<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="7.1.0">
<drawing>
<board>
<plain>
<text>GND</text>
<text>3.3V</text>
<text>RES</text>
<text>SCK</text>
<text>MISO</text>
<text>RetroWatch</text>
<text>gnd</text>
<text>vcc</text>
<text>sda</text>
<text>scl</text>
<wire x1="50.76" y1="33.68" x2="52.03" y2="32.41" width="0" layer="20" curve="-90"/>
<wire x1="52.03" y1="32.41" x2="52.03" y2="16.57" width="0" layer="20"/>
<wire x1="52.03" y1="16.57" x2="50.76" y2="15.3" width="0" layer="20" curve="-90"/>
<wire x1="18.99" y1="15.3" x2="17.72" y2="16.57" width="0" layer="20" curve="-90"/>
<wire x1="17.72" y1="16.57" x2="17.72" y2="32.41" width="0" layer="20"/>
<wire x1="17.72" y1="32.41" x2="18.99" y2="33.68" width="0" layer="20" curve="-90"/>
<wire x1="21.53" y1="12.76" x2="25.34" y2="8.95" width="0" layer="20" curve="90"/>
<wire x1="25.34" y1="8.95" x2="44.41" y2="8.95" width="0" layer="20"/>
<wire x1="44.41" y1="8.95" x2="48.22" y2="12.76" width="0" layer="20" curve="90"/>
<wire x1="48.22" y1="36.22" x2="44.41" y2="40.03" width="0" layer="20" curve="90"/>
<wire x1="44.41" y1="40.03" x2="25.34" y2="40.03" width="0" layer="20"/>
<wire x1="25.34" y1="40.03" x2="21.53" y2="36.22" width="0" layer="20" curve="90"/>
<wire x1="42.66" y1="37.74" x2="43.93" y2="36.47" width="0" layer="20" curve="-90"/>
<wire x1="43.93" y1="36.47" x2="42.66" y2="35.2" width="0" layer="20" curve="-90"/>
<wire x1="27.09" y1="35.2" x2="25.82" y2="36.47" width="0" layer="20" curve="-90"/>
<wire x1="25.82" y1="36.47" x2="27.09" y2="37.74" width="0" layer="20" curve="-90"/>
<wire x1="27.09" y1="37.74" x2="42.66" y2="37.74" width="0" layer="20"/>
<wire x1="42.66" y1="35.2" x2="27.09" y2="35.2" width="0" layer="20"/>
<wire x1="18.99" y1="33.68" x2="21.53" y2="36.22" width="0" layer="20" curve="90"/>
<wire x1="50.76" y1="33.68" x2="48.22" y2="36.22" width="0" layer="20" curve="-90"/>
<wire x1="18.99" y1="15.3" x2="21.53" y2="12.76" width="0" layer="20" curve="-90"/>
<wire x1="50.76" y1="15.3" x2="48.22" y2="12.76" width="0" layer="20" curve="90"/>
<wire x1="42.66" y1="13.74" x2="43.93" y2="12.47" width="0" layer="20" curve="-90"/>
<wire x1="43.93" y1="12.47" x2="42.66" y2="11.2" width="0" layer="20" curve="-90"/>
<wire x1="27.09" y1="11.2" x2="25.82" y2="12.47" width="0" layer="20" curve="-90"/>
<wire x1="25.82" y1="12.47" x2="27.09" y2="13.74" width="0" layer="20" curve="-90"/>
<wire x1="27.09" y1="13.74" x2="42.66" y2="13.74" width="0" layer="20"/>
<wire x1="42.66" y1="11.2" x2="27.09" y2="11.2" width="0" layer="20"/>
<text>D2</text>
<text>D7</text>
<text>+</text>
<text>-</text>
<text>RetroWatch 2</text>
<text>Bobricius</text>
<text>DS3231</text>
<text>Ch</text>
<text>LIR2032</text>
<text>+</text>
<text>-</text>
<text>a3</text>
<text>rx</text>
<text>tx</text>
<text>rst</text>
<text>+</text>
<text>BoboWatch</text>
<text>BoboWatch 2</text>
<text>-</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="TACTILE-SWITCH-1101NE">
<description>Sparkfun SKU# COM-08229</description>
</package>
<package name="SJ_2S-NO">
<description>Small solder jumper with no paste layer so it will open after reflow.</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="CHIPLED_0603">
<description>&lt;b&gt;CHIPLED&lt;/b&gt;&lt;p&gt;
Source: http://www.osram.convergy.de/ ... LG_LY Q971.pdf</description>
