<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="6.4">
<drawing>
<board>
<plain>
<wire x1="0" y1="0" x2="39.04" y2="0" width="0.1524" layer="20"/>
<wire x1="39.04" y1="0" x2="39.04" y2="54.6" width="0.1524" layer="20"/>
<wire x1="39.04" y1="54.6" x2="0" y2="54.6" width="0.1524" layer="20"/>
<wire x1="0" y1="54.6" x2="0" y2="0" width="0.1524" layer="20"/>
<hole x="25.4" y="17.78" drill="2.8"/>
</plain>
<libraries>
<library name="microchip">
<description>&lt;b&gt;Microchip PIC Microcontrollers and other Devices&lt;/b&gt;&lt;p&gt;
Based on the following sources :
&lt;ul&gt;
&lt;li&gt;Microchip Data Book, 1993
&lt;li&gt;THE EMERGING WORLD STANDARD, 1995/1996
&lt;li&gt;Microchip, Technical Library CD-ROM, June 1998
&lt;li&gt;www.microchip.com
&lt;/ul&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="DIL28-3">
<description>&lt;B&gt;Dual In Line&lt;/B&gt;&lt;p&gt;
package type P</description>
</package>
</packages>
</library>
<library name="adafruit">
<packages>
<package name="DIL18">
<description>&lt;B&gt;Dual In Line&lt;/B&gt;&lt;p&gt;
package type P</description>
</package>
<package name="1X08-BIG">
</package>
<package name="1X18-BIG">
</package>
</packages>
</library>
<library name="con-lsta">
<description>&lt;b&gt;Female Headers etc.&lt;/b&gt;&lt;p&gt;
Naming:&lt;p&gt;
FE = female&lt;p&gt;
# contacts - # rows&lt;p&gt;
W = angled&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="FE13-2">
<description>&lt;b&gt;FEMALE HEADER&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="resistor-net">
<description>&lt;b&gt;Generic Resistor Networks&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="RN-9">
<description>&lt;b&gt;RESISTOR NETWORK&lt;/b&gt;</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="IC1" library="microchip" package="DIL28-3" value="MCP23017SP">
<attribute name="OC_NEWARK" value="31K2959"/>
<attribute name="MPN" value="MCP23017-E/SP"/>
<attribute name="MF" value="MICROCHIP"/>
<attribute name="OC_FARNELL" value="1332088"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="IC2" library="adafruit" package="DIL18" value="MCP2300X/P">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="P1" library="con-lsta" package="FE13-2" value="">
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="P2" library="adafruit" package="1X08-BIG" value="P2">
<attribute name="VALUE"/>
</element>
<element name="P4" library="adafruit" package="1X18-BIG" value=""/>
<element name="RN1" library="resistor-net" package="RN-9" value="10K">
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
<attribute name="NAME"/>
</element>
<element name="RN2" library="resistor-net" package="RN-9" value="">
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
</element>
<element name="RN3" library="resistor-net" package="RN-9" value="">
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
</element>
</elements>
<signals>
<signal name="GND">
<contactref element="IC1" pad="10"/>
<contactref element="IC2" pad="9"/>
<contactref element="IC2" pad="9"/>
<contactref element="IC1" pad="15"/>
<contactref element="IC1" pad="16"/>
<contactref element="IC1" pad="17"/>
<contactref element="IC1" pad="10"/>
<contactref element="IC2" pad="4"/>
<contactref element="IC2" pad="3"/>
<contactref element="P1" pad="5"/>
<contactref element="P4" pad="1"/>
</signal>
<signal name="SDA">
<contactref element="IC2" pad="2"/>
<contactref element="IC1" pad="13"/>
<contactref element="P1" pad="4"/>
</signal>
<signal name="SCL">
<contactref element="IC2" pad="1"/>
<contactref element="IC1" pad="12"/>
<contactref element="P1" pad="6"/>
</signal>
<signal name="+5V">
<contactref element="IC2" pad="18"/>
<contactref element="IC2" pad="6"/>
