<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="7.2.0">
<drawing>
<board>
<plain>
<wire x1="0" y1="0" x2="101.6" y2="0" width="0" layer="20"/>
<wire x1="101.6" y1="0" x2="101.6" y2="53.34" width="0" layer="20"/>
<wire x1="101.6" y1="53.34" x2="0" y2="53.34" width="0" layer="20"/>
<wire x1="0" y1="53.34" x2="0" y2="0" width="0" layer="20"/>
<text>3V3</text>
<text>SCL1</text>
<text>SDA1</text>
<text>RES</text>
<text>GND</text>
<text>RESET</text>
<text>SWDIO</text>
<text>SWCLK</text>
<text>GND</text>
<text>BEAM
Vref ADJ</text>
<text>2nd STAGE AMP</text>
<text>TMP102</text>
<text>JOY Y
Vref ADJ</text>
<text>JOY X
Vref ADJ</text>
<text>A7</text>
<text>GND</text>
<text>3V3</text>
<text>microSD</text>
<text>MEV1D1205DC</text>
<text>DC-DC 5V Dual Supply</text>
<text>ON</text>
<text>OFF</text>
<text>3.6V Zener Diodes</text>
<text>MISO</text>
<text>SCK</text>
<text>RESET</text>
<text>5V</text>
<text>MOSI</text>
<text>-5V</text>
<text>+5V</text>
<text>-</text>
<text>output</text>
<text>+5V</text>
<text>-5V</text>
<text>Xout</text>
<text>Yout</text>
<text>+</text>
<text>-</text>
<text>+</text>
<text>-</text>
<text>+</text>
<text>5</text>
<text>4</text>
<text>3</text>
<text>2</text>
<text>1</text>
<text>0</text>
<text>6</text>
<text>7</text>
<text>8</text>
<text>9</text>
<text>SCL1</text>
<text>GND</text>
<text>13</text>
<text>12</text>
<text>11</text>
<text>10</text>
<text>9</text>
<text>8</text>
<text>5V</text>
<text>3V3</text>
<text>GND</text>
<text>GND</text>
<text>Vin</text>
<text>Vin</text>
<text>A0</text>
<text>A1</text>
<text>A2</text>
<text>A3</text>
<text>A6</text>
<text>A7</text>
<text>TX0&gt;</text>
<text>RX0&lt;</text>
<text>7</text>
<text>6</text>
<text>5</text>
<text>CR1220</text>
<text>LM324N</text>
<text>LM324N</text>
<text>Limpet force meter Rev A</text>
<text>Designed by Felicia King 
2015</text>
<text>With additional poor design
choices by Luke Miller</text>
<text>Reference 
Voltage Buffer</text>
<text>+</text>
<text>GND</text>
</plain>
<libraries>
<library name="Felicia_force_logger">
<packages>
<package name="R-TRIMMER_67W_TT_ELEC">
<description>TT Electronics series 67W trimmer potentiometer&lt;br&gt;
Example: TT Elec PN 67WR100KLF,  Digikey PN 987-1086-ND&lt;br&gt;
0.1" pin spacing</description>
</package>
<package name="1X03">
<description>&lt;b&gt;1x3 strip 0.1" spacing (2.54mm spacing)&lt;/b&gt;&lt;br&gt;
Standard header/terminal spacing</description>
</package>
<package name="0805">
<description>Capacitor, 0805</description>
</package>
<package name="1X04_LOCK">
<description>Slightly offset holes to better hold header pins in place while soldering&lt;br&gt;
0.035" drill, 0.066" pad width</description>
</package>
<package name="DIL08">
<description>&lt;b&gt;Dual In Line Package&lt;/b&gt;</description>
</package>
<package name="DIL14">
<description>&lt;b&gt;Dual In Line Package&lt;/b&gt;</description>
</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="1X06-LOCK">
<description>Slightly offset holes to better hold header pins while soldering.&lt;br&gt;
0.035" drill, 0.066" pad width.</description>
</package>
<package name="1X08-CLEANBIG">
</package>
<package name="CHIPLED_0805">
<description>LED 0805 surface mount</description>
</package>
<package name="1X02">
<description>&lt;b&gt;1x2 pin header 0.1" spacing (2.54mm)&lt;/b&gt;</description>
</package>
<package name="R0805">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
chip</description>
</package>
<package name="PAD-JUMPER-3-3OF3_NC_BY_TRACE_YES_SILK_FULL_BOX">
</package>
<package name="SOT23">
<description>&lt;b&gt;SOT-23&lt;/b&gt;</description>
</package>
<package name="DUE_HALF_SHIELD_A7-ANALOG">
