<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="9.3.1">
<drawing>
<board>
<plain>
<wire x1="0" y1="0" x2="51.74" y2="0" width="0" layer="20"/>
<wire x1="51.74" y1="0" x2="51.74" y2="33.01" width="0" layer="20"/>
<wire x1="51.74" y1="33.01" x2="0" y2="33.01" width="0" layer="20"/>
<wire x1="0" y1="33.01" x2="0" y2="0" width="0" layer="20"/>
</plain>
<libraries>
<library name="fab">
<packages>
<package name="C1206FAB">
</package>
<package name="SOIC14">
<description>&lt;b&gt;Small Outline Package&lt;/b&gt;</description>
</package>
<package name="2X3_SMD">
<description>&lt;h3&gt;Surface Mount - 2x3&lt;/h3&gt;
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count:6&lt;/li&gt;
&lt;li&gt;Pin pitch:2.54mm&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;
&lt;p&gt;Example device(s):
&lt;ul&gt;&lt;li&gt;CONN_03x2&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</description>
</package>
<package name="R1206">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;</description>
</package>
<package name="R1206W">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
wave soldering</description>
</package>
<package name="6MM_SWITCH">
<description>&lt;b&gt;OMRON SWITCH&lt;/b&gt;</description>
</package>
<package name="1X06SMD">
</package>
<package name="LED1206">
<description>LED 1206 pads (standard pattern)</description>
</package>
</packages>
</library>
<library name="crystal">
<description>&lt;b&gt;Crystals and Crystal Resonators&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="CSM-7X-DU">
<description>&lt;b&gt;SMD CRYSTAL&lt;/b&gt;&lt;p&gt;
Source: www.ecsxtal.com .. Crystal 3.6864MHz CSM_7X_DU.PDF</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="C1" library="fab" package="C1206FAB" value="1 uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C2" library="fab" package="C1206FAB" value="1uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C3" library="fab" package="C1206FAB" value="1 uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="IC1" library="fab" package="SOIC14" value="ATTINY44-SSU">
<attribute name="BGA"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="J1" library="fab" package="2X3_SMD" value="AVR">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="CONN-11290"/>
<attribute name="VALUE"/>
</element>
<element name="Q1" library="crystal" package="CSM-7X-DU" value="CSM-7X-DU">
<attribute name="MF" value=""/>
<attribute name="MPN" value=""/>
<attribute name="NAME"/>
<attribute name="OC_FARNELL" value="unknown"/>
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="VALUE"/>
</element>
<element name="R1" library="fab" package="R1206" value="10k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R2" library="fab" package="R1206W" value="10k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R3" library="fab" package="R1206W" value="100">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R4" library="fab" package="R1206W" value="100">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="S1" library="fab" package="6MM_SWITCH" value="swich">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="U$1" library="fab" package="1X06SMD" value="FTDI-SMD-HEADER">
<attribute name="NAME"/>
</element>
<element name="U$2" library="fab" package="LED1206" value="LED">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="U$3" library="fab" package="LED1206" value="LED">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R5" library="fab" package="R1206W" value="0">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
</elements>
<signals>
<signal name="VCC">
<contactref element="R3" pad="2"/>
<contactref element="J1" pad="5"/>
<contactref element="R2" pad="2"/>
<contactref element="R1" pad="1"/>
<contactref element="U$1" pad="3"/>
<contactref element="C1" pad="2"/>
<contactref element="IC1" pad="1"/>
<contactref element="R5" pad="2"/>
<contactref element="R5" pad="1"/>
</signal>
<signal name="N$2">
<contactref element="R4" pad="1"/>
<contactref element="U$3" pad="1"/>
</signal>
<signal name="GND">
<contactref element="U$2" pad="2"/>
<contactref element="C2" pad="2"/>
<contactref element="C3" pad="2"/>
<contactref element="U$3" pad="2"/>
<contactref element="IC1" pad="14"/>
<contactref element="C1" pad="1"/>
<contactref element="U$1" pad="1"/>
<contactref element="J1" pad="1"/>
<contactref element="S1" pad="3"/>
</signal>
<signal name="N$3">
<contactref element="IC1" pad="13"/>
<contactref element="U$1" pad="4"/>
</signal>
<signal name="N$4">
<contactref element="IC1" pad="12"/>
<contactref element="U$1" pad="5"/>
</signal>
<signal name="N$1">
<contactref element="R3" pad="1"/>
<contactref element="U$2" pad="1"/>
</signal>
<signal name="N$5">
<contactref element="R4" pad="2"/>
<contactref element="IC1" pad="10"/>
</signal>
<signal name="N$6">
<contactref element="IC1" pad="4"/>
<contactref element="J1" pad="2"/>
<contactref element="R1" pad="2"/>
</signal>
<signal name="PA6">
<contactref element="J1" pad="3"/>
<contactref element="IC1" pad="7"/>
</signal>
<signal name="PA5">
<contactref element="J1" pad="6"/>
<contactref element="IC1" pad="8"/>
</signal>
<signal name="PA4">
<contactref element="IC1" pad="9"/>
<contactref element="J1" pad="4"/>
</signal>
<signal name="PA2">
<contactref element="IC1" pad="11"/>
<contactref element="S1" pad="1"/>
</signal>
<signal name="N$8">
<contactref element="C3" pad="1"/>
<contactref element="Q1" pad="2"/>
<contactref element="IC1" pad="2"/>
</signal>
<signal name="N$9">
<contactref element="Q1" pad="1"/>
<contactref element="C2" pad="1"/>
<contactref element="IC1" pad="3"/>
</signal>
<signal name="N$7">
<contactref element="R2" pad="1"/>
<contactref element="S1" pad="2"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
