<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="7.6.0">
<drawing>
<board>
<plain>
<text>BOBRICIUS</text>
<text>Made in Slovakia</text>
<wire x1="2.54" y1="2.54" x2="99.06" y2="2.54" width="0" layer="20"/>
<wire x1="99.06" y1="2.54" x2="100.33" y2="3.81" width="0" layer="20"/>
<wire x1="100.33" y1="3.81" x2="100.33" y2="48.26" width="0" layer="20"/>
<wire x1="100.33" y1="48.26" x2="99.06" y2="49.53" width="0" layer="20"/>
<wire x1="99.06" y1="49.53" x2="2.54" y2="49.53" width="0" layer="20"/>
<wire x1="2.54" y1="49.53" x2="1.27" y2="48.26" width="0" layer="20"/>
<wire x1="1.27" y1="48.26" x2="1.27" y2="3.81" width="0" layer="20"/>
<wire x1="1.27" y1="3.81" x2="2.54" y2="2.54" width="0" layer="20"/>
<wire x1="64.135" y1="36.195" x2="71.12" y2="36.195" width="0" layer="20"/>
<wire x1="71.12" y1="36.195" x2="71.12" y2="29.845" width="0" layer="20"/>
<wire x1="71.12" y1="29.845" x2="64.135" y2="29.845" width="0" layer="20"/>
<wire x1="64.135" y1="29.845" x2="64.135" y2="36.195" width="0" layer="20"/>
<wire x1="52.705" y1="36.195" x2="59.69" y2="36.195" width="0" layer="20"/>
<wire x1="59.69" y1="36.195" x2="59.69" y2="29.845" width="0" layer="20"/>
<wire x1="59.69" y1="29.845" x2="52.705" y2="29.845" width="0" layer="20"/>
<wire x1="52.705" y1="29.845" x2="52.705" y2="36.195" width="0" layer="20"/>
<wire x1="41.275" y1="36.195" x2="48.26" y2="36.195" width="0" layer="20"/>
<wire x1="48.26" y1="36.195" x2="48.26" y2="29.845" width="0" layer="20"/>
<wire x1="48.26" y1="29.845" x2="41.275" y2="29.845" width="0" layer="20"/>
<wire x1="41.275" y1="29.845" x2="41.275" y2="36.195" width="0" layer="20"/>
<wire x1="29.845" y1="36.195" x2="36.83" y2="36.195" width="0" layer="20"/>
<wire x1="36.83" y1="36.195" x2="36.83" y2="29.845" width="0" layer="20"/>
<wire x1="36.83" y1="29.845" x2="29.845" y2="29.845" width="0" layer="20"/>
<wire x1="29.845" y1="29.845" x2="29.845" y2="36.195" width="0" layer="20"/>
<text>GND</text>
<text>+Bat</text>
<text>CHRG</text>
<text>CR2032</text>
<text>x</text>
<text>NoChg</text>
<text>BatPwr</text>
<text>VQB71</text>
<text>RTC.VCC</text>
<text>+</text>
<text>4K7</text>
<text>VCC</text>
<text>GND</text>
<text>SCL</text>
<text>SDA</text>
<text>Pprog</text>
<text>ATMEGA328</text>
</plain>
<libraries>
<library name="SparkFun">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
We've spent an enormous amount of time creating and checking these footprints and parts. If you enjoy using this library, please buy one of our products at www.sparkfun.com.
