<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
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<description>&lt;b&gt;Pin Header Connectors&lt;/b&gt;&lt;p&gt;
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<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
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<description>PIN HEADER</description>
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<deviceset name="PINHD-1X3" urn="urn:adsk.eagle:component:22524/3" prefix="JP" uservalue="yes" library_version="3">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
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<device name="" package="1X03">
<connects>
<connect gate="A" pin="1" pad="1"/>
<connect gate="A" pin="2" pad="2"/>
<connect gate="A" pin="3" pad="3"/>
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<technology name=""/>
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<connects>
<connect gate="A" pin="1" pad="1"/>
<connect gate="A" pin="2" pad="2"/>
<connect gate="A" pin="3" pad="3"/>
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<package3dinstance package3d_urn="urn:adsk.eagle:package:22459/2"/>
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<technology name=""/>
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</device>
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</deviceset>
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</library>
<library name="fab">
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<package name="CSP-4PIN">
<description>Knowles SPU0414HR5H-SB

MEMS microphone, SiSonic series</description>
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<smd name="P$1" x="0.855" y="1.215" dx="0.8" dy="0.8" layer="1" roundness="100"/>
<smd name="P$4" x="-0.85" y="1.23" dx="0.8" dy="0.8" layer="1" roundness="100"/>
<wire x1="-1.475" y1="1.88" x2="1.475" y2="1.88" width="0.127" layer="51"/>
<wire x1="1.475" y1="1.88" x2="1.475" y2="-1.88" width="0.127" layer="51"/>
<wire x1="1.475" y1="-1.88" x2="-1.475" y2="-1.88" width="0.127" layer="51"/>
<wire x1="-1.475" y1="-1.88" x2="-1.475" y2="1.88" width="0.127" layer="51"/>
<circle x="0" y="0.7" radius="0.3" width="0.127" layer="51"/>
</package>
<package name="C1206">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;</description>
<wire x1="-2.473" y1="0.983" x2="2.473" y2="0.983" width="0.0508" layer="39"/>
<wire x1="2.473" y1="-0.983" x2="-2.473" y2="-0.983" width="0.0508" layer="39"/>
<wire x1="-2.473" y1="-0.983" x2="-2.473" y2="0.983" width="0.0508" layer="39"/>
<wire x1="2.473" y1="0.983" x2="2.473" y2="-0.983" width="0.0508" layer="39"/>
<wire x1="-0.965" y1="0.787" x2="0.965" y2="0.787" width="0.1016" layer="51"/>
<wire x1="-0.965" y1="-0.787" x2="0.965" y2="-0.787" width="0.1016" layer="51"/>
<smd name="1" x="-1.4" y="0" dx="1.6" dy="1.8" layer="1"/>
<smd name="2" x="1.4" y="0" dx="1.6" dy="1.8" layer="1"/>
<text x="-1.27" y="1.27" size="1.27" layer="25">&gt;NAME</text>
<text x="-1.27" y="-2.54" size="1.27" layer="27">&gt;VALUE</text>
<rectangle x1="-1.7018" y1="-0.8509" x2="-0.9517" y2="0.8491" layer="51"/>
<rectangle x1="0.9517" y1="-0.8491" x2="1.7018" y2="0.8509" layer="51"/>
<rectangle x1="-0.1999" y1="-0.4001" x2="0.1999" y2="0.4001" layer="35"/>
</package>
<package name="C1206FAB">
<wire x1="-2.032" y1="1.016" x2="2.032" y2="1.016" width="0.127" layer="21"/>