<description>&lt;b&gt;Arduino Due shield&lt;/b&gt;&lt;br&gt;
Matches Uno R3 footprint, but adds Due SPI 2x3 header, debug wire 4-pin header, and adds Analog pins A6 and A7.&lt;br&gt;
&lt;b&gt;**NOTE**&lt;/b&gt;The 5V pin on the Due SPI 2x3 header outputs &lt;b&gt;5V&lt;/b&gt;, rather than the 3V3 you might expect.</description>
</package>
<package name="I_0805">
<description>&lt;b&gt;0805 (2012) Inductor footprint&lt;br&gt;&lt;/b&gt;
Example:
Taiyo Yuden inductor # LBR2012T100K&lt;br&gt;
Digikey PN 587-2045-1-ND</description>
</package>
<package name="MICROSD">
<description>&lt;b&gt;Micro-SD / Transflash card holder with SPI pinout&lt;/b&gt;
&lt;p&gt;
For the 3M # 2908-05WB-MG and/or 4UCON #19656&lt;br&gt;
push-push type (spring-loaded)
&lt;p&gt;
Digikey PN 3M5607CT-ND</description>
</package>
<package name="CR1220_BATTERY_HOLDER_SMD">
<description>CR1220 Battery Holder, SMD
Keystone Part # 3000</description>
</package>
<package name="DO35-7">
<description>&lt;B&gt;DIODE&lt;/B&gt;&lt;p&gt;
diameter 2 mm, horizontal, grid 7.62 mm</description>
</package>
<package name="PUSHBUTTON_DPST_SMD">
<description>PUSHBUTTON Omron B3S-1000 SMD DPST</description>
</package>
<package name="POWER_JACK_DC_2,1MM">
<description>2.1 mm DC power jack. Digikey PN CP-202AH-ND</description>
</package>
<package name="DCDC_CONVERTOR-MEV1D">
<description>&lt;b&gt;Murata MEV1D1205 DC/DC dual output converter&lt;/b&gt;&lt;br&gt;
DIP package&lt;br&gt;
Digikey PN: 811-2272-ND</description>
</package>
<package name="1X10-CLEANBIG">
<description>1x10 pin header 0.1" spacing (2.54mm) straight, no silkscreen</description>
</package>
<package name="SWITCH_SMD_RA_SPDT">
<description>&lt;b&gt;Slide switch SPDT right angle &lt;/b&gt;&lt;br&gt;
Based on Copal PN CSS-1210B (or 1210TB)</description>
</package>
</packages>
</library>
<library name="miller">
<packages>
<package name="STAND-OFF">
<description>&lt;b&gt;Stand Off&lt;/b&gt;&lt;p&gt;
This is the mechanical footprint for a #4 phillips button head screw. Use the keepout ring to avoid running the screw head into surrounding components. SKU : PRT-00447
Outer keepout is 0.127" radius (0.254" diameter).</description>
</package>
<package name="R-TRIMMER_67W_TT_ELEC">
<description>TT Electronics series 67W trimmer potentiometer&lt;br&gt;
Example: TT Elec PN 67WR100KLF,  Digikey PN 987-1086-ND&lt;br&gt;
0.1" pin spacing</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="TRIMMER" library="Felicia_force_logger" package="R-TRIMMER_67W_TT_ELEC" value="100k ohm">
<attribute name="VALUE"/>
</element>
<element name="ANALOG7_HEADER" library="Felicia_force_logger" package="1X03" value="">
<attribute name="VALUE"/>
</element>
<element name="C13" library="Felicia_force_logger" package="0805" value="3.3nF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C4" library="Felicia_force_logger" package="0805" value="0.1µF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C1" library="Felicia_force_logger" package="0805" value="0.1µF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C2" library="Felicia_force_logger" package="0805" value="0.1µF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C5" library="Felicia_force_logger" package="0805" value="0.1µF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C6" library="Felicia_force_logger" package="0805" value="0.1µF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C8" library="Felicia_force_logger" package="0805" value="0.1µF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C7" library="Felicia_force_logger" package="0805" value="0.1µF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C12" library="Felicia_force_logger" package="0805" value="3.3nF">