&lt;br&gt;&lt;br&gt;
&lt;b&gt;Licensing:&lt;/b&gt; CC v3.0 Share-Alike 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="SJ_2S-NO">
<description>Small solder jumper with no paste layer so it will open after reflow.</description>
</package>
<package name="SOT223">
<description>&lt;b&gt;SOT-223&lt;/b&gt;</description>
</package>
<package name="SJ_2S-NOTRACE">
</package>
</packages>
</library>
<library name="rcl">
<packages>
<package name="R0603">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="adafruit">
<packages>
<package name="SMT-8585-BUZZER">
</package>
<package name="SO16W">
<description>&lt;b&gt;SMALL OUTLINE INTEGRATED CIRCUIT&lt;/b&gt;&lt;p&gt;
wide body 7.5 mm/JEDEC MS-013AA</description>
</package>
<package name="CR2032-THRU">
</package>
</packages>
</library>
<library name="microbuilder">
<packages>
<package name="MOUNTINGHOLE_2.0_PLATED">
</package>
<package name="4UCONN_20329_V2">
</package>
<package name="SOT23-5">
<description>&lt;b&gt;Small Outline Transistor&lt;/b&gt; - 5 Pin</description>
</package>
<package name="CHIPLED_1206">
<description>&lt;b&gt;CHIPLED 1206&lt;/b&gt;</description>
</package>
<package name="0603-NO">
</package>
<package name="0805-NO">
</package>
</packages>
</library>
<library name="es">
<packages>
<package name="KX-327LT">
</package>
</packages>
</library>
<library name="transistor-small-signal">
<packages>
<package name="SOT23">
<description>&lt;b&gt;SOT-23&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="rc-master-smd">
<packages>
<package name="C0603">
<description>&lt;b&gt;SMD CHIP CAP&lt;/b&gt; - 0603</description>
</package>
</packages>
</library>
<library name="led">
<description>&lt;b&gt;LEDs&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;&lt;br&gt;
Extended by Federico Battaglin &lt;author&gt;&amp;lt;federico.rd@fdpinternational.com&amp;gt;&lt;/author&gt; with DUOLED</description>
<packages>
<package name="LED3MM">
<description>&lt;B&gt;LED&lt;/B&gt;&lt;p&gt;
3 mm, round</description>
</package>
</packages>
</library>
<library name="SparkFun-Connectors">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
In this library you'll find connectors and sockets- basically anything that can be plugged into or onto.&lt;br&gt;&lt;br&gt;
We've spent an enormous amount of time creating and checking these footprints and parts, but it is the end user's responsibility to ensure correctness and suitablity for a given componet or application. If you enjoy using this library, please buy one of our products at www.sparkfun.com.
&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="1X05-1.27MM">
<description>Header for OS4000-T</description>
</package>
<package name="2X3-NS">
</package>
<package name="1X17">
<description>&lt;h3&gt;Plated Through Hole -17 Pin&lt;/h3&gt;
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count:17&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_17&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</description>
</package>
<package name="1X04_NO_SILK">
<description>&lt;h3&gt;Plated Through Hole - 4 Pin No Silk Outline&lt;/h3&gt;
&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;Example device(s):
&lt;ul&gt;&lt;li&gt;CONN_04&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</description>
</package>
</packages>
</library>
<library name="SparkFun-Electromechanical">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
In this library you'll find anything that moves- switches, relays, buttons, potentiometers. Also, anything that goes on a board but isn't electrical in nature- screws, standoffs, etc.&lt;br&gt;&lt;br&gt;
We've spent an enormous amount of time creating and checking these footprints and parts, but it is the end user's responsibility to ensure correctness and suitablity for a given componet or application. If you enjoy using this library, please buy one of our products at www.sparkfun.com.
