<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="9.1.3">
<drawing>
<settings>
<setting alwaysvectorfont="no"/>
<setting keepoldvectorfont="yes"/>
<setting verticaltext="up"/>
</settings>
<grid distance="50" unitdist="mil" unit="mm" style="lines" multiple="1" display="yes" altdistance="5" altunitdist="mil" altunit="mm"/>
<layers>
<layer number="1" name="Top" color="4" fill="1" visible="yes" active="yes"/>
<layer number="2" name="Route2" color="1" fill="3" visible="no" active="yes"/>
<layer number="3" name="Route3" color="4" fill="3" visible="no" active="yes"/>
<layer number="4" name="Route4" color="1" fill="4" visible="no" active="yes"/>
<layer number="5" name="Route5" color="4" fill="4" visible="no" active="yes"/>
<layer number="6" name="Route6" color="1" fill="8" visible="no" active="yes"/>
<layer number="7" name="Route7" color="4" fill="8" visible="no" active="yes"/>
<layer number="8" name="Route8" color="1" fill="2" visible="no" active="yes"/>
<layer number="9" name="Route9" color="4" fill="2" visible="no" active="yes"/>
<layer number="10" name="Route10" color="1" fill="7" visible="no" active="yes"/>
<layer number="11" name="Route11" color="4" fill="7" visible="no" active="yes"/>
<layer number="12" name="Route12" color="1" fill="5" visible="no" active="yes"/>
<layer number="13" name="Route13" color="4" fill="5" visible="no" active="yes"/>
<layer number="14" name="Route14" color="1" fill="6" visible="no" active="yes"/>
<layer number="15" name="Route15" color="4" fill="6" visible="no" active="yes"/>
<layer number="16" name="Bottom" color="1" fill="1" visible="yes" active="yes"/>
<layer number="17" name="Pads" color="2" fill="1" visible="yes" active="yes"/>
<layer number="18" name="Vias" color="2" fill="1" visible="yes" active="yes"/>
<layer number="19" name="Unrouted" color="6" fill="1" visible="yes" active="yes"/>
<layer number="20" name="Dimension" color="15" fill="1" visible="yes" active="yes"/>
<layer number="21" name="tPlace" color="7" fill="1" visible="yes" active="yes"/>
<layer number="22" name="bPlace" color="7" fill="1" visible="yes" active="yes"/>
<layer number="23" name="tOrigins" color="15" fill="1" visible="yes" active="yes"/>
<layer number="24" name="bOrigins" color="15" fill="1" visible="yes" active="yes"/>
<layer number="25" name="tNames" color="7" fill="1" visible="yes" active="yes"/>
<layer number="26" name="bNames" color="7" fill="1" visible="yes" active="yes"/>
<layer number="27" name="tValues" color="7" fill="1" visible="yes" active="yes"/>
<layer number="28" name="bValues" color="7" fill="1" visible="yes" active="yes"/>
<layer number="29" name="tStop" color="7" fill="3" visible="no" active="yes"/>
<layer number="30" name="bStop" color="7" fill="6" visible="no" active="yes"/>
<layer number="31" name="tCream" color="7" fill="4" visible="no" active="yes"/>
<layer number="32" name="bCream" color="7" fill="5" visible="no" active="yes"/>
<layer number="33" name="tFinish" color="6" fill="3" visible="no" active="yes"/>
<layer number="34" name="bFinish" color="6" fill="6" visible="no" active="yes"/>
<layer number="35" name="tGlue" color="7" fill="4" visible="no" active="yes"/>
<layer number="36" name="bGlue" color="7" fill="5" visible="no" active="yes"/>
<layer number="37" name="tTest" color="7" fill="1" visible="no" active="yes"/>
<layer number="38" name="bTest" color="7" fill="1" visible="no" active="yes"/>
