<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="6.2">
<drawing>
<board>
<plain>
<wire x1="0" y1="0" x2="100" y2="0" width="0" layer="20"/>
<wire x1="100" y1="0" x2="100" y2="80" width="0" layer="20"/>
<wire x1="100" y1="80" x2="0" y2="80" width="0" layer="20"/>
<wire x1="0" y1="80" x2="0" y2="0" width="0" layer="20"/>
</plain>
<libraries>
<library name="oldchips">
<packages>
<package name="SO16">
<description>&lt;b&gt;Small Outline package&lt;/b&gt; 150 mil</description>
</package>
</packages>
</library>
<library name="74xx-eu">
<description>&lt;b&gt;TTL Devices, 74xx Series with European Symbols&lt;/b&gt;&lt;p&gt;
Based on the following sources:
&lt;ul&gt;
&lt;li&gt;Texas Instruments &lt;i&gt;TTL Data Book&lt;/i&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;Volume 1, 1996.
&lt;li&gt;TTL Data Book, Volume 2 , 1993
&lt;li&gt;National Seminconductor Databook 1990, ALS/LS Logic
&lt;li&gt;ttl 74er digital data dictionary, ECA Electronic + Acustic GmbH, ISBN 3-88109-032-0
&lt;li&gt;http://icmaster.com/ViewCompare.asp
&lt;/ul&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="SO16">
<description>&lt;b&gt;Small Outline package&lt;/b&gt; 150 mil</description>
</package>
</packages>
</library>
<library name="gm-resistors">
<description>&lt;b&gt;Resistors&lt;/b&gt;
&lt;ul&gt;
&lt;li&gt;6mm long -- the size of 1/4 watt resistors
&lt;li&gt; all resistor values have the same size package; you choose the value of resistance 
&lt;/ul&gt;</description>
<packages>
<package name="R0207/3">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;br&gt;
&lt;br&gt;
length: 6mm&lt;br&gt;
format: 0.1" (perfboard)&lt;br&gt;
spacing: 3 holes

&lt;p&gt;This length resistor applies to 1/4 watt metal film.</description>
</package>
</packages>
</library>
<library name="gm-caps-ceramic">
<description>&lt;b&gt;Capacitors, Ceramic&lt;/b&gt;
&lt;ul&gt;
&lt;li&gt;very small capacitances: 1 - 1000pF
&lt;/ul&gt;</description>
<packages>
<package name="050X030_025">
<description>&lt;b&gt;5mm x 3mm, 2.5mm lead spacing
&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="gm-supply">
<description>&lt;b&gt;Supply&lt;/b&gt;
&lt;ul&gt;
&lt;li&gt;input, output, ground, and power supply.  
&lt;li&gt;these are used on a schematic for placeholders and on a board for pads for off-board components like jacks.
&lt;/ul&gt;</description>
<packages>
<package name="SQUARE">
<description>&lt;b&gt;Square Pad&lt;/b&gt;
&lt;ul&gt;&lt;li&gt;drill diameter 0.7 mm&lt;/li&gt;&lt;/ul&gt;</description>
</package>
</packages>
</library>
<library name="gm-trans">
<description>&lt;b&gt;Transistors&lt;/b&gt;
&lt;ul&gt;
&lt;li&gt;small signal amps (e.g., 2N508x)
&lt;li&gt;switching transistors (e.g., 2N2222, 2N390x)
&lt;li&gt;JFETs (e.g., J201, 2N3819, 2N5457)
&lt;li&gt;MOSFETs (e.g., BS170, BS250)
&lt;li&gt;mostly copied from Eagle libraries
&lt;/ul&gt;</description>
<packages>
<package name="TO92-">
</package>
</packages>
</library>
<library name="gm-caps-electro-pol">
<description>&lt;b&gt;Capacitors, Polar Electrolytic, Radial &lt;/b&gt;
&lt;ul&gt;
&lt;li&gt;large value capacitors: .22 - 470uF (uF = µF = mF)
&lt;li&gt;often used in power supply filters
&lt;/ul&gt;</description>
<packages>
<package name="050_020_1">
<description>&lt;b&gt;5mm diameter, 2mm lead spacing, 0.1" pad spacing&lt;/b&gt;</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="U1" library="oldchips" package="SO16" value="74163D"/>
<element name="IC1" library="74xx-eu" package="SO16" value="74HC157D"/>
