<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="6.5.0">
<drawing>
<board>
<plain>
<wire x1="18.7325" y1="8.255" x2="53.645" y2="8.255" width="0" layer="20"/>
<wire x1="53.645" y1="8.255" x2="53.645" y2="38.09" width="0" layer="20"/>
<wire x1="53.645" y1="38.09" x2="18.7325" y2="38.09" width="0" layer="20"/>
<wire x1="18.7325" y1="38.09" x2="18.7325" y2="8.255" width="0" layer="20"/>
</plain>
<libraries>
<library name="fab">
<packages>
<package name="SOIC14">
<description>&lt;b&gt;Small Outline Package&lt;/b&gt;</description>
</package>
<package name="6MM_SWITCH">
<description>&lt;b&gt;OMRON SWITCH&lt;/b&gt;</description>
</package>
<package name="1X06SMD">
</package>
<package name="EFOBM">
</package>
<package name="R1206">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;</description>
</package>
<package name="C1206">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;</description>
</package>
<package name="2X03SMD">
</package>
<package name="OP1206">
</package>
</packages>
</library>
<library name="ng">
<description>Neil Gershenfeld's library</description>
<packages>
<package name="1206">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
chip</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="IC1" library="fab" package="SOIC14" value="ATTINY44-SSU"/>
<element name="S1" library="fab" package="6MM_SWITCH" value=""/>
<element name="U$1" library="fab" package="1X06SMD" value="FTDI-SMD-HEADER"/>
<element name="U$2" library="fab" package="EFOBM" value="RESONATOR"/>
<element name="R1" library="fab" package="R1206" value="10k"/>
<element name="C1" library="fab" package="C1206" value="CAP-US1206"/>
<element name="R2" library="fab" package="R1206" value="500"/>
<element name="R3" library="fab" package="R1206" value="10k"/>
<element name="U$3" library="fab" package="2X03SMD" value="AVRISPSMD"/>
<element name="L1" library="ng" package="1206" value=""/>
<element name="PHOT" library="fab" package="OP1206" value="PHOTOTRANSISTOR-NPN1206"/>
<element name="R4" library="fab" package="R1206" value=""/>
</elements>
<signals>
<signal name="XTAL2">
<contactref element="IC1" pad="3"/>
<contactref element="U$2" pad="3"/>
</signal>
<signal name="XTAL1">
<contactref element="IC1" pad="2"/>
<contactref element="U$2" pad="1"/>
</signal>
<signal name="MISO">
<contactref element="IC1" pad="8"/>
<contactref element="U$3" pad="1"/>
</signal>
<signal name="SCK">
<contactref element="IC1" pad="9"/>
<contactref element="U$3" pad="3"/>
</signal>
<signal name="RX">
<contactref element="IC1" pad="12"/>
<contactref element="U$1" pad="5"/>
</signal>
<signal name="VCC">
<contactref element="IC1" pad="1"/>
<contactref element="U$1" pad="3"/>
<contactref element="C1" pad="1"/>
<contactref element="U$3" pad="2"/>
<contactref element="R3" pad="1"/>
<contactref element="R1" pad="2"/>
<contactref element="R4" pad="2"/>
</signal>
<signal name="MOSI">
<contactref element="U$3" pad="4"/>
<contactref element="IC1" pad="7"/>
</signal>
<signal name="RST">
<contactref element="U$3" pad="5"/>
<contactref element="IC1" pad="4"/>
<contactref element="R1" pad="1"/>
</signal>
<signal name="GND">
<contactref element="U$1" pad="1"/>
<contactref element="U$3" pad="6"/>
<contactref element="U$2" pad="2"/>
<contactref element="L1" pad="2"/>
<contactref element="IC1" pad="14"/>
<contactref element="C1" pad="2"/>
<contactref element="S1" pad="4"/>
<contactref element="S1" pad="3"/>
<contactref element="PHOT" pad="EMITTER"/>
</signal>
<signal name="TX">
<contactref element="IC1" pad="13"/>
<contactref element="U$1" pad="4"/>
</signal>
<signal name="RTS">
<contactref element="U$1" pad="6"/>
</signal>
<signal name="CTS">
<contactref element="U$1" pad="2"/>
</signal>
<signal name="N$1">
<contactref element="R2" pad="1"/>
<contactref element="L1" pad="1"/>
</signal>
<signal name="LED">
<contactref element="R2" pad="2"/>
<contactref element="IC1" pad="6"/>
</signal>
<signal name="BUTTON">
<contactref element="S1" pad="2"/>
<contactref element="S1" pad="1"/>
<contactref element="R3" pad="2"/>
<contactref element="IC1" pad="11"/>
</signal>
<signal name="SENS">
<contactref element="PHOT" pad="COLLECTOR"/>
<contactref element="R4" pad="1"/>
<contactref element="IC1" pad="10"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
