<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="9.3.0">
<drawing>
<schematic>
<libraries>
<library name="fab">
<packages>
<package name="SOIC14">
<description>&lt;b&gt;Small Outline Package&lt;/b&gt;</description>
</package>
<package name="DIL14">
<description>&lt;b&gt;Dual In Line Package&lt;/b&gt;</description>
</package>
<package name="QFN/MLF20">
<description>&lt;b&gt;HP-VFQFP-N20&lt;/b&gt; Micro Lead Frame package (MLF)</description>
</package>
<package name="1X06SMD">
</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="2-SMD-5X3MM">
</package>
<package name="C1206">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;</description>
</package>
<package name="C1206K">
<description>&lt;b&gt;Ceramic Chip Capacitor KEMET 1206 reflow solder&lt;/b&gt;&lt;p&gt;
Metric Code Size 3216</description>
</package>
<package name="C1206FAB">
</package>
<package name="2X03SMD">
</package>
<package name="2X03">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
</packages>
<symbols>
<symbol name="ATTINY24/44/84">
<pin name="GND" direction="pwr"/>
<pin name="VCC" direction="pwr"/>
<pin name="(PCINT7/ICP/OC0B/ADC7)PA7"/>
<pin name="(PCINT6/OC1A/SDA/MOSI/ADC6)PA6"/>
<pin name="(PCINT5/OC1B/MISO/DO/ADC5)PA5"/>
<pin name="(PCINT4/T1/SCL/USCK/ADC4)PA4"/>
<pin name="(PCINT3/T0/ADC3)PA3"/>
<pin name="(PCINT2/AIN1/ADC2)PA2"/>
<pin name="(PCINT1/AIN0/ADC1)PA1"/>
<pin name="(PCINT0/AREF/ADC0)PA0"/>
<pin name="(PCINT11/RESET/DW)PB3"/>
<pin name="(PCINT10/INT0/OC0A/CKOUT)PB2"/>
<pin name="(PCINT9/XTAL2)PB1"/>
<pin name="(PCINT8/XTAL1/CLKI)PB0"/>
</symbol>
<symbol name="FTDI">
<pin name="GND"/>
<pin name="CTS"/>
<pin name="VCC"/>
<pin name="TXD"/>
<pin name="RXD"/>
<pin name="RTS"/>
</symbol>
<symbol name="R-US">
<pin name="2" direction="pas"/>
<pin name="1" direction="pas"/>
</symbol>
<symbol name="CRYSTAL">
<pin name="2" direction="pas"/>
<pin name="1" direction="pas"/>
</symbol>
<symbol name="C-US">
<pin name="1" direction="pas"/>
<pin name="2" direction="pas"/>
</symbol>
<symbol name="AVRISP">
<pin name="MISO" direction="pas" function="dot"/>
<pin name="VCC" direction="pas" function="dot"/>
<pin name="SCK" direction="pas" function="dot"/>
<pin name="MOSI" direction="pas" function="dot"/>
<pin name="RST" direction="pas" function="dot"/>
<pin name="GND" direction="pas" function="dot"/>
</symbol>
</symbols>
<devicesets>
<deviceset name="ATTINY44" prefix="IC">
<gates>
<gate name="1" symbol="ATTINY24/44/84"/>
</gates>
<devices>
<device name="-SSU" package="SOIC14">
<connects>
<connect gate="1" pin="(PCINT0/AREF/ADC0)PA0" pad="13"/>
<connect gate="1" pin="(PCINT1/AIN0/ADC1)PA1" pad="12"/>
<connect gate="1" pin="(PCINT10/INT0/OC0A/CKOUT)PB2" pad="5"/>
<connect gate="1" pin="(PCINT11/RESET/DW)PB3" pad="4"/>
<connect gate="1" pin="(PCINT2/AIN1/ADC2)PA2" pad="11"/>
<connect gate="1" pin="(PCINT3/T0/ADC3)PA3" pad="10"/>
<connect gate="1" pin="(PCINT4/T1/SCL/USCK/ADC4)PA4" pad="9"/>
<connect gate="1" pin="(PCINT5/OC1B/MISO/DO/ADC5)PA5" pad="8"/>
<connect gate="1" pin="(PCINT6/OC1A/SDA/MOSI/ADC6)PA6" pad="7"/>
<connect gate="1" pin="(PCINT7/ICP/OC0B/ADC7)PA7" pad="6"/>
<connect gate="1" pin="(PCINT8/XTAL1/CLKI)PB0" pad="2"/>
<connect gate="1" pin="(PCINT9/XTAL2)PB1" pad="3"/>
<connect gate="1" pin="GND" pad="14"/>
<connect gate="1" pin="VCC" pad="1"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
<device name="-PU" package="DIL14">
<connects>
<connect gate="1" pin="(PCINT0/AREF/ADC0)PA0" pad="13"/>
<connect gate="1" pin="(PCINT1/AIN0/ADC1)PA1" pad="12"/>
<connect gate="1" pin="(PCINT10/INT0/OC0A/CKOUT)PB2" pad="5"/>
<connect gate="1" pin="(PCINT11/RESET/DW)PB3" pad="4"/>
<connect gate="1" pin="(PCINT2/AIN1/ADC2)PA2" pad="11"/>
<connect gate="1" pin="(PCINT3/T0/ADC3)PA3" pad="10"/>
<connect gate="1" pin="(PCINT4/T1/SCL/USCK/ADC4)PA4" pad="9"/>
<connect gate="1" pin="(PCINT5/OC1B/MISO/DO/ADC5)PA5" pad="8"/>
<connect gate="1" pin="(PCINT6/OC1A/SDA/MOSI/ADC6)PA6" pad="7"/>
<connect gate="1" pin="(PCINT7/ICP/OC0B/ADC7)PA7" pad="6"/>
<connect gate="1" pin="(PCINT8/XTAL1/CLKI)PB0" pad="2"/>
<connect gate="1" pin="(PCINT9/XTAL2)PB1" pad="3"/>
<connect gate="1" pin="GND" pad="14"/>