<wire x1="2.032" y1="1.016" x2="2.032" y2="-1.016" width="0.127" layer="21"/>
<wire x1="2.032" y1="-1.016" x2="-2.032" y2="-1.016" width="0.127" layer="21"/>
<wire x1="-2.032" y1="-1.016" x2="-2.032" y2="1.016" width="0.127" layer="21"/>
<smd name="1" x="-1.651" y="0" dx="1.27" dy="1.905" layer="1"/>
<smd name="2" x="1.651" y="0" dx="1.27" dy="1.905" layer="1"/>
<text x="-1.778" y="1.27" size="1.016" layer="25" ratio="15">&gt;NAME</text>
<text x="-1.778" y="-2.286" size="1.016" layer="27" ratio="15">&gt;VALUE</text>
</package>
<package name="C2220">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;</description>
<wire x1="-3.743" y1="2.253" x2="3.743" y2="2.253" width="0.0508" layer="39"/>
<wire x1="3.743" y1="-2.253" x2="-3.743" y2="-2.253" width="0.0508" layer="39"/>
<wire x1="-3.743" y1="-2.253" x2="-3.743" y2="2.253" width="0.0508" layer="39"/>
<wire x1="3.743" y1="2.253" x2="3.743" y2="-2.253" width="0.0508" layer="39"/>
<smd name="1" x="-2.794" y="0" dx="2.032" dy="5.334" layer="1"/>
<smd name="2" x="2.794" y="0" dx="2.032" dy="5.334" layer="1"/>
<text x="-2.54" y="2.54" size="1.27" layer="25">&gt;NAME</text>
<text x="-2.54" y="-3.81" size="1.27" layer="27">&gt;VALUE</text>
<rectangle x1="-2.9718" y1="-0.8509" x2="-2.2217" y2="0.8491" layer="51"/>
<rectangle x1="2.2217" y1="-0.8491" x2="2.9718" y2="0.8509" layer="51"/>
</package>
<package name="SOT23">
<description>&lt;b&gt;SOT 23&lt;/b&gt;</description>
<wire x1="1.4224" y1="0.6604" x2="1.4224" y2="-0.6604" width="0.1524" layer="51"/>
<wire x1="1.4224" y1="-0.6604" x2="-1.4224" y2="-0.6604" width="0.1524" layer="51"/>
<wire x1="-1.4224" y1="-0.6604" x2="-1.4224" y2="0.6604" width="0.1524" layer="51"/>
<wire x1="-1.4224" y1="0.6604" x2="1.4224" y2="0.6604" width="0.1524" layer="51"/>
<wire x1="-1.4224" y1="-0.1524" x2="-1.4224" y2="0.6604" width="0.1524" layer="21"/>
<wire x1="-1.4224" y1="0.6604" x2="-0.8636" y2="0.6604" width="0.1524" layer="21"/>
<wire x1="1.4224" y1="0.6604" x2="1.4224" y2="-0.1524" width="0.1524" layer="21"/>
<wire x1="0.8636" y1="0.6604" x2="1.4224" y2="0.6604" width="0.1524" layer="21"/>
<smd name="3" x="0" y="1.1" dx="1" dy="1.4" layer="1"/>
<smd name="2" x="0.95" y="-1.1" dx="1" dy="1.4" layer="1"/>
<smd name="1" x="-0.95" y="-1.1" dx="1" dy="1.4" layer="1"/>
<text x="-1.905" y="1.905" size="1.27" layer="25">&gt;NAME</text>
<text x="-1.905" y="-3.175" size="1.27" layer="27">&gt;VALUE</text>
<rectangle x1="-0.2286" y1="0.7112" x2="0.2286" y2="1.2954" layer="51"/>
<rectangle x1="0.7112" y1="-1.2954" x2="1.1684" y2="-0.7112" layer="51"/>
<rectangle x1="-1.1684" y1="-1.2954" x2="-0.7112" y2="-0.7112" layer="51"/>
</package>
<package name="R1206">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;</description>
<wire x1="0.9525" y1="-0.8128" x2="-0.9652" y2="-0.8128" width="0.1524" layer="51"/>
<wire x1="0.9525" y1="0.8128" x2="-0.9652" y2="0.8128" width="0.1524" layer="51"/>
<wire x1="-2.473" y1="0.983" x2="2.473" y2="0.983" width="0.0508" layer="39"/>
<wire x1="2.473" y1="0.983" x2="2.473" y2="-0.983" width="0.0508" layer="39"/>
<wire x1="2.473" y1="-0.983" x2="-2.473" y2="-0.983" width="0.0508" layer="39"/>
<wire x1="-2.473" y1="-0.983" x2="-2.473" y2="0.983" width="0.0508" layer="39"/>
<smd name="2" x="1.422" y="0" dx="1.6" dy="1.803" layer="1"/>
