<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="9.5.2">
<drawing>
<board>
<plain>
<wire x1="0" y1="0" x2="71.12" y2="0" width="0.1524" layer="20"/>
<wire x1="71.12" y1="0" x2="71.12" y2="38.1" width="0.1524" layer="20"/>
<wire x1="71.12" y1="38.1" x2="0" y2="38.1" width="0.1524" layer="20"/>
<wire x1="0" y1="38.1" x2="0" y2="0" width="0.1524" layer="20"/>
<text>I2C 32 Switch Input Board</text>
<text>dcity.org</text>
<text>I2C 32 Switch Input Board</text>
<text>dcity.org</text>
<text>Rev: B</text>
<text>Rev: B</text>
<text>GND</text>
<text>VCC</text>
<text>SDA</text>
<text>SCL</text>
<text>SCL</text>
<text>SDA</text>
<text>A2</text>
<text>A1</text>
<hole x="3.175" y="34.925" drill="3.175"/>
<hole x="3.175" y="3.175" drill="3.175"/>
<hole x="67.945" y="3.175" drill="3.175"/>
<hole x="67.945" y="34.925" drill="3.175"/>
<text>G</text>
<text>G</text>
<text>G</text>
<text>1</text>
<text>1</text>
<text>1</text>
<text>1</text>
<text>G</text>
<text>G</text>
<text>G</text>
<text>G</text>
<text>G</text>
<text>INT</text>
<text>3</text>
<text>5</text>
<text>7</text>
<text>2</text>
<text>4</text>
<text>6</text>
<text>8</text>
<text>3</text>
<text>5</text>
<text>7</text>
<text>2</text>
<text>4</text>
<text>6</text>
<text>8</text>
<text>3</text>
<text>5</text>
<text>7</text>
<text>2</text>
<text>4</text>
<text>6</text>
<text>8</text>
<text>3</text>
<text>5</text>
<text>7</text>
<text>2</text>
<text>4</text>
<text>6</text>
<text>6</text>
<text>8</text>
</plain>
<libraries>
<library name="0">
<packages>
<package name="21-0056C_20_MXM">
</package>
<package name="JST04_1MM_RA">
<description>&lt;h3&gt;SMD- 4 Pin Right Angle &lt;/h3&gt;
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count:4&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_04&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</description>
</package>
<package name="0805-POL">
</package>
<package name="CAP-0805">
</package>
<package name="RES-0805">
</package>
<package name="SOT340-1_NXP">
</package>
<package name="2X20">
</package>
<package name="SJ_2S">
<description>Small solder jumper with big paste layer so it will short during reflow.</description>
</package>
<package name="1X04_LOCK">
</package>
<package name="OSHW-LOGO-S">
</package>
<package name="FIDUCIAL_1MM">
</package>
<package name="1X02_LOCK">
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="U3" library="0" package="21-0056C_20_MXM" value="MAX6818EAP+T">
<attribute name="BUILT_BY" value="EMA_UL_Team"/>
<attribute name="MANUFACTURER_PART_NUMBER" value="max6818eap+T"/>
<attribute name="NAME"/>
<attribute name="REVISION" value="1"/>
<attribute name="SOURCELIBRARY" value="Maxim_2014-06-20"/>
<attribute name="VENDOR" value="Maxim Integrated Products"/>
</element>
<element name="U4" library="0" package="21-0056C_20_MXM" value="MAX6818EAP+T">
<attribute name="BUILT_BY" value="EMA_UL_Team"/>
<attribute name="MANUFACTURER_PART_NUMBER" value="max6818eap+T"/>
<attribute name="NAME"/>
<attribute name="REVISION" value="1"/>
<attribute name="SOURCELIBRARY" value="Maxim_2014-06-20"/>
<attribute name="VENDOR" value="Maxim Integrated Products"/>
</element>
<element name="U5" library="0" package="21-0056C_20_MXM" value="MAX6818EAP+T">
<attribute name="BUILT_BY" value="EMA_UL_Team"/>
<attribute name="MANUFACTURER_PART_NUMBER" value="max6818eap+T"/>
<attribute name="NAME"/>
<attribute name="REVISION" value="1"/>
<attribute name="SOURCELIBRARY" value="Maxim_2014-06-20"/>
<attribute name="VENDOR" value="Maxim Integrated Products"/>
</element>
<element name="U6" library="0" package="21-0056C_20_MXM" value="MAX6818EAP+T">
<attribute name="BUILT_BY" value="EMA_UL_Team"/>
<attribute name="MANUFACTURER_PART_NUMBER" value="max6818eap+T"/>
<attribute name="NAME"/>
<attribute name="REVISION" value="1"/>
<attribute name="SOURCELIBRARY" value="Maxim_2014-06-20"/>
<attribute name="VENDOR" value="Maxim Integrated Products"/>
</element>
<element name="J1" library="0" package="JST04_1MM_RA" value="QWIIC_RIGHT_ANGLE">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="CONN-13694"/>
</element>
