<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="7.1.0">
<drawing>
<board>
<plain>
<text>FTDI</text>
<text>BLK</text>
<text>REG</text>
<text>GRN</text>
<text>ANT</text>
<hole x="3.175" y="3.175" drill="3.2"/>
<hole x="46.355" y="3.175" drill="3.2"/>
<hole x="3.175" y="46.355" drill="3.2"/>
<wire x1="0" y1="3.175" x2="0" y2="19.812" width="0.0254" layer="20"/>
<wire x1="0" y1="32.1818" x2="0" y2="46.355" width="0.0254" layer="20"/>
<wire x1="3.175" y1="49.53" x2="46.355" y2="49.53" width="0.0254" layer="20"/>
<wire x1="49.53" y1="46.355" x2="49.53" y2="3.175" width="0.0254" layer="20"/>
<text>RH011.1
Mar 2015</text>
<text>3208 Matrix Node
Richard Hawthorn
richardhawthorn.com</text>
<text>Charging</text>
<hole x="46.355" y="46.355" drill="3.2"/>
<wire x1="46.355" y1="0" x2="3.175" y2="0" width="0.0254" layer="20"/>
<wire x1="0" y1="46.355" x2="3.175" y2="49.53" width="0.0254" layer="20" curve="-90"/>
<wire x1="46.355" y1="49.53" x2="49.53" y2="46.355" width="0.0254" layer="20" curve="-90"/>
<wire x1="49.53" y1="3.175" x2="46.355" y2="0" width="0.0254" layer="20" curve="-90"/>
<wire x1="3.175" y1="0" x2="0" y2="3.175" width="0.0254" layer="20" curve="-90"/>
<text>10</text>
<text>11</text>
<text>12</text>
<text>13</text>
<text>SS</text>
<text>MO</text>
<text>MI</text>
<text>SK</text>
<text>A5</text>
<text>A4</text>
<text>A3</text>
<text>A2</text>
<text>SCL</text>
<text>SDA</text>
<text>VIN</text>
<text>3.3</text>
<text>0</text>
<text>1</text>
<text>2</text>
<text>3</text>
<text>4</text>
<text>5</text>
<text>6</text>
<text>7</text>
<text>8</text>
<text>9</text>
<text>RX</text>
<text>TX</text>
<text>~</text>
<text>~</text>
<text>~</text>
<text>~</text>
<text>A1</text>
<text>GND</text>
<text>IN1</text>
<text>IN2</text>
<text>gnd vcc</text>
<text>gnd vcc</text>
<text>gnd vcc</text>
<text>IN3</text>
<wire x1="0" y1="19.812" x2="14.1732" y2="19.812" width="0.0254" layer="20"/>
<wire x1="14.1732" y1="19.812" x2="14.1732" y2="32.1818" width="0.0254" layer="20"/>
<wire x1="14.1732" y1="32.1818" x2="0" y2="32.1818" width="0.0254" layer="20"/>
<hole x="3.175" y="45.1866" drill="3.2"/>
</plain>
<libraries>
<library name="SparkFun">
<packages>
<package name="RESONATOR-SMD">
</package>
<package name="SOT23-5">
<description>&lt;b&gt;Small Outline Transistor&lt;/b&gt;</description>
</package>
<package name="0603-CAP">
</package>
</packages>
</library>
<library name="linear">
<packages>
<package name="SOT23">
<description>&lt;b&gt;SMALL OUTLINE TRANSISTOR&lt;/b&gt;&lt;p&gt;
reflow soldering</description>
</package>
</packages>
</library>
<library name="LowPowerLab">
<packages>
<package name="TQFP32-08">
<description>&lt;B&gt;Thin Plasic Quad Flat Package&lt;/B&gt; Grid 0.8 mm</description>
</package>
<package name="0603-CAP">
</package>
<package name="0603-RES">
</package>
<package name="0805-CAP">
</package>
<package name="0603-LED">
</package>
<package name="RFM12B-ANTENNA">
</package>
<package name="RFM69W-MINPADS">
</package>
<package name="RFM12B-MINPADS">
</package>
<package name="USB-MINIB">
<description>Surface Mount USB Mini-B Connector</description>
</package>
</packages>
</library>
<library name="SparkFun-Aesthetics">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
In this library you'll find non-functional items- supply symbols, logos, notations, frame blocks, 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="OSHW-LOGO-S">
