From e9c6e40374a98b6a123fef40d067ed8d3ab12d6f Mon Sep 17 00:00:00 2001
From: Sam Calisch <s.calisch@gmail.com>
Date: Mon, 30 Oct 2017 18:01:33 -0400
Subject: [PATCH] added eagle files

---
 v2/loadcell-main.brd | 1020 ++++++++++++++++++++++++++
 v2/loadcell-main.sch | 1642 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 2662 insertions(+)
 create mode 100644 v2/loadcell-main.brd
 create mode 100644 v2/loadcell-main.sch

diff --git a/v2/loadcell-main.brd b/v2/loadcell-main.brd
new file mode 100644
index 0000000..65fab8b
--- /dev/null
+++ b/v2/loadcell-main.brd
@@ -0,0 +1,1020 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE eagle SYSTEM "eagle.dtd">
+<eagle version="8.4.0">
+<drawing>
+<settings>
+<setting alwaysvectorfont="no"/>
+<setting verticaltext="up"/>
+</settings>
+<grid distance="10" unitdist="mil" unit="mil" style="lines" multiple="1" display="no" altdistance="5" altunitdist="mil" altunit="mil"/>
+<layers>
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+<circle x="-0.8" y="-0.25" radius="0.1" width="0" layer="21"/>
+<wire x1="0" y1="0" x2="0" y2="-8.8" width="0.127" layer="51"/>
+<wire x1="0" y1="-8.8" x2="7.8" y2="-8.8" width="0.127" layer="51"/>
+<wire x1="7.8" y1="-8.8" x2="7.8" y2="0" width="0.127" layer="51"/>
+<wire x1="0" y1="0" x2="7.8" y2="0" width="0.127" layer="51"/>
+<wire x1="0" y1="-0.95" x2="0" y2="-1.1" width="0.127" layer="21"/>
+<wire x1="0" y1="-2.05" x2="0" y2="-2.2" width="0.127" layer="21"/>
+<wire x1="0" y1="-3.15" x2="0" y2="-3.3" width="0.127" layer="21"/>
+<wire x1="0" y1="-4.25" x2="0" y2="-4.4" width="0.127" layer="21"/>
+<wire x1="0" y1="-5.35" x2="0" y2="-5.5" width="0.127" layer="21"/>
+<wire x1="0" y1="-6.45" x2="0" y2="-6.6" width="0.127" layer="21"/>
+<wire x1="0" y1="-7.55" x2="0" y2="-7.7" width="0.127" layer="21"/>
+<wire x1="7.8" y1="-7.55" x2="7.8" y2="-7.7" width="0.127" layer="21"/>
+<wire x1="7.8" y1="-6.45" x2="7.8" y2="-6.6" width="0.127" layer="21"/>
+<wire x1="7.8" y1="-5.35" x2="7.8" y2="-5.5" width="0.127" layer="21"/>
+<wire x1="7.8" y1="-4.25" x2="7.8" y2="-4.4" width="0.127" layer="21"/>
+<wire x1="7.8" y1="-3.15" x2="7.8" y2="-3.3" width="0.127" layer="21"/>
+<wire x1="7.8" y1="-2.05" x2="7.8" y2="-2.2" width="0.127" layer="21"/>
+<wire x1="7.8" y1="-0.95" x2="7.8" y2="-1.1" width="0.127" layer="21"/>
+<wire x1="0" y1="0" x2="7.8" y2="0" width="0.127" layer="21"/>
+<wire x1="0" y1="-8.8" x2="7.8" y2="-8.8" width="0.127" layer="21"/>
+<text x="1.397" y="-2.159" size="1" layer="25">&gt;NAME</text>
+<wire x1="0.762" y1="0.254" x2="0.762" y2="-3.048" width="0.127" layer="41"/>
+<wire x1="0.762" y1="-3.048" x2="6.985" y2="-3.048" width="0.127" layer="41"/>
+<wire x1="6.985" y1="-3.048" x2="6.985" y2="0.254" width="0.127" layer="41"/>
+<wire x1="6.985" y1="0.254" x2="0.762" y2="0.254" width="0.127" layer="41"/>
+<wire x1="0.762" y1="-3.048" x2="6.985" y2="-3.048" width="0.127" layer="42"/>
+<wire x1="6.985" y1="-3.048" x2="6.985" y2="0.254" width="0.127" layer="42"/>
+<wire x1="6.985" y1="0.254" x2="0.762" y2="0.254" width="0.127" layer="42"/>
+<wire x1="0.762" y1="0.254" x2="0.762" y2="-3.048" width="0.127" layer="42"/>
+</package>
+<package name="TAG-CONNECT" library_version="7" library_locally_modified="yes">
+<hole x="0" y="0" drill="0.99821875"/>
+<hole x="5.08" y="1.016" drill="0.99821875"/>
+<hole x="5.08" y="-1.016" drill="0.99821875"/>
