<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="6.5.0">
<drawing>
<board>
<plain>
<wire x1="5.08" y1="0" x2="82.22" y2="0" width="0" layer="20"/>
<wire x1="82.22" y1="0" x2="82.22" y2="81.27" width="0" layer="20"/>
<wire x1="82.22" y1="81.27" x2="5.08" y2="81.27" width="0" layer="20"/>
<wire x1="5.08" y1="81.27" x2="5.08" y2="0" width="0" layer="20"/>
<text>RC CAR 4/2 WHEEL DRIVE</text>
</plain>
<libraries>
<library name="Holtek_By_element14_Batch_1">
<description>Developed by element14 :&lt;br&gt;
element14 CAD Library consolidation.ulp
at 30/07/2012 09:39:13</description>
<packages>
<package name="DIP254P762X342-18">
</package>
</packages>
</library>
<library name="adafruit">
<packages>
<package name="0207/9">
</package>
<package name="LED5MM">
<description>&lt;B&gt;LED&lt;/B&gt;&lt;p&gt;
5 mm, round</description>
</package>
<package name="E3,5-8">
<description>&lt;b&gt;ELECTROLYTIC CAPACITOR&lt;/b&gt;&lt;p&gt;
grid 3.5 mm, diameter 8 mm</description>
</package>
<package name="EG1218">
</package>
</packages>
</library>
<library name="st-microelectronics">
<description>&lt;b&gt;ST Microelectronics Devices&lt;/b&gt;&lt;p&gt;
Microcontrollers,  I2C components, linear devices&lt;p&gt;
http://www.st.com&lt;p&gt;
&lt;i&gt;Include st-microelectronics-2.lbr, st-microelectronics-3.lbr.&lt;p&gt;&lt;/i&gt;

&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="DIL16">
<description>&lt;b&gt;Dual In Line Package&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="pinhead">
<description>&lt;b&gt;Pin Header Connectors&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="1X04">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
<package name="1X02">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="diode">
<description>&lt;b&gt;Diodes&lt;/b&gt;&lt;p&gt;
Based on the following sources:
&lt;ul&gt;
&lt;li&gt;Motorola : www.onsemi.com
&lt;li&gt;Fairchild : www.fairchildsemi.com
&lt;li&gt;Philips : www.semiconductors.com
&lt;li&gt;Vishay : www.vishay.de
&lt;/ul&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="DO41-10">
<description>&lt;B&gt;DIODE&lt;/B&gt;&lt;p&gt;
diameter 2.54 mm, horizontal, grid 10.16 mm</description>
</package>
</packages>
</library>
<library name="linear">
<description>&lt;b&gt;Linear Devices&lt;/b&gt;&lt;p&gt;
Operational amplifiers,  comparators, voltage regulators, ADCs, DACs, etc.&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="TO220H">
<description>&lt;b&gt;TO-220&lt;/b&gt;</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="U1" library="Holtek_By_element14_Batch_1" package="DIP254P762X342-18" value="HT12D">
<attribute name="PACKAGE" value="DIP-18"/>
<attribute name="OC_NEWARK" value="24M2761"/>
<attribute name="MPN" value="HT12D"/>
<attribute name="SUPPLIER" value="HOLTEK"/>
<attribute name="OC_FARNELL" value="1211514"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R1" library="adafruit" package="0207/9" value="1k"/>
<element name="R2" library="adafruit" package="0207/9" value="1k"/>
<element name="R3" library="adafruit" package="0207/9" value="51k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="IC1" library="st-microelectronics" package="DIL16" value="L293D">
<attribute name="OC_NEWARK" value="56P8249"/>
<attribute name="MPN" value="L293D"/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="9589619"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="TRANSMISSION" library="adafruit" package="LED5MM" value="blue">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="LED2" library="adafruit" package="LED5MM" value="white">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C1" library="adafruit" package="E3,5-8" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C2" library="adafruit" package="E3,5-8" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="RECEIVER" library="pinhead" package="1X04" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="VCC_GND" library="pinhead" package="1X04" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="LED3" library="adafruit" package="LED5MM" value="white">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="M1" library="pinhead" package="1X02" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="M2" library="pinhead" package="1X02" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="M3" library="pinhead" package="1X02" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="M4" library="pinhead" package="1X02" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="S1" library="adafruit" package="EG1218" value="">