<element name="J2" library="0" package="JST04_1MM_RA" value="QWIIC_RIGHT_ANGLE">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="CONN-13694"/>
</element>
<element name="C1" library="0" package="0805-POL" value="10u">
<attribute name="NAME"/>
</element>
<element name="C2" library="0" package="CAP-0805" value=".1u">
<attribute name="NAME"/>
</element>
<element name="C3" library="0" package="CAP-0805" value=".1u">
<attribute name="NAME"/>
</element>
<element name="C4" library="0" package="CAP-0805" value=".1u">
<attribute name="NAME"/>
</element>
<element name="C5" library="0" package="CAP-0805" value=".1u">
<attribute name="NAME"/>
</element>
<element name="R1" library="0" package="RES-0805" value="10k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R2" library="0" package="RES-0805" value="10k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R3" library="0" package="RES-0805" value="10k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R4" library="0" package="RES-0805" value="10k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="U1" library="0" package="SOT340-1_NXP" value="PCF8575TS/1">
<attribute name="BUILT_BY" value="EMA_UL_Team"/>
<attribute name="MANUFACTURER_PART_NUMBER" value="PCF8575TS/1"/>
<attribute name="NAME"/>
<attribute name="SOURCELIBRARY" value="NXP_2011-11-10"/>
<attribute name="VENDOR" value="NXP"/>
</element>
<element name="U2" library="0" package="SOT340-1_NXP" value="PCF8575TS/1">
<attribute name="BUILT_BY" value="EMA_UL_Team"/>
<attribute name="MANUFACTURER_PART_NUMBER" value="PCF8575TS/1"/>
<attribute name="NAME"/>
<attribute name="SOURCELIBRARY" value="NXP_2011-11-10"/>
<attribute name="VENDOR" value="NXP"/>
</element>
<element name="J3" library="0" package="2X20" value="M20X2">
<attribute name="NAME"/>
</element>
<element name="SJ1" library="0" package="SJ_2S" value="SOLDERJUMPERNC">
<attribute name="NAME"/>
</element>
<element name="SJ2" library="0" package="SJ_2S" value="SOLDERJUMPERNC">
<attribute name="NAME"/>
</element>
<element name="SJ3" library="0" package="SJ_2S" value="SOLDERJUMPERNC">
<attribute name="NAME"/>
</element>
<element name="SJ4" library="0" package="SJ_2S" value="SOLDERJUMPERNC">
<attribute name="NAME"/>
</element>
<element name="C6" library="0" package="CAP-0805" value=".1u">
<attribute name="NAME"/>
</element>
<element name="C7" library="0" package="CAP-0805" value=".1u">
<attribute name="NAME"/>
</element>
<element name="J4" library="0" package="1X04_LOCK" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="J5" library="0" package="1X04_LOCK" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="U$3" library="0" package="OSHW-LOGO-S" value=""/>
<element name="U$2" library="0" package="FIDUCIAL_1MM" value="FIDUCIAL"/>
<element name="U$4" library="0" package="FIDUCIAL_1MM" value="FIDUCIAL"/>
<element name="J6" library="0" package="1X02_LOCK" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
</elements>
<signals>
<signal name="GND">
<contactref element="U5" pad="10"/>
<contactref element="J3" pad="1"/>
<contactref element="U5" pad="1"/>
<contactref element="U6" pad="10"/>
<contactref element="U6" pad="1"/>
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<contactref element="J1" pad="1"/>
<contactref element="J2" pad="1"/>
<contactref element="U1" pad="12"/>
<contactref element="C1" pad="-"/>
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<contactref element="C6" pad="2"/>
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<contactref element="C4" pad="2"/>
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<contactref element="C2" pad="2"/>
<contactref element="SJ3" pad="1"/>
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<contactref element="U1" pad="21"/>
<contactref element="J4" pad="1"/>
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<contactref element="J3" pad="32"/>
<contactref element="J6" pad="2"/>
</signal>
<signal name="INA1">
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</signal>
<signal name="INA2">
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<contactref element="U3" pad="3"/>
<contactref element="J4" pad="3"/>