+<smd name="P$1" x="1.27" y="-0.635" dx="0.7874" dy="0.7874" layer="1" roundness="100"/>
+<smd name="P$2" x="1.27" y="0.635" dx="0.7874" dy="0.7874" layer="1" roundness="100"/>
+<smd name="P$4" x="2.54" y="0.635" dx="0.7874" dy="0.7874" layer="1" roundness="100"/>
+<smd name="P$6" x="3.81" y="0.635" dx="0.7874" dy="0.7874" layer="1" roundness="100"/>
+<smd name="P$5" x="3.81" y="-0.635" dx="0.7874" dy="0.7874" layer="1" roundness="100"/>
+<smd name="P$3" x="2.54" y="-0.635" dx="0.7874" dy="0.7874" layer="1" roundness="100"/>
+<wire x1="1.27" y1="-0.635" x2="3.81" y2="-0.635" width="0.127" layer="39"/>
+<wire x1="3.81" y1="-0.635" x2="3.81" y2="0.635" width="0.127" layer="39"/>
+<wire x1="3.81" y1="0.635" x2="1.27" y2="0.635" width="0.127" layer="39"/>
+<wire x1="1.27" y1="0.635" x2="1.27" y2="-0.635" width="0.127" layer="39"/>
+<circle x="0" y="0" radius="0.5334" width="0.066040625" layer="46"/>
+<circle x="0" y="0" radius="0.5334" width="0.066040625" layer="46"/>
+<circle x="5.08" y="1.016" radius="0.5334" width="0.066040625" layer="46"/>
+<circle x="5.08" y="-1.016" radius="0.5334" width="0.066040625" layer="46"/>
+</package>
+<package name="TACTILE_SWITCH_KMR7" library_version="7" library_locally_modified="yes">
+<smd name="P$1" x="-2" y="-0.8" dx="2" dy="1" layer="1"/>
+<smd name="P$2" x="2" y="-0.8" dx="2" dy="1" layer="1"/>
+<smd name="P$3" x="-2" y="0.8" dx="2" dy="1" layer="1"/>
+<smd name="P$4" x="2" y="0.8" dx="2" dy="1" layer="1"/>
+<circle x="-2.8" y="-1.5" radius="0.1" width="0" layer="21"/>
+<wire x1="-2.2" y1="1.5" x2="-2.2" y2="-1.5" width="0.127" layer="51"/>
+<wire x1="-2.2" y1="-1.5" x2="2.2" y2="-1.5" width="0.127" layer="51"/>
+<wire x1="2.2" y1="-1.5" x2="2.2" y2="1.5" width="0.127" layer="51"/>
+<wire x1="2.2" y1="1.5" x2="-2.2" y2="1.5" width="0.127" layer="51"/>
+<wire x1="-2.3" y1="0.2" x2="-2.3" y2="-0.2" width="0.127" layer="21"/>
+<wire x1="2.3" y1="0.2" x2="2.3" y2="-0.2" width="0.127" layer="21"/>
+<wire x1="-0.9" y1="-1.3" x2="0.9" y2="-1.3" width="0.127" layer="21"/>
+<wire x1="-0.9" y1="1.3" x2="0.9" y2="1.3" width="0.127" layer="21"/>
+</package>
+<package name="TSOT-23-5" library_version="7" library_locally_modified="yes">
+<smd name="P$1" x="-1.31" y="0.95" dx="1.3" dy="0.5" layer="1"/>
+<smd name="P$2" x="-1.31" y="0" dx="1.3" dy="0.5" layer="1"/>
+<smd name="P$3" x="-1.31" y="-0.95" dx="1.3" dy="0.5" layer="1"/>
+<smd name="P$4" x="1.31" y="-0.95" dx="1.3" dy="0.5" layer="1"/>
+<smd name="P$5" x="1.31" y="0.95" dx="1.3" dy="0.5" layer="1"/>
+<circle x="-1.8" y="1.4" radius="0.1" width="0" layer="21"/>
+<wire x1="-0.6" y1="0.9" x2="0.6" y2="0.9" width="0.127" layer="21"/>
+<wire x1="-0.6" y1="-0.9" x2="0.6" y2="-0.9" width="0.127" layer="21"/>
+<wire x1="0.7" y1="-0.6" x2="0.7" y2="0.6" width="0.127" layer="21"/>
+<wire x1="-0.7" y1="-0.6" x2="-0.7" y2="-0.4" width="0.127" layer="21"/>
+<wire x1="-0.7" y1="0.6" x2="-0.7" y2="0.4" width="0.127" layer="21"/>
+</package>
+<package name="RESC0805_L" library_version="7" library_locally_modified="yes">
+<description>&lt;b&gt;0805&lt;/b&gt;chip&lt;p&gt;
+
+0805 (imperial)&lt;br/&gt;
+2012 (metric)&lt;br/&gt;
+IPC High Density</description>
+<smd name="1" x="-1" y="0" dx="1" dy="1.25" layer="1"/>
+<smd name="2" x="1" y="0" dx="1" dy="1.25" layer="1"/>
+<text x="-1" y="1" size="0.508" layer="25">&gt;NAME</text>
+<text x="-1" y="-1.23" size="0.508" layer="27">&gt;VALUE</text>
