<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="7.4.0">
<drawing>
<board>
<plain>
<wire x1="0" y1="0" x2="73.6475" y2="0" width="0" layer="20"/>
<wire x1="73.6475" y1="0" x2="73.6475" y2="36.82" width="0" layer="20"/>
<wire x1="73.6475" y1="36.82" x2="0" y2="36.82" width="0" layer="20"/>
<wire x1="0" y1="36.82" x2="0" y2="0" width="0" layer="20"/>
<text>5V</text>
<text>GND</text>
<text>5V</text>
<text>GND</text>
<text>GND</text>
<text>GND</text>
<text>5V</text>
<text>GND</text>
<text>GND</text>
<text>GND</text>
<text>3V</text>
<text>3V</text>
<text>3V</text>
<text>AIS Logic Stage
Rev 3.2
(c) 2016 Peter Antypas</text>
</plain>
<libraries>
<library name="adafruit">
<packages>
<package name="1X01">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
<package name="CHIP-LED0603">
<description>&lt;b&gt;Hyper CHIPLED Hyper-Bright LED&lt;/b&gt;&lt;p&gt;
LB Q993&lt;br&gt;
Source: http://www.osram.convergy.de/ ... Lb_q993.pdf</description>
</package>
<package name="USB-MINIB">
<description>Surface Mount USB Mini-B Connector</description>
</package>
<package name="CR1220-SMD">
</package>
<package name="FGPMMOPA6H">
</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; 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="0603-CAP">
</package>
<package name="0805">
</package>
</packages>
</library>
<library name="linear">
<description>&lt;b&gt;Linear Devices&lt;/b&gt;&lt;p&gt;
Operational amplifiers,  comparators, voltage regulators, ADCs, DACs, etc.&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<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="silabs">
<description>Silicon Laboratories&lt;p&gt;
C8051Fxxx family of mixed-signal microcontrollers integrates world-class analog,&lt;br&gt;
a high-speed pipelined 8051 CPU, ISP Flash Memory,&lt;br&gt;
and on-chip JTAG based debug in each device.&lt;br&gt;
The combination of configurable high-performance analog,&lt;br&gt;
100 MIPS 8051 core and in-system field programmability provides the user with complete design flexibility,&lt;br&gt;
improved time-to-market, superior system performance and greater end product differentiation.&lt;p&gt;

Source: http://www.silabs.com&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="MLP28">
<description>&lt;b&gt;MLP 28&lt;/b&gt;&lt;p&gt;
Source: www.silabs.com .. CP2101.pdf</description>
</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="0603">
</package>
<package name="0603-RES">
</package>
</packages>
</library>
<library name="stm32">
<packages>
<package name="LQFP48">
</package>
</packages>
</library>
<library name="eeprom">
<packages>
<package name="SOT23-5">
</package>
</packages>
</library>
<library name="GeekAmmo">
<description>&lt;h3&gt;GeekAmmo  Library&lt;/h3&gt;

These are parts used by the GeekAmmo company (now part of SparkFun Electronics)!