<smd name="1" x="-1.422" y="0" dx="1.6" dy="1.803" layer="1"/>
<text x="-1.27" y="1.27" size="1.27" layer="25">&gt;NAME</text>
<text x="-1.27" y="-2.54" size="1.27" layer="27">&gt;VALUE</text>
<rectangle x1="-1.6891" y1="-0.8763" x2="-0.9525" y2="0.8763" layer="51"/>
<rectangle x1="0.9525" y1="-0.8763" x2="1.6891" y2="0.8763" layer="51"/>
<rectangle x1="-0.3" y1="-0.7" x2="0.3" y2="0.7" layer="35"/>
</package>
<package name="R1206W">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
wave soldering</description>
<wire x1="-0.913" y1="0.8" x2="0.888" y2="0.8" width="0.1524" layer="51"/>
<wire x1="-0.913" y1="-0.8" x2="0.888" y2="-0.8" width="0.1524" layer="51"/>
<wire x1="-2.473" y1="0.983" x2="2.473" y2="0.983" width="0.0508" layer="39"/>
<wire x1="2.473" y1="0.983" x2="2.473" y2="-0.983" width="0.0508" layer="39"/>
<wire x1="2.473" y1="-0.983" x2="-2.473" y2="-0.983" width="0.0508" layer="39"/>
<wire x1="-2.473" y1="-0.983" x2="-2.473" y2="0.983" width="0.0508" layer="39"/>
<smd name="1" x="-1.499" y="0" dx="1.8" dy="1.2" layer="1"/>
<smd name="2" x="1.499" y="0" dx="1.8" dy="1.2" layer="1"/>
<text x="-1.905" y="1.27" size="1.27" layer="25">&gt;NAME</text>
<text x="-1.905" y="-2.54" size="1.27" layer="27">&gt;VALUE</text>
<rectangle x1="-1.651" y1="-0.8763" x2="-0.9009" y2="0.8738" layer="51"/>
<rectangle x1="0.889" y1="-0.8763" x2="1.6391" y2="0.8738" layer="51"/>
<rectangle x1="-0.3" y1="-0.7" x2="0.3" y2="0.7" layer="35"/>
</package>
<package name="R1206FAB">
<wire x1="-2.032" y1="1.016" x2="2.032" y2="1.016" width="0.127" layer="21"/>
<wire x1="2.032" y1="1.016" x2="2.032" y2="-1.016" width="0.127" layer="21"/>
<wire x1="2.032" y1="-1.016" x2="-2.032" y2="-1.016" width="0.127" layer="21"/>
<wire x1="-2.032" y1="-1.016" x2="-2.032" y2="1.016" width="0.127" layer="21"/>
<smd name="1" x="-1.651" y="0" dx="1.27" dy="1.905" layer="1"/>
<smd name="2" x="1.651" y="0" dx="1.27" dy="1.905" layer="1"/>
<text x="-1.778" y="1.27" size="1.016" layer="25" ratio="15">&gt;NAME</text>
<text x="-1.778" y="-2.286" size="1.016" layer="27" ratio="15">&gt;VALUE</text>
</package>
</packages>
<symbols>
<symbol name="MEMS_MIC_ANALOG">
<description>Knowles SPU0414HR5H-SB

Amplified SiSonic (TM) Microphone</description>
<wire x1="-15.24" y1="10.16" x2="-15.24" y2="-10.16" width="0.254" layer="94"/>
<wire x1="-15.24" y1="-10.16" x2="-12.7" y2="-10.16" width="0.254" layer="94"/>
<wire x1="-12.7" y1="-10.16" x2="-5.08" y2="-10.16" width="0.254" layer="94"/>
<wire x1="-5.08" y1="-10.16" x2="15.24" y2="-10.16" width="0.254" layer="94"/>
<wire x1="15.24" y1="-10.16" x2="15.24" y2="2.54" width="0.254" layer="94"/>
<wire x1="15.24" y1="2.54" x2="15.24" y2="10.16" width="0.254" layer="94"/>
<wire x1="15.24" y1="10.16" x2="-12.7" y2="10.16" width="0.254" layer="94"/>
<circle x="-10.16" y="0" radius="2.54" width="0.254" layer="94"/>
<wire x1="-12.7" y1="10.16" x2="-15.24" y2="10.16" width="0.254" layer="94"/>
<wire x1="-10.16" y1="7.62" x2="-10.16" y2="2.54" width="0.254" layer="94"/>
<wire x1="-10.16" y1="7.62" x2="-12.7" y2="10.16" width="0.254" layer="94"/>
<wire x1="-2.54" y1="2.54" x2="2.54" y2="2.54" width="0.254" layer="94"/>
<wire x1="2.54" y1="5.08" x2="2.54" y2="2.54" width="0.254" layer="94"/>
<wire x1="2.54" y1="2.54" x2="2.54" y2="-2.54" width="0.254" layer="94"/>