<layer number="39" name="tKeepout" color="4" fill="11" visible="yes" active="yes"/>
<layer number="40" name="bKeepout" color="1" fill="11" visible="yes" active="yes"/>
<layer number="41" name="tRestrict" color="4" fill="10" visible="yes" active="yes"/>
<layer number="42" name="bRestrict" color="1" fill="10" visible="yes" active="yes"/>
<layer number="43" name="vRestrict" color="2" fill="10" visible="yes" active="yes"/>
<layer number="44" name="Drills" color="7" fill="1" visible="no" active="yes"/>
<layer number="45" name="Holes" color="7" fill="1" visible="yes" active="yes"/>
<layer number="46" name="Milling" color="3" fill="1" visible="no" active="yes"/>
<layer number="47" name="Measures" color="7" fill="1" visible="no" active="yes"/>
<layer number="48" name="Document" color="7" fill="1" visible="yes" active="yes"/>
<layer number="49" name="Reference" color="7" fill="1" visible="yes" active="yes"/>
<layer number="50" name="dxf" color="7" fill="1" visible="yes" active="yes"/>
<layer number="51" name="tDocu" color="7" fill="1" visible="yes" active="yes"/>
<layer number="52" name="bDocu" color="7" fill="1" visible="yes" active="yes"/>
<layer number="53" name="tGND_GNDA" color="7" fill="9" visible="no" active="no"/>
<layer number="54" name="bGND_GNDA" color="1" fill="9" visible="no" active="no"/>
<layer number="56" name="wert" color="7" fill="1" visible="yes" active="yes"/>
<layer number="91" name="Nets" color="2" fill="1" visible="yes" active="yes"/>
<layer number="92" name="Busses" color="1" fill="1" visible="yes" active="yes"/>
<layer number="93" name="Pins" color="2" fill="1" visible="yes" active="yes"/>
<layer number="94" name="Symbols" color="4" fill="1" visible="yes" active="yes"/>
<layer number="95" name="Names" color="7" fill="1" visible="yes" active="yes"/>
<layer number="96" name="Values" color="7" fill="1" visible="yes" active="yes"/>
<layer number="97" name="Info" color="7" fill="1" visible="yes" active="yes"/>
<layer number="98" name="Guide" color="6" fill="1" visible="yes" active="yes"/>
<layer number="100" name="Muster" color="7" fill="1" visible="no" active="no"/>
<layer number="101" name="Patch_Top" color="12" fill="4" visible="yes" active="yes"/>
<layer number="102" name="Vscore" color="7" fill="1" visible="yes" active="yes"/>
<layer number="103" name="tMap" color="7" fill="1" visible="yes" active="yes"/>
<layer number="104" name="Name" color="16" fill="1" visible="yes" active="yes"/>
<layer number="105" name="tPlate" color="7" fill="1" visible="yes" active="yes"/>
<layer number="106" name="bPlate" color="7" fill="1" visible="yes" active="yes"/>
<layer number="107" name="Crop" color="7" fill="1" visible="yes" active="yes"/>
<layer number="116" name="Patch_BOT" color="9" fill="4" visible="yes" active="yes"/>
<layer number="121" name="_tsilk" color="7" fill="1" visible="yes" active="yes"/>
<layer number="122" name="_bsilk" color="7" fill="1" visible="yes" active="yes"/>
<layer number="125" name="_tNames" color="7" fill="1" visible="yes" active="yes"/>
<layer number="144" name="Drill_legend" color="7" fill="1" visible="yes" active="yes"/>
<layer number="151" name="HeatSink" color="7" fill="1" visible="yes" active="yes"/>
<layer number="200" name="200bmp" color="1" fill="10" visible="yes" active="yes"/>
<layer number="201" name="201bmp" color="2" fill="10" visible="yes" active="yes"/>
<layer number="202" name="202bmp" color="3" fill="10" visible="yes" active="yes"/>