 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="7914G">
<description>&lt;b&gt;Bourns 7914G 4 mm SMD Sealed Key Switch&lt;/b&gt;
&lt;br/&gt;
&lt;br/&gt;
http://www.bourns.com/data/global/pdfs/7914.pdf</description>
</package>
</packages>
</library>
<library name="Littelfuse_By_element14_Batch_1">
<description>Developed by element14 :&lt;br&gt;
element14 CAD Library consolidation.ulp
at 25/07/2012 10:23:27</description>
<packages>
<package name="SOT95P280X145-5N">
</package>
</packages>
</library>
<library name="txc">
<packages>
<package name="TXC_7A">
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="3V@1" library="adafruit" package="1X01" value="">
<attribute name="VALUE"/>
</element>
<element name="5V@1" library="adafruit" package="1X01" value="">
<attribute name="VALUE"/>
</element>
<element name="5V@2" library="adafruit" package="1X01" value="">
<attribute name="VALUE"/>
</element>
<element name="5V@3" library="adafruit" package="1X01" value="">
<attribute name="VALUE"/>
</element>
<element name="BLU" library="adafruit" package="CHIP-LED0603" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C1" library="SparkFun-Capacitors" package="0603-CAP" value=""/>
<element name="C10" library="SparkFun-Capacitors" package="0805" value=""/>
<element name="C11" library="SparkFun-Capacitors" package="0603-CAP" value=""/>
<element name="C12" library="SparkFun-Capacitors" package="0603-CAP" value=""/>
<element name="C13" library="SparkFun-Capacitors" package="0603-CAP" value="1nF"/>
<element name="C14" library="SparkFun-Capacitors" package="0603-CAP" value="1uF"/>
<element name="C2" library="SparkFun-Capacitors" package="0603-CAP" value=""/>
<element name="C3" library="SparkFun-Capacitors" package="0603-CAP" value=""/>
<element name="C4" library="SparkFun-Capacitors" package="0603-CAP" value=""/>
<element name="C5" library="SparkFun-Capacitors" package="0603-CAP" value=""/>
<element name="C6" library="SparkFun-Capacitors" package="0603-CAP" value=""/>
<element name="C7" library="SparkFun-Capacitors" package="0603-CAP" value=""/>
<element name="C8" library="SparkFun-Capacitors" package="0603-CAP" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C9" library="SparkFun-Capacitors" package="0805" value=""/>
<element name="CLK1" library="adafruit" package="1X01" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="CLK2" library="adafruit" package="1X01" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="CN1" library="adafruit" package="USB-MINIB" value="">
<attribute name="VALUE"/>
</element>
<element name="CR1220" library="adafruit" package="CR1220-SMD" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="CS1" library="adafruit" package="1X01" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="CS2" library="adafruit" package="1X01" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="DBG" library="adafruit" package="1X01" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="FIX" library="adafruit" package="CHIP-LED0603" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="GND@1" library="adafruit" package="1X01" value="">
<attribute name="VALUE"/>
</element>
<element name="GND@2" library="adafruit" package="1X01" value="">
<attribute name="VALUE"/>
</element>
<element name="GND@3" library="adafruit" package="1X01" value="">
<attribute name="VALUE"/>
</element>
<element name="GND@4" library="adafruit" package="1X01" value="">
<attribute name="VALUE"/>
</element>
<element name="ORNG" library="adafruit" package="CHIP-LED0603" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="IC1" library="linear" package="SOT23" value="MCP1703CB"/>
<element name="IC2" library="silabs" package="MLP28" value="CP2102">
<attribute name="OC_NEWARK" value="30K5635"/>
<attribute name="MF" value="FARNELL"/>
<attribute name="OC_FARNELL" value="9282130"/>
<attribute name="MPN" value="CP2102-GM"/>
<attribute name="NAME"/>
</element>
<element name="L1" library="SparkFun-Passives" package="0603" value="">
<attribute name="PROD_ID" value="RES-07859"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="L8" library="SparkFun-Passives" package="0603" value=""/>
