<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="8.0.2">
<drawing>
<board>
<plain>
<wire x1="-3.556" y1="-0.889" x2="31.349" y2="-0.889" width="0" layer="20"/>
<wire x1="31.349" y1="-0.889" x2="31.349" y2="42.596" width="0" layer="20"/>
<wire x1="31.349" y1="42.596" x2="-3.683" y2="42.596" width="0" layer="20"/>
<wire x1="-3.683" y1="42.596" x2="-3.556" y2="-0.889" width="0" layer="20"/>
</plain>
<libraries>
<library name="fab">
<packages>
<package name="C1206">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;</description>
</package>
<package name="SOIC14">
<description>&lt;b&gt;Small Outline Package&lt;/b&gt;</description>
</package>
<package name="2X03SMD">
</package>
<package name="R1206">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;</description>
</package>
<package name="1X06SMD">
</package>
<package name="2X02SMD">
</package>
</packages>
</library>
<library name="sensor">
<description>Ultrasonic Sensor HC-SR04</description>
<packages>
<package name="HC-SR04_FOOTPRINT">
<description>Ultrasonic Sensor HC-SR04 Footprint</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="C1" library="fab" package="C1206" value="1mF"/>
<element name="IC1" library="fab" package="SOIC14" value="ATTINY44-SSU"/>
<element name="JP1" library="fab" package="2X03SMD" value="ISP"/>
<element name="R1" library="fab" package="R1206" value="10k"/>
<element name="U$1" library="fab" package="1X06SMD" value="FTDI-SMD-HEADER"/>
<element name="J_ULTRASONIC_1" library="sensor" package="HC-SR04_FOOTPRINT" value="HC-SR04"/>
<element name="R2" library="fab" package="R1206" value="0K"/>
<element name="BUS" library="fab" package="2X02SMD" value="PINHD-2X2-SMD"/>
</elements>
<signals>
<signal name="GND">
<contactref element="IC1" pad="14"/>
<contactref element="C1" pad="2"/>
<contactref element="U$1" pad="1"/>
<contactref element="JP1" pad="6"/>
<contactref element="J_ULTRASONIC_1" pad="GND"/>
<contactref element="R2" pad="1"/>
<contactref element="R2" pad="2"/>
<contactref element="BUS" pad="4"/>
</signal>
<signal name="VCC">
<contactref element="R1" pad="1"/>
<contactref element="IC1" pad="1"/>
<contactref element="U$1" pad="3"/>
<contactref element="C1" pad="1"/>
<contactref element="JP1" pad="2"/>
<contactref element="J_ULTRASONIC_1" pad="VCC"/>
<contactref element="BUS" pad="2"/>
</signal>
<signal name="RST">
<contactref element="IC1" pad="4"/>
<contactref element="R1" pad="2"/>
<contactref element="JP1" pad="5"/>
</signal>
<signal name="SCK">
<contactref element="IC1" pad="9"/>
<contactref element="JP1" pad="3"/>
</signal>
<signal name="MISO">
<contactref element="IC1" pad="8"/>
<contactref element="JP1" pad="1"/>
</signal>
<signal name="MOSI">
<contactref element="IC1" pad="7"/>
<contactref element="JP1" pad="4"/>
</signal>
<signal name="RX">
<contactref element="IC1" pad="12"/>
<contactref element="U$1" pad="5"/>
<contactref element="BUS" pad="3"/>
</signal>
<signal name="TX">
<contactref element="IC1" pad="13"/>
<contactref element="U$1" pad="4"/>
<contactref element="BUS" pad="1"/>
</signal>
<signal name="PA3">
<contactref element="IC1" pad="10"/>
</signal>
<signal name="PA7">
<contactref element="IC1" pad="6"/>
</signal>
<signal name="PB2">
<contactref element="IC1" pad="5"/>
</signal>
<signal name="PB1">
<contactref element="IC1" pad="3"/>
<contactref element="J_ULTRASONIC_1" pad="ECHO"/>
</signal>
<signal name="PA2">
<contactref element="IC1" pad="11"/>
</signal>
<signal name="PB0">
<contactref element="IC1" pad="2"/>
<contactref element="J_ULTRASONIC_1" pad="TRIG"/>
</signal>
<signal name="N$1">
</signal>
</signals>
</board>
</drawing>
</eagle>