<wire x1="2.54" y1="-2.54" x2="2.54" y2="-5.08" width="0.254" layer="94"/>
<wire x1="2.54" y1="-5.08" x2="10.16" y2="0" width="0.254" layer="94"/>
<wire x1="10.16" y1="0" x2="2.54" y2="5.08" width="0.254" layer="94"/>
<pin name="OUT" x="20.32" y="2.54" length="middle" rot="R180"/>
<pin name="GND" x="-12.7" y="-15.24" length="middle" rot="R90"/>
<pin name="GAIN" x="-5.08" y="-15.24" length="middle" rot="R90"/>
<pin name="VDD" x="-12.7" y="15.24" length="middle" rot="R270"/>
<wire x1="-10.16" y1="-2.54" x2="-10.16" y2="-7.62" width="0.254" layer="94"/>
<wire x1="-10.16" y1="-7.62" x2="-12.7" y2="-10.16" width="0.254" layer="94"/>
<wire x1="2.54" y1="-2.54" x2="0" y2="-2.54" width="0.254" layer="94"/>
<wire x1="0" y1="-2.54" x2="-2.54" y2="-2.54" width="0.254" layer="94"/>
<wire x1="10.16" y1="0" x2="12.7" y2="0" width="0.254" layer="94"/>
<wire x1="12.7" y1="0" x2="15.24" y2="2.54" width="0.254" layer="94"/>
<wire x1="10.16" y1="0" x2="10.16" y2="-7.62" width="0.254" layer="94"/>
<wire x1="0" y1="-2.54" x2="0" y2="-7.62" width="0.254" layer="94"/>
<wire x1="5.08" y1="-7.62" x2="0" y2="-7.62" width="0.254" layer="94"/>
<wire x1="-2.54" y1="-2.54" x2="-2.54" y2="-7.62" width="1.016" layer="94"/>
<wire x1="5.08" y1="-7.62" x2="10.16" y2="-7.62" width="1.016" layer="94"/>
<wire x1="-2.54" y1="-7.62" x2="-5.08" y2="-10.16" width="0.254" layer="94"/>
<wire x1="-2.54" y1="2.54" x2="-5.08" y2="0" width="0.254" layer="94"/>
<wire x1="-5.08" y1="0" x2="-7.62" y2="0" width="0.254" layer="94"/>
<text x="-9.906" y="10.922" size="1.778" layer="94">&gt;NAME</text>
</symbol>
<symbol name="CAP-NONPOLARIZED">
<description>non-polarized capacitor</description>
<wire x1="-1.778" y1="1.524" x2="-1.778" y2="0" width="0.254" layer="94"/>
<wire x1="-1.778" y1="0" x2="-1.778" y2="-1.524" width="0.254" layer="94"/>
<wire x1="-0.762" y1="1.524" x2="-0.762" y2="0" width="0.254" layer="94"/>
<wire x1="-0.762" y1="0" x2="-0.762" y2="-1.524" width="0.254" layer="94"/>
<wire x1="-2.54" y1="0" x2="-1.778" y2="0" width="0.1524" layer="94"/>
<wire x1="-0.762" y1="0" x2="0" y2="0" width="0.1524" layer="94"/>
<text x="-3.81" y="2.54" size="1.778" layer="95">&gt;NAME</text>
<text x="-3.81" y="-3.81" size="1.778" layer="96">&gt;VALUE</text>
<pin name="1" x="-5.08" y="0" visible="off" length="short" direction="pas" swaplevel="1"/>
<pin name="2" x="2.54" y="0" visible="off" length="short" direction="pas" swaplevel="1" rot="R180"/>
</symbol>
<symbol name="REGULATOR">
<wire x1="-6.35" y1="5.08" x2="-6.35" y2="2.54" width="0.4064" layer="94"/>
<wire x1="-6.35" y1="2.54" x2="-6.35" y2="-1.27" width="0.4064" layer="94"/>
<wire x1="-6.35" y1="-1.27" x2="0" y2="-1.27" width="0.4064" layer="94"/>
<wire x1="0" y1="-1.27" x2="6.35" y2="-1.27" width="0.4064" layer="94"/>
<wire x1="6.35" y1="-1.27" x2="6.35" y2="2.54" width="0.4064" layer="94"/>
<wire x1="6.35" y1="2.54" x2="6.35" y2="5.08" width="0.4064" layer="94"/>
<wire x1="6.35" y1="5.08" x2="-6.35" y2="5.08" width="0.4064" layer="94"/>
<wire x1="-7.62" y1="2.54" x2="-6.35" y2="2.54" width="0.254" layer="94"/>
<wire x1="0" y1="-1.27" x2="0" y2="-2.54" width="0.254" layer="94"/>
<wire x1="6.35" y1="2.54" x2="7.62" y2="2.54" width="0.254" layer="94"/>
<text x="-6.35" y="-3.81" size="1.27" layer="95">&gt;NAME</text>
<text x="1.27" y="-3.81" size="1.27" layer="96">&gt;VALUE</text>