<attribute name="NAME"/>
</element>
<element name="C11" library="Felicia_force_logger" package="0805" value="3.3nF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C15" library="Felicia_force_logger" package="0805" value="4.7µF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C14" library="Felicia_force_logger" package="0805" value="4.7uF">
<attribute name="NAME"/>
</element>
<element name="C10" library="Felicia_force_logger" package="0805" value="0.1µF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C9" library="Felicia_force_logger" package="0805" value="0.1µF">
<attribute name="NAME"/>
</element>
<element name="C3" library="Felicia_force_logger" package="0805" value="0.1µF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="JOY_X" library="Felicia_force_logger" package="DIL08" value="AD620N">
<attribute name="OC_NEWARK" value="05F7108"/>
<attribute name="MPN" value="AD620AN"/>
<attribute name="MF" value="ALTERA CORPORATION"/>
<attribute name="OC_FARNELL" value="1523782"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="JOY_Y" library="Felicia_force_logger" package="DIL08" value="AD620N">
<attribute name="OC_NEWARK" value="05F7108"/>
<attribute name="MPN" value="AD620AN"/>
<attribute name="MF" value="ALTERA CORPORATION"/>
<attribute name="OC_FARNELL" value="1523782"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="BEAM_Z" library="Felicia_force_logger" package="DIL08" value="AD620N">
<attribute name="OC_NEWARK" value="05F7108"/>
<attribute name="MPN" value="AD620AN"/>
<attribute name="MF" value="ALTERA CORPORATION"/>
<attribute name="OC_FARNELL" value="1523782"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="REF" library="Felicia_force_logger" package="DIL14" value="LM324N">
<attribute name="VALUE"/>
</element>
<element name="AMP" library="Felicia_force_logger" package="DIL14" value="LM324N">
<attribute name="VALUE"/>
</element>
<element name="IC6" library="Felicia_force_logger" package="SO16W" value="DS3231/SO">
<attribute name="VALUE"/>
</element>
<element name="JOYSTICK" library="Felicia_force_logger" package="1X06-LOCK" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="DPINS_1ST" library="Felicia_force_logger" package="1X08-CLEANBIG" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="ANALOG_IN" library="Felicia_force_logger" package="1X08-CLEANBIG" value="">
<attribute name="VALUE"/>
</element>
<element name="PWR_PINS" library="Felicia_force_logger" package="1X08-CLEANBIG" value="">
<attribute name="VALUE"/>
</element>
<element name="LED1" library="Felicia_force_logger" package="CHIPLED_0805" value="GREEN">
<attribute name="VALUE"/>
</element>
<element name="LED2" library="Felicia_force_logger" package="CHIPLED_0805" value="RED">
<attribute name="VALUE"/>
</element>
<element name="R4" library="Felicia_force_logger" package="1X02" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R5" library="Felicia_force_logger" package="1X02" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R6" library="Felicia_force_logger" package="1X02" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R10" library="Felicia_force_logger" package="R0805" value="100kΩ">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R11" library="Felicia_force_logger" package="R0805" value="100kΩ">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R12" library="Felicia_force_logger" package="R0805" value="100ohm">
<attribute name="NAME"/>
</element>