<element name="R1" library="gm-resistors" package="R0207/3" value="47K"/>
<element name="R2" library="gm-resistors" package="R0207/3" value="47K"/>
<element name="R3" library="gm-resistors" package="R0207/3" value="330"/>
<element name="R4" library="gm-resistors" package="R0207/3" value="330"/>
<element name="R5" library="gm-resistors" package="R0207/3" value="330"/>
<element name="R6" library="gm-resistors" package="R0207/3" value="330"/>
<element name="R7" library="gm-resistors" package="R0207/3" value="47k"/>
<element name="R8" library="gm-resistors" package="R0207/3" value="47K"/>
<element name="R9" library="gm-resistors" package="R0207/3" value="47K"/>
<element name="R14" library="gm-resistors" package="R0207/3" value="47K"/>
<element name="C1" library="gm-caps-ceramic" package="050X030_025" value="0.1uF"/>
<element name="C2" library="gm-caps-ceramic" package="050X030_025" value="0.1uF"/>
<element name="C3" library="gm-caps-ceramic" package="050X030_025" value="0.1pF"/>
<element name="C4" library="gm-caps-ceramic" package="050X030_025" value="0.1uF"/>
<element name="C5" library="gm-caps-ceramic" package="050X030_025" value="100pF"/>
<element name="IC2" library="74xx-eu" package="SO16" value="74HC157D"/>
<element name="IC3" library="74xx-eu" package="SO16" value="74HC157D"/>
<element name="R15" library="gm-resistors" package="R0207/3" value="47K"/>
<element name="R16" library="gm-resistors" package="R0207/3" value="47K"/>
<element name="R17" library="gm-resistors" package="R0207/3" value="47K"/>
<element name="+9V1" library="gm-supply" package="SQUARE" value="+5V(T)"/>
<element name="R18" library="gm-resistors" package="R0207/3" value="47K"/>
<element name="Q1" library="gm-trans" package="TO92-" value="2N3904"/>
<element name="R19" library="gm-resistors" package="R0207/3" value="10K"/>
<element name="R20" library="gm-resistors" package="R0207/3" value="47K"/>
<element name="R10" library="gm-resistors" package="R0207/3" value="47K"/>
<element name="R11" library="gm-resistors" package="R0207/3" value="47K"/>
<element name="R12" library="gm-resistors" package="R0207/3" value="47K"/>
<element name="R13" library="gm-resistors" package="R0207/3" value="47K"/>
<element name="I" library="gm-supply" package="SQUARE" value=""/>
<element name="II" library="gm-supply" package="SQUARE" value=""/>
<element name="SELECT" library="gm-supply" package="SQUARE" value=""/>
<element name="RUN" library="gm-supply" package="SQUARE" value=""/>
<element name="UP" library="gm-supply" package="SQUARE" value=""/>
<element name="RIGHT" library="gm-supply" package="SQUARE" value=""/>
<element name="DOWN" library="gm-supply" package="SQUARE" value=""/>
<element name="LEFT" library="gm-supply" package="SQUARE" value=""/>
<element name="III" library="gm-supply" package="SQUARE" value=""/>
<element name="IV" library="gm-supply" package="SQUARE" value=""/>
<element name="V" library="gm-supply" package="SQUARE" value=""/>
<element name="VI" library="gm-supply" package="SQUARE" value=""/>
<element name="D0" library="gm-supply" package="SQUARE" value=""/>
<element name="D1" library="gm-supply" package="SQUARE" value=""/>
<element name="D2" library="gm-supply" package="SQUARE" value=""/>
<element name="D3" library="gm-supply" package="SQUARE" value=""/>
<element name="SEL" library="gm-supply" package="SQUARE" value=""/>
<element name="CLR" library="gm-supply" package="SQUARE" value=""/>
<element name="GND(8)" library="gm-supply" package="SQUARE" value=""/>