+<rectangle x1="-0.1999" y1="-0.5001" x2="0.1999" y2="0.5001" layer="35"/>
+<wire x1="-1" y1="0.6" x2="1" y2="0.6" width="0.127" layer="51"/>
+<wire x1="1" y1="0.6" x2="1" y2="-0.6" width="0.127" layer="51"/>
+<wire x1="1" y1="-0.6" x2="-1" y2="-0.6" width="0.127" layer="51"/>
+<wire x1="-1" y1="-0.6" x2="-1" y2="0.6" width="0.127" layer="51"/>
+<wire x1="1.6" y1="-0.75" x2="1.6" y2="0.75" width="0.1" layer="39"/>
+<wire x1="1.6" y1="0.75" x2="-1.6" y2="0.75" width="0.1" layer="39"/>
+<wire x1="-1.6" y1="0.75" x2="-1.6" y2="-0.75" width="0.1" layer="39"/>
+<wire x1="-1.6" y1="-0.75" x2="1.6" y2="-0.75" width="0.1" layer="39"/>
+</package>
+<package name="JST-CONNECT-ACH-2" library_version="7" library_locally_modified="yes">
+<smd name="P$1" x="4.2" y="-0.6" dx="1.75" dy="0.6" layer="1"/>
+<smd name="P$2" x="4.2" y="0.6" dx="1.75" dy="0.6" layer="1"/>
+<smd name="P$3" x="0.4" y="1.75" dx="1.5" dy="1" layer="1"/>
+<smd name="P$4" x="0.4" y="-1.75" dx="1.5" dy="1" layer="1"/>
+<wire x1="0" y1="-2" x2="4.2" y2="-2" width="0.127" layer="21"/>
+<wire x1="4.2" y1="-2" x2="4.2" y2="2" width="0.127" layer="21"/>
+<wire x1="4.2" y1="2" x2="0" y2="2" width="0.127" layer="21"/>
+<wire x1="0" y1="2" x2="0" y2="1" width="0.127" layer="21"/>
+<wire x1="0" y1="1" x2="1" y2="0" width="0.127" layer="21"/>
+<wire x1="1" y1="0" x2="0" y2="-1" width="0.127" layer="21"/>
+<wire x1="0" y1="-1" x2="0" y2="-2" width="0.127" layer="21"/>
+<text x="1" y="1" size="0.5" layer="21">&gt;NAME</text>
+<text x="1.016" y="-1.778" size="0.5" layer="21">&gt;VALUE</text>
+</package>
+</packages>
+</library>
+</libraries>
+<attributes>
+</attributes>
+<variantdefs>
+</variantdefs>
+<classes>
+<class number="0" name="default" width="0" drill="0">
+</class>
+</classes>
+<designrules name="default *">
+<description language="de">&lt;b&gt;EAGLE Design Rules&lt;/b&gt;
+&lt;p&gt;
+Die Standard-Design-Rules sind so gewählt, dass sie für 
+die meisten Anwendungen passen. Sollte ihre Platine 
+besondere Anforderungen haben, treffen Sie die erforderlichen
+Einstellungen hier und speichern die Design Rules unter 
+einem neuen Namen ab.</description>
+<description language="en">&lt;b&gt;EAGLE Design Rules&lt;/b&gt;
+&lt;p&gt;
+The default Design Rules have been set to cover
+a wide range of applications. Your particular design
+may have different requirements, so please make the
+necessary adjustments and save your customized
+design rules under a new name.</description>
+<param name="layerSetup" value="(1*16)"/>
+<param name="mtCopper" value="0.035mm 0.035mm 0.035mm 0.035mm 0.035mm 0.035mm 0.035mm 0.035mm 0.035mm 0.035mm 0.035mm 0.035mm 0.035mm 0.035mm 0.035mm 0.035mm"/>
+<param name="mtIsolate" value="1.5mm 0.15mm 0.2mm 0.15mm 0.2mm 0.15mm 0.2mm 0.15mm 0.2mm 0.15mm 0.2mm 0.15mm 0.2mm 0.15mm 0.2mm"/>
+<param name="mdWireWire" value="18mil"/>
+<param name="mdWirePad" value="18mil"/>
+<param name="mdWireVia" value="18mil"/>
+<param name="mdPadPad" value="18mil"/>
+<param name="mdPadVia" value="18mil"/>
+<param name="mdViaVia" value="18mil"/>
+<param name="mdSmdPad" value="0mil"/>
+<param name="mdSmdVia" value="0mil"/>
+<param name="mdSmdSmd" value="0mil"/>
+<param name="mdViaViaSameLayer" value="6mil"/>
+<param name="mnLayersViaInSmd" value="2"/>
+<param name="mdCopperDimension" value="16mil"/>
+<param name="mdDrill" value="4mil"/>
+<param name="mdSmdStop" value="0mil"/>
+<param name="msWidth" value="6mil"/>