<element name="R13" library="Felicia_force_logger" package="R0805" value="100ohm">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R14" library="Felicia_force_logger" package="R0805" value="10k ohm">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R15" library="Felicia_force_logger" package="R0805" value="10k ohm">
<attribute name="NAME"/>
</element>
<element name="SJ1" library="Felicia_force_logger" package="PAD-JUMPER-3-3OF3_NC_BY_TRACE_YES_SILK_FULL_BOX" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="TMP102" library="Felicia_force_logger" package="SOT23" value="LM62"/>
<element name="U$1" library="Felicia_force_logger" package="DUE_HALF_SHIELD_A7-ANALOG" value="DUE_HALF_SHIELD_A7-ANALOG"/>
<element name="IND-" library="Felicia_force_logger" package="I_0805" value="10µH">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="U$11" library="Felicia_force_logger" package="MICROSD" value="MICROSD"/>
<element name="U$12" library="Felicia_force_logger" package="CR1220_BATTERY_HOLDER_SMD" value="CR1220_BATTERY_HOLDERSMD"/>
<element name="5H" library="Felicia_force_logger" package="DO35-7" value="DIODE_ZENERDO-35_AXIAL">
<attribute name="NAME"/>
</element>
<element name="5L" library="Felicia_force_logger" package="DO35-7" value="DIODE_ZENERDO-35_AXIAL">
<attribute name="NAME"/>
</element>
<element name="2H" library="Felicia_force_logger" package="DO35-7" value="DIODE_ZENERDO-35_AXIAL">
<attribute name="NAME"/>
</element>
<element name="2L" library="Felicia_force_logger" package="DO35-7" value="DIODE_ZENERDO-35_AXIAL">
<attribute name="NAME"/>
</element>
<element name="4H" library="Felicia_force_logger" package="DO35-7" value="DIODE_ZENERDO-35_AXIAL">
<attribute name="NAME"/>
</element>
<element name="4L" library="Felicia_force_logger" package="DO35-7" value="DIODE_ZENERDO-35_AXIAL">
<attribute name="NAME"/>
</element>
<element name="1H" library="Felicia_force_logger" package="DO35-7" value="DIODE_ZENERDO-35_AXIAL">
<attribute name="NAME"/>
</element>
<element name="90" library="miller" package="R-TRIMMER_67W_TT_ELEC" value="100k ohm">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="1L" library="Felicia_force_logger" package="DO35-7" value="DIODE_ZENERDO-35_AXIAL">
<attribute name="NAME"/>
</element>
<element name="3H" library="Felicia_force_logger" package="DO35-7" value="3.6V_DIODE">
<attribute name="NAME"/>
</element>
<element name="3L" library="Felicia_force_logger" package="DO35-7" value="DIODE_ZENERDO-35_AXIAL">
<attribute name="NAME"/>
</element>
<element name="0H" library="Felicia_force_logger" package="DO35-7" value="DIODE_ZENERDO-35_AXIAL">
<attribute name="NAME"/>
</element>
<element name="0L" library="Felicia_force_logger" package="DO35-7" value="DIODE_ZENERDO-35_AXIAL">
<attribute name="NAME"/>
</element>
<element name="INPUT" library="Felicia_force_logger" package="PUSHBUTTON_DPST_SMD" value="PUSHBUTTON_DPST_SMD">
<attribute name="NAME"/>
</element>
<element name="RESET" library="Felicia_force_logger" package="PUSHBUTTON_DPST_SMD" value="PUSHBUTTON">
<attribute name="NAME"/>
</element>
<element name="DEBUG" library="Felicia_force_logger" package="1X04_LOCK" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="U$28" library="Felicia_force_logger" package="POWER_JACK_DC_2,1MM" value="POWER_JACK_2,1MM"/>
<element name="U$3" library="Felicia_force_logger" package="DCDC_CONVERTOR-MEV1D" value="DC-DC_CONVERTER_DUAL_SUPPLY"/>
<element name="70" library="miller" package="R-TRIMMER_67W_TT_ELEC" value="100k ohm">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="DPINS_2ND" library="Felicia_force_logger" package="1X10-CLEANBIG" value="PINHD-1X10CLEAN"/>
<element name="BEAM" library="Felicia_force_logger" package="1X04_LOCK" value="PINHD-1X4">
<attribute name="NAME"/>
</element>
