<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="9.6.2">
<drawing>
<board>
<plain>
<wire x1="7.747" y1="22.352" x2="45.827" y2="22.352" width="0" layer="20"/>
<wire x1="45.827" y1="22.352" x2="45.7" y2="60.63" width="0" layer="20"/>
<wire x1="45.7" y1="60.63" x2="7.62" y2="60.63" width="0" layer="20"/>
<wire x1="7.62" y1="60.63" x2="7.747" y2="22.352" width="0" layer="20"/>
</plain>
<libraries>
<library name="fab">
<packages>
<package name="C1206FAB">
</package>
<package name="OP1206">
</package>
<package name="R1206FAB">
</package>
<package name="LED1206FAB">
<description>LED1206 FAB style (smaller pads to allow trace between)</description>
</package>
<package name="1X06SMD">
</package>
<package name="2X02SMD">
</package>
</packages>
</library>
<library name="ATtiny412">
<packages>
<package name="SOIC8_SA_SST_MCH">
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="C1" library="fab" package="C1206FAB" value="1uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="PT" library="fab" package="OP1206" value="Q_PHOTOTRANSISTOR-NPN1206">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R1" library="fab" package="R1206FAB" value="4.99k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R2" library="fab" package="R1206FAB" value="1k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R3" library="fab" package="R1206FAB" value="10k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="U$1" library="fab" package="LED1206FAB" value="LEDFAB1206">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="U$3" library="fab" package="1X06SMD" value="CONN_06_FTDI-SMD-HEADER">
<attribute name="NAME"/>
</element>
<element name="U$4" library="fab" package="2X02SMD" value="CONN_02X2-PINHEAD-SMD">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="U1" library="ATtiny412" package="SOIC8_SA_SST_MCH" value="ATTINY412-SSNR">
<attribute name="BUILT_BY" value="EMA_Molly"/>
<attribute name="COPYRIGHT" value="Copyright (C) 2018 Accelerated Designs. All rights reserved"/>
<attribute name="MANUFACTURER_PART_NUMBER" value="ATTINY412-SSNR"/>
<attribute name="NAME"/>
<attribute name="SOURCELIBRARY" value="Microchip_2019-08-23_25"/>
<attribute name="VALUE"/>
<attribute name="VENDOR" value="Microchip"/>
</element>
<element name="U$2" library="fab" package="2X02SMD" value="CONN_02X2-PINHEAD-SMD">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
</elements>
<signals>
<signal name="GND">
<contactref element="U1" pad="8"/>
<contactref element="U$3" pad="1"/>
<contactref element="U$4" pad="1"/>
<contactref element="C1" pad="2"/>
<contactref element="U$1" pad="2"/>
<contactref element="PT" pad="EMITTER"/>
</signal>
<signal name="VDD">
<contactref element="U$3" pad="3"/>
<contactref element="U$4" pad="2"/>
<contactref element="U1" pad="1"/>
<contactref element="C1" pad="1"/>
<contactref element="R3" pad="2"/>
</signal>
<signal name="RX">
<contactref element="U$4" pad="3"/>
<contactref element="U1" pad="6"/>
<contactref element="R1" pad="2"/>
</signal>
<signal name="TX">
<contactref element="R1" pad="1"/>
<contactref element="U$4" pad="4"/>
</signal>
<signal name="N$3">
<contactref element="PT" pad="COLLECTOR"/>
<contactref element="R3" pad="1"/>
<contactref element="U1" pad="3"/>
</signal>
<signal name="N$6">
<contactref element="R2" pad="1"/>
<contactref element="U$1" pad="1"/>
</signal>
<signal name="N$2">
<contactref element="U1" pad="4"/>
<contactref element="U$3" pad="5"/>
</signal>
<signal name="N$4">
<contactref element="U1" pad="5"/>
<contactref element="U$3" pad="4"/>
</signal>
<signal name="N$1">
<contactref element="U1" pad="2"/>
<contactref element="R2" pad="2"/>
</signal>
<signal name="N$5">
<contactref element="U1" pad="7"/>
<contactref element="U$2" pad="4"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