</package>
</packages>
</library>
<library name="rcl">
<packages>
<package name="R0603@1">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
chip</description>
</package>
<package name="R0603">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="SparkFunNew">
<packages>
<package name="RESONATOR-SMD">
</package>
<package name="SOT23-5">
<description>&lt;b&gt;Small Outline Transistor&lt;/b&gt;</description>
</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="adafruit">
<packages>
<package name="SOT23">
<description>&lt;b&gt;SOT-23&lt;/b&gt;</description>
</package>
<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>
</packages>
</library>
<library name="atmel">
<description>&lt;b&gt;AVR Devices&lt;/b&gt;&lt;p&gt;
Configurable logic, microcontrollers, nonvolatile memories&lt;p&gt;
Based on the following sources:&lt;p&gt;
&lt;ul&gt;
&lt;li&gt;www.atmel.com
&lt;li&gt;CD-ROM : Configurable Logic Microcontroller Nonvolatile Memory
&lt;li&gt;CadSoft download site, www.cadsoft.de or www.cadsoftusa.com , file at90smcu_v400.zip
&lt;li&gt;avr.lbr
&lt;/ul&gt;
&lt;author&gt;Revised by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="TQFP32-08">
<description>&lt;B&gt;Thin Plasic Quad Flat Package&lt;/B&gt; Grid 0.8 mm</description>
</package>
</packages>
</library>
<library name="zak">
<description>Zaks library</description>
<packages>
<package name="USB-MICROB_LARGEPAD">
</package>
<package name="SOD-323">
</package>
</packages>
</library>
<library name="microbuilder">
<packages>
<package name="MOUNTINGHOLE_2.0_PLATED">
</package>
<package name="SOT23-WIDE">
</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; 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="2X3-NS">
</package>
<package name="1X08_PIN1_NO_SILK">
</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="testpad">
<description>&lt;b&gt;Test Pins/Pads&lt;/b&gt;&lt;p&gt;
Cream on SMD OFF.&lt;br&gt;
new: Attribute TP_SIGNAL_NAME&lt;br&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="TP20R">
<description>&lt;b&gt;TEST PAD&lt;/b&gt;</description>
</package>
<package name="TP20SQ">
<description>&lt;b&gt;TEST PAD&lt;/b&gt;</description>
</package>
<package name="TP15R">
<description>&lt;b&gt;TEST PAD&lt;/b&gt;</description>
</package>
<package name="TP15SQ">
<description>&lt;b&gt;TEST PAD&lt;/b&gt;</description>
</package>
<package name="TP14SQ">
<description>&lt;b&gt;TEST PAD&lt;/b&gt;</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="RRST" library="rcl" package="R0603@1" value="10k"/>
<element name="X" library="SparkFunNew" package="RESONATOR-SMD" value="12MHz">
<attribute name="VALUE"/>
</element>
<element name="IC2" library="SparkFunNew" package="SOT23-5" value="MCP73831"/>
<element name="CHG" library="led" package="CHIPLED_0603" value="0805"/>
<element name="RC" library="rcl" package="R0603" value="22K"/>
<element name="IC1" library="atmel" package="TQFP32-08" value="ATMEGA328P">
<attribute name="OC_NEWARK" value="73M8863"/>
<attribute name="MPN" value="ATMEGA8-16AU"/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="9171371"/>
</element>
<element name="Q4" library="transistor-small-signal" package="SOT23" value="BSS123"/>
<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="USB1" library="zak" package="USB-MICROB_LARGEPAD" value="USB-MICROBLARGEPAD"/>