<element name="IND+" library="Felicia_force_logger" package="I_0805" value="10µH">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="U$2" library="Felicia_force_logger" package="SWITCH_SMD_RA_SPDT" value="SWITCH_SLIDE_SMD_SPDT"/>
<element name="R8" library="Felicia_force_logger" package="R0805" value="33kΩ">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R7" library="Felicia_force_logger" package="R0805" value="33kΩ">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R9" library="Felicia_force_logger" package="R0805" value="33kΩ">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="STANDOFF1" library="miller" package="STAND-OFF" value="STAND-OFF"/>
<element name="STANDOFF2" library="miller" package="STAND-OFF" value="STAND-OFF"/>
<element name="I2C_HEADER" library="Felicia_force_logger" package="1X06-LOCK" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="STANDOFF3" library="miller" package="STAND-OFF" value="STAND-OFF"/>
<element name="R2" library="Felicia_force_logger" package="1X02" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R1" library="Felicia_force_logger" package="1X02" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R3" library="Felicia_force_logger" package="1X02" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
</elements>
<signals>
<signal name="A4">
<contactref element="U$1" pad="A4"/>
<contactref element="ANALOG_IN" pad="4"/>
<contactref element="4L" pad="C"/>
<contactref element="90" pad="P$2"/>
<contactref element="4H" pad="A"/>
<contactref element="REF" pad="5"/>
</signal>
<signal name="DGND">
<contactref element="U$11" pad="MT1"/>
<contactref element="U$11" pad="MT2"/>
<contactref element="U$11" pad="CD2"/>
<contactref element="U$11" pad="6"/>
<contactref element="C10" pad="2"/>
<contactref element="U$12" pad="GND"/>
<contactref element="IC6" pad="13"/>
<contactref element="IC6" pad="12"/>
<contactref element="IC6" pad="11"/>
<contactref element="IC6" pad="10"/>
<contactref element="IC6" pad="9"/>
<contactref element="IC6" pad="8"/>
<contactref element="IC6" pad="7"/>
<contactref element="IC6" pad="6"/>
<contactref element="IC6" pad="5"/>
<contactref element="C9" pad="2"/>
<contactref element="SJ1" pad="3"/>
<contactref element="I2C_HEADER" pad="4"/>
</signal>
<signal name="A3">
<contactref element="U$1" pad="A3"/>
<contactref element="ANALOG_IN" pad="5"/>
<contactref element="TRIMMER" pad="P$2"/>
<contactref element="3L" pad="C"/>
<contactref element="3H" pad="A"/>
<contactref element="REF" pad="3"/>
</signal>
<signal name="N$5">
<contactref element="JOY_X" pad="1"/>
<contactref element="R1" pad="2"/>
</signal>
<signal name="N$6">
<contactref element="JOY_X" pad="8"/>
<contactref element="R1" pad="1"/>
</signal>
<signal name="N$9">
<contactref element="BEAM_Z" pad="1"/>
<contactref element="R3" pad="2"/>
</signal>
<signal name="N$10">
<contactref element="BEAM_Z" pad="8"/>
<contactref element="R3" pad="1"/>
</signal>
<signal name="VRAW">
<contactref element="U$28" pad="P$1"/>
<contactref element="U$2" pad="P$2"/>
</signal>
<signal name="-5V">
<contactref element="JOYSTICK" pad="6"/>
<contactref element="BEAM" pad="4"/>
<contactref element="C14" pad="1"/>
<contactref element="IND-" pad="P$1"/>
</signal>
<signal name="+5V">
<contactref element="JOYSTICK" pad="5"/>
<contactref element="BEAM" pad="3"/>
<contactref element="IND+" pad="P$1"/>
<contactref element="C15" pad="2"/>
<contactref element="JOY_Y" pad="7"/>
<contactref element="C3" pad="2"/>
<contactref element="BEAM_Z" pad="7"/>
<contactref element="C5" pad="2"/>
<contactref element="JOY_X" pad="7"/>
<contactref element="C1" pad="2"/>
<contactref element="AMP" pad="4"/>
<contactref element="C7" pad="2"/>