<attribute name="NAME"/>
</element>
<element name="C3" library="adafruit" package="E3,5-8" value=""/>
<element name="C4" library="adafruit" package="E3,5-8" value=""/>
<element name="ON" library="adafruit" package="LED5MM" value="red"/>
<element name="R4" library="adafruit" package="0207/9" value="1k"/>
<element name="D3" library="diode" package="DO41-10" value="1N4004">
<attribute name="NAME"/>
</element>
<element name="D4" library="diode" package="DO41-10" value="1N4004">
<attribute name="NAME"/>
</element>
<element name="IC2" library="linear" package="TO220H" value="7805T"/>
</elements>
<signals>
<signal name="GND">
<contactref element="U1" pad="9"/>
<contactref element="RECEIVER" pad="4"/>
<contactref element="R2" pad="1"/>
<contactref element="IC1" pad="4"/>
<contactref element="IC1" pad="5"/>
<contactref element="IC1" pad="13"/>
<contactref element="IC1" pad="12"/>
<contactref element="VCC_GND" pad="3"/>
<contactref element="C3" pad="-"/>
<contactref element="C4" pad="-"/>
<contactref element="R4" pad="1"/>
<contactref element="C1" pad="-"/>
<contactref element="C2" pad="-"/>
<contactref element="IC2" pad="2"/>
</signal>
<signal name="VCC">
<contactref element="LED2" pad="A"/>
<contactref element="LED3" pad="A"/>
<contactref element="S1" pad="S"/>
</signal>
<signal name="DATAIN">
<contactref element="U1" pad="14"/>
<contactref element="RECEIVER" pad="3"/>
<contactref element="RECEIVER" pad="2"/>
</signal>
<signal name="N$3">
<contactref element="LED2" pad="K"/>
<contactref element="LED3" pad="K"/>
<contactref element="R2" pad="2"/>
</signal>
<signal name="16">
<contactref element="R3" pad="1"/>
<contactref element="U1" pad="16"/>
</signal>
<signal name="15">
<contactref element="R3" pad="2"/>
<contactref element="U1" pad="15"/>
</signal>
<signal name="M11">
<contactref element="U1" pad="10"/>
<contactref element="IC1" pad="2"/>
</signal>
<signal name="M12">
<contactref element="U1" pad="11"/>
<contactref element="IC1" pad="7"/>
</signal>
<signal name="M21">
<contactref element="U1" pad="12"/>
<contactref element="IC1" pad="15"/>
</signal>
<signal name="M22">
<contactref element="U1" pad="13"/>
<contactref element="IC1" pad="10"/>
</signal>
<signal name="O11">
<contactref element="IC1" pad="3"/>
<contactref element="M1" pad="1"/>
<contactref element="M3" pad="2"/>
</signal>
<signal name="O12">
<contactref element="IC1" pad="6"/>
<contactref element="M1" pad="2"/>
<contactref element="M3" pad="1"/>
</signal>
<signal name="O21">
<contactref element="IC1" pad="14"/>
<contactref element="M2" pad="1"/>
<contactref element="M4" pad="2"/>
</signal>
<signal name="O22">
<contactref element="IC1" pad="11"/>
<contactref element="M2" pad="2"/>
<contactref element="M4" pad="1"/>
</signal>
<signal name="N$1">
<contactref element="U1" pad="17"/>
<contactref element="TRANSMISSION" pad="K"/>
</signal>
<signal name="N$2">
<contactref element="R1" pad="1"/>
<contactref element="TRANSMISSION" pad="A"/>
</signal>
<signal name="VCC1">
<contactref element="IC1" pad="16"/>
<contactref element="IC1" pad="1"/>
<contactref element="IC1" pad="9"/>
<contactref element="RECEIVER" pad="1"/>
<contactref element="U1" pad="18"/>
<contactref element="R1" pad="2"/>
<contactref element="ON" pad="A"/>
<contactref element="C1" pad="+"/>
<contactref element="C2" pad="+"/>
<contactref element="IC2" pad="3"/>
</signal>
<signal name="VCC2">
<contactref element="C3" pad="+"/>
<contactref element="D3" pad="C"/>
<contactref element="IC1" pad="8"/>
</signal>
<signal name="N$5">
<contactref element="VCC_GND" pad="2"/>
<contactref element="S1" pad="P"/>
<contactref element="D3" pad="A"/>
<contactref element="D4" pad="A"/>
</signal>
<signal name="VCC3">
<contactref element="C4" pad="+"/>
<contactref element="D4" pad="C"/>
<contactref element="IC2" pad="1"/>
</signal>
<signal name="N$4">
<contactref element="ON" pad="K"/>
<contactref element="R4" pad="2"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