<element name="GRN" library="adafruit" package="CHIP-LED0603" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="P1_1" library="adafruit" package="1X01" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="P1_2" library="adafruit" package="1X01" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="P3_1" library="adafruit" package="1X01" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="P3_2" library="adafruit" package="1X01" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R1" library="SparkFun-Passives" package="0603-RES" value=""/>
<element name="R2" library="SparkFun-Passives" package="0603-RES" value=""/>
<element name="R3" library="SparkFun-Passives" package="0603-RES" value=""/>
<element name="R4" library="SparkFun-Passives" package="0603-RES" value=""/>
<element name="R5" library="SparkFun-Passives" package="0603-RES" value="4K7"/>
<element name="R6" library="SparkFun-Passives" package="0603-RES" value="10K"/>
<element name="R7" library="SparkFun-Passives" package="0603-RES" value=""/>
<element name="R8" library="SparkFun-Passives" package="0603-RES" value=""/>
<element name="RED" library="adafruit" package="CHIP-LED0603" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="RST" library="adafruit" package="1X01" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="OUT" library="adafruit" package="1X01" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="SDI1" library="adafruit" package="1X01" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="SDI2" library="adafruit" package="1X01" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="SDN1" library="adafruit" package="1X01" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="SDN2" library="adafruit" package="1X01" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="SDO1" library="adafruit" package="1X01" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="SDO2" library="adafruit" package="1X01" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="SWC" library="adafruit" package="1X01" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="SWD" library="adafruit" package="1X01" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="IN" library="adafruit" package="1X01" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="U$1" library="stm32" package="LQFP48" value="STM32F302XX"/>
<element name="U$2" library="eeprom" package="SOT23-5" value="24LC01B"/>
<element name="U$3" library="GeekAmmo" package="7914G" value="TACTILE-SWITCH-7914G"/>
<element name="U1" library="Littelfuse_By_element14_Batch_1" package="SOT95P280X145-5N" value="SP0504BAHTG">
<attribute name="OC_NEWARK" value="92K8961"/>
<attribute name="PACKAGE" value="SOT-23-3"/>
<attribute name="SUPPLIER" value="LITTELFUSE"/>
<attribute name="OC_FARNELL" value="1827634"/>
<attribute name="MPN" value="SP0504BAHTG"/>
</element>
<element name="U2" library="adafruit" package="FGPMMOPA6H" value="">
<attribute name="VALUE"/>
</element>
<element name="X1" library="txc" package="TXC_7A" value="TXC_7A">
<attribute name="NAME"/>
</element>
<element name="IRQ2" library="adafruit" package="1X01" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="IRQ1" library="adafruit" package="1X01" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="3V@2" library="adafruit" package="1X01" value="">
<attribute name="VALUE"/>
</element>
<element name="GND@5" library="adafruit" package="1X01" value="">
<attribute name="VALUE"/>
</element>
<element name="CTX" library="adafruit" package="1X01" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="BYP" library="adafruit" package="1X01" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="GND@6" library="adafruit" package="1X01" value="">
<attribute name="VALUE"/>
</element>
<element name="PPS" library="adafruit" package="1X01" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="GPS" library="adafruit" package="1X01" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R9" library="SparkFun-Passives" package="0603-RES" value="10K"/>
<element name="R10" library="SparkFun-Passives" package="0603-RES" value="10K"/>
</elements>
<signals>
<signal name="GND">