<contactref element="IC2" pad="5"/>
<contactref element="IC1" pad="18"/>
<contactref element="IC1" pad="9"/>
<contactref element="P1" pad="1"/>
<contactref element="P4" pad="2"/>
<contactref element="RN1" pad="1"/>
<contactref element="RN2" pad="1"/>
<contactref element="RN3" pad="1"/>
</signal>
<signal name="GPA0">
<contactref element="IC1" pad="21"/>
<contactref element="P4" pad="3"/>
<contactref element="RN2" pad="2"/>
</signal>
<signal name="GPA1">
<contactref element="IC1" pad="22"/>
<contactref element="P4" pad="4"/>
<contactref element="RN2" pad="3"/>
</signal>
<signal name="GPA2">
<contactref element="IC1" pad="23"/>
<contactref element="P4" pad="5"/>
<contactref element="RN2" pad="4"/>
</signal>
<signal name="GPA3">
<contactref element="IC1" pad="24"/>
<contactref element="P4" pad="6"/>
<contactref element="RN2" pad="5"/>
</signal>
<signal name="GPA4">
<contactref element="IC1" pad="25"/>
<contactref element="P4" pad="7"/>
<contactref element="RN2" pad="6"/>
</signal>
<signal name="GPA6">
<contactref element="IC1" pad="27"/>
<contactref element="P4" pad="9"/>
<contactref element="RN2" pad="8"/>
</signal>
<signal name="GPA7">
<contactref element="IC1" pad="28"/>
<contactref element="P4" pad="10"/>
<contactref element="RN2" pad="9"/>
</signal>
<signal name="GPB0">
<contactref element="IC1" pad="1"/>
<contactref element="P4" pad="18"/>
<contactref element="RN3" pad="2"/>
</signal>
<signal name="GPB1">
<contactref element="IC1" pad="2"/>
<contactref element="P4" pad="17"/>
<contactref element="RN3" pad="3"/>
</signal>
<signal name="GPB2">
<contactref element="IC1" pad="3"/>
<contactref element="P4" pad="16"/>
<contactref element="RN3" pad="4"/>
</signal>
<signal name="GPB3">
<contactref element="IC1" pad="4"/>
<contactref element="P4" pad="15"/>
<contactref element="RN3" pad="5"/>
</signal>
<signal name="GPB4">
<contactref element="IC1" pad="5"/>
<contactref element="P4" pad="14"/>
<contactref element="RN3" pad="6"/>
</signal>
<signal name="GPB5">
<contactref element="IC1" pad="6"/>
<contactref element="P4" pad="13"/>
<contactref element="RN3" pad="7"/>
</signal>
<signal name="GPB6">
<contactref element="IC1" pad="7"/>
<contactref element="P4" pad="12"/>
<contactref element="RN3" pad="8"/>
</signal>
<signal name="GPB7">
<contactref element="IC1" pad="8"/>
<contactref element="P4" pad="11"/>
<contactref element="RN3" pad="9"/>
</signal>
<signal name="GP0">
<contactref element="IC2" pad="10"/>
<contactref element="P2" pad="1"/>
<contactref element="RN1" pad="9"/>
</signal>
<signal name="GP1">
<contactref element="IC2" pad="11"/>
<contactref element="P2" pad="2"/>
<contactref element="RN1" pad="8"/>
</signal>
<signal name="GP2">
<contactref element="IC2" pad="12"/>
<contactref element="P2" pad="3"/>
<contactref element="RN1" pad="7"/>
</signal>
<signal name="GP3">
<contactref element="IC2" pad="13"/>
<contactref element="P2" pad="4"/>
<contactref element="RN1" pad="6"/>
</signal>
<signal name="GP4">
<contactref element="IC2" pad="14"/>
<contactref element="P2" pad="5"/>
<contactref element="RN1" pad="5"/>
</signal>
<signal name="GP5">
<contactref element="IC2" pad="15"/>
<contactref element="P2" pad="6"/>
<contactref element="RN1" pad="4"/>
</signal>
<signal name="GP6">
<contactref element="IC2" pad="16"/>
<contactref element="P2" pad="7"/>
<contactref element="RN1" pad="3"/>
</signal>
<signal name="GP7">
<contactref element="IC2" pad="17"/>
<contactref element="P2" pad="8"/>
<contactref element="RN1" pad="2"/>
</signal>
<signal name="GPA5">
<contactref element="IC1" pad="26"/>
<contactref element="P4" pad="8"/>
<contactref element="RN2" pad="7"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