<element name="D7" library="SparkFun" package="TACTILE-SWITCH-1101NE" value="">
<attribute name="VALUE"/>
</element>
<element name="J1" library="SparkFun-Connectors" package="2X3-NS" value="AVR_SPI_PRG_6NS"/>
<element name="C4" library="rc-master-smd" package="C0603" value="100n"/>
<element name="C1" library="rc-master-smd" package="C0603" value="100n"/>
<element name="C2" library="rc-master-smd" package="C0603" value="100n"/>
<element name="C3" library="rc-master-smd" package="C0603" value="100n"/>
<element name="RC1" library="rcl" package="R0603" value="47"/>
<element name="RC2" library="rcl" package="R0603" value="47"/>
<element name="RC3" library="rcl" package="R0603" value="1k5"/>
<element name="RC4" library="rcl" package="R0603" value="4k7"/>
<element name="RC5" library="rcl" package="R0603" value="4k7"/>
<element name="RC6" library="rcl" package="R0603" value="1k"/>
<element name="PWR2" library="SparkFun" package="SJ_2S-NO" value="SOLDERJUMPERNO"/>
<element name="Q1" library="microbuilder" package="SOT23-WIDE" value="DMP2035U"/>
<element name="D1" library="zak" package="SOD-323" value="BAT60JFILM"/>
<element name="IC4" library="adafruit" package="SOT23" value="MCP1700-33"/>
<element name="TP1" library="testpad" package="TP15SQ" value="TPTP15SQ">
<attribute name="TP_SIGNAL_NAME" value=""/>
</element>
<element name="TP2" library="testpad" package="TP14SQ" value="TPTP14SQ">
<attribute name="TP_SIGNAL_NAME" value=""/>
</element>
<element name="TP3" library="testpad" package="TP15SQ" value="TPTP15SQ">
<attribute name="TP_SIGNAL_NAME" value=""/>
</element>
<element name="TP4" library="testpad" package="TP15SQ" value="TPTP15SQ">
<attribute name="TP_SIGNAL_NAME" value=""/>
</element>
<element name="TP5" library="testpad" package="TP15R" value="TPTP15R">
<attribute name="TP_SIGNAL_NAME" value=""/>
</element>
<element name="TP6" library="testpad" package="TP15SQ" value="TPTP15SQ">
<attribute name="TP_SIGNAL_NAME" value=""/>
</element>
<element name="TP7" library="testpad" package="TP15SQ" value="TPTP15SQ">
<attribute name="TP_SIGNAL_NAME" value=""/>
</element>
<element name="TP8" library="testpad" package="TP15SQ" value="TPTP15SQ">
<attribute name="TP_SIGNAL_NAME" value=""/>
</element>
<element name="TP9" library="testpad" package="TP15SQ" value="TPTP15SQ">
<attribute name="TP_SIGNAL_NAME" value=""/>
</element>
<element name="TP10" library="testpad" package="TP15SQ" value="TPTP15SQ">
<attribute name="TP_SIGNAL_NAME" value=""/>
</element>
<element name="TP11" library="testpad" package="TP15SQ" value="TPTP15SQ">
<attribute name="TP_SIGNAL_NAME" value=""/>
</element>
<element name="TP12" library="testpad" package="TP15SQ" value="TPTP15SQ">
<attribute name="TP_SIGNAL_NAME" value=""/>
</element>
<element name="TP13" library="testpad" package="TP20SQ" value="TPTP20SQ">
<attribute name="TP_SIGNAL_NAME" value=""/>
</element>
<element name="TP14" library="testpad" package="TP20SQ" value="TPTP20SQ">
<attribute name="TP_SIGNAL_NAME" value=""/>
</element>
<element name="U$6" library="adafruit" package="SMT-8585-BUZZER" value="BUZZER"/>
<element name="JP6" library="SparkFun-Connectors" package="1X08_PIN1_NO_SILK" value="">
<attribute name="VALUE"/>
</element>
<element name="TP15" library="testpad" package="TP20SQ" value="TPTP20SQ">