+<param name="msDrill" value="0.35mm"/>
+<param name="msMicroVia" value="9.99mm"/>
+<param name="msBlindViaRatio" value="0.5"/>
+<param name="rvPadTop" value="0.25"/>
+<param name="rvPadInner" value="0.25"/>
+<param name="rvPadBottom" value="0.25"/>
+<param name="rvViaOuter" value="0.25"/>
+<param name="rvViaInner" value="0.25"/>
+<param name="rvMicroViaOuter" value="0.25"/>
+<param name="rvMicroViaInner" value="0.25"/>
+<param name="rlMinPadTop" value="10mil"/>
+<param name="rlMaxPadTop" value="20mil"/>
+<param name="rlMinPadInner" value="10mil"/>
+<param name="rlMaxPadInner" value="20mil"/>
+<param name="rlMinPadBottom" value="10mil"/>
+<param name="rlMaxPadBottom" value="20mil"/>
+<param name="rlMinViaOuter" value="8mil"/>
+<param name="rlMaxViaOuter" value="20mil"/>
+<param name="rlMinViaInner" value="8mil"/>
+<param name="rlMaxViaInner" value="20mil"/>
+<param name="rlMinMicroViaOuter" value="4mil"/>
+<param name="rlMaxMicroViaOuter" value="20mil"/>
+<param name="rlMinMicroViaInner" value="4mil"/>
+<param name="rlMaxMicroViaInner" value="20mil"/>
+<param name="psTop" value="-1"/>
+<param name="psBottom" value="-1"/>
+<param name="psFirst" value="-1"/>
+<param name="psElongationLong" value="100"/>
+<param name="psElongationOffset" value="100"/>
+<param name="mvStopFrame" value="1"/>
+<param name="mvCreamFrame" value="0"/>
+<param name="mlMinStopFrame" value="4mil"/>
+<param name="mlMaxStopFrame" value="4mil"/>
+<param name="mlMinCreamFrame" value="0mil"/>
+<param name="mlMaxCreamFrame" value="0mil"/>
+<param name="mlViaStopLimit" value="0mil"/>
+<param name="srRoundness" value="0"/>
+<param name="srMinRoundness" value="0mil"/>
+<param name="srMaxRoundness" value="0mil"/>
+<param name="slThermalIsolate" value="18mil"/>
+<param name="slThermalsForVias" value="0"/>
+<param name="dpMaxLengthDifference" value="10mm"/>
+<param name="dpGapFactor" value="2.5"/>
+<param name="checkFont" value="1"/>
+<param name="checkRestrict" value="1"/>
+<param name="checkStop" value="0"/>
+<param name="useDiameter" value="13"/>
+<param name="maxErrors" value="50"/>
+</designrules>
+<autorouter>
+<pass name="Default">
+<param name="RoutingGrid" value="50mil"/>
+<param name="AutoGrid" value="1"/>
+<param name="Efforts" value="0"/>
+<param name="TopRouterVariant" value="1"/>
+<param name="tpViaShape" value="round"/>
+<param name="PrefDir.1" value="a"/>
+<param name="PrefDir.2" value="0"/>
+<param name="PrefDir.3" value="0"/>
+<param name="PrefDir.4" value="0"/>
+<param name="PrefDir.5" value="0"/>
+<param name="PrefDir.6" value="0"/>
+<param name="PrefDir.7" value="0"/>
+<param name="PrefDir.8" value="0"/>
+<param name="PrefDir.9" value="0"/>
+<param name="PrefDir.10" value="0"/>
+<param name="PrefDir.11" value="0"/>
+<param name="PrefDir.12" value="0"/>
+<param name="PrefDir.13" value="0"/>
+<param name="PrefDir.14" value="0"/>
+<param name="PrefDir.15" value="0"/>
+<param name="PrefDir.16" value="a"/>
+<param name="cfVia" value="8"/>
+<param name="cfNonPref" value="5"/>
+<param name="cfChangeDir" value="2"/>
+<param name="cfOrthStep" value="2"/>
+<param name="cfDiagStep" value="3"/>
+<param name="cfExtdStep" value="0"/>
+<param name="cfBonusStep" value="1"/>
+<param name="cfMalusStep" value="1"/>
+<param name="cfPadImpact" value="4"/>
+<param name="cfSmdImpact" value="4"/>
+<param name="cfBusImpact" value="0"/>
+<param name="cfHugging" value="3"/>
+<param name="cfAvoid" value="4"/>