<connect gate="1" pin="VCC" pad="1"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
<device name="-MU" package="QFN/MLF20">
<connects>
<connect gate="1" pin="(PCINT0/AREF/ADC0)PA0" pad="5"/>
<connect gate="1" pin="(PCINT1/AIN0/ADC1)PA1" pad="4"/>
<connect gate="1" pin="(PCINT10/INT0/OC0A/CKOUT)PB2" pad="14"/>
<connect gate="1" pin="(PCINT11/RESET/DW)PB3" pad="13"/>
<connect gate="1" pin="(PCINT2/AIN1/ADC2)PA2" pad="3"/>
<connect gate="1" pin="(PCINT3/T0/ADC3)PA3" pad="2"/>
<connect gate="1" pin="(PCINT4/T1/SCL/USCK/ADC4)PA4" pad="1"/>
<connect gate="1" pin="(PCINT5/OC1B/MISO/DO/ADC5)PA5" pad="20"/>
<connect gate="1" pin="(PCINT6/OC1A/SDA/MOSI/ADC6)PA6" pad="16"/>
<connect gate="1" pin="(PCINT7/ICP/OC0B/ADC7)PA7" pad="15"/>
<connect gate="1" pin="(PCINT8/XTAL1/CLKI)PB0" pad="11"/>
<connect gate="1" pin="(PCINT9/XTAL2)PB1" pad="12"/>
<connect gate="1" pin="GND" pad="8"/>
<connect gate="1" pin="VCC" pad="9"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
<deviceset name="FTDI-SMD-HEADER">
<gates>
<gate name="G$1" symbol="FTDI"/>
</gates>
<devices>
<device name="" package="1X06SMD">
<connects>
<connect gate="G$1" pin="CTS" pad="2"/>
<connect gate="G$1" pin="GND" pad="1"/>
<connect gate="G$1" pin="RTS" pad="6"/>
<connect gate="G$1" pin="RXD" pad="5"/>
<connect gate="G$1" pin="TXD" pad="4"/>
<connect gate="G$1" pin="VCC" 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="CRYSTAL">
<gates>
<gate name="G$1" symbol="CRYSTAL"/>
</gates>
<devices>
<device name="" package="2-SMD-5X3MM">
<connects>
<connect gate="G$1" pin="1" pad="P$1"/>
<connect gate="G$1" pin="2" pad="P$2"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
<deviceset name="CAP-US" prefix="C">
<gates>
<gate name="G$1" symbol="C-US"/>
</gates>
<devices>
<device name="1206" package="C1206">
<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="1206K" package="C1206K">
<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="C1206FAB">
<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="AVRISP">
<gates>
<gate name="G$1" symbol="AVRISP"/>
</gates>
<devices>
<device name="SMD" package="2X03SMD">
<connects>
<connect gate="G$1" pin="GND" pad="6"/>
<connect gate="G$1" pin="MISO" pad="1"/>
<connect gate="G$1" pin="MOSI" pad="4"/>
<connect gate="G$1" pin="RST" pad="5"/>
<connect gate="G$1" pin="SCK" pad="3"/>
<connect gate="G$1" pin="VCC" pad="2"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
<device name="" package="2X03">
<connects>
<connect gate="G$1" pin="GND" pad="6"/>
<connect gate="G$1" pin="MISO" pad="1"/>
<connect gate="G$1" pin="MOSI" pad="4"/>
<connect gate="G$1" pin="RST" pad="5"/>
<connect gate="G$1" pin="SCK" pad="3"/>
<connect gate="G$1" pin="VCC" pad="2"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
</devicesets>
</library>
<library name="supply2">
<description>&lt;b&gt;Supply Symbols&lt;/b&gt;&lt;p&gt;
GND, VCC, 0V, +5V, -5V, etc.&lt;p&gt;
Please keep in mind, that these devices are necessary for the
automatic wiring of the supply signals.&lt;p&gt;
The pin name defined in the symbol is identical to the net which is to be wired automatically.&lt;p&gt;
In this library the device names are the same as the pin names of the symbols, therefore the correct signal names appear next to the supply symbols in the schematic.&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
</packages>
<symbols>
<symbol name="VCC">
<pin name="VCC" direction="sup"/>
</symbol>
<symbol name="GND">
<pin name="GND" direction="sup"/>
</symbol>
</symbols>
<devicesets>
<deviceset name="VCC" prefix="SUPPLY">
<description>&lt;b&gt;SUPPLY SYMBOL&lt;/b&gt;</description>
<gates>
<gate name="G$1" symbol="VCC"/>
</gates>
<devices>
<device name="">
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
<deviceset name="GND" prefix="SUPPLY">
<description>&lt;b&gt;SUPPLY SYMBOL&lt;/b&gt;</description>
<gates>
<gate name="GND" symbol="GND"/>
</gates>
<devices>
<device name="">
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
</devicesets>
</library>
<library name="SparkFun-Connectors">
<description>&lt;h3&gt;SparkFun Connectors&lt;/h3&gt;
This library contains electrically-functional connectors. 
