<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="6.4">
<drawing>
<board>
<plain>
<wire x1="16.248984375" y1="23.45" x2="46.89358125" y2="23.45" width="0" layer="20"/>
<wire x1="46.89358125" y1="23.45" x2="47.051684375" y2="23.293690625" width="0" layer="20" curve="-89.346585"/>
<wire x1="47.051684375" y1="23.293690625" x2="47.1" y2="0.55" width="0" layer="20"/>
<wire x1="47.1" y1="0.55" x2="46.5" y2="-0.15" width="0" layer="20" curve="-90"/>
<wire x1="46.5" y1="-0.15" x2="16.6" y2="-0.15" width="0" layer="20"/>
<wire x1="16.6" y1="-0.15" x2="15.95" y2="0.55" width="0" layer="20" curve="-90"/>
<wire x1="15.95" y1="0.55" x2="16" y2="17.1" width="0" layer="20"/>
<wire x1="16" y1="17.1" x2="15.942959375" y2="23.151103125" width="0" layer="20"/>
<wire x1="15.942959375" y1="23.151103125" x2="16.248984375" y2="23.45" width="0" layer="20" curve="-87.972447"/>
<text>STM OverTuned</text>
</plain>
<libraries>
<library name="st-microelectronics">
<packages>
<package name="TQFP-10X10-64">
</package>
</packages>
</library>
<library name="rc-master-smd">
<packages>
<package name="C0805">
<description>&lt;b&gt;SMD CHIP CAP&lt;/b&gt; - 0805</description>
</package>
<package name="C0603">
<description>&lt;b&gt;SMD CHIP CAP&lt;/b&gt; - 0603</description>
</package>
<package name="R0603">
<description>&lt;b&gt;SMD RESISTOR&lt;/b&gt; - 0603</description>
</package>
</packages>
</library>
<library name="SparkFun_20110922_my">
<packages>
<package name="HC49U-V">
<description>&lt;b&gt;CRYSTAL&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="es">
<packages>
<package name="SOT223">
<description>&lt;b&gt;Small Outline Transistor&lt;/b&gt;</description>
</package>
<package name="SOD-123">
</package>
<package name="SOT-563">
</package>
</packages>
</library>
<library name="con-molex">
<description>&lt;b&gt;Molex Connectors&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="53047-12">
<description>&lt;b&gt;CONNECTOR&lt;/b&gt;&lt;p&gt;
wire to board 1.25 mm (.049 inch) pitch header&lt;p&gt;
straight&lt;br&gt;
Sourcxe: http://www.molex.com/pdm_docs/sd/530470210_sd.pdf</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="EIA3528">
</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="USB-MICROB">
<description>Micro USB Package</description>
</package>
</packages>
</library>
<library name="SparkFun-LED">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
In this library you'll find discrete LEDs for illumination or indication, but no displays.&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="LED-1206">
</package>
<package name="LED-0603">
</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="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_SWITCH_SMD-3">
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="UC1" library="st-microelectronics" package="TQFP-10X10-64" value="STM32F103Rx">
<attribute name="OC_FARNELL" value="unknown"/>
<attribute name="MF" value=""/>
<attribute name="MPN" value=""/>
</element>
<element name="OSC" library="SparkFun_20110922_my" package="HC49U-V" value="8MHz">
<attribute name="OC_FARNELL" value="1842269"/>
<attribute name="MF" value="TXC"/>
<attribute name="MPN" value="9B-8.000MEEJ-B"/>
</element>
<element name="C6" library="rc-master-smd" package="C0603" value="1uF">
<attribute name="OC_FARNELL" value="1288202"/>
<attribute name="MF" value="KEMET"/>
<attribute name="MPN" value="C0603C105K3PACTU"/>
</element>
<element name="C7" library="rc-master-smd" package="C0603" value="1uF">
<attribute name="OC_FARNELL" value="1288202"/>
<attribute name="MF" value="KEMET"/>
<attribute name="MPN" value="C0603C105K3PACTU"/>
</element>
<element name="C1" library="rc-master-smd" package="C0603" value="18pF">
<attribute name="OC_FARNELL" value="2280674"/>
<attribute name="MF" value="AVX"/>
<attribute name="MPN" value="08055A180JAT2A"/>