<contactref element="C1" pad="2"/>
<contactref element="GND@1" pad="1"/>
<contactref element="U$1" pad="P$8"/>
<contactref element="C5" pad="1"/>
<contactref element="U$1" pad="P$47"/>
<contactref element="C6" pad="2"/>
<contactref element="U$1" pad="P$35"/>
<contactref element="C3" pad="2"/>
<contactref element="U$1" pad="P$23"/>
<contactref element="C4" pad="2"/>
<contactref element="R1" pad="1"/>
<contactref element="U$3" pad="2"/>
<contactref element="C7" pad="2"/>
<contactref element="C2" pad="1"/>
<contactref element="GND@3" pad="1"/>
<contactref element="GND@4" pad="1"/>
<contactref element="GND@2" pad="1"/>
<contactref element="C8" pad="2"/>
<contactref element="CN1" pad="GND"/>
<contactref element="C9" pad="2"/>
<contactref element="C10" pad="2"/>
<contactref element="IC1" pad="1"/>
<contactref element="C11" pad="2"/>
<contactref element="C12" pad="2"/>
<contactref element="ORNG" pad="C"/>
<contactref element="BLU" pad="C"/>
<contactref element="IC2" pad="M"/>
<contactref element="IC2" pad="EXP"/>
<contactref element="IC2" pad="3"/>
<contactref element="U1" pad="2"/>
<contactref element="R6" pad="1"/>
<contactref element="GRN" pad="C"/>
<contactref element="U$2" pad="2"/>
<contactref element="U$2" pad="5"/>
<contactref element="U2" pad="P$3"/>
<contactref element="C14" pad="2"/>
<contactref element="C13" pad="2"/>
<contactref element="U2" pad="P$8"/>
<contactref element="U2" pad="P$19"/>
<contactref element="U2" pad="P$12"/>
<contactref element="FIX" pad="C"/>
<contactref element="CR1220" pad="-"/>
<contactref element="GND@5" pad="1"/>
<contactref element="GND@6" pad="1"/>
</signal>
<signal name="N$4">
<contactref element="U$1" pad="P$44"/>
<contactref element="R1" pad="2"/>
</signal>
<signal name="N$5">
<contactref element="U$1" pad="P$37"/>
<contactref element="SWC" pad="1"/>
</signal>
<signal name="N$7">
<contactref element="U$1" pad="P$34"/>
<contactref element="SWD" pad="1"/>
</signal>
<signal name="N$9">
<contactref element="C2" pad="2"/>
<contactref element="X1" pad="P$2"/>
<contactref element="U$1" pad="P$5"/>
</signal>
<signal name="N$18">
<contactref element="C1" pad="1"/>
<contactref element="X1" pad="P$1"/>
<contactref element="U$1" pad="P$6"/>
</signal>
<signal name="N$2">
<contactref element="U$1" pad="P$11"/>
<contactref element="P3_1" pad="1"/>
</signal>
<signal name="+3V3">
<contactref element="U$1" pad="P$1"/>
<contactref element="U$1" pad="P$48"/>
<contactref element="C6" pad="1"/>
<contactref element="C3" pad="1"/>
<contactref element="U$1" pad="P$36"/>
<contactref element="3V@1" pad="1"/>
<contactref element="U$1" pad="P$9"/>
<contactref element="C5" pad="2"/>
<contactref element="C8" pad="1"/>
<contactref element="U$1" pad="P$24"/>
<contactref element="C4" pad="1"/>
<contactref element="C11" pad="1"/>
<contactref element="L1" pad="2"/>
<contactref element="R2" pad="2"/>
<contactref element="U$2" pad="4"/>
<contactref element="L8" pad="1"/>
<contactref element="3V@2" pad="1"/>
<contactref element="R9" pad="2"/>
<contactref element="R10" pad="2"/>
</signal>
<signal name="N$3">
<contactref element="C10" pad="1"/>
<contactref element="IC1" pad="2"/>
<contactref element="L1" pad="1"/>
</signal>
<signal name="N$6">
<contactref element="U$1" pad="P$13"/>
<contactref element="SDN1" pad="1"/>
</signal>
<signal name="N$10">
<contactref element="U$1" pad="P$14"/>
<contactref element="CS1" pad="1"/>
</signal>
<signal name="SPI_CLK">
<contactref element="U$1" pad="P$15"/>
<contactref element="CLK1" pad="1"/>
<contactref element="CLK2" pad="1"/>
</signal>
<signal name="SDI">
<contactref element="U$1" pad="P$17"/>
<contactref element="SDI1" pad="1"/>
<contactref element="SDI2" pad="1"/>
</signal>
<signal name="SDO">
<contactref element="U$1" pad="P$16"/>
<contactref element="SDO1" pad="1"/>
<contactref element="SDO2" pad="1"/>
</signal>
<signal name="PPS">
<contactref element="U$1" pad="P$10"/>
<contactref element="U2" pad="P$13"/>
<contactref element="PPS" pad="1"/>
</signal>
<signal name="N$13">
<contactref element="U$1" pad="P$19"/>
<contactref element="CS2" pad="1"/>
</signal>
<signal name="+5V">
<contactref element="IC1" pad="3"/>
