<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="9.7.0">
<drawing>
<board>
<plain>
<wire x1="0" y1="0" x2="324.45218030124124" y2="0" width="0" layer="20"/>
<wire x1="324.45218030124124" y1="0" x2="324.45218030124124" y2="119.94308919535001" width="0" layer="20"/>
<wire x1="324.45218030124124" y1="119.94308919535001" x2="0" y2="119.94308919535001" width="0" layer="20"/>
<wire x1="0" y1="119.94308919535001" x2="0" y2="0" width="0" layer="20"/>
</plain>
<libraries>
<library name="Tinkercad">
<packages>
<package name="ARDUINO-UNO-R3-SHIELD"><description>&lt;h3&gt;Arduino Uno-Compatible Footprint&lt;/h3&gt;
No holes, no ICSP connections.
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count: 32&lt;/li&gt;
&lt;li&gt;Pin pitch: 0.1"&lt;/li&gt;
&lt;li&gt;Area:2.1x2.35"&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;
&lt;p&gt;Example device(s):
&lt;ul&gt;&lt;li&gt;Arduino Uno R3 Shield&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</description></package>
<package name="RESAD1016W63L850D250B"><description>Axial Resistor, 10.16 mm pitch, 8.50 mm body length, 2.50 mm body diameter
 &lt;p&gt;Axial Resistor package with 10.16 mm pitch (lead spacing), 0.63 mm lead diameter, 8.50 mm body length and 2.50 mm body diameter&lt;/p&gt;</description></package>
<package name="LEDRD254W60D565H860B"><description>Radial LED (Round), 2.54 mm pitch, 5.65 mm body diameter, 8.60 mm body height
&lt;p&gt;Radial LED (Round) package with 2.54 mm pitch (lead spacing), 0.60 mm lead width, 0.50 mm lead thickness, 5.65 mm body diameter and 8.60 mm body height&lt;/p&gt;</description></package>
<package name="SWITCH-SPDT-PTH-8.5X3.7MM"></package>
<package name="JHD-162A"><description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description></package>
<package name="BATTERY-GENERIC"></package>
<package name="MOTOR"></package>
<package name="LEDRD254W60D565H860B_G"><description>Radial LED (Round), 2.54 mm pitch, 5.65 mm body diameter, 8.60 mm body height
&lt;p&gt;Radial LED (Round) package with 2.54 mm pitch (lead spacing), 0.60 mm lead width, 0.50 mm lead thickness, 5.65 mm body diameter and 8.60 mm body height&lt;/p&gt;</description></package>
<package name="PIEZO"><description>Radial Non-Polarized Inductor, 7.00 mm pitch, 17.00 mm body diameter, 11.00 mm body height
 &lt;p&gt;Radial Non-Polarized Inductor package with 7.00 mm pitch (lead spacing), 0.80 mm lead diameter, 17.00 mm body diameter and 11.00 mm body height&lt;/p&gt;</description></package>
<package name="TO92"><description>&lt;b&gt;TO-92&lt;/b&gt;</description></package>
<package name="MQ-XX-SOCKET"></package>
</packages>
</library></libraries>
<attributes/>
<variantdefs/>
<elements>
<element name="R1" library="Tinkercad" package="RESAD1016W63L850D250B" value="1k"/>
<element name="D1" library="Tinkercad" package="LEDRD254W60D565H860B" value="RED">
<attribute name="CATEGORY" value="Opto-Electronic"/>
<attribute name="COLOR" value=""/>
<attribute name="DESCRIPTION" value=""/>
<attribute name="MANUFACTURER" value=""/>
<attribute name="MPN" value=""/>
<attribute name="OPERATING_TEMP" value=""/>
<attribute name="PART_STATUS" value=""/>
<attribute name="ROHS_COMPLIANT" value=""/>
<attribute name="SERIES" value=""/>
<attribute name="SUB-CATEGORY" value="LED"/>
<attribute name="THERMALLOSS" value=""/>
<attribute name="TYPE" value=""/>
<attribute name="VALUE" value="LED_RED"/>
</element>
<element name="D2" library="Tinkercad" package="LEDRD254W60D565H860B_G" value="GREEN">
<attribute name="CATEGORY" value="Opto-Electronic"/>
<attribute name="COLOR" value=""/>
<attribute name="DESCRIPTION" value=""/>
<attribute name="MANUFACTURER" value=""/>
<attribute name="MPN" value=""/>
<attribute name="OPERATING_TEMP" value=""/>
<attribute name="PART_STATUS" value=""/>
<attribute name="ROHS_COMPLIANT" value=""/>
<attribute name="SERIES" value=""/>
<attribute name="SUB-CATEGORY" value="LED"/>
<attribute name="THERMALLOSS" value=""/>
<attribute name="TYPE" value=""/>