</element>
<element name="C2" library="rc-master-smd" package="C0603" value="18pF">
<attribute name="OC_FARNELL" value="2280674"/>
<attribute name="MF" value="AVX"/>
<attribute name="MPN" value="08055A180JAT2A"/>
</element>
<element name="R2" library="rc-master-smd" package="R0603" value="10k">
<attribute name="OC_FARNELL" value="2140192"/>
<attribute name="MF" value="VISHAY DRALORIC"/>
<attribute name="MPN" value="CRCW020110K0FNED"/>
</element>
<element name="C14" library="rc-master-smd" package="C0603" value="1uF">
<attribute name="OC_FARNELL" value="1288202"/>
<attribute name="MF" value="KEMET"/>
<attribute name="MPN" value="C0603C105K3PACTU"/>
</element>
<element name="R11" library="rc-master-smd" package="R0603" value="10k">
<attribute name="OC_FARNELL" value="2140192"/>
<attribute name="MF" value="VISHAY DRALORIC"/>
<attribute name="MPN" value="CRCW020110K0FNED"/>
</element>
<element name="LED1" library="SparkFun-LED" package="LED-1206" value="White">
<attribute name="OC_FARNELL" value="2290334"/>
<attribute name="MF" value="KINGBRIGHT"/>
<attribute name="MPN" value="KP-3216SECK"/>
<attribute name="PROD_ID" value="DIO-00862"/>
<attribute name="VALUE" value="GREEN"/>
</element>
<element name="POWER" library="SparkFun-LED" package="LED-0603" value="Green">
<attribute name="OC_FARNELL" value="2099239"/>
<attribute name="MF" value="KINGBRIGHT"/>
<attribute name="MPN" value="KPT-2012SGC"/>
<attribute name="PROD_ID" value="DIO-08575"/>
<attribute name="VALUE" value="BLUE"/>
</element>
<element name="R5" library="rc-master-smd" package="R0603" value="470">
<attribute name="OC_FARNELL" value="1711606"/>
<attribute name="MF" value="MULTICOMP"/>
<attribute name="MPN" value="MCRE000132"/>
</element>
<element name="LED2" library="SparkFun-LED" package="LED-1206" value="White">
<attribute name="OC_FARNELL" value="2290334"/>
<attribute name="MF" value="KINGBRIGHT"/>
<attribute name="MPN" value="KP-3216SECK"/>
<attribute name="PROD_ID" value="DIO-00862"/>
<attribute name="VALUE" value="GREEN"/>
</element>
<element name="R7" library="rc-master-smd" package="R0603" value="470">
<attribute name="OC_FARNELL" value="1711606"/>
<attribute name="MF" value="MULTICOMP"/>
<attribute name="MPN" value="MCRE000132"/>
</element>
<element name="R8" library="rc-master-smd" package="R0603" value="1k">
<attribute name="OC_FARNELL" value="2008335"/>
<attribute name="MF" value="BOURNS"/>
<attribute name="MPN" value="CR0603-FX-1001ELF"/>
</element>
<element name="C16" library="rc-master-smd" package="C0805" value="10uF">
<attribute name="OC_FARNELL" value="1301818"/>
<attribute name="MF" value="AVX"/>
<attribute name="MPN" value="08056D106KAT2A"/>
</element>
<element name="R1" library="rc-master-smd" package="R0603" value="470">
<attribute name="OC_FARNELL" value="1711606"/>
<attribute name="MF" value="MULTICOMP"/>
<attribute name="MPN" value="MCRE000132"/>
</element>
<element name="C15" library="rc-master-smd" package="C0603" value="1uF">
<attribute name="OC_FARNELL" value="1288202"/>
<attribute name="MF" value="KEMET"/>
<attribute name="MPN" value="C0603C105K3PACTU"/>
</element>
<element name="C17" library="rc-master-smd" package="C0805" value="10uF">
<attribute name="OC_FARNELL" value="1301818"/>
<attribute name="MF" value="AVX"/>
<attribute name="MPN" value="08056D106KAT2A"/>
</element>
<element name="LD1" library="es" package="SOT223" value="LD1117-3.3">
<attribute name="OC_FARNELL" value="unknown"/>
<attribute name="MF" value=""/>
<attribute name="MPN" value=""/>
</element>
<element name="D3" library="es" package="SOD-123" value="PMEG2010">
<attribute name="OC_FARNELL" value="1510673"/>
<attribute name="MF" value="NXP"/>
<attribute name="MPN" value="PMEG2010AEH"/>
</element>
<element name="C3" library="SparkFun-Capacitors" package="EIA3528" value="100uF">