&lt;br&gt;&lt;br&gt;
&lt;b&gt;Licensing:&lt;/b&gt; CC v3.0 Share-Alike 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="TACTILE-PTH-12MM">
</package>
</packages>
</library>
<library name="avr">
<packages>
<package name="DIL28-3">
<description>&lt;B&gt;Dual In Line&lt;/B&gt; 0.3 inch</description>
</package>
</packages>
</library>
<library name="kcsx02">
<description>KCSx02 7 Segment LED modules</description>
<packages>
<package name="KCSX02-SM">
</package>
</packages>
</library>
<library name="buzzer">
<description>&lt;b&gt;Speakers and Buzzers&lt;/b&gt;&lt;p&gt;
&lt;ul&gt;Distributors:
&lt;li&gt;Buerklin
&lt;li&gt;Spoerle
&lt;li&gt;Schukat
&lt;/ul&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="EFBAA40D101">
<description>&lt;b&gt;Piezoelectric Acoustic Transducer&lt;/b&gt;&lt;p&gt;
Source: Panbasonic .. 2SC1685.pdf</description>
</package>
</packages>
</library>
<library name="pinhead">
<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="1X02">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="U$4" library="microbuilder" package="MOUNTINGHOLE_2.0_PLATED" value="MOUNTINGHOLE2.0"/>
<element name="U$5" library="microbuilder" package="MOUNTINGHOLE_2.0_PLATED" value="MOUNTINGHOLE2.0"/>
<element name="U$2" library="microbuilder" package="MOUNTINGHOLE_2.0_PLATED" value="MOUNTINGHOLE2.0"/>
<element name="U$3" library="microbuilder" package="MOUNTINGHOLE_2.0_PLATED" value="MOUNTINGHOLE2.0"/>
<element name="RC4" library="rcl" package="R0603" value="4k7"/>
<element name="RC5" library="rcl" package="R0603" value="4k7"/>
<element name="Q4" library="transistor-small-signal" package="SOT23" value="BSS123"/>
<element name="U$6" library="adafruit" package="SMT-8585-BUZZER" value="BUZZER"/>
<element name="IC3" library="adafruit" package="SO16W" value="DS3231/SO"/>
<element name="PWR2" library="SparkFun" package="SJ_2S-NO" value="SOLDERJUMPERNO"/>
<element name="LED3" library="led" package="LED3MM" value="">
<attribute name="VALUE"/>
</element>
<element name="R2" library="rcl" package="R0603" value="1k"/>
<element name="JP1" library="SparkFun-Connectors" package="1X05-1.27MM" value="">
<attribute name="VALUE"/>
</element>
<element name="JP2" library="SparkFun-Connectors" package="1X05-1.27MM" value="">
<attribute name="VALUE"/>
</element>
<element name="JP4" library="SparkFun-Connectors" package="1X05-1.27MM" value="">
<attribute name="VALUE"/>
</element>
<element name="JP5" library="SparkFun-Connectors" package="1X05-1.27MM" value="">
<attribute name="VALUE"/>
</element>
<element name="JP6" library="SparkFun-Connectors" package="1X05-1.27MM" value="">
<attribute name="VALUE"/>
</element>
<element name="JP7" library="SparkFun-Connectors" package="1X05-1.27MM" value="">
<attribute name="VALUE"/>
</element>
<element name="JP8" library="SparkFun-Connectors" package="1X05-1.27MM" value="">
<attribute name="VALUE"/>
</element>
<element name="JP9" library="SparkFun-Connectors" package="1X05-1.27MM" value="">
<attribute name="VALUE"/>
</element>
<element name="S3" library="SparkFun-Electromechanical" package="TACTILE-PTH-12MM" value="SWITCH-MOMENTARY-212MM">
<attribute name="PROD_ID" value="SWCH-09185"/>
</element>
<element name="IC2" library="avr" package="DIL28-3" value="ATMEGA328-20P"/>
<element name="JP3" library="SparkFun-Connectors" package="2X3-NS" value="">
<attribute name="VALUE"/>
</element>
<element name="R1" library="rcl" package="R0603" value="10k"/>
<element name="32,768KHZ1" library="es" package="KX-327LT" value="32768KHz"/>
<element name="C4" library="rc-master-smd" package="C0603" value="100n"/>
<element name="C5" library="rc-master-smd" package="C0603" value="100n"/>
<element name="NUM1" library="kcsx02" package="KCSX02-SM" value="KCSA02-109-SMALL"/>
<element name="NUM2" library="kcsx02" package="KCSX02-SM" value="KCSA02-109-SMALL"/>
<element name="NUM3" library="kcsx02" package="KCSX02-SM" value="KCSA02-109-SMALL"/>