+<param name="cfPolygon" value="10"/>
+<param name="cfBase.1" value="0"/>
+<param name="cfBase.2" value="1"/>
+<param name="cfBase.3" value="1"/>
+<param name="cfBase.4" value="1"/>
+<param name="cfBase.5" value="1"/>
+<param name="cfBase.6" value="1"/>
+<param name="cfBase.7" value="1"/>
+<param name="cfBase.8" value="1"/>
+<param name="cfBase.9" value="1"/>
+<param name="cfBase.10" value="1"/>
+<param name="cfBase.11" value="1"/>
+<param name="cfBase.12" value="1"/>
+<param name="cfBase.13" value="1"/>
+<param name="cfBase.14" value="1"/>
+<param name="cfBase.15" value="1"/>
+<param name="cfBase.16" value="0"/>
+<param name="mnVias" value="20"/>
+<param name="mnSegments" value="9999"/>
+<param name="mnExtdSteps" value="9999"/>
+<param name="mnRipupLevel" value="10"/>
+<param name="mnRipupSteps" value="100"/>
+<param name="mnRipupTotal" value="100"/>
+</pass>
+<pass name="Follow-me" refer="Default" active="yes">
+</pass>
+<pass name="Busses" refer="Default" active="yes">
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+<wire x1="-4.153109375" y1="3.85951875" x2="-3.3017" y2="4.710928125" width="0.4572" layer="1"/>
+</signal>
+<signal name="VIN">
+<contactref element="U$2" pad="P$1"/>
+<contactref element="U$4" pad="P$1"/>
+<contactref element="U$4" pad="P$3"/>
+<contactref element="C2" pad="1"/>
+<contactref element="U$5" pad="P$2"/>
+<wire x1="0.59546875" y1="2.447884375" x2="0.5024125" y2="2.447884375" width="0.3048" layer="1"/>
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+<wire x1="4.4739625" y1="5.916803125" x2="3.88478125" y2="5.916803125" width="0.508" layer="1"/>
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+<wire x1="6.590784375" y1="7.855578125" x2="6.042871875" y2="8.403490625" width="0.4064" layer="1"/>
+<wire x1="6.2759375" y1="8.12855625" x2="6.335765625" y2="8.12855625" width="0.381" layer="1"/>
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+<wire x1="7.491746875" y1="7.50914375" x2="8.23885625" y2="8.256253125" width="0.381" layer="1"/>
+<wire x1="8.23885625" y1="8.256253125" x2="8.23885625" y2="8.792821875" width="0.381" layer="1"/>
+<wire x1="8.23885625" y1="8.792821875" x2="7.753840625" y2="9.277840625" width="0.381" layer="1"/>
+<wire x1="6.54910625" y1="5.896890625" x2="6.54910625" y2="7.048353125" width="0.4572" layer="1"/>
+<wire x1="6.616184375" y1="7.11543125" x2="6.54910625" y2="7.048353125" width="0.4572" layer="1"/>
+<wire x1="6.616184375" y1="7.11543125" x2="6.616184375" y2="7.17015" width="0.4572" layer="1"/>
+<wire x1="6.955178125" y1="7.50914375" x2="6.335765625" y2="8.12855625" width="0.4064" layer="1"/>
+<wire x1="6.335765625" y1="8.12855625" x2="6.2759375" y2="8.12855625" width="0.4064" layer="1"/>
+<wire x1="6.955178125" y1="7.50914375" x2="6.616184375" y2="7.17015" width="0.4064" layer="1"/>
+<wire x1="6.616184375" y1="7.17015" x2="6.616184375" y2="7.11543125" width="0.4064" layer="1"/>
+</signal>
+<signal name="N$6">
+<contactref element="C1" pad="1"/>
+<contactref element="U$4" pad="P$4"/>
+<wire x1="8.636" y1="5.064" x2="8.636" y2="5.76849375" width="0.508" layer="1"/>
+<wire x1="8.636" y1="5.76849375" x2="8.12855625" y2="6.2759375" width="0.508" layer="1"/>
+</signal>
+</signals>
+</board>
+</drawing>
+<compatibility>
+<note version="8.2" severity="warning">
+Since Version 8.2, EAGLE supports online libraries. The ids
+of those online libraries will not be understood (or retained)