<attribute name="VALUE" value="47uF"/>
<attribute name="OC_FARNELL" value="1754153"/>
<attribute name="MF" value="VISHAY SPRAGUE"/>
<attribute name="MPN" value="293D107X96R3B2TE3"/>
<attribute name="PROD_ID" value="CAP-08310"/>
</element>
<element name="C4" library="rc-master-smd" package="C0603" value="1uF">
<attribute name="OC_FARNELL" value="1288202"/>
<attribute name="MF" value="KEMET"/>
<attribute name="MPN" value="C0603C105K3PACTU"/>
</element>
<element name="C8" library="rc-master-smd" package="C0603" value="1uF">
<attribute name="OC_FARNELL" value="1288202"/>
<attribute name="MF" value="KEMET"/>
<attribute name="MPN" value="C0603C105K3PACTU"/>
</element>
<element name="IC1" library="es" package="SOT-563" value="NUF2042XV6T1">
<attribute name="OC_FARNELL" value="unknown"/>
<attribute name="MF" value=""/>
<attribute name="MPN" value=""/>
</element>
<element name="X1" library="con-molex" package="53047-12" value="53047-12">
<attribute name="OC_NEWARK" value="18M8169"/>
<attribute name="MPN" value="53047-1210"/>
<attribute name="MF" value="WALDOM/MOLEX"/>
<attribute name="OC_FARNELL" value="9732896"/>
</element>
<element name="X2" library="con-molex" package="53047-12" value="53047-12">
<attribute name="OC_NEWARK" value="18M8169"/>
<attribute name="MPN" value="53047-1210"/>
<attribute name="MF" value="WALDOM/MOLEX"/>
<attribute name="OC_FARNELL" value="9732896"/>
</element>
<element name="X3" library="con-molex" package="53047-12" value="53047-12">
<attribute name="OC_NEWARK" value="18M8169"/>
<attribute name="MPN" value="53047-1210"/>
<attribute name="MF" value="WALDOM/MOLEX"/>
<attribute name="OC_FARNELL" value="9732896"/>
</element>
<element name="X4" library="con-molex" package="53047-12" value="53047-12">
<attribute name="OC_NEWARK" value="18M8169"/>
<attribute name="MPN" value="53047-1210"/>
<attribute name="MF" value="WALDOM/MOLEX"/>
<attribute name="OC_FARNELL" value="9732896"/>
</element>
<element name="JP1" library="SparkFun-Connectors" package="USB-MICROB" value="USB-MICROB">
<attribute name="PROD_ID" value="CONN-09505"/>
</element>
<element name="U$1" library="SparkFun-Aesthetics" package="OSHW-LOGO-S" value=""/>
<element name="S1" library="SparkFun-Electromechanical" package="TACTILE_SWITCH_SMD-3" value="SWITCH-MOMENTARY-2SMD-3">
<attribute name="AA"/>
</element>
<element name="R3" library="rc-master-smd" package="R0603" value="470">
<attribute name="MPN" value="MCRE000132"/>
<attribute name="MF" value="MULTICOMP"/>
<attribute name="OC_FARNELL" value="1711606"/>
</element>
</elements>
<signals>
<signal name="GND">
<contactref element="C1" pad="1"/>
<contactref element="C2" pad="1"/>
<contactref element="R2" pad="1"/>
<contactref element="R11" pad="1"/>
<contactref element="C16" pad="2"/>
<contactref element="POWER" pad="C"/>
<contactref element="C17" pad="2"/>
<contactref element="LED2" pad="C"/>
<contactref element="LED1" pad="C"/>
<contactref element="LD1" pad="1"/>
<contactref element="C3" pad="C"/>
<contactref element="IC1" pad="2"/>
<contactref element="C8" pad="2"/>
<contactref element="C4" pad="2"/>
<contactref element="C15" pad="1"/>
<contactref element="C7" pad="1"/>
<contactref element="C6" pad="1"/>
<contactref element="C14" pad="1"/>
<contactref element="JP1" pad="GND"/>
<contactref element="JP1" pad="MT2"/>
<contactref element="JP1" pad="MT1"/>
<contactref element="UC1" pad="P$47"/>
<contactref element="UC1" pad="P$63"/>
<contactref element="UC1" pad="P$31"/>
<contactref element="UC1" pad="P$18"/>
<contactref element="X3" pad="4"/>
</signal>
<signal name="VCC">
<contactref element="R8" pad="2"/>
<contactref element="R5" pad="1"/>
<contactref element="X3" pad="6"/>
<contactref element="C4" pad="1"/>
<contactref element="C15" pad="2"/>
<contactref element="C7" pad="2"/>
<contactref element="C6" pad="2"/>
