactref element="R22" pad="2"/>
</signal>
<signal name="N$31">
<contactref element="S2" pad="1"/>
<contactref element="M1" pad="D9"/>
<contactref element="R18" pad="2"/>
</signal>
<signal name="N$34">
<contactref element="S2" pad="2"/>
<contactref element="M1" pad="D3"/>
<contactref element="R21" pad="2"/>
</signal>
<signal name="N$37">
<contactref element="M1" pad="A3"/>
<contactref element="JP2" pad="1"/>
</signal>
<signal name="N$38">
<contactref element="M1" pad="A2"/>
<contactref element="JP2" pad="2"/>
</signal>
<signal name="N$39">
<contactref element="M1" pad="A1"/>
<contactref element="JP2" pad="3"/>
</signal>
<signal name="N$40">
<contactref element="M1" pad="A0"/>
<contactref element="JP2" pad="4"/>
</signal>
<signal name="N$5">
<contactref element="M1" pad="SDA"/>
<contactref element="JP1" pad="2"/>
</signal>
<signal name="N$7">
<contactref element="M1" pad="SCL"/>
<contactref element="JP1" pad="3"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