<pin name="IN" x="-7.62" y="2.54" length="point"/>
<pin name="GND" x="0" y="-2.54" length="point" rot="R90"/>
<pin name="OUT" x="7.62" y="2.54" length="point" rot="R180"/>
</symbol>
<symbol name="R-US">
<wire x1="-2.54" y1="0" x2="-2.159" y2="1.016" width="0.2032" layer="94"/>
<wire x1="-2.159" y1="1.016" x2="-1.524" y2="-1.016" width="0.2032" layer="94"/>
<wire x1="-1.524" y1="-1.016" x2="-0.889" y2="1.016" width="0.2032" layer="94"/>
<wire x1="-0.889" y1="1.016" x2="-0.254" y2="-1.016" width="0.2032" layer="94"/>
<wire x1="-0.254" y1="-1.016" x2="0.381" y2="1.016" width="0.2032" layer="94"/>
<wire x1="0.381" y1="1.016" x2="1.016" y2="-1.016" width="0.2032" layer="94"/>
<wire x1="1.016" y1="-1.016" x2="1.651" y2="1.016" width="0.2032" layer="94"/>
<wire x1="1.651" y1="1.016" x2="2.286" y2="-1.016" width="0.2032" layer="94"/>
<wire x1="2.286" y1="-1.016" x2="2.54" y2="0" width="0.2032" layer="94"/>
<text x="-3.81" y="1.4986" size="1.778" layer="95">&gt;NAME</text>
<text x="-3.81" y="-3.302" size="1.778" layer="96">&gt;VALUE</text>
<pin name="2" x="5.08" y="0" visible="off" length="short" direction="pas" swaplevel="1" rot="R180"/>
<pin name="1" x="-5.08" y="0" visible="off" length="short" direction="pas" swaplevel="1"/>
</symbol>
</symbols>
<devicesets>
<deviceset name="MEMS_MIC_SPU0414HR5H-SB">
<gates>
<gate name="G$1" symbol="MEMS_MIC_ANALOG" x="2.54" y="0"/>
</gates>
<devices>
<device name="" package="CSP-4PIN">
<connects>
<connect gate="G$1" pin="GAIN" pad="P$3"/>
<connect gate="G$1" pin="GND" pad="P$2"/>
<connect gate="G$1" pin="OUT" pad="P$4"/>
<connect gate="G$1" pin="VDD" pad="P$1"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
<deviceset name="CAP-UNPOLARIZED" prefix="C" uservalue="yes">
<gates>
<gate name="&gt;NAME" symbol="CAP-NONPOLARIZED" x="0" y="0"/>
</gates>
<devices>
<device name="" package="C1206">
<connects>
<connect gate="&gt;NAME" pin="1" pad="1"/>
<connect gate="&gt;NAME" pin="2" pad="2"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
<device name="FAB" package="C1206FAB">
<connects>
<connect gate="&gt;NAME" pin="1" pad="1"/>
<connect gate="&gt;NAME" pin="2" pad="2"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
<device name="2220" package="C2220">
<connects>
<connect gate="&gt;NAME" pin="1" pad="1"/>
<connect gate="&gt;NAME" pin="2" pad="2"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
<deviceset name="REGULATOR" prefix="IC" uservalue="yes">
<gates>
<gate name="G$1" symbol="REGULATOR" x="0" y="0"/>
</gates>
<devices>
<device name="SOT23" package="SOT23">
<connects>
<connect gate="G$1" pin="GND" pad="3"/>
<connect gate="G$1" pin="IN" pad="2"/>
<connect gate="G$1" pin="OUT" pad="1"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
<deviceset name="RES-US" prefix="R" uservalue="yes">
<description>&lt;b&gt;Resistor (US Symbol)&lt;/b&gt;
&lt;p&gt;
Variants with postfix FAB are widened to allow the routing of internal traces</description>
<gates>
<gate name="G$1" symbol="R-US" x="0" y="0"/>
</gates>
<devices>
<device name="1206" package="R1206">
<connects>
<connect gate="G$1" pin="1" pad="1"/>
<connect gate="G$1" pin="2" pad="2"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
<device name="1206W" package="R1206W">
<connects>
<connect gate="G$1" pin="1" pad="1"/>
<connect gate="G$1" pin="2" pad="2"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