<contactref element="C14" pad="2"/>
<contactref element="C8" pad="1"/>
<contactref element="UC1" pad="P$12"/>
<contactref element="UC1" pad="P$1"/>
<contactref element="UC1" pad="P$13"/>
<contactref element="UC1" pad="P$32"/>
<contactref element="UC1" pad="P$48"/>
<contactref element="UC1" pad="P$64"/>
<contactref element="UC1" pad="P$19"/>
<contactref element="C16" pad="1"/>
<contactref element="LD1" pad="2"/>
<contactref element="C3" pad="A"/>
<contactref element="R3" pad="1"/>
</signal>
<signal name="OSC_IN_5">
<contactref element="OSC" pad="2"/>
<contactref element="UC1" pad="P$5"/>
<contactref element="C1" pad="2"/>
</signal>
<signal name="OSC_OUT_6">
<contactref element="UC1" pad="P$6"/>
<contactref element="OSC" pad="1"/>
<contactref element="C2" pad="2"/>
</signal>
<signal name="USBDP_45">
<contactref element="UC1" pad="P$45"/>
<contactref element="IC1" pad="1"/>
<contactref element="X3" pad="5"/>
</signal>
<signal name="USBDM_44">
<contactref element="UC1" pad="P$44"/>
<contactref element="IC1" pad="3"/>
<contactref element="X3" pad="3"/>
</signal>
<signal name="SWDAT_46">
<contactref element="UC1" pad="P$46"/>
</signal>
<signal name="SWCLK_49">
<contactref element="UC1" pad="P$49"/>
</signal>
<signal name="PC11_52">
<contactref element="UC1" pad="P$52"/>
<contactref element="X3" pad="9"/>
</signal>
<signal name="+5V">
<contactref element="D3" pad="A"/>
<contactref element="IC1" pad="5"/>
<contactref element="JP1" pad="VBUS"/>
</signal>
<signal name="VCC_IN">
<contactref element="C17" pad="1"/>
<contactref element="LD1" pad="3"/>
<contactref element="D3" pad="C"/>
</signal>
<signal name="SPI1_MISO_22">
<contactref element="UC1" pad="P$22"/>
<contactref element="X2" pad="6"/>
</signal>
<signal name="SPI1_MOSI_23">
<contactref element="UC1" pad="P$23"/>
<contactref element="X2" pad="5"/>
</signal>
<signal name="SPI1_NSS_20">
<contactref element="UC1" pad="P$20"/>
<contactref element="X2" pad="8"/>
</signal>
<signal name="USART1_RX_43">
<contactref element="UC1" pad="P$43"/>
<contactref element="X3" pad="2"/>
</signal>
<signal name="USART1_TX_42">
<contactref element="UC1" pad="P$42"/>
<contactref element="X3" pad="1"/>
</signal>
<signal name="PB5_57">
<contactref element="UC1" pad="P$57"/>
<contactref element="X4" pad="2"/>
</signal>
<signal name="USART2_RTS_15">
<contactref element="UC1" pad="P$15"/>
<contactref element="X2" pad="11"/>
</signal>
<signal name="USART2_CTS_14">
<contactref element="UC1" pad="P$14"/>
<contactref element="X2" pad="12"/>
</signal>
<signal name="USART2_TX_16">
<contactref element="UC1" pad="P$16"/>
<contactref element="X2" pad="10"/>
</signal>
<signal name="USART2_RX_17">
<contactref element="UC1" pad="P$17"/>
<contactref element="X2" pad="9"/>
</signal>
<signal name="PC0_8">
<contactref element="UC1" pad="P$8"/>
<contactref element="X4" pad="9"/>
</signal>
<signal name="PC1_9">
<contactref element="UC1" pad="P$9"/>
<contactref element="X4" pad="10"/>
</signal>
<signal name="PC2_10">
<contactref element="UC1" pad="P$10"/>
<contactref element="X4" pad="11"/>
</signal>
<signal name="PC3_11">
<contactref element="UC1" pad="P$11"/>
<contactref element="X4" pad="12"/>
</signal>
<signal name="PC4_24">
<contactref element="UC1" pad="P$24"/>
<contactref element="X2" pad="4"/>
</signal>
<signal name="PC5_25">
<contactref element="UC1" pad="P$25"/>
<contactref element="X2" pad="3"/>
</signal>
<signal name="OSC32_IN_3">
<contactref element="UC1" pad="P$3"/>
</signal>
<signal name="PB9_62">
<contactref element="UC1" pad="P$62"/>
<contactref element="X4" pad="7"/>
</signal>
<signal name="PC10_51">
<contactref element="UC1" pad="P$51"/>
<contactref element="X3" pad="8"/>
</signal>
<signal name="PB1_27">
<contactref element="UC1" pad="P$27"/>
<contactref element="R1" pad="2"/>
<contactref element="X2" pad="1"/>