&lt;br&gt;
&lt;br&gt;
We've spent an enormous amount of time creating and checking these footprints and parts, but it is &lt;b&gt; the end user's responsibility&lt;/b&gt; to ensure correctness and suitablity for a given componet or application. 
&lt;br&gt;
&lt;br&gt;If you enjoy using this library, please buy one of our products at &lt;a href=" www.sparkfun.com"&gt;SparkFun.com&lt;/a&gt;.
&lt;br&gt;
&lt;br&gt;
&lt;b&gt;Licensing:&lt;/b&gt; Creative Commons ShareAlike 4.0 International - https://creativecommons.org/licenses/by-sa/4.0/ 
&lt;br&gt;
&lt;br&gt;
You are welcome to use this library for commercial purposes. For attribution, we ask that when you begin to sell your device using our footprint, you email us with a link to the product being sold. We want bragging rights that we helped (in a very small part) to create your 8th world wonder. We would like the opportunity to feature your device on our homepage.</description>
<packages>
<package name="1X02">
<description>&lt;h3&gt;Plated Through Hole&lt;/h3&gt;
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count:2&lt;/li&gt;
&lt;li&gt;Pin pitch:0.1"&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;
&lt;p&gt;Example device(s):
&lt;ul&gt;&lt;li&gt;CONN_02&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</description>
</package>
<package name="MOLEX-1X2">
<description>&lt;h3&gt;Molex 2-Pin Plated Through-Hole&lt;/h3&gt;
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count:2&lt;/li&gt;
&lt;li&gt;Pin pitch:0.1"&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;
&lt;p&gt;&lt;a href=”https://www.sparkfun.com/datasheets/Prototyping/2pin_molex_set_19iv10.pdf”&gt;Datasheet referenced for footprint&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;Example device(s):
&lt;ul&gt;&lt;li&gt;CONN_02&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</description>
</package>
<package name="SCREWTERMINAL-3.5MM-2">
<description>&lt;h3&gt;Screw Terminal  3.5mm Pitch - 2 Pin PTH&lt;/h3&gt;
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count: 2&lt;/li&gt;
&lt;li&gt;Pin pitch: 3.5mm/138mil&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;
&lt;p&gt;&lt;a href=”https://www.sparkfun.com/datasheets/Prototyping/Screw-Terminal-3.5mm.pdf”&gt;Datasheet referenced for footprint&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;Example device(s):
&lt;ul&gt;&lt;li&gt;CONN_02&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</description>
</package>
<package name="JST-2-SMD">
<description>&lt;h3&gt;JST-Right Angle Male Header SMT&lt;/h3&gt;
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count: 2&lt;/li&gt;
&lt;li&gt;Pin pitch: 2mm&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;
&lt;p&gt;&lt;a href=”http://www.4uconnector.com/online/object/4udrawing/20404.pdf”&gt;Datasheet referenced for footprint&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;Example device(s):
&lt;ul&gt;&lt;li&gt;CONN_02&lt;/li&gt;
&lt;li&gt;JST_2MM_MALE&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</description>
</package>
<package name="1X02_BIG">
<description>&lt;h3&gt;Plated Through Hole&lt;/h3&gt;
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count:2&lt;/li&gt;
&lt;li&gt;Pin pitch:0.15"&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;
&lt;p&gt;Example device(s):
&lt;ul&gt;&lt;li&gt;CONN_02&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</description>
</package>
<package name="JST-2-SMD-VERT">
<description>&lt;h3&gt;JST-Vertical Male Header SMT &lt;/h3&gt;
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count: 2&lt;/li&gt;
&lt;li&gt;Pin pitch: 2mm&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;
&lt;p&gt;&lt;a href=”http://www.4uconnector.com/online/object/4udrawing/20404.pdf”&gt;Datasheet referenced for footprint&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;Example device(s):
&lt;ul&gt;&lt;li&gt;CONN_02&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</description>
</package>
<package name="SCREWTERMINAL-5MM-2">
<description>&lt;h3&gt;Screw Terminal  5mm Pitch -2 Pin PTH&lt;/h3&gt;
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count: 2&lt;/li&gt;
&lt;li&gt;Pin pitch: 5mm/197mil&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;
&lt;p&gt;&lt;a href=”https://www.sparkfun.com/datasheets/Prototyping/Screw-Terminal-5mm.pdf”&gt;Datasheet referenced for footprint&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;Example device(s):
&lt;ul&gt;&lt;li&gt;CONN_02&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</description>
</package>
<package name="1X02_LOCK">
<description>&lt;h3&gt;Plated Through Hole - Locking Footprint&lt;/h3&gt;
Holes are staggered by 0.005" from center to hold pins while soldering. 