<element name="GND(9)" library="gm-supply" package="SQUARE" value=""/>
<element name="TURBO(I)" library="gm-supply" package="SQUARE" value=""/>
<element name="BUTTONS" library="gm-supply" package="SQUARE" value=""/>
<element name="TURBO(II)" library="gm-supply" package="SQUARE" value=""/>
<element name="SLOW" library="gm-supply" package="SQUARE" value=""/>
<element name="MODE(OUT)" library="gm-supply" package="SQUARE" value=""/>
<element name="MODE(IN)" library="gm-supply" package="SQUARE" value=""/>
<element name="C6" library="gm-caps-electro-pol" package="050_020_1" value="47uF"/>
</elements>
<signals>
<signal name="GND">
<contactref element="IC1" pad="8"/>
<contactref element="C1" pad="2"/>
<contactref element="IC1" pad="15"/>
<contactref element="GND(8)" pad="1"/>
<contactref element="GND(9)" pad="1"/>
<contactref element="C2" pad="2"/>
<contactref element="IC2" pad="8"/>
<contactref element="IC3" pad="8"/>
<contactref element="C3" pad="2"/>
<contactref element="C4" pad="2"/>
<contactref element="U1" pad="8"/>
<contactref element="C5" pad="2"/>
<contactref element="Q1" pad="3"/>
<contactref element="R20" pad="2"/>
<contactref element="U1" pad="6"/>
<contactref element="U1" pad="3"/>
<contactref element="U1" pad="4"/>
<contactref element="U1" pad="5"/>
<contactref element="IC3" pad="3"/>
<contactref element="IC3" pad="6"/>
<contactref element="IC3" pad="10"/>
<contactref element="IC3" pad="13"/>
<contactref element="TURBO(I)" pad="1"/>
<contactref element="TURBO(II)" pad="1"/>
<contactref element="C6" pad="-"/>
</signal>
<signal name="N$1">
<contactref element="R2" pad="2"/>
<contactref element="IC2" pad="1"/>
<contactref element="IC3" pad="1"/>
<contactref element="SEL" pad="1"/>
</signal>
<signal name="N$3">
<contactref element="R3" pad="1"/>
<contactref element="D0" pad="1"/>
</signal>
<signal name="N$4">
<contactref element="R3" pad="2"/>
<contactref element="IC1" pad="4"/>
</signal>
<signal name="N$5">
<contactref element="R4" pad="1"/>
<contactref element="D1" pad="1"/>
</signal>
<signal name="N$6">
<contactref element="R4" pad="2"/>
<contactref element="IC1" pad="7"/>
</signal>
<signal name="N$8">
<contactref element="R6" pad="2"/>
<contactref element="IC1" pad="12"/>
</signal>
<signal name="N$9">
<contactref element="R6" pad="1"/>
<contactref element="D3" pad="1"/>
</signal>
<signal name="N$10">
<contactref element="R5" pad="1"/>
<contactref element="D2" pad="1"/>
</signal>
<signal name="N$11">
<contactref element="IC1" pad="2"/>
<contactref element="IC2" pad="4"/>
</signal>
<signal name="N$12">
<contactref element="IC1" pad="5"/>
<contactref element="IC2" pad="7"/>
</signal>
<signal name="N$13">
<contactref element="IC1" pad="11"/>
<contactref element="IC2" pad="9"/>
</signal>
<signal name="N$14">
<contactref element="IC1" pad="14"/>
<contactref element="IC2" pad="12"/>
</signal>
<signal name="N$15">
<contactref element="IC1" pad="1"/>
<contactref element="MODE(OUT)" pad="1"/>
</signal>
<signal name="N$17">
<contactref element="IC3" pad="4"/>
<contactref element="IC1" pad="3"/>
</signal>
<signal name="N$18">
<contactref element="IC1" pad="6"/>
<contactref element="IC3" pad="7"/>
</signal>
<signal name="N$19">
<contactref element="IC1" pad="10"/>
<contactref element="IC3" pad="9"/>
</signal>
<signal name="N$20">
<contactref element="IC1" pad="13"/>
<contactref element="IC3" pad="12"/>
</signal>
<signal name="N$7">
<contactref element="R5" pad="2"/>
<contactref element="IC1" pad="9"/>
</signal>