<element name="NUM4" library="kcsx02" package="KCSX02-SM" value="KCSA02-109-SMALL"/>
<element name="J2" library="SparkFun-Connectors" package="1X17" value="">
<attribute name="VALUE"/>
</element>
<element name="J1" library="SparkFun-Connectors" package="1X04_NO_SILK" value="">
<attribute name="PROD_ID" value="CONN-09696"/>
<attribute name="VALUE"/>
</element>
<element name="U$7" library="adafruit" package="CR2032-THRU" value="">
<attribute name="VALUE"/>
</element>
<element name="S1" library="SparkFun-Electromechanical" package="TACTILE-PTH-12MM" value="SWITCH-MOMENTARY-212MM">
<attribute name="PROD_ID" value="SWCH-09185"/>
</element>
<element name="SG1" library="buzzer" package="EFBAA40D101" value="EFBAA40D101">
<attribute name="MF" value=""/>
<attribute name="MPN" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
<attribute name="OC_NEWARK" value="unknown"/>
</element>
<element name="S2" library="SparkFun-Electromechanical" package="TACTILE-PTH-12MM" value="SWITCH-MOMENTARY-212MM">
<attribute name="PROD_ID" value="SWCH-09185"/>
</element>
<element name="X6" library="microbuilder" package="4UCONN_20329_V2" value="microUSB"/>
<element name="U2" library="microbuilder" package="SOT23-5" value="MCP73831T-2ACI/OT"/>
<element name="CHG1" library="microbuilder" package="CHIPLED_1206" value="RED"/>
<element name="R7" library="microbuilder" package="0603-NO" value="1K"/>
<element name="C25" library="microbuilder" package="0805-NO" value="10µF"/>
<element name="R8" library="microbuilder" package="0603-NO" value="1K"/>
<element name="BAT" library="pinhead" package="1X02" value="">
<attribute name="VALUE"/>
</element>
<element name="C14" library="microbuilder" package="0805-NO" value="10µF"/>
<element name="IC1" library="SparkFun" package="SOT223" value="">
<attribute name="VALUE"/>
</element>
<element name="C3" library="rc-master-smd" package="C0603" value="100nF"/>
<element name="C1" library="rc-master-smd" package="C0603" value="100nF"/>
<element name="JUMPER2" library="SparkFun" package="SJ_2S-NOTRACE" value="SOLDERJUMPERNC2"/>
<element name="C2" library="rc-master-smd" package="C0603" value="15pF"/>
<element name="R3" library="microbuilder" package="0603-NO" value="10K\"/>
<element name="JUMPER3" library="SparkFun" package="SJ_2S-NOTRACE" value="SOLDERJUMPERNC2"/>
<element name="JUMPER1" library="SparkFun" package="SJ_2S-NOTRACE" value="SOLDERJUMPERNC2"/>
<element name="U$8" library="microbuilder" package="MOUNTINGHOLE_2.0_PLATED" value="MOUNTINGHOLE2.0"/>
<element name="U$10" library="microbuilder" package="MOUNTINGHOLE_2.0_PLATED" value="MOUNTINGHOLE2.0"/>
</elements>
<signals>
<signal name="SDA">
<contactref element="RC4" pad="2"/>
<contactref element="IC3" pad="15"/>
<contactref element="IC2" pad="27"/>
<contactref element="J1" pad="4"/>
</signal>
<signal name="SCL">
<contactref element="RC5" pad="2"/>
<contactref element="IC3" pad="16"/>
<contactref element="IC2" pad="28"/>
<contactref element="J1" pad="3"/>
</signal>
<signal name="GND">
<contactref element="Q4" pad="2"/>
<contactref element="IC3" pad="13"/>
<contactref element="LED3" pad="K"/>
<contactref element="IC2" pad="22"/>
<contactref element="IC2" pad="8"/>
<contactref element="JP3" pad="6"/>
<contactref element="C4" pad="1"/>
<contactref element="C5" pad="1"/>
<contactref element="S3" pad="1"/>
<contactref element="J1" pad="2"/>
<contactref element="U$7" pad="-"/>
<contactref element="S1" pad="1"/>
<contactref element="S2" pad="1"/>
<contactref element="X6" pad="GND"/>
<contactref element="X6" pad="SPRT@3"/>
<contactref element="X6" pad="BASE@2"/>
<contactref element="X6" pad="SPRT@2"/>
<contactref element="X6" pad="BASE@1"/>
<contactref element="X6" pad="SPRT@4"/>
<contactref element="X6" pad="SPRT@1"/>
<contactref element="C25" pad="2"/>
<contactref element="R8" pad="2"/>
<contactref element="U2" pad="2"/>
