<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="9.2.2">
<drawing>
<board>
<plain>
<wire x1="26.67" y1="0" x2="1.27" y2="0" width="0" layer="20"/>
<wire x1="1.27" y1="0" x2="0" y2="1.27" width="0" layer="20" curve="-90"/>
<wire x1="0" y1="1.27" x2="0" y2="24.638" width="0" layer="20"/>
<wire x1="26.67" y1="0" x2="27.94" y2="1.27" width="0" layer="20" curve="90"/>
<wire x1="0" y1="24.638" x2="1.524" y2="26.67" width="0" layer="20" curve="-90"/>
<wire x1="1.524" y1="26.67" x2="26.924" y2="26.67" width="0" layer="20"/>
<wire x1="26.924" y1="26.67" x2="27.94" y2="25.146" width="0" layer="20" curve="-90"/>
<wire x1="27.94" y1="25.146" x2="27.94" y2="1.27" width="0" layer="20"/>
<text>Cerebro
5.8</text>
<text>mosi</text>
<text>gnd</text>
<text>miso</text>
<text>sck</text>
<text>Serial #</text>
<text>ON</text>
<text>OFF</text>
<text>Cerebro 5.8</text>
<text>RST</text>
<text>RST</text>
<text>3.3V</text>
<text>+</text>
<text>BTN</text>
<text>-</text>
</plain>
<libraries>
<library name="led">
<description>&lt;b&gt;LEDs&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;&lt;br&gt;
Extended by Federico Battaglin &lt;author&gt;&amp;lt;federico.rd@fdpinternational.com&amp;gt;&lt;/author&gt; with DUOLED</description>
<packages>
<package name="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>
</packages>
</library>
<library name="Cerebro-library">
<packages>
<package name="SOT23-5">
<description>&lt;b&gt;Small Outline Transistor&lt;/b&gt;</description>
</package>
<package name="SC-70">
</package>
<package name="0805">
</package>
<package name="SOT323">
<description>&lt;b&gt;Small Outline Transistor&lt;/b&gt;</description>
</package>
<package name="POWERMITE">
</package>
<package name="1812">
</package>
<package name="0603-RES">
</package>
<package name="MICRO-B-TH">
<description>&lt;h3&gt;Micro B USB Plug Assembly - Straight Through-hole&lt;/h3&gt;
See Digikey part #H125237-ND</description>
</package>
<package name="USB_HORZ_REINFORCED_MICRO">
</package>
<package name="RFM69HCW-XXXS2">
<description>&lt;h3&gt;Hope RF RFM69HCW RF Transciever&lt;/h3&gt;
&lt;p&gt;&lt;a href="http://www.orcam.eu/res/Datablad/rfm69hcwv11.pdf"&gt;Datasheet&lt;/a&gt;&lt;/p&gt;</description>
</package>
<package name="QFN-44-NOPAD">
</package>
<package name="CSTCE_V">
<description>Source: http://search.murata.co.jp/Ceramy/CatalogshowpageAction.do?sDirnm=A07X&amp;sFilnm=81G07006&amp;sType=2&amp;sLang=en&amp;sNHinnm=CSTCR6M00G53Z-R0&amp;sCapt=Standard_Land_Pattern_Dimensions</description>
</package>
<package name="SWITCH_MOMENTARY_XS">
<description>Panasonic EVP-AWCA2A</description>
</package>
<package name="1X01">
<description>&lt;h3&gt;Plated Through Hole&lt;/h3&gt;
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count:1&lt;/li&gt;
&lt;li&gt;Pin pitch:0.1"&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;
&lt;p&gt;Example device(s):
&lt;ul&gt;&lt;li&gt;CONN_01&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</description>
</package>
<package name="PDSO-N12">
<description>&lt;h3&gt;12-Pin VSON 2.5 x 4.0 mm IC&lt;/h3&gt;
&lt;p&gt;&lt;ul&gt;&lt;li&gt;Dimensions: 2.5 x 4.0 x 1.0 mm&lt;/li&gt;
&lt;li&gt;Pitch: 0.4mm&lt;/li&gt;
&lt;li&gt;Pins: 12 + Bottom Pad&lt;/li&gt;&lt;/p&gt;
&lt;p&gt;Used by the BQ27441 LiPo Fuel Gauge&lt;/p&gt;
&lt;p&gt;&lt;a href="http://www.ti.com/lit/ds/symlink/bq27441-g1.pdf"&gt;Example Datasheet&lt;/a&gt;&lt;/p&gt;
&lt;h4&gt;</description>
</package>