</signal>
<signal name="INA3">
<contactref element="J3" pad="5"/>
<contactref element="U3" pad="4"/>
<contactref element="J5" pad="2"/>
</signal>
<signal name="INA4">
<contactref element="J3" pad="6"/>
<contactref element="U3" pad="5"/>
<contactref element="J5" pad="3"/>
</signal>
<signal name="INA5">
<contactref element="J3" pad="7"/>
<contactref element="U3" pad="6"/>
</signal>
<signal name="INA6">
<contactref element="J3" pad="8"/>
<contactref element="U3" pad="7"/>
</signal>
<signal name="INA7">
<contactref element="J3" pad="9"/>
<contactref element="U3" pad="8"/>
</signal>
<signal name="INA8">
<contactref element="J3" pad="10"/>
<contactref element="U3" pad="9"/>
</signal>
<signal name="INB1">
<contactref element="J3" pad="13"/>
<contactref element="U4" pad="2"/>
</signal>
<signal name="INB2">
<contactref element="J3" pad="14"/>
<contactref element="U4" pad="3"/>
</signal>
<signal name="INB3">
<contactref element="J3" pad="15"/>
<contactref element="U4" pad="4"/>
</signal>
<signal name="INB4">
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<contactref element="U4" pad="5"/>
</signal>
<signal name="INB5">
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<contactref element="U4" pad="6"/>
</signal>
<signal name="INB6">
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<contactref element="U4" pad="7"/>
</signal>
<signal name="INB7">
<contactref element="J3" pad="19"/>
<contactref element="U4" pad="8"/>
</signal>
<signal name="INB8">
<contactref element="J3" pad="20"/>
<contactref element="U4" pad="9"/>
</signal>
<signal name="INC1">
<contactref element="J3" pad="23"/>
<contactref element="U5" pad="2"/>
</signal>
<signal name="INC2">
<contactref element="J3" pad="24"/>
<contactref element="U5" pad="3"/>
</signal>
<signal name="INC3">
<contactref element="J3" pad="25"/>
<contactref element="U5" pad="4"/>
</signal>
<signal name="INC4">
<contactref element="J3" pad="26"/>
<contactref element="U5" pad="5"/>
</signal>
<signal name="INC5">
<contactref element="J3" pad="27"/>
<contactref element="U5" pad="6"/>
</signal>
<signal name="INC6">
<contactref element="J3" pad="28"/>
<contactref element="U5" pad="7"/>
</signal>
<signal name="INC7">
<contactref element="J3" pad="29"/>
<contactref element="U5" pad="8"/>
</signal>
<signal name="INC8">
<contactref element="J3" pad="30"/>
<contactref element="U5" pad="9"/>
</signal>
<signal name="IND1">
<contactref element="J3" pad="33"/>
<contactref element="U6" pad="2"/>
</signal>
<signal name="IND2">
<contactref element="J3" pad="34"/>
<contactref element="U6" pad="3"/>
</signal>
<signal name="IND3">
<contactref element="J3" pad="35"/>
<contactref element="U6" pad="4"/>
</signal>
<signal name="IND4">
<contactref element="J3" pad="36"/>
<contactref element="U6" pad="5"/>
</signal>
<signal name="IND5">
<contactref element="J3" pad="37"/>
<contactref element="U6" pad="6"/>
</signal>
<signal name="IND6">
<contactref element="J3" pad="38"/>
<contactref element="U6" pad="7"/>
</signal>
<signal name="IND7">
<contactref element="J3" pad="39"/>
<contactref element="U6" pad="8"/>
</signal>
<signal name="IND8">
<contactref element="J3" pad="40"/>
<contactref element="U6" pad="9"/>
</signal>
<signal name="N$1">
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<contactref element="U1" pad="20"/>
</signal>
<signal name="N$2">
<contactref element="U4" pad="13"/>
<contactref element="U1" pad="19"/>
</signal>
<signal name="N$3">
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</signal>
<signal name="N$4">
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<contactref element="U1" pad="17"/>
</signal>
<signal name="N$5">
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<contactref element="U1" pad="16"/>
</signal>
<signal name="N$6">
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<contactref element="U1" pad="15"/>
</signal>
<signal name="N$7">
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<contactref element="U1" pad="14"/>
</signal>
<signal name="N$8">
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<contactref element="U1" pad="13"/>
</signal>