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count:2&lt;/li&gt;
&lt;li&gt;Pin pitch:0.1"&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;
&lt;p&gt;Example device(s):
&lt;ul&gt;&lt;li&gt;CONN_02&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</description>
</package>
<package name="MOLEX-1X2_LOCK">
<description>&lt;h3&gt;Molex 2-Pin Plated Through-Hole Locking Footprint&lt;/h3&gt;
Holes are offset from center by 0.005" to hold pins in place during soldering. 
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count:2&lt;/li&gt;
&lt;li&gt;Pin pitch:0.1"&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;
&lt;p&gt;&lt;a href=”https://www.sparkfun.com/datasheets/Prototyping/2pin_molex_set_19iv10.pdf”&gt;Datasheet referenced for footprint&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;Example device(s):
&lt;ul&gt;&lt;li&gt;CONN_02&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</description>
</package>
<package name="1X02_LOCK_LONGPADS">
<description>&lt;h3&gt;Plated Through Hole - Long Pads with Locking Footprint&lt;/h3&gt;
Pins are staggered by 0.005" from center to hold pins in place while soldering. 
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count:2&lt;/li&gt;
&lt;li&gt;Pin pitch:0.1"&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;
&lt;p&gt;Example device(s):
&lt;ul&gt;&lt;li&gt;CONN_02&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</description>
</package>
<package name="SCREWTERMINAL-3.5MM-2_LOCK">
<description>&lt;h3&gt;Screw Terminal  3.5mm Pitch - 2 Pin PTH Locking&lt;/h3&gt;
Holes are offset from center 0.005" to hold pins in place during soldering. 
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count: 2&lt;/li&gt;
&lt;li&gt;Pin pitch: 3.5mm/138mil&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;
&lt;p&gt;&lt;a href=”https://www.sparkfun.com/datasheets/Prototyping/Screw-Terminal-3.5mm.pdf”&gt;Datasheet referenced for footprint&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;Example device(s):
&lt;ul&gt;&lt;li&gt;CONN_02&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</description>
</package>
<package name="1X02_LONGPADS">
<description>&lt;h3&gt;Plated Through Hole - Long Pads without Silk Outline&lt;/h3&gt;
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count:2&lt;/li&gt;
&lt;li&gt;Pin pitch:0.1"&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;
&lt;p&gt;Example device(s):
&lt;ul&gt;&lt;li&gt;CONN_02&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</description>
</package>
<package name="1X02_NO_SILK">
<description>&lt;h3&gt;Plated Through Hole - No Silk Outline&lt;/h3&gt;
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count:2&lt;/li&gt;
&lt;li&gt;Pin pitch:0.1"&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;
&lt;p&gt;Example device(s):
&lt;ul&gt;&lt;li&gt;CONN_02&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</description>
</package>
<package name="JST-2-PTH">
<description>&lt;h3&gt;JST 2 Pin Right Angle Plated Through  Hole&lt;/h3&gt;
tDocu indicate polarity for connections that match SparkFun LiPo battery terminations. 