<package name="1206">
</package>
<package name="SWITCH-SPDT-SMD-REINFORCED">
</package>
<package name="MICRO_LOCK_2PIN">
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="R3" library="Cerebro-library" package="0603-RES" value="2k">
<attribute name="VALUE"/>
</element>
<element name="C3" library="Cerebro-library" package="0805" value="4.4uF">
<attribute name="PROD_ID" value="CAP-11624"/>
<attribute name="VALUE" value="2.2uF"/>
</element>
<element name="C4" library="Cerebro-library" package="0805" value="10uF">
<attribute name="PROD_ID" value="CAP-11330"/>
<attribute name="VALUE" value="10uF"/>
</element>
<element name="R4" library="Cerebro-library" package="0805" value="12k">
<attribute name="VALUE"/>
</element>
<element name="MIC2288" library="Cerebro-library" package="SOT23-5" value="BOOST">
<attribute name="VALUE"/>
</element>
<element name="D1" library="Cerebro-library" package="POWERMITE" value="MBRM140T3G"/>
<element name="L1" library="Cerebro-library" package="1812" value="10uH">
<attribute name="VALUE"/>
</element>
<element name="R5" library="Cerebro-library" package="0603-RES" value="20k">
<attribute name="VALUE"/>
</element>
<element name="INDICATOR_LED" library="led" package="CHIP-LED0603" value="RED">
<attribute name="VALUE"/>
</element>
<element name="T1" library="Cerebro-library" package="SOT323" value="FJX3904TF">
<attribute name="MF" value=""/>
<attribute name="MPN" value="DSS4160U-7"/>
<attribute name="OC_FARNELL" value="1710696"/>
<attribute name="OC_NEWARK" value="25R4558"/>
</element>
<element name="OP_2" library="Cerebro-library" package="SOT23-5" value="OPA237N">
<attribute name="MF" value="TEXAS INSTRUMENTS"/>
<attribute name="MPN" value="OPA237NA/250"/>
<attribute name="NAME"/>
<attribute name="OC_FARNELL" value="4625298"/>
<attribute name="OC_NEWARK" value="35C1874"/>
</element>
<element name="DAC1" library="Cerebro-library" package="SC-70" value="DAC">
<attribute name="VALUE"/>
</element>
<element name="R1" library="Cerebro-library" package="0603-RES" value="27">
<attribute name="VALUE"/>
</element>
<element name="R2" library="Cerebro-library" package="0603-RES" value="12">
<attribute name="VALUE"/>
</element>
<element name="R8" library="Cerebro-library" package="0603-RES" value="20k">
<attribute name="VALUE"/>
</element>
<element name="T2" library="Cerebro-library" package="SOT323" value="FJX3904TF">
<attribute name="MF" value=""/>
<attribute name="MPN" value="DSS4160U-7"/>
<attribute name="OC_FARNELL" value="1710696"/>
<attribute name="OC_NEWARK" value="25R4558"/>
</element>
<element name="OP_1" library="Cerebro-library" package="SOT23-5" value="OPA237N">
<attribute name="MF" value="TEXAS INSTRUMENTS"/>
<attribute name="MPN" value="OPA237NA/250"/>
<attribute name="NAME"/>
<attribute name="OC_FARNELL" value="4625298"/>
<attribute name="OC_NEWARK" value="35C1874"/>
</element>
<element name="DAC2" library="Cerebro-library" package="SC-70" value="DAC">
<attribute name="VALUE"/>
</element>
<element name="R6" library="Cerebro-library" package="0603-RES" value="27">
<attribute name="VALUE"/>
</element>
<element name="R7" library="Cerebro-library" package="0603-RES" value="12">
<attribute name="VALUE"/>
</element>
<element name="R9" library="Cerebro-library" package="0603-RES" value="20k">
<attribute name="VALUE"/>
</element>
<element name="C1" library="Cerebro-library" package="0805" value="10uF">
<attribute name="PROD_ID" value="CAP-11330"/>