<attribute name="TP_SIGNAL_NAME" value=""/>
</element>
<element name="TP16" library="testpad" package="TP20SQ" value="TPTP20SQ">
<attribute name="TP_SIGNAL_NAME" value=""/>
</element>
<element name="D3-BOOT1" library="SparkFun" package="TACTILE-SWITCH-1101NE" value="">
<attribute name="VALUE"/>
</element>
<element name="TP17" library="testpad" package="TP20SQ" value="TPTP20SQ">
<attribute name="TP_SIGNAL_NAME" value=""/>
</element>
<element name="TP18" library="testpad" package="TP20R" value="TPTP20R">
<attribute name="TP_SIGNAL_NAME" value=""/>
</element>
<element name="IC3" library="adafruit" package="SO16W" value="DS3231/SO"/>
</elements>
<signals>
<signal name="SDA">
<contactref element="IC1" pad="27"/>
<contactref element="RC4" pad="2"/>
<contactref element="JP6" pad="2"/>
<contactref element="IC3" pad="15"/>
</signal>
<signal name="SCL">
<contactref element="IC1" pad="28"/>
<contactref element="RC5" pad="2"/>
<contactref element="JP6" pad="1"/>
<contactref element="IC3" pad="16"/>
</signal>
<signal name="VBAT">
<contactref element="IC2" pad="3"/>
<contactref element="IC2" pad="3"/>
<contactref element="Q1" pad="3"/>
<contactref element="TP13" pad="TP"/>
<contactref element="TP15" pad="TP"/>
<contactref element="TP18" pad="TP"/>
</signal>
<signal name="GND">
<contactref element="IC1" pad="3"/>
<contactref element="IC1" pad="5"/>
<contactref element="IC1" pad="21"/>
<contactref element="X" pad="2"/>
<contactref element="IC1" pad="3"/>
<contactref element="IC1" pad="5"/>
<contactref element="IC1" pad="21"/>
<contactref element="IC2" pad="2"/>
<contactref element="RC" pad="1"/>
<contactref element="Q4" pad="2"/>
<contactref element="D7" pad="P$2"/>
<contactref element="USB1" pad="GND"/>
<contactref element="J1" pad="6"/>
<contactref element="C4" pad="2"/>
<contactref element="C1" pad="2"/>
<contactref element="C2" pad="2"/>
<contactref element="C3" pad="2"/>
<contactref element="IC4" pad="1"/>
<contactref element="TP14" pad="TP"/>
<contactref element="JP6" pad="4"/>
<contactref element="TP16" pad="TP"/>
<contactref element="D3-BOOT1" pad="P$2"/>
<contactref element="TP17" pad="TP"/>
<contactref element="IC3" pad="13"/>
<contactref element="IC3" pad="2"/>
</signal>
<signal name="VCC">
<contactref element="IC1" pad="4"/>
<contactref element="IC1" pad="6"/>
<contactref element="IC1" pad="4"/>
<contactref element="IC1" pad="6"/>
<contactref element="IC1" pad="18"/>
<contactref element="RRST" pad="2"/>
<contactref element="J1" pad="2"/>
<contactref element="C2" pad="1"/>
<contactref element="C3" pad="1"/>
<contactref element="RC3" pad="1"/>
<contactref element="RC4" pad="1"/>
<contactref element="RC5" pad="1"/>
<contactref element="IC4" pad="2"/>
<contactref element="U$6" pad="+"/>
<contactref element="JP6" pad="3"/>
<contactref element="IC3" pad="14"/>
</signal>
<signal name="VBUS">
<contactref element="IC2" pad="4"/>
<contactref element="USB1" pad="VBUS"/>
<contactref element="C4" pad="1"/>
<contactref element="RC6" pad="2"/>
<contactref element="Q1" pad="1"/>
<contactref element="D1" pad="A"/>
</signal>
<signal name="N$5">
<contactref element="CHG" pad="C"/>
<contactref element="IC2" pad="1"/>
</signal>
<signal name="N$1">
<contactref element="IC2" pad="5"/>
<contactref element="RC" pad="2"/>
</signal>
