<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="9.3.1">
<drawing>
<schematic>
<libraries>
<library name="fab">
<packages>
<package name="EFOBM">
</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="R1206FAB">
</package>
<package name="C1206">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;</description>
</package>
<package name="C1206FAB">
</package>
</packages>
<symbols>
<symbol name="CERAMIC_RESONATOR">
<pin name="1" direction="pas"/>
<pin name="2" direction="pas"/>
<pin name="3" direction="pas"/>
</symbol>
<symbol name="R-US">
<pin name="2" direction="pas"/>
<pin name="1" direction="pas"/>
</symbol>
<symbol name="CAP-NONPOLARIZED">
<description>non-polarized capacitor</description>
<pin name="1" direction="pas"/>
<pin name="2" direction="pas"/>
</symbol>
</symbols>
<devicesets>
<deviceset name="RESONATOR">
<gates>
<gate name="G$1" symbol="CERAMIC_RESONATOR"/>
</gates>
<devices>
<device name="" package="EFOBM">
<connects>
<connect gate="G$1" pin="1" pad="1"/>
<connect gate="G$1" pin="2" pad="2"/>
<connect gate="G$1" pin="3" pad="3"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
<deviceset name="RES-US" prefix="R" uservalue="yes">
<description>&lt;b&gt;Resistor (US Symbol)&lt;/b&gt;
&lt;p&gt;
Variants with postfix FAB are widened to allow the routing of internal traces</description>
<gates>
<gate name="G$1" symbol="R-US"/>
</gates>
<devices>
<device name="1206" package="R1206">
<connects>
<connect gate="G$1" pin="1" pad="1"/>
<connect gate="G$1" pin="2" pad="2"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
<device name="1206W" package="R1206W">
<connects>
<connect gate="G$1" pin="1" pad="1"/>
<connect gate="G$1" pin="2" pad="2"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
<device name="1206FAB" package="R1206FAB">
<connects>
<connect gate="G$1" pin="1" pad="1"/>
<connect gate="G$1" pin="2" pad="2"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
<deviceset name="CAP-UNPOLARIZED" prefix="C">
<gates>
<gate name="&gt;NAME" symbol="CAP-NONPOLARIZED"/>
</gates>
<devices>
<device name="" package="C1206">
<connects>
<connect gate="&gt;NAME" pin="1" pad="1"/>
<connect gate="&gt;NAME" pin="2" pad="2"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
<device name="FAB" package="C1206FAB">
<connects>
<connect gate="&gt;NAME" pin="1" pad="1"/>
<connect gate="&gt;NAME" pin="2" pad="2"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
</devicesets>
</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="SOLDERJUMPER">
</package>
</packages>
<symbols>
<symbol name="2X3PINHEADER">
<pin name="1" direction="pas" function="dot"/>
<pin name="2" direction="pas" function="dot"/>
<pin name="3" direction="pas" function="dot"/>
<pin name="4" direction="pas" function="dot"/>
<pin name="5" direction="pas" function="dot"/>
<pin name="6" direction="pas" function="dot"/>
</symbol>
<symbol name="ATTINY24/44/84">
<pin name="GND" direction="pwr"/>
<pin name="VCC" direction="pwr"/>
<pin name="PA7(ICP/OC0B/ADC7)"/>
<pin name="PA6(OC1A/SDA/MOSI/ADC6)"/>
<pin name="(OC1B/MISO/DO/ADC5)PA5"/>
<pin name="(T1/SCL/USCK/ADC4)PA4"/>
<pin name="(T0/ADC3)PA3"/>
<pin name="(AIN1/ADC2)PA2"/>
<pin name="(AIN0/ADC1)PA1"/>
<pin name="(AREF/ADC0)PA0"/>
<pin name="RESET"/>
<pin name="PB2(INT0/OC0A/CKOUT)"/>
<pin name="PB1(XTAL2)"/>
<pin name="PB0(XTAL1/CLKI)"/>
</symbol>
<symbol name="GND">
<pin name="GND" direction="sup"/>
</symbol>
<symbol name="SOLDERJUMPER">
<pin name="2" direction="pas"/>
<pin name="1" direction="pas"/>
</symbol>
</symbols>
<devicesets>
<deviceset name="2X3PINHEADER" prefix="JP" uservalue="yes">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