<attribute name="VALUE" value="10uF"/>
<attribute name="VALUE"/>
</element>
<element name="VREG" library="Cerebro-library" package="SOT23-5" value="3.3V">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="VREG-12457"/>
</element>
<element name="JP1" library="Cerebro-library" package="MICRO-B-TH" value="USB_MICROB_PLUG-PTH2"/>
<element name="MICROUSB" library="Cerebro-library" package="USB_HORZ_REINFORCED_MICRO" value="USB_MICRO_SOCKET_HORZ_REINFORCED"/>
<element name="U2" library="Cerebro-library" package="RFM69HCW-XXXS2" value="915MHz">
<attribute name="PROD_ID" value="IC-11997"/>
</element>
<element name="U$4" library="Cerebro-library" package="QFN-44-NOPAD" value="32U4">
<attribute name="PROD_ID" value="IC-10828"/>
<attribute name="VALUE"/>
</element>
<element name="8MHZ" library="Cerebro-library" package="CSTCE_V" value="RESONATOR_CSTCE_V">
<attribute name="NAME"/>
</element>
<element name="R12" library="Cerebro-library" package="0603-RES" value="27">
<attribute name="VALUE"/>
</element>
<element name="R13" library="Cerebro-library" package="0603-RES" value="27">
<attribute name="VALUE"/>
</element>
<element name="RESET" library="Cerebro-library" package="SWITCH_MOMENTARY_XS" value="SWITCH-MOMENTARY-NO"/>
<element name="R14" library="Cerebro-library" package="0603-RES" value="100k">
<attribute name="VALUE"/>
</element>
<element name="U$1" library="Cerebro-library" package="1X01" value="ANTENNA"/>
<element name="U3" library="Cerebro-library" package="PDSO-N12" value="Fuel Guage">
<attribute name="PROD_ID" value="IC-13220"/>
</element>
<element name="C6" library="Cerebro-library" package="0805" value="0.47uF">
<attribute name="PROD_ID" value="CAP-11330"/>
<attribute name="VALUE"/>
</element>
<element name="R15" library="Cerebro-library" package="0603-RES" value="4.7k">
<attribute name="VALUE"/>
</element>
<element name="R16" library="Cerebro-library" package="0603-RES" value="4.7k">
<attribute name="VALUE"/>
</element>
<element name="R17" library="Cerebro-library" package="1206" value="0.01">
<attribute name="VALUE"/>
</element>
<element name="C7" library="Cerebro-library" package="0805" value="1uF">
<attribute name="PROD_ID" value="CAP-11330"/>
<attribute name="VALUE"/>
</element>
<element name="R18" library="Cerebro-library" package="0603-RES" value="20k">
<attribute name="VALUE"/>
</element>
<element name="C5" library="Cerebro-library" package="0805" value="10uF">
<attribute name="PROD_ID" value="CAP-11330"/>
<attribute name="VALUE"/>
</element>
<element name="C9" library="Cerebro-library" package="0805" value="1uF">
<attribute name="PROD_ID" value="CAP-11330"/>
<attribute name="VALUE"/>
</element>
<element name="R19" library="Cerebro-library" package="0603-RES" value="20k">
<attribute name="VALUE"/>
</element>
<element name="INDICATOR_LED1" library="led" package="CHIP-LED0603" value="YLW">
<attribute name="VALUE"/>
</element>
<element name="R20" library="Cerebro-library" package="0603-RES" value="4.7k">
<attribute name="VALUE"/>
</element>
<element name="S1" library="Cerebro-library" package="SWITCH-SPDT-SMD-REINFORCED" value=""/>
<element name="CN1" library="Cerebro-library" package="MICRO_LOCK_2PIN" value=""/>
<element name="INDICATOR_LED2" library="led" package="CHIP-LED0603" value="GRN">
<attribute name="VALUE"/>
</element>
<element name="R10" library="Cerebro-library" package="0603-RES" value="4.7k">
<attribute name="VALUE"/>