</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="1X06">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
<package name="2X03">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
<package name="1X14">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
<package name="1X08">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
<package name="2X08">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="adafruit">
<packages>
<package name="JST-PH-2-SMT-RA">
<description>2-Pin JST PH Series Right-Angle Connector (+/- for batteries)</description>
</package>
</packages>
</library>
<library name="SparkFun-Capacitors">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
In this library you'll find resistors, capacitors, inductors, test points, jumper pads, 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="0805">
</package>
</packages>
</library>
<library name="SparkFun-Resistors">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
In this library you'll find resistors, capacitors, inductors, test points, jumper pads, 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="0805">
</package>
</packages>
</library>
<library name="SparkFun-DiscreteSemi">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
In this library you'll find discrete semiconductors- transistors, diodes, TRIACs, optoisolators, 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="SMA-DIODE">
<description>&lt;B&gt;Diode&lt;/B&gt;&lt;p&gt;
Basic SMA packaged diode. Good for reverse polarization protection. Common part #: MBRA140</description>
</package>
<package name="SOT23-3">
</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="1X02_2.54_SCREWTERM">
</package>
</packages>
</library>
<library name="SparkFun-Passives">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
In this library you'll find resistors, capacitors, inductors, test points, jumper pads, 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; 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="PAD-JUMPER-3-2OF3_NC_BY_TRACE_YES_SILK_FULL_BOX">
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="X1" library="SparkFun" package="RESONATOR-SMD" value="16 MHz">
<attribute name="NAME"/>
</element>
<element name="U3" library="linear" package="SOT23" value="MCP1703CB">
<attribute name="NAME"/>
</element>
<element name="U1" library="LowPowerLab" package="TQFP32-08" value="ATMega-328">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C5" library="LowPowerLab" package="0603-CAP" value="0.1">
<attribute name="NAME"/>
</element>
<element name="R1" library="LowPowerLab" package="0603-RES" value="10k">
<attribute name="NAME"/>
</element>
<element name="C1" library="LowPowerLab" package="0603-CAP" value="0.1">
<attribute name="NAME"/>
</element>
<element name="C4" library="LowPowerLab" package="0603-CAP" value="0.1">
<attribute name="NAME"/>
</element>
<element name="C2" library="LowPowerLab" package="0603-CAP" value="1u">
<attribute name="NAME"/>
</element>
<element name="C3" library="LowPowerLab" package="0805-CAP" value="10u">
<attribute name="NAME"/>
</element>
<element name="U$3" library="SparkFun-Aesthetics" package="OSHW-LOGO-S" value=""/>
<element name="U$1" library="LowPowerLab" package="RFM12B-ANTENNA" value="RFM12B_ANTENNA"/>
<element name="RF2" library="LowPowerLab" package="RFM69W-MINPADS" value="RFM69"/>