+with this version.
+</note>
+<note version="8.3" severity="warning">
+Since Version 8.3, EAGLE supports Fusion synchronisation.
+This feature will not be available in this version and saving
+the document will break the link to the Fusion PCB feature.
+</note>
+<note version="8.3" severity="warning">
+Since Version 8.3, EAGLE supports URNs for individual library
+assets (packages, symbols, and devices). The URNs of those assets
+will not be understood (or retained) with this version.
+</note>
+</compatibility>
+</eagle>
diff --git a/v2/loadcell-main.sch b/v2/loadcell-main.sch
new file mode 100644
index 0000000..04074fe
--- /dev/null
+++ b/v2/loadcell-main.sch
@@ -0,0 +1,1642 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE eagle SYSTEM "eagle.dtd">
+<eagle version="8.4.0">
+<drawing>
+<settings>
+<setting alwaysvectorfont="no"/>
+<setting verticaltext="up"/>
+</settings>
+<grid distance="0.1" unitdist="inch" unit="inch" style="lines" multiple="1" display="no" altdistance="0.01" altunitdist="inch" altunit="inch"/>
+<layers>
+<layer number="1" name="Top" color="4" fill="1" visible="no" active="no"/>
+<layer number="2" name="Route2" color="1" fill="3" visible="no" active="no"/>
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+<layer number="8" name="Route8" color="1" fill="2" visible="no" active="no"/>
+<layer number="9" name="Route9" color="4" fill="2" visible="no" active="no"/>
+<layer number="10" name="Route10" color="1" fill="7" visible="no" active="no"/>
+<layer number="11" name="Route11" color="4" fill="7" visible="no" active="no"/>
+<layer number="12" name="Route12" color="1" fill="5" visible="no" active="no"/>
+<layer number="13" name="Route13" color="4" fill="5" visible="no" active="no"/>
+<layer number="14" name="Route14" color="1" fill="6" visible="no" active="no"/>
+<layer number="15" name="Route15" color="4" fill="6" visible="no" active="no"/>
+<layer number="16" name="Bottom" color="1" fill="1" visible="no" active="no"/>
+<layer number="17" name="Pads" color="2" fill="1" visible="no" active="no"/>
+<layer number="18" name="Vias" color="2" fill="1" visible="no" active="no"/>
+<layer number="19" name="Unrouted" color="6" fill="1" visible="no" active="no"/>
+<layer number="20" name="Dimension" color="24" fill="1" visible="no" active="no"/>
+<layer number="21" name="tPlace" color="7" fill="1" visible="no" active="no"/>
+<layer number="22" name="bPlace" color="7" fill="1" visible="no" active="no"/>
+<layer number="23" name="tOrigins" color="15" fill="1" visible="no" active="no"/>
+<layer number="24" name="bOrigins" color="15" fill="1" visible="no" active="no"/>
+<layer number="25" name="tNames" color="7" fill="1" visible="no" active="no"/>
+<layer number="26" name="bNames" color="7" fill="1" visible="no" active="no"/>
+<layer number="27" name="tValues" color="7" fill="1" visible="no" active="no"/>
+<layer number="28" name="bValues" color="7" fill="1" visible="no" active="no"/>
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+<layer number="31" name="tCream" color="7" fill="4" visible="no" active="no"/>
+<layer number="32" name="bCream" color="7" fill="5" visible="no" active="no"/>
+<layer number="33" name="tFinish" color="6" fill="3" visible="no" active="no"/>
+<layer number="34" name="bFinish" color="6" fill="6" visible="no" active="no"/>
+<layer number="35" name="tGlue" color="7" fill="4" visible="no" active="no"/>