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count: 2&lt;/li&gt;
&lt;li&gt;Pin pitch:2mm&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;
&lt;p&gt;&lt;a href=”https://www.sparkfun.com/datasheets/Prototyping/Connectors/JST%282%29-01548.pdf”&gt;Datasheet referenced for footprint&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;Example device(s):
&lt;ul&gt;&lt;li&gt;CONN_02&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</description>
</package>
<package name="1X02_XTRA_BIG">
<description>&lt;h3&gt;Plated Through Hole - 0.1" holes&lt;/h3&gt;
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count:2&lt;/li&gt;
&lt;li&gt;Pin pitch:0.2"&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;
&lt;p&gt;Example device(s):
&lt;ul&gt;&lt;li&gt;CONN_02&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</description>
</package>
<package name="1X02_PP_HOLES_ONLY">
<description>&lt;h3&gt;Pogo Pins Connector - No Silk Outline&lt;/h3&gt;
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count:2&lt;/li&gt;
&lt;li&gt;Pin pitch:0.1"&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;
&lt;p&gt;Example device(s):
&lt;ul&gt;&lt;li&gt;CONN_02&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</description>
</package>
<package name="SCREWTERMINAL-3.5MM-2-NS">
<description>&lt;h3&gt;Screw Terminal  3.5mm Pitch - 2 Pin PTH No Silk Outline&lt;/h3&gt;
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count: 2&lt;/li&gt;
&lt;li&gt;Pin pitch: 3.5mm/138mil&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;
&lt;p&gt;&lt;a href=”https://www.sparkfun.com/datasheets/Prototyping/Screw-Terminal-3.5mm.pdf”&gt;Datasheet referenced for footprint&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;Example device(s):
&lt;ul&gt;&lt;li&gt;CONN_02&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</description>
</package>
<package name="JST-2-PTH-NS">
<description>&lt;h3&gt;JST 2 Pin Right Angle Plated Through  Hole- No Silk&lt;/h3&gt;
tDocu indicate polarity for connections that match SparkFun LiPo battery terminations. 
&lt;br&gt; No silk outline of connector. 
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count: 2&lt;/li&gt;
&lt;li&gt;Pin pitch:2mm&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;
&lt;p&gt;&lt;a href=”https://www.sparkfun.com/datasheets/Prototyping/Connectors/JST%282%29-01548.pdf”&gt;Datasheet referenced for footprint&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;Example device(s):
&lt;ul&gt;&lt;li&gt;CONN_02&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</description>
</package>
<package name="JST-2-PTH-KIT">
<description>&lt;h3&gt;JST 2 Pin Right Angle Plated Through  Hole - KIT&lt;/h3&gt;
tDocu indicate polarity for connections that match SparkFun LiPo battery terminations. 
&lt;br&gt; This package has a smaller diameter top stop mask, which doesn't cover the diameter of the pad.
&lt;br&gt; This means only the bottom side of the pads' copper will be exposed. You'll only be able to solder to the bottom side.
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count: 2&lt;/li&gt;
&lt;li&gt;Pin pitch:2mm&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;
&lt;p&gt;&lt;a href=”https://www.sparkfun.com/datasheets/Prototyping/Connectors/JST%282%29-01548.pdf”&gt;Datasheet referenced for footprint&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;Example device(s):
&lt;ul&gt;&lt;li&gt;CONN_02&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</description>
</package>
<package name="SPRINGTERMINAL-2.54MM-2">
<description>&lt;h3&gt;Spring Terminal- PCB Mount 2 Pin PTH&lt;/h3&gt;
tDocu marks the spring arms
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count: 4&lt;/li&gt;
&lt;li&gt;Pin pitch: 0.1"&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;
&lt;p&gt;&lt;a href=”https://www.sparkfun.com/datasheets/Prototyping/SpringTerminal.pdf”&gt;Datasheet referenced for footprint&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;Example device(s):
&lt;ul&gt;&lt;li&gt;CONN_02&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</description>
</package>
<package name="1X02_2.54_SCREWTERM">
