<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="9.5.1">
<drawing>
<board>
<plain>
<text>499 ohm</text>
<text>ISP Header</text>
<text>MISO</text>
<text>SCK</text>
<text>RST</text>
<text>VCC</text>
<text>MOSI</text>
<text>GND</text>
<text>VCC</text>
<text>GND</text>
<text>PA0</text>
<text>PA1</text>
<text>PA2</text>
<text>PA3</text>
<text>PA4</text>
<text>PA5</text>
<text>PB0</text>
<text>PB1</text>
<text>PA6</text>
<text>PA7</text>
<text>RST</text>
<text>PB2</text>
<text>RX</text>
<text>TX</text>
<text>VCC</text>
<text>GND</text>
<wire x1="-1.27" y1="1.27" x2="-1.27" y2="30.48" width="0.4064" layer="20"/>
<wire x1="-1.27" y1="30.48" x2="0" y2="32.004" width="0.4064" layer="20" curve="-90"/>
<wire x1="0" y1="32.004" x2="26.67" y2="32.004" width="0.4064" layer="20"/>
<wire x1="26.67" y1="32.004" x2="27.94" y2="30.48" width="0.4064" layer="20" curve="-90"/>
<wire x1="27.94" y1="30.48" x2="27.94" y2="1.27" width="0.4064" layer="20"/>
<wire x1="-1.27" y1="1.27" x2="0" y2="0" width="0.4064" layer="20" curve="90"/>
<wire x1="0" y1="0" x2="26.67" y2="0" width="0.4064" layer="20"/>
<wire x1="26.67" y1="0" x2="27.94" y2="1.27" width="0.4064" layer="20" curve="90"/>
<text>4Pin_Tactile_Switch</text>
<text>4Pin_Tactile_Switch</text>
<text>10kOhm
Resistor</text>
<text>10kOhhm
Resistor</text>
<text>10kOhhm
Resistor</text>
<text>Resonator
20MHz</text>
<text>ATtiny44a</text>
<text>6Pin_FTDI Conn_header</text>
<text>1206_LED</text>
<text>1206_LED</text>
<text>499Ohm</text>
<text>1uf Capacitor</text>
<text>0 ohm </text>
</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="R1206FAB">
</package>
<package name="2X03SMD">
</package>
<package name="1X06SMD">
</package>
<package name="EFOBM">
</package>
<package name="LED1206FAB">
<description>LED1206 FAB style (smaller pads to allow trace between)</description>
</package>
<package name="6MM_SWITCH">
<description>&lt;b&gt;OMRON SWITCH&lt;/b&gt;</description>
</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="IC1" library="fab" package="SOIC14" value="UC_ATTINY44-SSU">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R1" library="fab" package="R1206FAB" value="499 ohm">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R2" library="fab" package="R1206FAB" value="499 ohm">
<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="2X03SMD" value="CONN_03X2_AVRISPSMD">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="U$2" library="fab" package="1X06SMD" value="CONN_06_FTDI-SMD-HEADER">
<attribute name="NAME"/>
</element>
<element name="U$3" library="fab" package="EFOBM" value="XTAL_RESONATOR"/>
<element name="U$4" library="fab" package="LED1206FAB" value="LEDFAB1206">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="U$5" library="fab" package="LED1206FAB" value="LEDFAB1206">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="S1" library="fab" package="6MM_SWITCH" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="S2" library="fab" package="6MM_SWITCH" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R4" library="fab" package="R1206FAB" value="1k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R5" library="fab" package="R1206FAB" value="1k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R6" library="fab" package="R1206FAB" value="0 ohm">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
</elements>
<signals>
<signal name="VCC">
<contactref element="IC1" pad="1"/>
<contactref element="C1" pad="2"/>
<contactref element="R3" pad="1"/>
<contactref element="U$2" pad="3"/>
<contactref element="U$1" pad="2"/>
<contactref element="S1" pad="3"/>
<contactref element="S2" pad="3"/>
</signal>
<signal name="GND">
<contactref element="IC1" pad="14"/>
<contactref element="C1" pad="1"/>
<contactref element="U$3" pad="2"/>
<contactref element="R2" pad="1"/>
<contactref element="R1" pad="1"/>
<contactref element="U$2" pad="1"/>
<contactref element="U$1" pad="6"/>
<contactref element="R4" pad="1"/>
<contactref element="R5" pad="1"/>
</signal>
<signal name="RST">
<contactref element="IC1" pad="4"/>
<contactref element="R3" pad="2"/>
<contactref element="U$1" pad="5"/>
</signal>
<signal name="XTAL1">
<contactref element="IC1" pad="2"/>
<contactref element="U$3" pad="1"/>
</signal>
<signal name="XTAL2">
<contactref element="IC1" pad="3"/>
<contactref element="U$3" pad="3"/>
</signal>
<signal name="PWM7">
<contactref element="IC1" pad="6"/>
<contactref element="U$4" pad="1"/>
</signal>
<signal name="PWM8">
<contactref element="IC1" pad="5"/>
<contactref element="U$5" pad="1"/>
</signal>
<signal name="MOSI">
<contactref element="IC1" pad="7"/>
<contactref element="U$1" pad="4"/>
</signal>
<signal name="MISO">
<contactref element="IC1" pad="8"/>
<contactref element="U$1" pad="1"/>
</signal>
<signal name="SCK">
<contactref element="IC1" pad="9"/>
<contactref element="U$1" pad="3"/>
</signal>
<signal name="RX">
<contactref element="IC1" pad="12"/>
<contactref element="U$2" pad="5"/>
</signal>
<signal name="TX">
<contactref element="IC1" pad="13"/>
<contactref element="U$2" pad="4"/>
</signal>
<signal name="N$3">
<contactref element="U$4" pad="2"/>
<contactref element="R2" pad="2"/>
</signal>
<signal name="N$4">
<contactref element="U$5" pad="2"/>
<contactref element="R1" pad="2"/>
</signal>
<signal name="INPUT1">
<contactref element="IC1" pad="10"/>
<contactref element="R6" pad="2"/>
<contactref element="S1" pad="1"/>
<contactref element="R4" pad="2"/>
<contactref element="R6" pad="1"/>
</signal>
<signal name="INPUT2">
<contactref element="IC1" pad="11"/>
<contactref element="S2" pad="1"/>
<contactref element="R5" pad="2"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