<contactref element="C14" pad="2"/>
<contactref element="BAT" pad="1"/>
<contactref element="IC1" pad="1"/>
<contactref element="C1" pad="2"/>
<contactref element="C3" pad="2"/>
<contactref element="C2" pad="2"/>
</signal>
<signal name="VCC">
<contactref element="RC4" pad="1"/>
<contactref element="RC5" pad="1"/>
<contactref element="U$6" pad="+"/>
<contactref element="PWR2" pad="2"/>
<contactref element="JP3" pad="2"/>
<contactref element="IC2" pad="7"/>
<contactref element="IC2" pad="20"/>
<contactref element="R1" pad="1"/>
<contactref element="C4" pad="2"/>
<contactref element="C5" pad="2"/>
<contactref element="J1" pad="1"/>
<contactref element="SG1" pad="1"/>
<contactref element="IC1" pad="2"/>
<contactref element="IC1" pad="4"/>
<contactref element="C3" pad="1"/>
<contactref element="C2" pad="1"/>
<contactref element="JUMPER3" pad="2"/>
</signal>
<signal name="A0">
<contactref element="JP6" pad="3"/>
<contactref element="JP7" pad="3"/>
<contactref element="IC2" pad="23"/>
<contactref element="NUM1" pad="3"/>
<contactref element="J2" pad="14"/>
</signal>
<signal name="RESET">
<contactref element="JP3" pad="5"/>
<contactref element="R1" pad="2"/>
<contactref element="IC2" pad="1"/>
</signal>
<signal name="SCK">
<contactref element="JP2" pad="5"/>
<contactref element="JP5" pad="5"/>
<contactref element="JP7" pad="5"/>
<contactref element="JP9" pad="5"/>
<contactref element="JP3" pad="3"/>
<contactref element="IC2" pad="19"/>
<contactref element="NUM2" pad="10"/>
<contactref element="NUM1" pad="10"/>
<contactref element="NUM3" pad="10"/>
<contactref element="NUM4" pad="10"/>
<contactref element="J2" pad="13"/>
</signal>
<signal name="MISO">
<contactref element="JP1" pad="4"/>
<contactref element="JP4" pad="4"/>
<contactref element="JP6" pad="4"/>
<contactref element="JP8" pad="4"/>
<contactref element="JP3" pad="1"/>
<contactref element="IC2" pad="18"/>
<contactref element="NUM2" pad="2"/>
<contactref element="NUM1" pad="2"/>
<contactref element="NUM3" pad="2"/>
<contactref element="NUM4" pad="2"/>
<contactref element="J2" pad="12"/>
</signal>
<signal name="MOSI">
<contactref element="IC2" pad="17"/>
<contactref element="JP3" pad="4"/>
<contactref element="J2" pad="11"/>
<contactref element="JUMPER2" pad="2"/>
<contactref element="R3" pad="1"/>
</signal>
<signal name="D9">
<contactref element="JP2" pad="3"/>
<contactref element="JP1" pad="3"/>
<contactref element="IC2" pad="15"/>
<contactref element="J2" pad="9"/>
</signal>
<signal name="A2">
<contactref element="JP4" pad="3"/>
<contactref element="JP5" pad="3"/>
<contactref element="IC2" pad="25"/>
<contactref element="NUM3" pad="3"/>
<contactref element="J2" pad="16"/>
</signal>
<signal name="A3">
<contactref element="IC2" pad="26"/>
<contactref element="NUM4" pad="3"/>
<contactref element="J2" pad="17"/>
</signal>
<signal name="D4">
<contactref element="JP2" pad="2"/>
<contactref element="JP5" pad="2"/>
<contactref element="JP7" pad="2"/>
<contactref element="JP9" pad="2"/>
<contactref element="IC2" pad="6"/>
<contactref element="NUM2" pad="7"/>
<contactref element="NUM1" pad="7"/>
<contactref element="NUM3" pad="7"/>
<contactref element="NUM4" pad="7"/>
<contactref element="J2" pad="4"/>
</signal>
<signal name="D8">
<contactref element="JP2" pad="4"/>
<contactref element="JP5" pad="4"/>
<contactref element="JP7" pad="4"/>
<contactref element="JP9" pad="4"/>
<contactref element="IC2" pad="14"/>
<contactref element="NUM2" pad="9"/>
<contactref element="NUM1" pad="9"/>
<contactref element="NUM3" pad="9"/>
<contactref element="NUM4" pad="9"/>
<contactref element="J2" pad="8"/>
</signal>
<signal name="D3">
<contactref element="Q4" pad="1"/>
<contactref element="IC2" pad="5"/>
<contactref element="J2" pad="1"/>
<contactref element="SG1" pad="2"/>
</signal>
<signal name="A1">
<contactref element="JP8" pad="3"/>
<contactref element="JP9" pad="3"/>