<contactref element="REF" pad="4"/>
<contactref element="C8" pad="2"/>
<contactref element="90" pad="P$3"/>
<contactref element="TRIMMER" pad="P$3"/>
<contactref element="70" pad="P$3"/>
</signal>
<signal name="N$11">
<contactref element="AMP" pad="2"/>
<contactref element="C11" pad="2"/>
<contactref element="R4" pad="2"/>
<contactref element="R7" pad="2"/>
</signal>
<signal name="A0">
<contactref element="AMP" pad="1"/>
<contactref element="0L" pad="C"/>
<contactref element="0H" pad="A"/>
<contactref element="U$1" pad="A0"/>
<contactref element="ANALOG_IN" pad="8"/>
<contactref element="C11" pad="1"/>
<contactref element="R7" pad="1"/>
</signal>
<signal name="N$19">
<contactref element="JOY_X" pad="2"/>
<contactref element="JOYSTICK" pad="1"/>
</signal>
<signal name="N$2">
<contactref element="JOY_Y" pad="1"/>
<contactref element="R2" pad="2"/>
</signal>
<signal name="N$7">
<contactref element="JOY_Y" pad="8"/>
<contactref element="R2" pad="1"/>
</signal>
<signal name="N$21">
<contactref element="AMP" pad="6"/>
<contactref element="C12" pad="2"/>
<contactref element="R5" pad="2"/>
<contactref element="R8" pad="2"/>
</signal>
<signal name="A1">
<contactref element="AMP" pad="7"/>
<contactref element="C12" pad="1"/>
<contactref element="1H" pad="A"/>
<contactref element="1L" pad="C"/>
<contactref element="U$1" pad="A1"/>
<contactref element="ANALOG_IN" pad="7"/>
<contactref element="R8" pad="1"/>
</signal>
<signal name="N$23">
<contactref element="JOYSTICK" pad="3"/>
<contactref element="JOY_Y" pad="2"/>
</signal>
<signal name="N$24">
<contactref element="JOYSTICK" pad="4"/>
<contactref element="JOY_Y" pad="3"/>
</signal>
<signal name="A5">
<contactref element="U$1" pad="A5"/>
<contactref element="ANALOG_IN" pad="3"/>
<contactref element="5H" pad="A"/>
<contactref element="70" pad="P$2"/>
<contactref element="5L" pad="C"/>
<contactref element="REF" pad="10"/>
</signal>
<signal name="N$25">
<contactref element="AMP" pad="9"/>
<contactref element="C13" pad="2"/>
<contactref element="R6" pad="2"/>
<contactref element="R9" pad="2"/>
</signal>
<signal name="A2">
<contactref element="AMP" pad="8"/>
<contactref element="C13" pad="1"/>
<contactref element="2H" pad="A"/>
<contactref element="2L" pad="C"/>
<contactref element="U$1" pad="A2"/>
<contactref element="ANALOG_IN" pad="6"/>
<contactref element="R9" pad="1"/>
</signal>
<signal name="N$31">
<contactref element="BEAM" pad="2"/>
<contactref element="BEAM_Z" pad="2"/>
</signal>
<signal name="N$32">
<contactref element="BEAM" pad="1"/>
<contactref element="BEAM_Z" pad="3"/>
</signal>
<signal name="N$28">
<contactref element="U$3" pad="P$10_-VOUT"/>
<contactref element="IND-" pad="P$2"/>
</signal>
<signal name="N$29">
<contactref element="U$3" pad="P$8_VOUT"/>
<contactref element="IND+" pad="P$2"/>
</signal>
<signal name="+3V3">
<contactref element="5H" pad="C"/>
<contactref element="4H" pad="C"/>
<contactref element="1H" pad="C"/>
<contactref element="3H" pad="C"/>
<contactref element="0H" pad="C"/>
<contactref element="U$1" pad="3V3"/>
<contactref element="IC6" pad="2"/>
<contactref element="C9" pad="1"/>
<contactref element="U$11" pad="4"/>
<contactref element="R10" pad="2"/>
<contactref element="R11" pad="2"/>
<contactref element="C10" pad="1"/>
<contactref element="R14" pad="2"/>
<contactref element="R15" pad="2"/>
<contactref element="TMP102" pad="1"/>
<contactref element="2H" pad="C"/>
<contactref element="ANALOG7_HEADER" pad="3"/>
<contactref element="PWR_PINS" pad="5"/>
<contactref element="I2C_HEADER" pad="6"/>
</signal>
<signal name="VBAT">
<contactref element="IC6" pad="14"/>
<contactref element="U$12" pad="P$1"/>