<description>&lt;h3&gt;2 Pin Screw Terminal - 2.54mm&lt;/h3&gt;
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count:2&lt;/li&gt;
&lt;li&gt;Pin pitch:0.1"&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;
&lt;p&gt;Example device(s):
&lt;ul&gt;&lt;li&gt;CONN_02&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</description>
</package>
<package name="1X02_POKEHOME">
<description>2 pin poke-home connector

part number 2062-2P from STA</description>
</package>
<package name="1X02_RA_PTH_FEMALE">
</package>
</packages>
<symbols>
<symbol name="CONN_02">
<description>&lt;h3&gt;2 Pin Connection&lt;/h3&gt;</description>
<pin name="1" direction="pas"/>
<pin name="2" direction="pas"/>
</symbol>
</symbols>
<devicesets>
<deviceset name="CONN_02" prefix="J" uservalue="yes">
<description>&lt;h3&gt;Multi connection point. Often used as Generic Header-pin footprint for 0.1 inch spaced/style header connections&lt;/h3&gt;

&lt;p&gt;&lt;/p&gt;
&lt;b&gt;On any of the 0.1 inch spaced packages, you can populate with these:&lt;/b&gt;
&lt;ul&gt;
&lt;li&gt;&lt;a href="https://www.sparkfun.com/products/116"&gt; Break Away Headers - Straight&lt;/a&gt; (PRT-00116)&lt;/li&gt;
&lt;li&gt;&lt;a href="https://www.sparkfun.com/products/553"&gt; Break Away Male Headers - Right Angle&lt;/a&gt; (PRT-00553)&lt;/li&gt;
&lt;li&gt;&lt;a href="https://www.sparkfun.com/products/115"&gt; Female Headers&lt;/a&gt; (PRT-00115)&lt;/li&gt;
&lt;li&gt;&lt;a href="https://www.sparkfun.com/products/117"&gt; Break Away Headers - Machine Pin&lt;/a&gt; (PRT-00117)&lt;/li&gt;
&lt;li&gt;&lt;a href="https://www.sparkfun.com/products/743"&gt; Break Away Female Headers - Swiss Machine Pin&lt;/a&gt; (PRT-00743)&lt;/li&gt;
&lt;/ul&gt;

&lt;p&gt;&lt;/p&gt;
&lt;b&gt; For SCREWTERMINALS and SPRING TERMINALS visit here:&lt;/b&gt;
&lt;ul&gt;
&lt;li&gt;&lt;a href="https://www.sparkfun.com/search/results?term=Screw+Terminals"&gt; Screw Terimnals on SparkFun.com&lt;/a&gt; (5mm/3.5mm/2.54mm spacing)&lt;/li&gt;
&lt;/ul&gt;

&lt;p&gt;&lt;/p&gt;
&lt;b&gt;This device is also useful as a general connection point to wire up your design to another part of your project. Our various solder wires solder well into these plated through hole pads.&lt;/b&gt;
&lt;ul&gt;
&lt;li&gt;&lt;a href="https://www.sparkfun.com/products/11375"&gt; Hook-Up Wire - Assortment (Stranded, 22 AWG)&lt;/a&gt; (PRT-11375)&lt;/li&gt;
&lt;li&gt;&lt;a href="https://www.sparkfun.com/products/11367"&gt; Hook-Up Wire - Assortment (Solid Core, 22 AWG)&lt;/a&gt; (PRT-11367)&lt;/li&gt;
&lt;li&gt;&lt;a href="https://www.sparkfun.com/categories/141"&gt; View the entire wire category on our website here&lt;/a&gt;&lt;/li&gt;
&lt;p&gt;&lt;/p&gt;
&lt;/ul&gt;

&lt;p&gt;&lt;/p&gt;
&lt;b&gt;Special notes:&lt;/b&gt;

 Molex polarized connector foot print use with: PRT-08233 with associated crimp pins and housings.&lt;br&gt;&lt;br&gt;

2.54_SCREWTERM for use with  PRT-10571.&lt;br&gt;&lt;br&gt;

3.5mm Screw Terminal footprints for  PRT-08084&lt;br&gt;&lt;br&gt;

5mm Screw Terminal footprints for use with PRT-08432</description>
<gates>
<gate name="G$1" symbol="CONN_02"/>
</gates>
<devices>
<device name="" package="1X02">
<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="POLAR" package="MOLEX-1X2">
<connects>
<connect gate="G$1" pin="1" pad="1"/>
<connect gate="G$1" pin="2" pad="2"/>
</connects>
<technologies>
<technology name="">
<attribute name="SF_ID" value="PRT-09918"/>
</technology>
</technologies>
</device>
<device name="3.5MM" package="SCREWTERMINAL-3.5MM-2">
<connects>
<connect gate="G$1" pin="1" pad="1"/>
<connect gate="G$1" pin="2" pad="2"/>
</connects>
<technologies>
<technology name="">
<attribute name="PROD_ID" value="CONN-08399"/>
</technology>
</technologies>
</device>
<device name="-JST-2MM-SMT" package="JST-2-SMD">
<connects>
<connect gate="G$1" pin="1" pad="2"/>
<connect gate="G$1" pin="2" pad="1"/>
</connects>
<technologies>
<technology name="">
<attribute name="PROD_ID" value="CONN-11443"/>
</technology>
</technologies>
</device>
<device name="PTH2" package="1X02_BIG">
<connects>
<connect gate="G$1" pin="1" pad="P$1"/>
<connect gate="G$1" pin="2" pad="P$2"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