</element>
<element name="RESET1" library="Cerebro-library" package="SWITCH_MOMENTARY_XS" value="SWITCH-MOMENTARY-NO"/>
<element name="R11" library="Cerebro-library" package="0603-RES" value="2k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C8" library="Cerebro-library" package="0805" value="10uF">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="CAP-11330"/>
<attribute name="VALUE"/>
</element>
<element name="R21" library="Cerebro-library" package="0805" value="12k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="MIC1" library="Cerebro-library" package="SOT23-5" value="BOOST">
<attribute name="NAME"/>
</element>
<element name="D2" library="Cerebro-library" package="POWERMITE" value="MBRM140T3G"/>
<element name="L2" library="Cerebro-library" package="1812" value="10uH">
<attribute name="VALUE"/>
</element>
</elements>
<signals>
<signal name="BATT">
<contactref element="C3" pad="1"/>
<contactref element="L1" pad="P$4"/>
<contactref element="L1" pad="P$2"/>
<contactref element="MIC2288" pad="4"/>
<contactref element="MIC2288" pad="5"/>
<contactref element="INDICATOR_LED" pad="A"/>
<contactref element="OP_2" pad="5"/>
<contactref element="DAC1" pad="VCC"/>
<contactref element="OP_1" pad="5"/>
<contactref element="DAC2" pad="VCC"/>
<contactref element="VREG" pad="1"/>
<contactref element="VREG" pad="3"/>
<contactref element="U3" pad="7"/>
<contactref element="R17" pad="2"/>
<contactref element="L2" pad="P$4"/>
<contactref element="L2" pad="P$2"/>
<contactref element="MIC1" pad="4"/>
<contactref element="MIC1" pad="5"/>
</signal>
<signal name="N$10">
<contactref element="R3" pad="2"/>
<contactref element="R4" pad="1"/>
<contactref element="MIC2288" pad="3"/>
</signal>
<signal name="8.68VDC">
<contactref element="R4" pad="2"/>
<contactref element="D1" pad="CATHODE"/>
<contactref element="C4" pad="1"/>
<contactref element="JP1" pad="2"/>
<contactref element="JP1" pad="4"/>
</signal>
<signal name="N$15">
<contactref element="MIC2288" pad="1"/>
<contactref element="D1" pad="ANODE"/>
<contactref element="L1" pad="P$3"/>
<contactref element="L1" pad="P$1"/>
</signal>
<signal name="N$8">
<contactref element="R5" pad="1"/>
<contactref element="INDICATOR_LED" pad="C"/>
</signal>
<signal name="GND">
<contactref element="C4" pad="2"/>
<contactref element="R3" pad="1"/>
<contactref element="C3" pad="2"/>
<contactref element="MIC2288" pad="2"/>
<contactref element="R5" pad="2"/>
<contactref element="R2" pad="2"/>
<contactref element="DAC1" pad="GND"/>
<contactref element="OP_2" pad="2"/>
<contactref element="R8" pad="2"/>
<contactref element="R7" pad="2"/>
<contactref element="DAC2" pad="GND"/>
<contactref element="OP_1" pad="2"/>
<contactref element="R9" pad="2"/>
<contactref element="VREG" pad="2"/>
<contactref element="JP1" pad="P$2"/>
<contactref element="JP1" pad="P$1"/>
<contactref element="8MHZ" pad="2"/>
<contactref element="U$4" pad="5"/>
<contactref element="U$4" pad="43"/>
<contactref element="U$4" pad="35"/>
<contactref element="U$4" pad="23"/>
<contactref element="U$4" pad="15"/>
<contactref element="MICROUSB" pad="G2"/>
<contactref element="MICROUSB" pad="G1"/>
<contactref element="MICROUSB" pad="P$2"/>
<contactref element="MICROUSB" pad="P$1"/>
<contactref element="RESET" pad="P$1"/>
<contactref element="U2" pad="P10"/>
<contactref element="U2" pad="P8"/>
<contactref element="U2" pad="P1"/>
<contactref element="C6" pad="2"/>