<contactref element="U$12" pad="P$2"/>
</signal>
<signal name="N$30">
<contactref element="U$11" pad="8"/>
<contactref element="R10" pad="1"/>
</signal>
<signal name="N$33">
<contactref element="U$11" pad="1"/>
<contactref element="R11" pad="1"/>
</signal>
<signal name="MISO">
<contactref element="U$11" pad="7"/>
<contactref element="U$1" pad="MISO_SPI"/>
</signal>
<signal name="MOSI">
<contactref element="U$11" pad="3"/>
<contactref element="U$1" pad="MOSI_SPI"/>
</signal>
<signal name="SCLK">
<contactref element="U$11" pad="5"/>
<contactref element="U$1" pad="SCK_SPI"/>
</signal>
<signal name="CS_SD">
<contactref element="U$11" pad="2"/>
<contactref element="U$1" pad="10"/>
<contactref element="DPINS_2ND" pad="8"/>
</signal>
<signal name="GND">
<contactref element="SJ1" pad="2"/>
<contactref element="U$1" pad="GND_SPI"/>
<contactref element="U$1" pad="GND1"/>
<contactref element="U$28" pad="P$2"/>
<contactref element="PWR_PINS" pad="2"/>
<contactref element="PWR_PINS" pad="3"/>
<contactref element="DPINS_2ND" pad="4"/>
<contactref element="U$3" pad="P$1_-VIN"/>
<contactref element="U$3" pad="P$9_0V"/>
<contactref element="C15" pad="1"/>
<contactref element="C14" pad="2"/>
<contactref element="U$1" pad="GND_2"/>
<contactref element="U$1" pad="GND_1"/>
<contactref element="R12" pad="2"/>
<contactref element="R13" pad="2"/>
<contactref element="INPUT" pad="S$1"/>
<contactref element="RESET" pad="S$1"/>
</signal>
<signal name="CARD_DETECT">
<contactref element="U$11" pad="CD1"/>
<contactref element="U$1" pad="2"/>
<contactref element="DPINS_1ST" pad="6"/>
</signal>
<signal name="N$36">
<contactref element="LED1" pad="C"/>
<contactref element="R13" pad="1"/>
</signal>
<signal name="N$37">
<contactref element="LED2" pad="C"/>
<contactref element="R12" pad="1"/>
</signal>
<signal name="LED_GREEN">
<contactref element="LED1" pad="A"/>
<contactref element="U$1" pad="4"/>
<contactref element="DPINS_1ST" pad="4"/>
</signal>
<signal name="LED_RED">
<contactref element="LED2" pad="A"/>
<contactref element="U$1" pad="3"/>
<contactref element="DPINS_1ST" pad="5"/>
</signal>
<signal name="SCL1">
<contactref element="U$1" pad="SCL1"/>
<contactref element="R14" pad="1"/>
<contactref element="IC6" pad="16"/>
<contactref element="DPINS_2ND" pad="1"/>
<contactref element="I2C_HEADER" pad="2"/>
</signal>
<signal name="SDA1">
<contactref element="U$1" pad="SDA1"/>
<contactref element="R15" pad="1"/>
<contactref element="IC6" pad="15"/>
<contactref element="DPINS_2ND" pad="2"/>
<contactref element="I2C_HEADER" pad="1"/>
</signal>
<signal name="BUTTON1">
<contactref element="U$1" pad="5"/>
<contactref element="INPUT" pad="P$1"/>
<contactref element="DPINS_1ST" pad="3"/>
</signal>
<signal name="N$35">
<contactref element="U$1" pad="GND_DEBUG"/>
<contactref element="DEBUG" pad="1"/>
</signal>
<signal name="N$38">
<contactref element="U$1" pad="SWCLK_DEBUG"/>
<contactref element="DEBUG" pad="2"/>
</signal>
<signal name="N$39">
<contactref element="U$1" pad="SWDIO_DEBUG"/>
<contactref element="DEBUG" pad="3"/>
</signal>
<signal name="N$40">
<contactref element="U$1" pad="RESET_DEBUG"/>
<contactref element="DEBUG" pad="4"/>
</signal>
<signal name="A6">
<contactref element="ANALOG_IN" pad="2"/>
<contactref element="U$1" pad="A6"/>
<contactref element="TMP102" pad="2"/>
</signal>
<signal name="A7">
<contactref element="ANALOG_IN" pad="1"/>
<contactref element="U$1" pad="A7"/>
<contactref element="ANALOG7_HEADER" pad="2"/>
</signal>
<signal name="IOREF">
<contactref element="PWR_PINS" pad="7"/>
<contactref element="U$1" pad="IOREF1"/>
</signal>
<signal name="RESET">
<contactref element="PWR_PINS" pad="6"/>