<device name="1206FAB" package="R1206FAB">
<connects>
<connect gate="G$1" pin="1" pad="1"/>
<connect gate="G$1" pin="2" pad="2"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
</devicesets>
</library>
<library name="supply1" urn="urn:adsk.eagle:library:371">
<description>&lt;b&gt;Supply Symbols&lt;/b&gt;&lt;p&gt;
 GND, VCC, 0V, +5V, -5V, etc.&lt;p&gt;
 Please keep in mind, that these devices are necessary for the
 automatic wiring of the supply signals.&lt;p&gt;
 The pin name defined in the symbol is identical to the net which is to be wired automatically.&lt;p&gt;
 In this library the device names are the same as the pin names of the symbols, therefore the correct signal names appear next to the supply symbols in the schematic.&lt;p&gt;
 &lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
</packages>
<symbols>
<symbol name="GND" urn="urn:adsk.eagle:symbol:26925/1" library_version="1">
<wire x1="-1.905" y1="0" x2="1.905" y2="0" width="0.254" layer="94"/>
<text x="-2.54" y="-2.54" size="1.778" layer="96">&gt;VALUE</text>
<pin name="GND" x="0" y="2.54" visible="off" length="short" direction="sup" rot="R270"/>
</symbol>
</symbols>
<devicesets>
<deviceset name="GND" urn="urn:adsk.eagle:component:26954/1" prefix="GND" library_version="1">
<description>&lt;b&gt;SUPPLY SYMBOL&lt;/b&gt;</description>
<gates>
<gate name="1" symbol="GND" x="0" y="0"/>
</gates>
<devices>
<device name="">
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
</devicesets>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<classes>
<class number="0" name="default" width="0" drill="0">
</class>
</classes>
<parts>
<part name="JP1" library="pinhead" library_urn="urn:adsk.eagle:library:325" deviceset="PINHD-1X3" device="" package3d_urn="urn:adsk.eagle:package:22458/2"/>
<part name="U$1" library="fab" deviceset="MEMS_MIC_SPU0414HR5H-SB" device=""/>
<part name="C1" library="fab" deviceset="CAP-UNPOLARIZED" device="FAB" value="10uF"/>
<part name="C2" library="fab" deviceset="CAP-UNPOLARIZED" device="FAB" value="0.1uF"/>
<part name="C3" library="fab" deviceset="CAP-UNPOLARIZED" device="FAB" value="0.1uF"/>
<part name="IC1" library="fab" deviceset="REGULATOR" device="SOT23" value="3.3V"/>
<part name="R1" library="fab" deviceset="RES-US" device="1206FAB" value="1k"/>
<part name="GND1" library="supply1" library_urn="urn:adsk.eagle:library:371" deviceset="GND" device=""/>
<part name="GND2" library="supply1" library_urn="urn:adsk.eagle:library:371" deviceset="GND" device=""/>
<part name="GND3" library="supply1" library_urn="urn:adsk.eagle:library:371" deviceset="GND" device=""/>
<part name="GND4" library="supply1" library_urn="urn:adsk.eagle:library:371" deviceset="GND" device=""/>
<part name="GND5" library="supply1" library_urn="urn:adsk.eagle:library:371" deviceset="GND" device=""/>
</parts>
<sheets>
<sheet>
<plain>
</plain>
<instances>
<instance part="JP1" gate="A" x="76.2" y="63.5" smashed="yes" rot="R180">
<attribute name="NAME" x="82.55" y="57.785" size="1.778" layer="95" rot="R180"/>
<attribute name="VALUE" x="82.55" y="71.12" size="1.778" layer="96" rot="R180"/>
</instance>
<instance part="U$1" gate="G$1" x="-22.86" y="81.28" smashed="yes">
<attribute name="NAME" x="-32.766" y="92.202" size="1.778" layer="94"/>
</instance>
<instance part="C1" gate="&gt;NAME" x="-27.94" y="55.88" smashed="yes" rot="R270">