<gates>
<gate name="A" symbol="2X3PINHEADER"/>
</gates>
<devices>
<device name="" package="2X3PINHEADER">
<connects>
<connect gate="A" pin="1" pad="GND"/>
<connect gate="A" pin="2" pad="RST"/>
<connect gate="A" pin="3" pad="MOSI"/>
<connect gate="A" pin="4" pad="SCK"/>
<connect gate="A" pin="5" pad="VCC"/>
<connect gate="A" pin="6" pad="MISO"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
<deviceset name="ATTINY44" prefix="IC" uservalue="yes">
<gates>
<gate name="1" symbol="ATTINY24/44/84"/>
</gates>
<devices>
<device name="-SSU" package="SOIC14_ATTTINY44">
<connects>
<connect gate="1" pin="(AIN0/ADC1)PA1" pad="12"/>
<connect gate="1" pin="(AIN1/ADC2)PA2" pad="11"/>
<connect gate="1" pin="(AREF/ADC0)PA0" pad="13"/>
<connect gate="1" pin="(OC1B/MISO/DO/ADC5)PA5" pad="8"/>
<connect gate="1" pin="(T0/ADC3)PA3" pad="10"/>
<connect gate="1" pin="(T1/SCL/USCK/ADC4)PA4" pad="9"/>
<connect gate="1" pin="GND" pad="14"/>
<connect gate="1" pin="PA6(OC1A/SDA/MOSI/ADC6)" pad="7"/>
<connect gate="1" pin="PA7(ICP/OC0B/ADC7)" pad="6"/>
<connect gate="1" pin="PB0(XTAL1/CLKI)" pad="2"/>
<connect gate="1" pin="PB1(XTAL2)" pad="3"/>
<connect gate="1" pin="PB2(INT0/OC0A/CKOUT)" pad="5"/>
<connect gate="1" pin="RESET" pad="4"/>
<connect gate="1" pin="VCC" pad="1"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
<deviceset name="GND">
<gates>
<gate name="G$1" symbol="GND"/>
</gates>
<devices>
<device name="">
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
<deviceset name="SOLDER_JUMPER">
<gates>
<gate name="G$1" symbol="SOLDERJUMPER"/>
</gates>
<devices>
<device name="" package="SOLDERJUMPER">
<connects>
<connect gate="G$1" pin="1" pad="1"/>
<connect gate="G$1" pin="2" pad="2"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
</devicesets>
</library>
<library name="pinhead-1">
<description>&lt;b&gt;Pin Header Connectors&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="1X06">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt; - 2.54</description>
</package>
<package name="1X06/90">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt; - 2.54 90°</description>
</package>
<package name="1X06M">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt; - 2</description>
</package>
<package name="1X06SMD">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt; - 2.54 SMD</description>
</package>
<package name="1X06SMD/90">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt; - 2.54 90°</description>
</package>
<package name="1X04">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt; - 2.54</description>
</package>
<package name="1X04/90">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt; - 2.54 90°</description>
</package>
<package name="1X04M">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt; - 2</description>
</package>
<package name="1X04SMD">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt; - 2.54 SMD</description>
</package>
<package name="1X04SMD/90">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt; - 2.54 90°</description>
</package>
</packages>
<symbols>
<symbol name="PINHD6">
<pin name="1" direction="pas" function="dot"/>
<pin name="2" direction="pas" function="dot"/>
<pin name="3" direction="pas" function="dot"/>
<pin name="4" direction="pas" function="dot"/>
<pin name="5" direction="pas" function="dot"/>
<pin name="6" direction="pas" function="dot"/>
</symbol>
<symbol name="PINHD4">
<pin name="1" direction="pas" function="dot"/>
<pin name="2" direction="pas" function="dot"/>
<pin name="3" direction="pas" function="dot"/>
<pin name="4" direction="pas" function="dot"/>
</symbol>