<element name="RF1" library="LowPowerLab" package="RFM12B-MINPADS" value="RFM12B"/>
<element name="U2" library="SparkFun" package="SOT23-5" value="MCP73831">
<attribute name="NAME"/>
</element>
<element name="C6" library="SparkFun" package="0603-CAP" value="4u7">
<attribute name="NAME"/>
</element>
<element name="R3" library="LowPowerLab" package="0603-RES" value="1k5">
<attribute name="NAME"/>
</element>
<element name="R4" library="LowPowerLab" package="0603-RES" value="2K">
<attribute name="NAME"/>
</element>
<element name="CN3" library="adafruit" package="JST-PH-2-SMT-RA" value="BATT">
<attribute name="VALUE"/>
</element>
<element name="CN1" library="LowPowerLab" package="USB-MINIB" value="USB">
<attribute name="VALUE"/>
</element>
<element name="LED1" library="LowPowerLab" package="0603-LED" value="LED0603">
<attribute name="NAME"/>
</element>
<element name="C7" library="SparkFun-Capacitors" package="0805" value="1 uF">
<attribute name="NAME"/>
</element>
<element name="R5" library="SparkFun-Resistors" package="0805" value="100 K">
<attribute name="NAME"/>
</element>
<element name="D1" library="SparkFun-DiscreteSemi" package="SMA-DIODE" value="SCHOTTKY">
<attribute name="NAME"/>
</element>
<element name="Q1" library="SparkFun-DiscreteSemi" package="SOT23-3" value="MOSFET">
<attribute name="NAME"/>
</element>
<element name="CN4" library="pinhead" package="1X06" value="FTDI"/>
<element name="R17" library="LowPowerLab" package="0603-RES" value="470k">
<attribute name="NAME"/>
</element>
<element name="R18" library="LowPowerLab" package="0603-RES" value="470k">
<attribute name="NAME"/>
</element>
<element name="ICSP1" library="pinhead" package="2X03" value="ICSP">
<attribute name="VALUE"/>
</element>
<element name="C14" library="LowPowerLab" package="0603-CAP" value="0.1">
<attribute name="NAME"/>
</element>
<element name="JP3" library="pinhead" package="1X14" value="">
<attribute name="VALUE"/>
</element>
<element name="JP5" library="pinhead" package="1X08" value="">
<attribute name="VALUE"/>
</element>
<element name="IN1" library="SparkFun-Connectors" package="1X02_2.54_SCREWTERM" value="M022.54MM_SCREWTERM"/>
<element name="IN2" library="SparkFun-Connectors" package="1X02_2.54_SCREWTERM" value="M022.54MM_SCREWTERM"/>
<element name="LINK2" library="SparkFun-Passives" package="PAD-JUMPER-3-2OF3_NC_BY_TRACE_YES_SILK_FULL_BOX" value="JUMPER-PAD-3-2OF3_NC_BY_TRACE">
<attribute name="NAME"/>
</element>
<element name="LINK1" library="SparkFun-Passives" package="PAD-JUMPER-3-2OF3_NC_BY_TRACE_YES_SILK_FULL_BOX" value="JUMPER-PAD-3-2OF3_NC_BY_TRACE">
<attribute name="NAME"/>
</element>
<element name="IN3" library="SparkFun-Connectors" package="1X02_2.54_SCREWTERM" value="M022.54MM_SCREWTERM"/>
<element name="LINK3" library="SparkFun-Passives" package="PAD-JUMPER-3-2OF3_NC_BY_TRACE_YES_SILK_FULL_BOX" value="JUMPER-PAD-3-2OF3_NC_BY_TRACE">
<attribute name="NAME"/>
</element>
<element name="JP1" library="pinhead" package="2X08" value="">
<attribute name="VALUE"/>
</element>
</elements>
<signals>
<signal name="GND">
<contactref element="X1" pad="2"/>
<contactref element="U3" pad="1"/>
<contactref element="U1" pad="3"/>
<contactref element="U1" pad="21"/>
<contactref element="U1" pad="5"/>
<contactref element="C5" pad="2"/>
<contactref element="C4" pad="2"/>
<contactref element="C2" pad="2"/>
<contactref element="C3" pad="2"/>