</signal>
<signal name="SPI2_SCK_34">
<contactref element="UC1" pad="P$34"/>
<contactref element="X1" pad="8"/>
</signal>
<signal name="SPI2_MOSI_36">
<contactref element="UC1" pad="P$36"/>
<contactref element="X1" pad="6"/>
</signal>
<signal name="PC7_38">
<contactref element="UC1" pad="P$38"/>
<contactref element="X1" pad="4"/>
</signal>
<signal name="PC13_2">
<contactref element="UC1" pad="P$2"/>
</signal>
<signal name="OSC32_OUT_4">
<contactref element="UC1" pad="P$4"/>
</signal>
<signal name="PD2_54">
<contactref element="UC1" pad="P$54"/>
<contactref element="X3" pad="11"/>
</signal>
<signal name="PB0_26">
<contactref element="UC1" pad="P$26"/>
<contactref element="X2" pad="2"/>
</signal>
<signal name="PB10_SCL_29">
<contactref element="UC1" pad="P$29"/>
<contactref element="X1" pad="11"/>
</signal>
<signal name="SPI2_NSS_33">
<contactref element="UC1" pad="P$33"/>
<contactref element="X1" pad="9"/>
</signal>
<signal name="SPI2_MISO_35">
<contactref element="UC1" pad="P$35"/>
<contactref element="X1" pad="7"/>
</signal>
<signal name="PC6_37">
<contactref element="UC1" pad="P$37"/>
<contactref element="X1" pad="5"/>
</signal>
<signal name="PC8_39">
<contactref element="UC1" pad="P$39"/>
<contactref element="X1" pad="3"/>
</signal>
<signal name="BOOT1_28">
<contactref element="UC1" pad="P$28"/>
<contactref element="R11" pad="2"/>
<contactref element="X1" pad="12"/>
</signal>
<signal name="NRST_7">
<contactref element="R8" pad="1"/>
<contactref element="UC1" pad="P$7"/>
<contactref element="X4" pad="8"/>
</signal>
<signal name="PB3_55">
<contactref element="UC1" pad="P$55"/>
<contactref element="X3" pad="12"/>
</signal>
<signal name="PB4_56">
<contactref element="UC1" pad="P$56"/>
<contactref element="X4" pad="1"/>
</signal>
<signal name="BOOT0_60">
<contactref element="UC1" pad="P$60"/>
<contactref element="R2" pad="2"/>
<contactref element="X4" pad="5"/>
<contactref element="S1" pad="4"/>
</signal>
<signal name="SPI1_SCK_21">
<contactref element="UC1" pad="P$21"/>
<contactref element="R7" pad="1"/>
<contactref element="X2" pad="7"/>
</signal>
<signal name="PC9_40">
<contactref element="UC1" pad="P$40"/>
<contactref element="X1" pad="2"/>
</signal>
<signal name="PB6_SCL_58">
<contactref element="UC1" pad="P$58"/>
<contactref element="X4" pad="3"/>
</signal>
<signal name="PB7_SDA_59">
<contactref element="UC1" pad="P$59"/>
<contactref element="X4" pad="4"/>
</signal>
<signal name="PB8_61">
<contactref element="UC1" pad="P$61"/>
<contactref element="X4" pad="6"/>
</signal>
<signal name="PA8_41">
<contactref element="UC1" pad="P$41"/>
<contactref element="X1" pad="1"/>
</signal>
<signal name="PB11_SDA_30">
<contactref element="UC1" pad="P$30"/>
<contactref element="X1" pad="10"/>
</signal>
<signal name="PA15_50">
<contactref element="UC1" pad="P$50"/>
<contactref element="X3" pad="7"/>
</signal>
<signal name="PC12_DISC_53">
<contactref element="UC1" pad="P$53"/>
<contactref element="X3" pad="10"/>
</signal>
<signal name="N$1">
<contactref element="R5" pad="2"/>
<contactref element="POWER" pad="A"/>
</signal>
<signal name="N$3">
<contactref element="R7" pad="2"/>
<contactref element="LED2" pad="A"/>
</signal>
<signal name="N$4">
<contactref element="R1" pad="1"/>
<contactref element="LED1" pad="A"/>
</signal>
<signal name="N$2">
</signal>
<signal name="N$7">
</signal>
<signal name="N$8">
</signal>
<signal name="N$9">
</signal>
<signal name="N$10">
</signal>
<signal name="N$11">
</signal>
<signal name="N$5">
<contactref element="JP1" pad="D+"/>
<contactref element="IC1" pad="6"/>
</signal>
<signal name="N$6">
<contactref element="JP1" pad="D-"/>
<contactref element="IC1" pad="4"/>
</signal>
<signal name="N$13">
<contactref element="S1" pad="1"/>
<contactref element="R3" pad="2"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