</symbols>
<devicesets>
<deviceset name="PINHD-1X6" prefix="JP" uservalue="yes">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
<gates>
<gate name="A" symbol="PINHD6"/>
</gates>
<devices>
<device name="_2.54" package="1X06">
<connects>
<connect gate="A" pin="1" pad="1"/>
<connect gate="A" pin="2" pad="2"/>
<connect gate="A" pin="3" pad="3"/>
<connect gate="A" pin="4" pad="4"/>
<connect gate="A" pin="5" pad="5"/>
<connect gate="A" pin="6" pad="6"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
<device name="_2.54-90°" package="1X06/90">
<connects>
<connect gate="A" pin="1" pad="1"/>
<connect gate="A" pin="2" pad="2"/>
<connect gate="A" pin="3" pad="3"/>
<connect gate="A" pin="4" pad="4"/>
<connect gate="A" pin="5" pad="5"/>
<connect gate="A" pin="6" pad="6"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
<device name="_2.00" package="1X06M">
<connects>
<connect gate="A" pin="1" pad="1"/>
<connect gate="A" pin="2" pad="2"/>
<connect gate="A" pin="3" pad="3"/>
<connect gate="A" pin="4" pad="4"/>
<connect gate="A" pin="5" pad="5"/>
<connect gate="A" pin="6" pad="6"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
<device name="_2.54-SMD" package="1X06SMD">
<connects>
<connect gate="A" pin="1" pad="1"/>
<connect gate="A" pin="2" pad="2"/>
<connect gate="A" pin="3" pad="3"/>
<connect gate="A" pin="4" pad="4"/>
<connect gate="A" pin="5" pad="5"/>
<connect gate="A" pin="6" pad="6"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
<device name="_2.54-SMD-90°" package="1X06SMD/90">
<connects>
<connect gate="A" pin="1" pad="1"/>
<connect gate="A" pin="2" pad="2"/>
<connect gate="A" pin="3" pad="3"/>
<connect gate="A" pin="4" pad="4"/>
<connect gate="A" pin="5" pad="5"/>
<connect gate="A" pin="6" pad="6"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
<deviceset name="PINHD-1X4" prefix="JP" uservalue="yes">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
<gates>
<gate name="A" symbol="PINHD4"/>
</gates>
<devices>
<device name="_2.54" package="1X04">
<connects>
<connect gate="A" pin="1" pad="1"/>
<connect gate="A" pin="2" pad="2"/>
<connect gate="A" pin="3" pad="3"/>
<connect gate="A" pin="4" pad="4"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
<device name="_2.54-90°" package="1X04/90">
<connects>
<connect gate="A" pin="1" pad="1"/>
<connect gate="A" pin="2" pad="2"/>
<connect gate="A" pin="3" pad="3"/>
<connect gate="A" pin="4" pad="4"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
<device name="_2.00" package="1X04M">
<connects>
<connect gate="A" pin="1" pad="1"/>
<connect gate="A" pin="2" pad="2"/>
<connect gate="A" pin="3" pad="3"/>
<connect gate="A" pin="4" pad="4"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
<device name="_2.54-SMD" package="1X04SMD">
<connects>
<connect gate="A" pin="1" pad="1"/>
<connect gate="A" pin="2" pad="2"/>
<connect gate="A" pin="3" pad="3"/>
<connect gate="A" pin="4" pad="4"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
<device name="_2.54-SMD-90°" package="1X04SMD/90">
<connects>
<connect gate="A" pin="1" pad="1"/>
<connect gate="A" pin="2" pad="2"/>
<connect gate="A" pin="3" pad="3"/>
<connect gate="A" pin="4" pad="4"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
</devicesets>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<parts>
<part name="U$1" library="fab" deviceset="RESONATOR" device=""/>
<part name="R0" library="fab" deviceset="RES-US" device="1206FAB"/>
<part name="C1" library="fab" deviceset="CAP-UNPOLARIZED" device="FAB" value="1uF"/>
<part name="IC1" library="myFab" deviceset="ATTINY44" device="-SSU"/>
<part name="U$7" library="myFab" deviceset="GND" device=""/>