<attribute name="NAME" x="-25.4" y="59.69" size="1.778" layer="95" rot="R270"/>
<attribute name="VALUE" x="-31.75" y="59.69" size="1.778" layer="96" rot="R270"/>
</instance>
<instance part="C2" gate="&gt;NAME" x="-45.72" y="78.74" smashed="yes" rot="R270">
<attribute name="NAME" x="-43.18" y="82.55" size="1.778" layer="95" rot="R270"/>
<attribute name="VALUE" x="-49.53" y="82.55" size="1.778" layer="96" rot="R270"/>
</instance>
<instance part="C3" gate="&gt;NAME" x="43.18" y="58.42" smashed="yes" rot="R270">
<attribute name="NAME" x="45.72" y="62.23" size="1.778" layer="95" rot="R270"/>
<attribute name="VALUE" x="39.37" y="62.23" size="1.778" layer="96" rot="R270"/>
</instance>
<instance part="IC1" gate="G$1" x="40.64" y="30.48" smashed="yes" rot="R180">
<attribute name="NAME" x="46.99" y="34.29" size="1.27" layer="95" rot="R180"/>
<attribute name="VALUE" x="39.37" y="34.29" size="1.27" layer="96" rot="R180"/>
</instance>
<instance part="R1" gate="G$1" x="17.78" y="83.82" smashed="yes">
<attribute name="NAME" x="13.97" y="85.3186" size="1.778" layer="95"/>
<attribute name="VALUE" x="13.97" y="80.518" size="1.778" layer="96"/>
</instance>
<instance part="GND1" gate="1" x="-35.56" y="50.8" smashed="yes">
<attribute name="VALUE" x="-38.1" y="48.26" size="1.778" layer="96"/>
</instance>
<instance part="GND2" gate="1" x="-27.94" y="43.18" smashed="yes">
<attribute name="VALUE" x="-30.48" y="40.64" size="1.778" layer="96"/>
</instance>
<instance part="GND3" gate="1" x="17.78" y="33.02" smashed="yes">
<attribute name="VALUE" x="15.24" y="30.48" size="1.778" layer="96"/>
</instance>
<instance part="GND4" gate="1" x="43.18" y="45.72" smashed="yes">
<attribute name="VALUE" x="40.64" y="43.18" size="1.778" layer="96"/>
</instance>
<instance part="GND5" gate="1" x="60.96" y="53.34" smashed="yes">
<attribute name="VALUE" x="58.42" y="50.8" size="1.778" layer="96"/>
</instance>
</instances>
<busses>
</busses>
<nets>
<net name="VDD" class="0">
<segment>
<wire x1="33.02" y1="27.94" x2="-53.34" y2="27.94" width="0.1524" layer="91"/>
<wire x1="-53.34" y1="27.94" x2="-53.34" y2="101.6" width="0.1524" layer="91"/>
<pinref part="U$1" gate="G$1" pin="VDD"/>
<wire x1="-53.34" y1="101.6" x2="-35.56" y2="101.6" width="0.1524" layer="91"/>
<wire x1="-35.56" y1="101.6" x2="-35.56" y2="99.06" width="0.1524" layer="91"/>
<pinref part="IC1" gate="G$1" pin="OUT"/>
<wire x1="-35.56" y1="99.06" x2="-35.56" y2="96.52" width="0.1524" layer="91"/>
<junction x="-35.56" y="99.06"/>
<pinref part="C2" gate="&gt;NAME" pin="1"/>
<wire x1="-45.72" y1="83.82" x2="-45.72" y2="99.06" width="0.1524" layer="91"/>
<wire x1="-45.72" y1="99.06" x2="-35.56" y2="99.06" width="0.1524" layer="91"/>
<label x="25.4" y="27.94" size="1.778" layer="95"/>
</segment>
</net>
<net name="N$3" class="0">
<segment>
<pinref part="U$1" gate="G$1" pin="GAIN"/>
<pinref part="C1" gate="&gt;NAME" pin="1"/>
<wire x1="-27.94" y1="66.04" x2="-27.94" y2="60.96" width="0.1524" layer="91"/>
</segment>
</net>
<net name="VIN" class="0">
<segment>
<pinref part="IC1" gate="G$1" pin="IN"/>
<wire x1="48.26" y1="27.94" x2="48.26" y2="33.02" width="0.1524" layer="91"/>
<wire x1="48.26" y1="33.02" x2="73.66" y2="33.02" width="0.1524" layer="91"/>
<pinref part="JP1" gate="A" pin="1"/>
<wire x1="73.66" y1="33.02" x2="73.66" y2="60.96" width="0.1524" layer="91"/>