<device name="4UCON-15767" package="JST-2-SMD-VERT">
<connects>
<connect gate="G$1" pin="1" pad="GND"/>
<connect gate="G$1" pin="2" pad="VCC"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
<device name="5MM" package="SCREWTERMINAL-5MM-2">
<connects>
<connect gate="G$1" pin="1" pad="1"/>
<connect gate="G$1" pin="2" pad="2"/>
</connects>
<technologies>
<technology name="">
<attribute name="SF_SKU" value="PRT-08432"/>
</technology>
</technologies>
</device>
<device name="LOCK" package="1X02_LOCK">
<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="POLAR_LOCK" package="MOLEX-1X2_LOCK">
<connects>
<connect gate="G$1" pin="1" pad="1"/>
<connect gate="G$1" pin="2" pad="2"/>
</connects>
<technologies>
<technology name="">
<attribute name="SF_ID" value="PRT-09918"/>
</technology>
</technologies>
</device>
<device name="LOCK_LONGPADS" package="1X02_LOCK_LONGPADS">
<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="3.5MM_LOCK" package="SCREWTERMINAL-3.5MM-2_LOCK">
<connects>
<connect gate="G$1" pin="1" pad="1"/>
<connect gate="G$1" pin="2" pad="2"/>
</connects>
<technologies>
<technology name="">
<attribute name="PROD_ID" value="CONN-08399"/>
</technology>
</technologies>
</device>
<device name="PTH3" package="1X02_LONGPADS">
<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="1X02_NO_SILK" package="1X02_NO_SILK">
<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="JST-PTH-2" package="JST-2-PTH">
<connects>
<connect gate="G$1" pin="1" pad="1"/>
<connect gate="G$1" pin="2" pad="2"/>
</connects>
<technologies>
<technology name="">
<attribute name="PROD_ID" value="CONN-09863"/>
<attribute name="SKU" value="PRT-09914"/>
</technology>
</technologies>
</device>
<device name="PTH4" package="1X02_XTRA_BIG">
<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="POGO_PIN_HOLES_ONLY" package="1X02_PP_HOLES_ONLY">
<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="3.5MM-NO_SILK" package="SCREWTERMINAL-3.5MM-2-NS">
<connects>
<connect gate="G$1" pin="1" pad="1"/>
<connect gate="G$1" pin="2" pad="2"/>
</connects>
<technologies>
<technology name="">
<attribute name="PROD_ID" value="CONN-08399"/>
</technology>
</technologies>
</device>
<device name="-JST-2-PTH-NO_SILK" package="JST-2-PTH-NS">
<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="JST-PTH-2-KIT" package="JST-2-PTH-KIT">
<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="SPRING-2.54-RA" package="SPRINGTERMINAL-2.54MM-2">
<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="2.54MM_SCREWTERM" package="1X02_2.54_SCREWTERM">
<connects>
<connect gate="G$1" pin="1" pad="P1"/>
<connect gate="G$1" pin="2" pad="P2"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
<device name="SMALL_POKEHOME" package="1X02_POKEHOME">
<connects>
<connect gate="G$1" pin="1" pad="P1 P3"/>
<connect gate="G$1" pin="2" pad="P2 P4"/>
</connects>
<technologies>
<technology name="">
<attribute name="PROD_ID" value="CONN-13512"/>
</technology>
</technologies>
</device>
<device name="PTH_RA_FEMALE" package="1X02_RA_PTH_FEMALE">
<connects>
<connect gate="G$1" pin="1" pad="1"/>
<connect gate="G$1" pin="2" pad="2"/>
</connects>
<technologies>
<technology name="">
<attribute name="PROD_ID" value="CONN-13700"/>
</technology>
</technologies>
</device>
</devices>
</deviceset>
</devicesets>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<parts>
<part name="IC1" library="fab" deviceset="ATTINY44" device="-SSU"/>
<part name="U$1" library="fab" deviceset="FTDI-SMD-HEADER" device=""/>
<part name="R2" library="fab" deviceset="RES-US" device="1206FAB" value="10k"/>
<part name="U$2" library="fab" deviceset="CRYSTAL" device=""/>
<part name="C1" library="fab" deviceset="CAP-US" device="1206FAB" value="1uF"/>
<part name="C2" library="fab" deviceset="CAP-US" device="1206FAB" value="10pF"/>
<part name="C3" library="fab" deviceset="CAP-US" device="1206FAB" value="10pF"/>
<part name="U$4" library="fab" deviceset="AVRISP" device="SMD"/>
<part name="SUPPLY1" library="supply2" deviceset="VCC" device=""/>
<part name="SUPPLY2" library="supply2" deviceset="VCC" device=""/>
<part name="SUPPLY3" library="supply2" deviceset="VCC" device=""/>