<signal name="N$22">
<contactref element="IC2" pad="14"/>
<contactref element="R8" pad="1"/>
<contactref element="RUN" pad="1"/>
</signal>
<signal name="N$23">
<contactref element="IC2" pad="10"/>
<contactref element="R18" pad="1"/>
<contactref element="DOWN" pad="1"/>
</signal>
<signal name="N$24">
<contactref element="IC2" pad="11"/>
<contactref element="R9" pad="1"/>
<contactref element="SELECT" pad="1"/>
</signal>
<signal name="N$25">
<contactref element="IC2" pad="6"/>
<contactref element="R10" pad="1"/>
<contactref element="RIGHT" pad="1"/>
</signal>
<signal name="N$26">
<contactref element="IC2" pad="5"/>
<contactref element="R13" pad="1"/>
<contactref element="II" pad="1"/>
</signal>
<signal name="N$27">
<contactref element="IC2" pad="3"/>
<contactref element="R12" pad="1"/>
<contactref element="UP" pad="1"/>
</signal>
<signal name="N$28">
<contactref element="IC2" pad="2"/>
<contactref element="R11" pad="1"/>
<contactref element="I" pad="1"/>
</signal>
<signal name="N$32">
<contactref element="IC3" pad="2"/>
<contactref element="R17" pad="1"/>
<contactref element="III" pad="1"/>
</signal>
<signal name="N$33">
<contactref element="IC3" pad="5"/>
<contactref element="R16" pad="1"/>
<contactref element="IV" pad="1"/>
</signal>
<signal name="N$34">
<contactref element="IC3" pad="11"/>
<contactref element="R15" pad="1"/>
<contactref element="V" pad="1"/>
</signal>
<signal name="N$35">
<contactref element="IC3" pad="14"/>
<contactref element="R14" pad="1"/>
<contactref element="VI" pad="1"/>
</signal>
<signal name="+9V">
<contactref element="R1" pad="1"/>
<contactref element="R2" pad="1"/>
<contactref element="C1" pad="1"/>
<contactref element="IC1" pad="16"/>
<contactref element="R7" pad="2"/>
<contactref element="R8" pad="2"/>
<contactref element="R9" pad="2"/>
<contactref element="+9V1" pad="1"/>
<contactref element="R18" pad="2"/>
<contactref element="R10" pad="2"/>
<contactref element="R13" pad="2"/>
<contactref element="R12" pad="2"/>
<contactref element="R11" pad="2"/>
<contactref element="C6" pad="+"/>
<contactref element="IC3" pad="16"/>
<contactref element="C3" pad="1"/>
<contactref element="IC2" pad="16"/>
<contactref element="C2" pad="1"/>
<contactref element="R14" pad="2"/>
<contactref element="R17" pad="2"/>
<contactref element="R16" pad="2"/>
<contactref element="R15" pad="2"/>
<contactref element="U1" pad="16"/>
<contactref element="C4" pad="1"/>
<contactref element="U1" pad="9"/>
<contactref element="U1" pad="7"/>
<contactref element="U1" pad="10"/>
<contactref element="U1" pad="1"/>
</signal>
<signal name="N$16">
<contactref element="U1" pad="14"/>
<contactref element="MODE(IN)" pad="1"/>
</signal>
<signal name="N$39">
<contactref element="R19" pad="2"/>
<contactref element="U1" pad="13"/>
<contactref element="BUTTONS" pad="1"/>
</signal>
<signal name="N$31">
<contactref element="U1" pad="2"/>
<contactref element="C5" pad="1"/>
<contactref element="R1" pad="2"/>
<contactref element="IC2" pad="15"/>
<contactref element="IC3" pad="15"/>
<contactref element="CLR" pad="1"/>
</signal>
<signal name="N$30">
<contactref element="R19" pad="1"/>
<contactref element="Q1" pad="2"/>
<contactref element="R20" pad="1"/>
</signal>
<signal name="N$42">
<contactref element="Q1" pad="1"/>
<contactref element="SLOW" pad="1"/>
</signal>
<signal name="N$41">
<contactref element="IC2" pad="13"/>
<contactref element="R7" pad="1"/>
<contactref element="LEFT" pad="1"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