<part name="JP1" library="myFab" deviceset="2X3PINHEADER" device=""/>
<part name="U$9" library="myFab" deviceset="GND" device=""/>
<part name="JP2" library="pinhead-1" deviceset="PINHD-1X6" device="_2.54-SMD-90°" value="Pines"/>
<part name="U$2" library="myFab" deviceset="GND" device=""/>
<part name="U$12" library="myFab" deviceset="SOLDER_JUMPER" device=""/>
<part name="JP5" library="pinhead-1" deviceset="PINHD-1X4" device="_2.54-SMD-90°"/>
<part name="JP6" library="pinhead-1" deviceset="PINHD-1X4" device="_2.54-SMD-90°"/>
<part name="U$3" library="myFab" deviceset="SOLDER_JUMPER" device=""/>
</parts>
<sheets>
<sheet>
<plain>
</plain>
<busses>
</busses>
<nets>
<net name="GND">
<segment>
<pinref part="JP1" gate="A" pin="1"/>
<pinref part="U$7" gate="G$1" pin="GND"/>
</segment>
<segment>
<pinref part="IC1" gate="1" pin="GND"/>
<pinref part="C1" gate="&gt;NAME" pin="2"/>
<pinref part="U$9" gate="G$1" pin="GND"/>
<pinref part="JP2" gate="A" pin="1"/>
</segment>
<segment>
<pinref part="U$1" gate="G$1" pin="2"/>
<pinref part="U$2" gate="G$1" pin="GND"/>
</segment>
<segment>
<pinref part="JP6" gate="A" pin="1"/>
</segment>
<segment>
<pinref part="JP5" gate="A" pin="4"/>
</segment>
</net>
<net name="N$8">
<segment>
<pinref part="IC1" gate="1" pin="(AREF/ADC0)PA0"/>
<pinref part="JP2" gate="A" pin="4"/>
</segment>
</net>
<net name="N$3">
<segment>
<pinref part="IC1" gate="1" pin="(T1/SCL/USCK/ADC4)PA4"/>
<pinref part="JP1" gate="A" pin="4"/>
</segment>
</net>
<net name="N$5">
<segment>
<pinref part="IC1" gate="1" pin="PA6(OC1A/SDA/MOSI/ADC6)"/>
<pinref part="JP1" gate="A" pin="3"/>
</segment>
</net>
<net name="N$17">
<segment>
<pinref part="IC1" gate="1" pin="(OC1B/MISO/DO/ADC5)PA5"/>
<pinref part="JP1" gate="A" pin="6"/>
</segment>
</net>
<net name="N$4">
<segment>
<pinref part="JP1" gate="A" pin="2"/>
<pinref part="R0" gate="G$1" pin="2"/>
<pinref part="IC1" gate="1" pin="RESET"/>
</segment>
</net>
<net name="N$9">
<segment>
<pinref part="IC1" gate="1" pin="(AIN0/ADC1)PA1"/>
<pinref part="JP2" gate="A" pin="5"/>
</segment>
</net>
<net name="N$1">
<segment>
<pinref part="U$1" gate="G$1" pin="3"/>
<pinref part="IC1" gate="1" pin="PB0(XTAL1/CLKI)"/>
</segment>
</net>
<net name="N$2">
<segment>
<pinref part="U$1" gate="G$1" pin="1"/>
<pinref part="IC1" gate="1" pin="PB1(XTAL2)"/>
</segment>
</net>
<net name="ECHO">
<segment>
<pinref part="IC1" gate="1" pin="PB2(INT0/OC0A/CKOUT)"/>
</segment>
<segment>
<pinref part="JP5" gate="A" pin="3"/>
</segment>
</net>
<net name="TRIG">
<segment>
<pinref part="IC1" gate="1" pin="PA7(ICP/OC0B/ADC7)"/>
</segment>
<segment>
<pinref part="JP5" gate="A" pin="2"/>
</segment>
</net>
<net name="VCC">
<segment>
<pinref part="R0" gate="G$1" pin="1"/>
<pinref part="IC1" gate="1" pin="VCC"/>
<pinref part="JP1" gate="A" pin="5"/>
<pinref part="JP2" gate="A" pin="3"/>
<pinref part="JP6" gate="A" pin="4"/>
</segment>
<segment>
<pinref part="U$12" gate="G$1" pin="1"/>
</segment>
<segment>
<pinref part="U$12" gate="G$1" pin="2"/>
<pinref part="C1" gate="&gt;NAME" pin="1"/>
</segment>
<segment>
<pinref part="JP5" gate="A" pin="1"/>
<pinref part="U$3" gate="G$1" pin="1"/>
</segment>
<segment>
<pinref part="U$3" gate="G$1" pin="2"/>
</segment>
</net>
<net name="OUT1">
<segment>
<pinref part="IC1" gate="1" pin="(AIN1/ADC2)PA2"/>
</segment>
<segment>
<pinref part="JP6" gate="A" pin="2"/>
</segment>
</net>
<net name="OUT2">
<segment>
<pinref part="IC1" gate="1" pin="(T0/ADC3)PA3"/>
</segment>
<segment>
<pinref part="JP6" gate="A" pin="3"/>
</segment>
</net>
</nets>
</sheet>
</sheets>
</schematic>
</drawing>
</eagle>