<contactref element="C7" pad="1"/>
<contactref element="U3" pad="3"/>
<contactref element="U3" pad="EP"/>
<contactref element="U3" pad="EP2"/>
<contactref element="U3" pad="EP3"/>
<contactref element="U3" pad="EP1"/>
<contactref element="U3" pad="EP4"/>
<contactref element="R18" pad="1"/>
<contactref element="C5" pad="2"/>
<contactref element="C9" pad="2"/>
<contactref element="MICROUSB" pad="P5"/>
<contactref element="C1" pad="2"/>
<contactref element="R20" pad="2"/>
<contactref element="S1" pad="1"/>
<contactref element="CN1" pad="P$1"/>
<contactref element="R10" pad="2"/>
<contactref element="RESET1" pad="P$2"/>
<contactref element="C8" pad="2"/>
<contactref element="R11" pad="1"/>
<contactref element="MIC1" pad="2"/>
</signal>
<signal name="N$3">
<contactref element="DAC1" pad="VOUT"/>
<contactref element="OP_2" pad="3"/>
<contactref element="R8" pad="1"/>
</signal>
<signal name="N$6">
<contactref element="OP_2" pad="4"/>
<contactref element="T1" pad="3"/>
<contactref element="R2" pad="1"/>
</signal>
<signal name="N$9">
<contactref element="OP_2" pad="1"/>
<contactref element="R1" pad="2"/>
</signal>
<signal name="N$11">
<contactref element="R1" pad="1"/>
<contactref element="T1" pad="2"/>
</signal>
<signal name="N$4">
<contactref element="C1" pad="1"/>
<contactref element="S1" pad="3"/>
<contactref element="CN1" pad="P$2"/>
</signal>
<signal name="N$1">
<contactref element="DAC2" pad="VOUT"/>
<contactref element="OP_1" pad="3"/>
<contactref element="R9" pad="1"/>
</signal>
<signal name="N$2">
<contactref element="OP_1" pad="4"/>
<contactref element="T2" pad="3"/>
<contactref element="R7" pad="1"/>
</signal>
<signal name="N$5">
<contactref element="OP_1" pad="1"/>
<contactref element="R6" pad="2"/>
</signal>
<signal name="N$7">
<contactref element="R6" pad="1"/>
<contactref element="T2" pad="2"/>
</signal>
<signal name="3.3VDC">
<contactref element="VREG" pad="5"/>
<contactref element="U$4" pad="33"/>
<contactref element="U$4" pad="44"/>
<contactref element="U$4" pad="24"/>
<contactref element="U$4" pad="14"/>
<contactref element="U$4" pad="34"/>
<contactref element="U$4" pad="6"/>
<contactref element="R14" pad="2"/>
<contactref element="R15" pad="1"/>
<contactref element="R16" pad="1"/>
<contactref element="C5" pad="1"/>
<contactref element="C9" pad="1"/>
<contactref element="U2" pad="P13"/>
<contactref element="R19" pad="1"/>
</signal>
<signal name="LEFT_CATHODE">
<contactref element="JP1" pad="1"/>
<contactref element="T1" pad="1"/>
</signal>
<signal name="RIGHT_CATHODE">
<contactref element="JP1" pad="5"/>
<contactref element="T2" pad="1"/>
</signal>
<signal name="N$12">
<contactref element="U$4" pad="17"/>
<contactref element="8MHZ" pad="1"/>
</signal>
<signal name="N$13">
<contactref element="U$4" pad="16"/>
<contactref element="8MHZ" pad="3"/>
</signal>
<signal name="N$14">
<contactref element="MICROUSB" pad="P1"/>
<contactref element="U$4" pad="7"/>
</signal>
<signal name="N$16">
<contactref element="U$4" pad="4"/>
<contactref element="R12" pad="1"/>
</signal>
<signal name="N$17">
<contactref element="U$4" pad="3"/>
<contactref element="R13" pad="2"/>
</signal>
<signal name="RESET">
<contactref element="U$4" pad="13"/>
<contactref element="RESET" pad="P$2"/>
</signal>
<signal name="MISO">
<contactref element="U$4" pad="11"/>
<contactref element="U2" pad="P2"/>
</signal>
<signal name="MOSI">
<contactref element="U$4" pad="10"/>
<contactref element="DAC2" pad="SDI"/>