<layer number="203" name="203bmp" color="4" fill="10" visible="yes" active="yes"/>
<layer number="204" name="204bmp" color="5" fill="10" visible="yes" active="yes"/>
<layer number="205" name="205bmp" color="6" fill="10" visible="yes" active="yes"/>
<layer number="206" name="206bmp" color="7" fill="10" visible="yes" active="yes"/>
<layer number="207" name="207bmp" color="8" fill="10" visible="yes" active="yes"/>
<layer number="208" name="208bmp" color="9" fill="10" visible="yes" active="yes"/>
<layer number="209" name="209bmp" color="7" fill="1" visible="yes" active="yes"/>
<layer number="210" name="210bmp" color="7" fill="1" visible="yes" active="yes"/>
<layer number="211" name="211bmp" color="7" fill="1" visible="yes" active="yes"/>
<layer number="212" name="212bmp" color="7" fill="1" visible="yes" active="yes"/>
<layer number="213" name="213bmp" color="7" fill="1" visible="yes" active="yes"/>
<layer number="214" name="214bmp" color="7" fill="1" visible="yes" active="yes"/>
<layer number="215" name="215bmp" color="7" fill="1" visible="yes" active="yes"/>
<layer number="216" name="216bmp" color="7" fill="1" visible="yes" active="yes"/>
<layer number="250" name="Descript" color="3" fill="1" visible="no" active="no"/>
<layer number="251" name="SMDround" color="12" fill="11" visible="no" active="no"/>
<layer number="254" name="cooling" color="7" fill="1" visible="yes" active="yes"/>
</layers>
<library>
<packages>
<package name="MQ">
<text x="-2.54" y="-10.16" size="1.27" layer="21">&gt;NAME</text>
<circle x="0" y="0" radius="8.4" width="0.1" layer="21"/>
<hole x="0" y="0" drill="3"/>
<circle x="0" y="0" radius="8.4" width="0.1" layer="21"/>
<pad name="HA" x="-4.75" y="0" drill="1.016" diameter="2.1844"/>
<pad name="HB" x="4.75" y="0" drill="1.016" diameter="2.1844"/>
<pad name="A1" x="-3.35" y="3.35" drill="1.016" diameter="2.1844"/>
<pad name="A2" x="-3.35" y="-3.35" drill="1.016" diameter="2.1844"/>
<pad name="B2" x="3.35" y="-3.35" drill="1.016" diameter="2.1844"/>
<pad name="B1" x="3.35" y="3.35" drill="1.016" diameter="2.1844"/>
<hole x="0" y="0" drill="3"/>
</package>
</packages>
<symbols>
<symbol name="GASSENSORE">
<wire x1="7.62" y1="5.08" x2="7.62" y2="-5.08" width="0.254" layer="94"/>
<wire x1="7.62" y1="-5.08" x2="-7.62" y2="-5.08" width="0.254" layer="94"/>
<wire x1="-7.62" y1="-5.08" x2="-7.62" y2="5.08" width="0.254" layer="94"/>
<wire x1="-7.62" y1="5.08" x2="7.62" y2="5.08" width="0.254" layer="94"/>
<text x="-5.08" y="-7.62" size="1.778" layer="94">&gt;name</text>
<pin name="R" x="12.7" y="2.54" length="middle" rot="R180"/>
<pin name="GND" x="12.7" y="0" length="middle" rot="R180"/>
<pin name="OUT" x="12.7" y="-2.54" length="middle" rot="R180"/>
<pin name="VCC" x="-12.7" y="2.54" length="middle"/>
<pin name="VCC1" x="-12.7" y="0" length="middle"/>
<pin name="VCC2" x="-12.7" y="-2.54" length="middle"/>
</symbol>
</symbols>
<devicesets>
<deviceset name="MQ" prefix="MQ">
<description>GAS SENSOR</description>
<gates>
<gate name="G$1" symbol="GASSENSORE" x="0" y="0"/>
</gates>
<devices>
<device name="&quot;" package="MQ">
<connects>
<connect gate="G$1" pin="GND" pad="HB"/>
<connect gate="G$1" pin="OUT" pad="B1"/>
<connect gate="G$1" pin="R" pad="B2"/>
<connect gate="G$1" pin="VCC" pad="A1"/>
<connect gate="G$1" pin="VCC1" pad="A2"/>
<connect gate="G$1" pin="VCC2" pad="HA"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
</devicesets>
</library>
</drawing>
</eagle>