<attribute name="VALUE" value="LED_GREEN"/>
</element>
<element name="R4" library="Tinkercad" package="RESAD1016W63L850D250B" value="1k"/>
<element name="R6" library="Tinkercad" package="RESAD1016W63L850D250B" value="220"/>
<element name="PIEZO1" library="Tinkercad" package="PIEZO" value="PIEZO"/>
<element name="S1" library="Tinkercad" package="SWITCH-SPDT-PTH-8.5X3.7MM" value="TOGGLE"/>
<element name="U3" library="Tinkercad" package="JHD-162A" value="LCD-16X2JHD-162A"/>
<element name="U1" library="Tinkercad" package="ARDUINO-UNO-R3-SHIELD" value="ARDUINO-UNO-R3-SHIELD"/>
<element name="U2" library="Tinkercad" package="TO92" value="TMP36GT9Z_TO92"/>
<element name="GAS2" library="Tinkercad" package="MQ-XX-SOCKET" value="GAS-SENSORMQ-XX-SOCKET"/>
<element name="S4" library="Tinkercad" package="SWITCH-SPDT-PTH-8.5X3.7MM" value="TOGGLE"/>
<element name="R7" library="Tinkercad" package="RESAD1016W63L850D250B" value="220"/>
<element name="M1" library="Tinkercad" package="MOTOR" value="MOTOR_HDR"/>
<element name="BAT3" library="Tinkercad" package="BATTERY-GENERIC" value="9V"/>
<element name="R2" library="Tinkercad" package="RESAD1016W63L850D250B" value="1k"/>
</elements>
<signals>
<signal name="U1_D13">
<contactref element="R1" pad="1"/>
<contactref element="R1" pad="2"/>
<contactref element="D1" pad="1"/>
<contactref element="U1" pad="D13"/>
</signal>
<signal name="U1_GND">
<contactref element="D1" pad="2"/>
<contactref element="U1" pad="GND@0"/>
<contactref element="U1" pad="GND@1"/>
<contactref element="U1" pad="GND@2"/>
<contactref element="PIEZO1" pad="2"/>
<contactref element="U3" pad="1"/>
<contactref element="R6" pad="2"/>
<contactref element="U3" pad="3"/>
<contactref element="U3" pad="5"/>
<contactref element="U2" pad="1"/>
<contactref element="D2" pad="2"/>
<contactref element="R2" pad="2"/>
<contactref element="GAS2" pad="2"/>
</signal>
<signal name="D2_A">
<contactref element="D2" pad="1"/>
<contactref element="R4" pad="2"/>
</signal>
<signal name="GAS2_B">
<contactref element="GAS2" pad="4"/>
<contactref element="GAS2" pad="6"/>
<contactref element="GAS2" pad="5"/>
<contactref element="U2" pad="3"/>
<contactref element="S1" pad="2"/>
<contactref element="R4" pad="1"/>
<contactref element="U3" pad="2"/>
<contactref element="U3" pad="15"/>
</signal>
<signal name="U3_LED-">
<contactref element="U3" pad="16"/>
<contactref element="R6" pad="1"/>
</signal>
<signal name="U1_D7">
<contactref element="U1" pad="D7"/>
<contactref element="PIEZO1" pad="1"/>
</signal>
<signal name="U1_5V">
<contactref element="U1" pad="5V"/>
<contactref element="S1" pad="1"/>
</signal>
<signal name="U1_D2">
<contactref element="U3" pad="14"/>
<contactref element="U1" pad="D2"/>
</signal>
<signal name="U1_D11">
<contactref element="U1" pad="D11"/>
<contactref element="U3" pad="6"/>
</signal>
<signal name="U1_D4">
<contactref element="U3" pad="13"/>
<contactref element="U1" pad="D4"/>
</signal>
<signal name="U1_D5">
<contactref element="U3" pad="12"/>
<contactref element="U1" pad="D5"/>
</signal>
<signal name="U1_D12">
<contactref element="U1" pad="D12"/>
<contactref element="U3" pad="4"/>
</signal>
<signal name="U1_D6">
<contactref element="U3" pad="11"/>
<contactref element="U1" pad="D6"/>
</signal>
<signal name="U1_A1">
<contactref element="U2" pad="2"/>
<contactref element="U1" pad="A1"/>
</signal>
<signal name="U1_A0">
<contactref element="U1" pad="A0"/>
<contactref element="GAS2" pad="1"/>
<contactref element="GAS2" pad="3"/>
<contactref element="R2" pad="1"/>
</signal>
<signal name="BAT3-">
<contactref element="S4" pad="2"/>
<contactref element="BAT3" pad="-"/>
</signal>
<signal name="S4_O">
<contactref element="R7" pad="2"/>
<contactref element="S4" pad="1"/>
</signal>
<signal name="M1_-">
<contactref element="R7" pad="1"/>
<contactref element="M1" pad="-"/>
</signal>
<signal name="BAT3+">
<contactref element="M1" pad="+"/>
<contactref element="BAT3" pad="+"/>
</signal>
</signals>
</board>
</drawing>
</eagle>