<signal name="N$9">
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<contactref element="U1" pad="11"/>
</signal>
<signal name="N$10">
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<contactref element="U1" pad="10"/>
</signal>
<signal name="N$11">
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</signal>
<signal name="N$12">
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<signal name="N$13">
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<signal name="N$14">
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<contactref element="U1" pad="6"/>
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<signal name="N$15">
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</signal>
<signal name="N$16">
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</signal>
<signal name="N$17">
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<signal name="N$18">
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<signal name="N$19">
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<contactref element="U2" pad="6"/>
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<signal name="N$20">
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<signal name="N$21">
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<signal name="N$22">
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</signal>
<signal name="N$23">
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<contactref element="U2" pad="10"/>
</signal>
<signal name="N$24">
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</signal>
<signal name="N$25">
<contactref element="U6" pad="12"/>
<contactref element="U2" pad="20"/>
</signal>
<signal name="N$26">
<contactref element="U2" pad="19"/>
<contactref element="U6" pad="13"/>
</signal>
<signal name="N$27">
<contactref element="U6" pad="14"/>
<contactref element="U2" pad="18"/>
</signal>
<signal name="N$28">
<contactref element="U2" pad="17"/>
<contactref element="U6" pad="15"/>
</signal>
<signal name="N$29">
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<signal name="N$30">
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</signal>
<signal name="N$31">
<contactref element="U6" pad="18"/>
<contactref element="U2" pad="14"/>
</signal>
<signal name="N$32">
<contactref element="U2" pad="13"/>
<contactref element="U6" pad="19"/>
</signal>
<signal name="SCL">
<contactref element="J2" pad="4"/>
<contactref element="J1" pad="4"/>
<contactref element="U2" pad="22"/>
<contactref element="U1" pad="22"/>
<contactref element="SJ1" pad="1"/>
</signal>
<signal name="SDA">
<contactref element="J2" pad="3"/>
<contactref element="J1" pad="3"/>
<contactref element="U2" pad="23"/>
<contactref element="U1" pad="23"/>
<contactref element="SJ2" pad="1"/>
</signal>
<signal name="VCC">
<contactref element="J2" pad="2"/>
<contactref element="J1" pad="2"/>
<contactref element="U2" pad="24"/>
<contactref element="U1" pad="24"/>
<contactref element="C1" pad="+"/>
<contactref element="C7" pad="1"/>
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<contactref element="C4" pad="1"/>
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<contactref element="R1" pad="2"/>
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<contactref element="U3" pad="20"/>
<contactref element="U4" pad="20"/>
<contactref element="U5" pad="20"/>
<contactref element="U6" pad="20"/>
</signal>
<signal name="ADDR1">
<contactref element="U2" pad="2"/>
<contactref element="SJ3" pad="2"/>
<contactref element="R3" pad="1"/>
<contactref element="U1" pad="2"/>
</signal>
<signal name="ADDR2">
<contactref element="U2" pad="3"/>
<contactref element="R4" pad="1"/>
<contactref element="SJ4" pad="2"/>
<contactref element="U1" pad="3"/>
</signal>
<signal name="N$33">
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<contactref element="R1" pad="1"/>
</signal>
<signal name="N$34">
<contactref element="SJ2" pad="2"/>
<contactref element="R2" pad="1"/>
</signal>
<signal name="N$35">
<contactref element="J6" pad="1"/>
<contactref element="U2" pad="1"/>
<contactref element="U1" pad="1"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