<wire x1="73.66" y1="60.96" x2="78.74" y2="60.96" width="0.1524" layer="91"/>
<label x="60.96" y="35.56" size="1.778" layer="95"/>
</segment>
</net>
<net name="OUT" class="0">
<segment>
<pinref part="JP1" gate="A" pin="2"/>
<wire x1="78.74" y1="63.5" x2="73.66" y2="63.5" width="0.1524" layer="91"/>
<wire x1="73.66" y1="63.5" x2="73.66" y2="83.82" width="0.1524" layer="91"/>
<wire x1="22.86" y1="83.82" x2="43.18" y2="83.82" width="0.1524" layer="91"/>
<pinref part="R1" gate="G$1" pin="2"/>
<junction x="43.18" y="83.82"/>
<wire x1="43.18" y1="83.82" x2="73.66" y2="83.82" width="0.1524" layer="91"/>
<wire x1="43.18" y1="83.82" x2="43.18" y2="63.5" width="0.1524" layer="91"/>
<pinref part="C3" gate="&gt;NAME" pin="1"/>
<label x="58.42" y="83.82" size="1.778" layer="95"/>
</segment>
</net>
<net name="N$5" class="0">
<segment>
<pinref part="U$1" gate="G$1" pin="OUT"/>
<wire x1="-2.54" y1="83.82" x2="12.7" y2="83.82" width="0.1524" layer="91"/>
<pinref part="R1" gate="G$1" pin="1"/>
</segment>
</net>
<net name="GND" class="0">
<segment>
<pinref part="IC1" gate="G$1" pin="GND"/>
<wire x1="40.64" y1="33.02" x2="40.64" y2="40.64" width="0.1524" layer="91"/>
<wire x1="40.64" y1="40.64" x2="17.78" y2="40.64" width="0.1524" layer="91"/>
<wire x1="17.78" y1="40.64" x2="17.78" y2="35.56" width="0.1524" layer="91"/>
<label x="30.48" y="40.64" size="1.778" layer="95"/>
<pinref part="GND3" gate="1" pin="GND"/>
</segment>
<segment>
<pinref part="U$1" gate="G$1" pin="GND"/>
<wire x1="-35.56" y1="66.04" x2="-35.56" y2="60.96" width="0.1524" layer="91"/>
<wire x1="-35.56" y1="60.96" x2="-35.56" y2="53.34" width="0.1524" layer="91"/>
<junction x="-35.56" y="60.96"/>
<pinref part="C2" gate="&gt;NAME" pin="2"/>
<wire x1="-45.72" y1="76.2" x2="-45.72" y2="60.96" width="0.1524" layer="91"/>
<wire x1="-45.72" y1="60.96" x2="-35.56" y2="60.96" width="0.1524" layer="91"/>
<pinref part="GND1" gate="1" pin="GND"/>
</segment>
<segment>
<pinref part="C1" gate="&gt;NAME" pin="2"/>
<wire x1="-27.94" y1="53.34" x2="-27.94" y2="45.72" width="0.1524" layer="91"/>
<pinref part="GND2" gate="1" pin="GND"/>
</segment>
<segment>
<pinref part="C3" gate="&gt;NAME" pin="2"/>
<wire x1="43.18" y1="55.88" x2="43.18" y2="48.26" width="0.1524" layer="91"/>
<pinref part="GND4" gate="1" pin="GND"/>
</segment>
<segment>
<pinref part="JP1" gate="A" pin="3"/>
<wire x1="78.74" y1="66.04" x2="60.96" y2="66.04" width="0.1524" layer="91"/>
<wire x1="60.96" y1="66.04" x2="60.96" y2="55.88" width="0.1524" layer="91"/>
<pinref part="GND5" gate="1" pin="GND"/>
</segment>
</net>
</nets>
</sheet>
</sheets>
</schematic>
</drawing>
<compatibility>
<note version="8.2" severity="warning">
Since Version 8.2, EAGLE supports online libraries. The ids
of those online libraries will not be understood (or retained)
with this version.
</note>
<note version="8.3" severity="warning">
Since Version 8.3, EAGLE supports URNs for individual library
assets (packages, symbols, and devices). The URNs of those assets
will not be understood (or retained) with this version.
</note>
<note version="8.3" severity="warning">
Since Version 8.3, EAGLE supports the association of 3D packages
with devices in libraries, schematics, and board files. Those 3D
packages will not be understood (or retained) with this version.
</note>
</compatibility>
</eagle>