<contactref element="C9" pad="1"/>
<contactref element="CN1" pad="VBUS"/>
<contactref element="C12" pad="1"/>
<contactref element="U1" pad="4"/>
<contactref element="5V@2" pad="1"/>
<contactref element="5V@3" pad="1"/>
<contactref element="IC2" pad="7"/>
<contactref element="IC2" pad="8"/>
<contactref element="IC2" pad="6"/>
<contactref element="R5" pad="1"/>
<contactref element="5V@1" pad="1"/>
</signal>
<signal name="USBP">
<contactref element="CN1" pad="D+"/>
<contactref element="U1" pad="3"/>
<contactref element="IC2" pad="4"/>
</signal>
<signal name="USBM">
<contactref element="CN1" pad="D-"/>
<contactref element="U1" pad="1"/>
<contactref element="IC2" pad="5"/>
</signal>
<signal name="N$14">
<contactref element="U$1" pad="P$12"/>
<contactref element="DBG" pad="1"/>
</signal>
<signal name="N$16">
<contactref element="R2" pad="1"/>
<contactref element="RED" pad="A"/>
</signal>
<signal name="N$17">
<contactref element="ORNG" pad="A"/>
<contactref element="R3" pad="1"/>
</signal>
<signal name="N$19">
<contactref element="BLU" pad="A"/>
<contactref element="R4" pad="1"/>
</signal>
<signal name="GREEN_LED">
<contactref element="R3" pad="2"/>
<contactref element="U$1" pad="P$27"/>
</signal>
<signal name="BLUE_LED">
<contactref element="R4" pad="2"/>
<contactref element="U$1" pad="P$28"/>
</signal>
<signal name="N$21">
<contactref element="IC2" pad="9"/>
<contactref element="R5" pad="2"/>
</signal>
<signal name="N$22">
<contactref element="IC2" pad="11"/>
<contactref element="R6" pad="2"/>
</signal>
<signal name="N$23">
<contactref element="GRN" pad="A"/>
<contactref element="R7" pad="1"/>
</signal>
<signal name="ORANGE_LED">
<contactref element="R7" pad="2"/>
<contactref element="U$1" pad="P$26"/>
</signal>
<signal name="N$1">
<contactref element="U$1" pad="P$45"/>
<contactref element="SDN2" pad="1"/>
</signal>
<signal name="N$15">
<contactref element="U$1" pad="P$46"/>
<contactref element="P3_2" pad="1"/>
</signal>
<signal name="EEPROM_CS">
<contactref element="U$1" pad="P$7"/>
<contactref element="U$3" pad="3"/>
<contactref element="C7" pad="1"/>
<contactref element="RST" pad="1"/>
</signal>
<signal name="I2C_SCL">
<contactref element="U$1" pad="P$42"/>
<contactref element="U$2" pad="1"/>
<contactref element="R9" pad="1"/>
</signal>
<signal name="I2C_SDA">
<contactref element="U$1" pad="P$43"/>
<contactref element="U$2" pad="3"/>
<contactref element="R10" pad="1"/>
</signal>
<signal name="VDD1">
<contactref element="C13" pad="1"/>
<contactref element="L8" pad="2"/>
<contactref element="U2" pad="P$1"/>
<contactref element="C14" pad="1"/>
</signal>
<signal name="N$12">
<contactref element="R8" pad="1"/>
<contactref element="FIX" pad="A"/>
</signal>
<signal name="N$30">
<contactref element="U2" pad="P$5"/>
<contactref element="R8" pad="2"/>
</signal>
<signal name="N$33">
<contactref element="U2" pad="P$4"/>
<contactref element="CR1220" pad="+$2"/>
</signal>
<signal name="GPS_IN">
<contactref element="U$1" pad="P$31"/>
<contactref element="U2" pad="P$9"/>
<contactref element="GPS" pad="1"/>
</signal>
<signal name="P1_1">
<contactref element="U$1" pad="P$20"/>
<contactref element="P1_1" pad="1"/>
</signal>
<signal name="P1_2">
<contactref element="P1_2" pad="1"/>
<contactref element="U$1" pad="P$2"/>
</signal>
<signal name="N$8">
<contactref element="U$1" pad="P$39"/>
<contactref element="IRQ1" pad="1"/>
</signal>
<signal name="N$11">
<contactref element="U$1" pad="P$40"/>
<contactref element="IRQ2" pad="1"/>
</signal>
<signal name="N$20">
<contactref element="U$1" pad="P$29"/>
<contactref element="CTX" pad="1"/>
</signal>
<signal name="N$24">
<contactref element="U$1" pad="P$30"/>
<contactref element="BYP" pad="1"/>
</signal>
<signal name="PWR">
<contactref element="RED" pad="C"/>
</signal>
<signal name="HOST_TX">
<contactref element="U$1" pad="P$22"/>
<contactref element="IN" pad="1"/>
<contactref element="IC2" pad="26"/>
</signal>
<signal name="HOST_RX">
<contactref element="OUT" pad="1"/>
<contactref element="U$1" pad="P$21"/>
<contactref element="IC2" pad="25"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