<contactref element="RF2" pad="GND"/>
<contactref element="RF2" pad="GND"/>
<contactref element="RF1" pad="GND"/>
<contactref element="CN1" pad="GND"/>
<contactref element="C6" pad="2"/>
<contactref element="U2" pad="2"/>
<contactref element="R4" pad="1"/>
<contactref element="CN3" pad="2"/>
<contactref element="R5" pad="1"/>
<contactref element="C7" pad="2"/>
<contactref element="CN4" pad="1"/>
<contactref element="R18" pad="1"/>
<contactref element="ICSP1" pad="6"/>
<contactref element="C14" pad="2"/>
<contactref element="JP3" pad="14"/>
<contactref element="LINK2" pad="3"/>
<contactref element="LINK1" pad="3"/>
<contactref element="LINK3" pad="3"/>
<contactref element="JP1" pad="13"/>
<contactref element="JP1" pad="11"/>
<contactref element="JP1" pad="15"/>
</signal>
<signal name="D10_SS">
<contactref element="U1" pad="14"/>
<contactref element="RF2" pad="NSS"/>
<contactref element="RF1" pad="SEL"/>
<contactref element="JP5" pad="8"/>
</signal>
<signal name="RST">
<contactref element="U1" pad="29"/>
<contactref element="R1" pad="2"/>
<contactref element="C1" pad="1"/>
<contactref element="ICSP1" pad="5"/>
</signal>
<signal name="N$1">
<contactref element="X1" pad="1"/>
<contactref element="U1" pad="7"/>
</signal>
<signal name="N$21">
<contactref element="X1" pad="3"/>
<contactref element="U1" pad="8"/>
</signal>
<signal name="AREF">
<contactref element="U1" pad="20"/>
<contactref element="C5" pad="1"/>
</signal>
<signal name="PWR">
<contactref element="U3" pad="3"/>
<contactref element="C2" pad="1"/>
<contactref element="Q1" pad="2"/>
<contactref element="C7" pad="1"/>
<contactref element="D1" pad="C"/>
<contactref element="CN4" pad="3"/>
<contactref element="R17" pad="2"/>
<contactref element="JP3" pad="13"/>
<contactref element="JP1" pad="16"/>
<contactref element="JP1" pad="14"/>
<contactref element="JP1" pad="12"/>
</signal>
<signal name="N$20">
<contactref element="C1" pad="2"/>
<contactref element="CN4" pad="6"/>
</signal>
<signal name="D9">
<contactref element="U1" pad="13"/>
<contactref element="JP3" pad="2"/>
<contactref element="JP1" pad="7"/>
</signal>
<signal name="D8">
<contactref element="U1" pad="12"/>
<contactref element="JP3" pad="3"/>
<contactref element="JP1" pad="5"/>
</signal>
<signal name="D6">
<contactref element="U1" pad="10"/>
<contactref element="JP3" pad="5"/>
<contactref element="JP1" pad="3"/>
</signal>
<signal name="D5">
<contactref element="U1" pad="9"/>
<contactref element="JP3" pad="6"/>
<contactref element="JP1" pad="2"/>
</signal>
<signal name="D4">
<contactref element="U1" pad="2"/>
<contactref element="JP3" pad="7"/>
<contactref element="IN2" pad="P1"/>
</signal>
<signal name="D3">
<contactref element="U1" pad="1"/>
<contactref element="JP3" pad="8"/>
<contactref element="JP1" pad="1"/>
</signal>
<signal name="D1_TX">
<contactref element="U1" pad="31"/>
<contactref element="CN4" pad="5"/>
<contactref element="JP3" pad="10"/>
</signal>
<signal name="D0_RX">
<contactref element="U1" pad="30"/>
<contactref element="CN4" pad="4"/>
<contactref element="JP3" pad="11"/>
</signal>
<signal name="A6">
<contactref element="U1" pad="19"/>
</signal>
<signal name="A4_SDA">
<contactref element="U1" pad="27"/>
<contactref element="JP5" pad="3"/>
</signal>
<signal name="A3">
<contactref element="U1" pad="26"/>
<contactref element="JP5" pad="2"/>
</signal>
<signal name="A2">
<contactref element="U1" pad="25"/>
