<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="7.6.0">
<drawing>
<board>
<plain>
<text>USB</text>
<text> 20
MHz</text>
<text>ISP</text>
<text>0Ω</text>
<text>1μF</text>
<text>100Ω</text>
<text>10K</text>
<text>A</text>
<text>C</text>
<text>A</text>
<text>C</text>
<text>100Ω</text>
<text>R_pullup</text>
<wire x1="27.94" y1="53.848" x2="43.18" y2="53.848" width="0.002540625" layer="20"/>
<wire x1="25.654" y1="51.562" x2="25.654" y2="16.51" width="0.002540625" layer="20"/>
<wire x1="45.466" y1="51.562" x2="45.466" y2="16.51" width="0.002540625" layer="20"/>
<wire x1="25.654" y1="16.51" x2="27.94" y2="14.224" width="0.002540625" layer="20" curve="90"/>
<wire x1="27.94" y1="14.224" x2="43.18" y2="14.224" width="0.002540625" layer="20"/>
<text>  D
3.3V</text>
<text>  D
3.3V</text>
<text>ATTiny44</text>
<wire x1="27.94" y1="53.848" x2="25.654" y2="51.562" width="0.002540625" layer="20" curve="90"/>
<wire x1="45.466" y1="51.562" x2="43.18" y2="53.848" width="0.002540625" layer="20" curve="90"/>
<wire x1="43.18" y1="14.224" x2="45.466" y2="16.51" width="0.002540625" layer="20" curve="90"/>
</plain>
<libraries>
<library name="fab">
<packages>
<package name="EFOBM">
</package>
<package name="R1206FAB">
</package>
<package name="C1206FAB">
</package>
<package name="SOD123">
<description>&lt;b&gt;SMALL OUTLINE DIODE&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="myFab">
<packages>
<package name="2X3PINHEADER">
</package>
<package name="SOIC14_ATTTINY44">
<description>&lt;b&gt;Small Outline Package&lt;/b&gt;</description>
</package>
<package name="USB_MINIB">
</package>
<package name="SOLDERJUMPER">
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="U$1" library="fab" package="EFOBM" value="RESONATOR"/>
<element name="R0" library="fab" package="R1206FAB" value=""/>
<element name="R1" library="fab" package="R1206FAB" value=""/>
<element name="R2" library="fab" package="R1206FAB" value=""/>
<element name="R3" library="fab" package="R1206FAB" value=""/>
<element name="C1" library="fab" package="C1206FAB" value="CAP-UNPOLARIZEDFAB"/>
<element name="D1" library="fab" package="SOD123" value=""/>
<element name="D2" library="fab" package="SOD123" value=""/>
<element name="IC1" library="myFab" package="SOIC14_ATTTINY44" value=""/>
<element name="JP1" library="myFab" package="2X3PINHEADER" value=""/>
<element name="U$8" library="myFab" package="USB_MINIB" value="USB_MINIB"/>
<element name="U$2" library="myFab" package="SOLDERJUMPER" value="SOLDER_JUMPER"/>
</elements>
<signals>
<signal name="N$13">
</signal>
<signal name="N$7">
<contactref element="U$1" pad="3"/>
<contactref element="IC1" pad="3"/>
</signal>
<signal name="R4">
<contactref element="R0" pad="1"/>
<contactref element="IC1" pad="1"/>
<contactref element="C1" pad="1"/>
<contactref element="JP1" pad="VCC"/>
<contactref element="U$8" pad="V"/>
<contactref element="R3" pad="1"/>
</signal>
<signal name="N$2">
<contactref element="D2" pad="CATHODE"/>
<contactref element="R2" pad="1"/>
<contactref element="U$8" pad="D+"/>
</signal>
<signal name="N$1">
<contactref element="U$1" pad="1"/>
<contactref element="IC1" pad="2"/>
</signal>
<signal name="GND">
<contactref element="D1" pad="ANODE"/>
<contactref element="D2" pad="ANODE"/>
<contactref element="U$1" pad="2"/>
<contactref element="JP1" pad="GND"/>
<contactref element="U$8" pad="GND"/>
<contactref element="IC1" pad="14"/>
<contactref element="C1" pad="2"/>
</signal>
<signal name="N$6">
<contactref element="R2" pad="2"/>
<contactref element="IC1" pad="5"/>
<contactref element="IC1" pad="6"/>
</signal>
<signal name="N$8">
<contactref element="R1" pad="1"/>
<contactref element="IC1" pad="13"/>
</signal>
<signal name="N$4">
<contactref element="R3" pad="2"/>
<contactref element="D1" pad="CATHODE"/>
<contactref element="R1" pad="2"/>
<contactref element="U$8" pad="D-"/>
</signal>
<signal name="N$3">
<contactref element="IC1" pad="9"/>
<contactref element="JP1" pad="SCK"/>
</signal>
<signal name="N$10">
<contactref element="IC1" pad="10"/>
<contactref element="JP1" pad="RST"/>
<contactref element="U$2" pad="2"/>
</signal>
<signal name="N$9">
<contactref element="IC1" pad="8"/>
<contactref element="JP1" pad="MISO"/>
</signal>
<signal name="N$5">
<contactref element="IC1" pad="7"/>
<contactref element="JP1" pad="MOSI"/>
</signal>
<signal name="N$11">
<contactref element="R0" pad="2"/>
<contactref element="IC1" pad="4"/>
<contactref element="U$2" pad="1"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