<contactref element="IC2" pad="24"/>
<contactref element="NUM2" pad="3"/>
<contactref element="J2" pad="15"/>
</signal>
<signal name="D5">
<contactref element="JP2" pad="1"/>
<contactref element="JP5" pad="1"/>
<contactref element="JP7" pad="1"/>
<contactref element="JP9" pad="1"/>
<contactref element="IC2" pad="11"/>
<contactref element="NUM2" pad="6"/>
<contactref element="NUM1" pad="6"/>
<contactref element="NUM3" pad="6"/>
<contactref element="NUM4" pad="6"/>
<contactref element="J2" pad="5"/>
</signal>
<signal name="D6">
<contactref element="JP1" pad="2"/>
<contactref element="JP4" pad="2"/>
<contactref element="JP6" pad="2"/>
<contactref element="JP8" pad="2"/>
<contactref element="IC2" pad="12"/>
<contactref element="NUM2" pad="4"/>
<contactref element="NUM1" pad="4"/>
<contactref element="NUM3" pad="4"/>
<contactref element="NUM4" pad="4"/>
<contactref element="J2" pad="6"/>
</signal>
<signal name="D7">
<contactref element="IC2" pad="13"/>
<contactref element="J2" pad="7"/>
<contactref element="S2" pad="3"/>
</signal>
<signal name="RXD">
<contactref element="IC3" pad="3"/>
</signal>
<signal name="D2">
<contactref element="S3" pad="3"/>
<contactref element="IC2" pad="4"/>
<contactref element="S1" pad="3"/>
</signal>
<signal name="D10">
<contactref element="JP1" pad="5"/>
<contactref element="JP4" pad="5"/>
<contactref element="JP6" pad="5"/>
<contactref element="JP8" pad="5"/>
<contactref element="NUM2" pad="1"/>
<contactref element="NUM1" pad="1"/>
<contactref element="NUM3" pad="1"/>
<contactref element="NUM4" pad="1"/>
<contactref element="J2" pad="10"/>
<contactref element="JUMPER2" pad="1"/>
<contactref element="R3" pad="2"/>
</signal>
<signal name="OUT">
<contactref element="Q4" pad="3"/>
<contactref element="U$6" pad="-"/>
</signal>
<signal name="VBAT">
<contactref element="IC1" pad="3"/>
<contactref element="C1" pad="1"/>
<contactref element="U2" pad="3"/>
<contactref element="C25" pad="1"/>
<contactref element="BAT" pad="2"/>
<contactref element="JUMPER1" pad="1"/>
</signal>
<signal name="N$12">
<contactref element="LED3" pad="A"/>
<contactref element="R2" pad="2"/>
</signal>
<signal name="D1">
<contactref element="IC2" pad="3"/>
<contactref element="J2" pad="3"/>
<contactref element="R2" pad="1"/>
</signal>
<signal name="AREF_RAW">
<contactref element="IC2" pad="21"/>
</signal>
<signal name="D0">
<contactref element="IC2" pad="2"/>
<contactref element="J2" pad="2"/>
</signal>
<signal name="N$2">
<contactref element="IC2" pad="9"/>
<contactref element="32,768KHZ1" pad="1"/>
</signal>
<signal name="N$4">
<contactref element="IC2" pad="10"/>
<contactref element="32,768KHZ1" pad="4"/>
</signal>
<signal name="VBUS">
<contactref element="X6" pad="VBUS"/>
<contactref element="U2" pad="4"/>
<contactref element="CHG1" pad="A"/>
<contactref element="C14" pad="1"/>
<contactref element="JUMPER1" pad="2"/>
</signal>
<signal name="N$27">
<contactref element="CHG1" pad="C"/>
<contactref element="R7" pad="1"/>
</signal>
<signal name="CHSTAT">
<contactref element="R7" pad="2"/>
<contactref element="U2" pad="1"/>
</signal>
<signal name="N$29">
<contactref element="U2" pad="5"/>
<contactref element="R8" pad="1"/>
</signal>
<signal name="D11">
<contactref element="NUM1" pad="5"/>
<contactref element="NUM2" pad="5"/>
<contactref element="NUM3" pad="5"/>
<contactref element="NUM4" pad="5"/>
<contactref element="JP8" pad="1"/>
<contactref element="JP6" pad="1"/>
<contactref element="JP4" pad="1"/>
<contactref element="JP1" pad="1"/>
<contactref element="IC2" pad="16"/>
</signal>
<signal name="RTCBAT">
<contactref element="IC3" pad="14"/>
<contactref element="PWR2" pad="1"/>
<contactref element="U$7" pad="+2"/>
<contactref element="U$7" pad="+1"/>
</signal>
<signal name="VCCX">
<contactref element="IC3" pad="2"/>
<contactref element="JUMPER3" pad="1"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