<contactref element="JP5" pad="1"/>
</signal>
<signal name="A1">
<contactref element="U1" pad="24"/>
<contactref element="JP3" pad="1"/>
<contactref element="IN1" pad="P1"/>
</signal>
<signal name="A0">
<contactref element="U1" pad="23"/>
<contactref element="R18" pad="2"/>
<contactref element="R17" pad="1"/>
<contactref element="C14" pad="1"/>
</signal>
<signal name="D2">
<contactref element="U1" pad="32"/>
<contactref element="RF2" pad="DIO0"/>
<contactref element="RF1" pad="IRQ"/>
<contactref element="JP3" pad="9"/>
</signal>
<signal name="D11_MOSI">
<contactref element="U1" pad="15"/>
<contactref element="RF2" pad="MOSI"/>
<contactref element="RF1" pad="SDI"/>
<contactref element="ICSP1" pad="4"/>
<contactref element="JP5" pad="7"/>
</signal>
<signal name="D12_MISO">
<contactref element="U1" pad="16"/>
<contactref element="RF2" pad="MISO"/>
<contactref element="RF1" pad="SDO"/>
<contactref element="ICSP1" pad="1"/>
<contactref element="JP5" pad="6"/>
</signal>
<signal name="D13_SCK">
<contactref element="U1" pad="17"/>
<contactref element="RF2" pad="SCK"/>
<contactref element="RF1" pad="SCK"/>
<contactref element="ICSP1" pad="3"/>
<contactref element="JP5" pad="5"/>
</signal>
<signal name="A7">
<contactref element="U1" pad="22"/>
<contactref element="IN3" pad="P1"/>
</signal>
<signal name="A5_SCL">
<contactref element="U1" pad="28"/>
<contactref element="JP5" pad="4"/>
</signal>
<signal name="D7">
<contactref element="U1" pad="11"/>
<contactref element="JP3" pad="4"/>
<contactref element="JP1" pad="4"/>
</signal>
<signal name="N$3">
<contactref element="U$1" pad="P$1"/>
<contactref element="RF2" pad="ANA"/>
<contactref element="RF1" pad="ANT"/>
</signal>
<signal name="VBAT">
<contactref element="U2" pad="3"/>
<contactref element="CN3" pad="1"/>
<contactref element="Q1" pad="3"/>
</signal>
<signal name="N$4">
<contactref element="R3" pad="2"/>
<contactref element="LED1" pad="PLUS"/>
</signal>
<signal name="PROG">
<contactref element="U2" pad="5"/>
<contactref element="R4" pad="2"/>
</signal>
<signal name="STAT">
<contactref element="U2" pad="1"/>
<contactref element="LED1" pad="MINUS"/>
</signal>
<signal name="VBUS">
<contactref element="CN1" pad="VBUS"/>
<contactref element="R3" pad="1"/>
<contactref element="C6" pad="1"/>
<contactref element="U2" pad="4"/>
<contactref element="D1" pad="A"/>
<contactref element="R5" pad="2"/>
<contactref element="Q1" pad="1"/>
</signal>
<signal name="3.3V">
<contactref element="U1" pad="6"/>
<contactref element="U1" pad="18"/>
<contactref element="U1" pad="4"/>
<contactref element="R1" pad="1"/>
<contactref element="RF2" pad="VDD"/>
<contactref element="RF2" pad="VDD"/>
<contactref element="RF1" pad="VDD"/>
<contactref element="U3" pad="2"/>
<contactref element="C4" pad="1"/>
<contactref element="C3" pad="1"/>
<contactref element="ICSP1" pad="2"/>
<contactref element="JP3" pad="12"/>
<contactref element="LINK2" pad="1"/>
<contactref element="LINK1" pad="1"/>
<contactref element="LINK3" pad="1"/>
</signal>
<signal name="N$13">
<contactref element="IN1" pad="P2"/>
<contactref element="LINK1" pad="2"/>
</signal>
<signal name="N$15">
<contactref element="IN2" pad="P2"/>
<contactref element="LINK2" pad="2"/>
</signal>
<signal name="N$19">
<contactref element="IN3" pad="P2"/>
<contactref element="LINK3" pad="2"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