<contactref element="U$1" pad="RESET"/>
<contactref element="RESET" pad="P$1"/>
</signal>
<signal name="5V">
<contactref element="PWR_PINS" pad="4"/>
<contactref element="U$1" pad="5V1"/>
</signal>
<signal name="D1">
<contactref element="U$1" pad="TX0"/>
<contactref element="DPINS_1ST" pad="7"/>
</signal>
<signal name="D0">
<contactref element="U$1" pad="RX0"/>
<contactref element="DPINS_1ST" pad="8"/>
</signal>
<signal name="D6">
<contactref element="U$1" pad="6"/>
<contactref element="DPINS_1ST" pad="2"/>
</signal>
<signal name="D7">
<contactref element="U$1" pad="7"/>
<contactref element="DPINS_1ST" pad="1"/>
</signal>
<signal name="D8">
<contactref element="U$1" pad="8"/>
<contactref element="DPINS_2ND" pad="10"/>
</signal>
<signal name="D9">
<contactref element="U$1" pad="9"/>
<contactref element="DPINS_2ND" pad="9"/>
</signal>
<signal name="D12">
<contactref element="U$1" pad="12"/>
<contactref element="DPINS_2ND" pad="6"/>
</signal>
<signal name="D13">
<contactref element="U$1" pad="13"/>
<contactref element="DPINS_2ND" pad="5"/>
</signal>
<signal name="AREF">
<contactref element="U$1" pad="AREF"/>
<contactref element="DPINS_2ND" pad="3"/>
</signal>
<signal name="AGND">
<contactref element="0L" pad="A"/>
<contactref element="3L" pad="A"/>
<contactref element="C1" pad="1"/>
<contactref element="C7" pad="1"/>
<contactref element="AMP" pad="11"/>
<contactref element="C2" pad="2"/>
<contactref element="C8" pad="1"/>
<contactref element="REF" pad="11"/>
<contactref element="4L" pad="A"/>
<contactref element="1L" pad="A"/>
<contactref element="AMP" pad="5"/>
<contactref element="C3" pad="1"/>
<contactref element="C5" pad="1"/>
<contactref element="C6" pad="2"/>
<contactref element="AMP" pad="10"/>
<contactref element="2L" pad="A"/>
<contactref element="5L" pad="A"/>
<contactref element="SJ1" pad="1"/>
<contactref element="TMP102" pad="3"/>
<contactref element="AMP" pad="3"/>
<contactref element="C4" pad="2"/>
<contactref element="ANALOG7_HEADER" pad="1"/>
</signal>
<signal name="VNEG">
<contactref element="JOY_Y" pad="4"/>
<contactref element="C4" pad="1"/>
<contactref element="BEAM_Z" pad="4"/>
<contactref element="C6" pad="1"/>
<contactref element="JOY_X" pad="4"/>
<contactref element="C2" pad="1"/>
<contactref element="90" pad="P$1"/>
<contactref element="TRIMMER" pad="P$1"/>
<contactref element="70" pad="P$1"/>
</signal>
<signal name="VIN">
<contactref element="U$2" pad="P$3_COMMON"/>
<contactref element="U$3" pad="P$14_VIN"/>
<contactref element="U$1" pad="VIN1"/>
<contactref element="PWR_PINS" pad="1"/>
</signal>
<signal name="N$1">
<contactref element="JOYSTICK" pad="2"/>
<contactref element="JOY_X" pad="3"/>
</signal>
<signal name="N$3">
<contactref element="JOY_X" pad="6"/>
<contactref element="R4" pad="1"/>
</signal>
<signal name="N$4">
<contactref element="R6" pad="1"/>
<contactref element="BEAM_Z" pad="6"/>
</signal>
<signal name="N$8">
<contactref element="JOY_Y" pad="6"/>
<contactref element="R5" pad="1"/>
</signal>
<signal name="REF_BEAM">
<contactref element="BEAM_Z" pad="5"/>
<contactref element="REF" pad="9"/>
<contactref element="REF" pad="8"/>
</signal>
<signal name="REF_JOYX">
<contactref element="REF" pad="6"/>
<contactref element="REF" pad="7"/>
<contactref element="JOY_Y" pad="5"/>
</signal>
<signal name="REF_JOYY">
<contactref element="REF" pad="2"/>
<contactref element="REF" pad="1"/>
<contactref element="JOY_X" pad="5"/>
</signal>
<signal name="I2C_RES">
<contactref element="I2C_HEADER" pad="3"/>
<contactref element="U$1" pad="11"/>
<contactref element="DPINS_2ND" pad="7"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