<part name="SUPPLY4" library="supply2" deviceset="VCC" device=""/>
<part name="SUPPLY5" library="supply2" deviceset="VCC" device=""/>
<part name="SUPPLY6" library="supply2" deviceset="GND" device=""/>
<part name="SUPPLY7" library="supply2" deviceset="GND" device=""/>
<part name="SUPPLY8" library="supply2" deviceset="GND" device=""/>
<part name="SUPPLY9" library="supply2" deviceset="GND" device=""/>
<part name="SUPPLY10" library="supply2" deviceset="GND" device=""/>
<part name="R4" library="fab" deviceset="RES-US" device="1206FAB" value="0"/>
<part name="J1" library="SparkFun-Connectors" deviceset="CONN_02" device="LOCK_LONGPADS"/>
<part name="J2" library="SparkFun-Connectors" deviceset="CONN_02" device="LOCK_LONGPADS"/>
</parts>
<sheets>
<sheet>
<plain>
</plain>
<busses>
</busses>
<nets>
<net name="VCC">
<segment>
<pinref part="SUPPLY5" gate="G$1" pin="VCC"/>
<pinref part="C1" gate="G$1" pin="2"/>
<pinref part="R4" gate="G$1" pin="1"/>
</segment>
<segment>
<pinref part="SUPPLY3" gate="G$1" pin="VCC"/>
<pinref part="IC1" gate="1" pin="VCC"/>
</segment>
<segment>
<pinref part="SUPPLY1" gate="G$1" pin="VCC"/>
<pinref part="U$1" gate="G$1" pin="VCC"/>
<pinref part="R4" gate="G$1" pin="2"/>
</segment>
<segment>
<pinref part="R2" gate="G$1" pin="2"/>
<pinref part="SUPPLY2" gate="G$1" pin="VCC"/>
</segment>
<segment>
<pinref part="U$4" gate="G$1" pin="VCC"/>
<pinref part="SUPPLY4" gate="G$1" pin="VCC"/>
</segment>
</net>
<net name="GND">
<segment>
<pinref part="C1" gate="G$1" pin="1"/>
<pinref part="SUPPLY9" gate="GND" pin="GND"/>
</segment>
<segment>
<pinref part="SUPPLY8" gate="GND" pin="GND"/>
<pinref part="IC1" gate="1" pin="GND"/>
</segment>
<segment>
<pinref part="SUPPLY7" gate="GND" pin="GND"/>
<pinref part="U$1" gate="G$1" pin="GND"/>
</segment>
<segment>
<pinref part="C3" gate="G$1" pin="1"/>
<pinref part="C2" gate="G$1" pin="1"/>
<pinref part="SUPPLY6" gate="GND" pin="GND"/>
</segment>
<segment>
<pinref part="U$4" gate="G$1" pin="GND"/>
<pinref part="SUPPLY10" gate="GND" pin="GND"/>
</segment>
</net>
<net name="TXFTDI">
<segment>
<pinref part="IC1" gate="1" pin="(PCINT0/AREF/ADC0)PA0"/>
</segment>
<segment>
<pinref part="U$1" gate="G$1" pin="TXD"/>
</segment>
</net>
<net name="RXFTDI">
<segment>
<pinref part="U$1" gate="G$1" pin="RXD"/>
</segment>
<segment>
<pinref part="IC1" gate="1" pin="(PCINT1/AIN0/ADC1)PA1"/>
</segment>
</net>
<net name="PIN2">
<segment>
<pinref part="U$2" gate="G$1" pin="1"/>
<pinref part="C3" gate="G$1" pin="2"/>
</segment>
</net>
<net name="PIN3">
<segment>
<pinref part="U$2" gate="G$1" pin="2"/>
<pinref part="C2" gate="G$1" pin="2"/>
</segment>
</net>
<net name="RESET">
<segment>
<pinref part="R2" gate="G$1" pin="1"/>
</segment>
<segment>
<pinref part="IC1" gate="1" pin="(PCINT11/RESET/DW)PB3"/>
</segment>
<segment>
<pinref part="U$4" gate="G$1" pin="RST"/>
</segment>
</net>
<net name="MISO">
<segment>
<pinref part="U$4" gate="G$1" pin="MISO"/>
</segment>
<segment>
<pinref part="IC1" gate="1" pin="(PCINT5/OC1B/MISO/DO/ADC5)PA5"/>
</segment>
</net>
<net name="SCK">
<segment>
<pinref part="U$4" gate="G$1" pin="SCK"/>
</segment>
<segment>
<pinref part="IC1" gate="1" pin="(PCINT4/T1/SCL/USCK/ADC4)PA4"/>
</segment>
</net>
<net name="MOSI">
<segment>
<pinref part="IC1" gate="1" pin="(PCINT6/OC1A/SDA/MOSI/ADC6)PA6"/>
</segment>
<segment>
<pinref part="U$4" gate="G$1" pin="MOSI"/>
</segment>
</net>
<net name="N$3">
<segment>
<pinref part="IC1" gate="1" pin="(PCINT9/XTAL2)PB1"/>
</segment>
</net>
<net name="N$1">
<segment>
<pinref part="IC1" gate="1" pin="(PCINT10/INT0/OC0A/CKOUT)PB2"/>
<pinref part="J1" gate="G$1" pin="1"/>
</segment>
</net>
<net name="N$2">
<segment>
<pinref part="IC1" gate="1" pin="(PCINT7/ICP/OC0B/ADC7)PA7"/>
<pinref part="J1" gate="G$1" pin="2"/>
</segment>
</net>
<net name="N$4">
<segment>
<pinref part="IC1" gate="1" pin="(PCINT3/T0/ADC3)PA3"/>
<pinref part="J2" gate="G$1" pin="1"/>
</segment>
</net>
<net name="N$5">
<segment>
<pinref part="IC1" gate="1" pin="(PCINT2/AIN1/ADC2)PA2"/>
<pinref part="J2" gate="G$1" pin="2"/>
</segment>
</net>
</nets>
</sheet>
</sheets>
</schematic>
</drawing>
</eagle>