<contactref element="DAC1" pad="SDI"/>
<contactref element="U2" pad="P3"/>
</signal>
<signal name="SCK">
<contactref element="U$4" pad="9"/>
<contactref element="DAC2" pad="SCK"/>
<contactref element="DAC1" pad="SCK"/>
<contactref element="U2" pad="P4"/>
</signal>
<signal name="DAC_LEFT_SELECT">
<contactref element="DAC1" pad="CS/LD"/>
<contactref element="U$4" pad="8"/>
</signal>
<signal name="DAC_RIGHT_SELECT">
<contactref element="DAC2" pad="CS/LD"/>
<contactref element="U$4" pad="20"/>
</signal>
<signal name="RADIO_INT">
<contactref element="U2" pad="P14"/>
<contactref element="U$4" pad="21"/>
</signal>
<signal name="RADIO_SELECT">
<contactref element="U2" pad="P5"/>
<contactref element="R14" pad="1"/>
<contactref element="U$4" pad="1"/>
</signal>
<signal name="N$22">
<contactref element="U2" pad="P9"/>
<contactref element="U$1" pad="1"/>
</signal>
<signal name="1.8VDC">
<contactref element="U3" pad="5"/>
<contactref element="C6" pad="1"/>
</signal>
<signal name="SDA">
<contactref element="U3" pad="1"/>
<contactref element="U$4" pad="19"/>
<contactref element="R16" pad="2"/>
</signal>
<signal name="SCL">
<contactref element="U3" pad="2"/>
<contactref element="U$4" pad="18"/>
<contactref element="R15" pad="2"/>
</signal>
<signal name="FUEL_GPIO">
<contactref element="U3" pad="12"/>
<contactref element="R19" pad="2"/>
</signal>
<signal name="N$26">
<contactref element="U3" pad="10"/>
<contactref element="R18" pad="2"/>
</signal>
<signal name="RADIO_RESET">
<contactref element="U$4" pad="31"/>
</signal>
<signal name="N$27">
<contactref element="U$4" pad="28"/>
</signal>
<signal name="N$31">
<contactref element="U$4" pad="25"/>
</signal>
<signal name="BAT_IN">
<contactref element="U3" pad="6"/>
<contactref element="C7" pad="2"/>
<contactref element="U3" pad="8"/>
<contactref element="R17" pad="1"/>
<contactref element="S1" pad="2"/>
</signal>
<signal name="N$24">
<contactref element="INDICATOR_LED1" pad="C"/>
<contactref element="R20" pad="1"/>
</signal>
<signal name="N$18">
<contactref element="R12" pad="2"/>
<contactref element="MICROUSB" pad="P3"/>
</signal>
<signal name="N$19">
<contactref element="R13" pad="1"/>
<contactref element="MICROUSB" pad="P2"/>
</signal>
<signal name="N$23">
<contactref element="U$4" pad="37"/>
</signal>
<signal name="N$25">
<contactref element="U$4" pad="36"/>
<contactref element="INDICATOR_LED1" pad="A"/>
</signal>
<signal name="N$28">
<contactref element="U$4" pad="29"/>
</signal>
<signal name="N$30">
<contactref element="U$4" pad="30"/>
</signal>
<signal name="N$20">
<contactref element="INDICATOR_LED2" pad="C"/>
<contactref element="R10" pad="1"/>
</signal>
<signal name="N$21">
<contactref element="U$4" pad="27"/>
<contactref element="RESET1" pad="P$1"/>
</signal>
<signal name="N$29">
<contactref element="U$4" pad="26"/>
<contactref element="INDICATOR_LED2" pad="A"/>
</signal>
<signal name="N$32">
<contactref element="R11" pad="2"/>
<contactref element="R21" pad="1"/>
<contactref element="MIC1" pad="3"/>
</signal>
<signal name="N$34">
<contactref element="MIC1" pad="1"/>
<contactref element="D2" pad="ANODE"/>
<contactref element="L2" pad="P$3"/>
<contactref element="L2" pad="P$1"/>
</signal>
<signal name="8.68VDC2">
<contactref element="D2" pad="CATHODE"/>
<contactref element="R21" pad="2"/>
<contactref element="C8" pad="1"/>
<contactref element="JP1" pad="3"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