<signal name="N$3">
<contactref element="X" pad="1"/>
<contactref element="IC1" pad="7"/>
</signal>
<signal name="N$4">
<contactref element="X" pad="3"/>
<contactref element="IC1" pad="8"/>
</signal>
<signal name="A0">
<contactref element="IC1" pad="23"/>
<contactref element="TP9" pad="TP"/>
</signal>
<signal name="RESET">
<contactref element="IC1" pad="29"/>
<contactref element="RRST" pad="1"/>
<contactref element="J1" pad="5"/>
<contactref element="JP6" pad="8"/>
</signal>
<signal name="AREF">
<contactref element="IC1" pad="20"/>
</signal>
<signal name="SCK">
<contactref element="IC1" pad="17"/>
<contactref element="J1" pad="3"/>
<contactref element="TP7" pad="TP"/>
</signal>
<signal name="MISO">
<contactref element="IC1" pad="16"/>
<contactref element="J1" pad="1"/>
<contactref element="TP4" pad="TP"/>
</signal>
<signal name="MOSI">
<contactref element="IC1" pad="15"/>
<contactref element="J1" pad="4"/>
<contactref element="TP8" pad="TP"/>
</signal>
<signal name="D9">
<contactref element="IC1" pad="13"/>
<contactref element="TP12" pad="TP"/>
</signal>
<signal name="A2">
<contactref element="IC1" pad="25"/>
<contactref element="TP3" pad="TP"/>
</signal>
<signal name="A3">
<contactref element="IC1" pad="26"/>
<contactref element="JP6" pad="5"/>
</signal>
<signal name="D4">
<contactref element="IC1" pad="2"/>
<contactref element="TP1" pad="TP"/>
</signal>
<signal name="D8">
<contactref element="IC1" pad="12"/>
<contactref element="TP6" pad="TP"/>
</signal>
<signal name="D3">
<contactref element="IC1" pad="1"/>
<contactref element="Q4" pad="1"/>
</signal>
<signal name="A1">
<contactref element="IC1" pad="24"/>
<contactref element="TP10" pad="TP"/>
</signal>
<signal name="D5">
<contactref element="IC1" pad="9"/>
<contactref element="TP2" pad="TP"/>
</signal>
<signal name="D6">
<contactref element="IC1" pad="10"/>
<contactref element="TP11" pad="TP"/>
</signal>
<signal name="D7">
<contactref element="IC1" pad="11"/>
<contactref element="RC2" pad="1"/>
<contactref element="D3-BOOT1" pad="P$1"/>
</signal>
<signal name="D-">
<contactref element="USB1" pad="D-"/>
<contactref element="RC2" pad="2"/>
<contactref element="RC3" pad="2"/>
</signal>
<signal name="D+">
<contactref element="USB1" pad="D+"/>
<contactref element="RC1" pad="2"/>
</signal>
<signal name="RXD">
<contactref element="IC1" pad="30"/>
<contactref element="JP6" pad="6"/>
</signal>
<signal name="TXD">
<contactref element="IC1" pad="31"/>
<contactref element="JP6" pad="7"/>
</signal>
<signal name="D2">
<contactref element="IC1" pad="32"/>
<contactref element="RC1" pad="1"/>
<contactref element="D7" pad="P$1"/>
<contactref element="PWR2" pad="2"/>
</signal>
<signal name="OUT">
<contactref element="Q4" pad="3"/>
<contactref element="U$6" pad="-"/>
</signal>
<signal name="D10">
<contactref element="IC1" pad="14"/>
<contactref element="TP5" pad="TP"/>
</signal>
<signal name="LEDX">
<contactref element="CHG" pad="A"/>
<contactref element="RC6" pad="1"/>
</signal>
<signal name="VIN">
<contactref element="C1" pad="1"/>
<contactref element="Q1" pad="2"/>
<contactref element="D1" pad="C"/>
<contactref element="IC4" pad="3"/>
</signal>
<signal name="INT">
<contactref element="PWR2" pad="1"/>
<contactref element="IC3" pad="3"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