+<layer number="36" name="bGlue" color="7" fill="5" visible="no" active="no"/>
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+<layer number="38" name="bTest" color="7" fill="1" visible="no" active="no"/>
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+<layer number="89" name="SimProbes" color="9" fill="1" visible="yes" active="yes"/>
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+<layer number="92" name="Busses" color="1" fill="1" visible="yes" active="yes"/>
+<layer number="93" name="Pins" color="2" fill="1" visible="no" active="yes"/>
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+</layers>
+<schematic xreflabel="%F%N/%S.%C%R" xrefpart="/%S.%C%R">
+<libraries>
+<library name="sec" urn="urn:adsk.eagle:library:725670">
+<packages>
+<package name="MILLMAX-22-004-40-001101" urn="urn:adsk.eagle:footprint:725719/1" locally_modified="yes" library_version="7" library_locally_modified="yes">
+<description>Mill max smd spring pin connector, 4 pos
+
+http://www.mouser.com/ds/2/273/010-259781.pdf</description>
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+</package>
+<package name="MILLMAX-22-004-40-001101_RECV" urn="urn:adsk.eagle:footprint:725719/1" locally_modified="yes" library_version="7" library_locally_modified="yes">
+<description>Mill max smd spring pin connector, 4 pos
+
+http://www.mouser.com/ds/2/273/010-259781.pdf</description>
+<smd name="1" x="-3.81" y="0" dx="2.032" dy="2.032" layer="1" roundness="100"/>
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+<connect gate="G$1" pin="VSS@45" pad="P$1"/>
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+<connects>
+<connect gate="G$1" pin="GND" pad="4"/>
+<connect gate="G$1" pin="SCL" pad="2"/>
+<connect gate="G$1" pin="SDA" pad="1"/>
+<connect gate="G$1" pin="VCC" pad="3"/>
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+<connect gate="G$1" pin="GND" pad="4"/>
+<connect gate="G$1" pin="SCL" pad="2"/>
+<connect gate="G$1" pin="SDA" pad="1"/>
+<connect gate="G$1" pin="VCC" pad="3"/>
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+<device name="0805" package="C0805">
+<connects>
+<connect gate="G$1" pin="1" pad="1"/>
+<connect gate="G$1" pin="2" pad="2"/>
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+<technologies>
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+</device>
+<device name="" package="1206_MILL">
+<connects>
+<connect gate="G$1" pin="1" pad="1"/>
+<connect gate="G$1" pin="2" pad="2"/>
+</connects>
+<technologies>
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+</device>
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+<devices>
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+<connects>
+<connect gate="G$1" pin="GND" pad="P$2"/>
+<connect gate="G$1" pin="RX" pad="P$5"/>
+<connect gate="G$1" pin="SWDCLK" pad="P$6"/>
+<connect gate="G$1" pin="SWDIO" pad="P$4"/>
+<connect gate="G$1" pin="TX" pad="P$3"/>
+<connect gate="G$1" pin="VCC" pad="P$1"/>
+</connects>
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+<device name="" package="TACTILE_SWITCH_KMR7">
+<connects>
+<connect gate="G$1" pin="P$1" pad="P$1"/>
+<connect gate="G$1" pin="P$2" pad="P$2"/>
+<connect gate="G$1" pin="P$3" pad="P$3"/>
+<connect gate="G$1" pin="P$4" pad="P$4"/>
+</connects>
+<technologies>
+<technology name=""/>
+</technologies>
+</device>
+</devices>
+</deviceset>
+<deviceset name="LTC1844-3.3" library_version="7" library_locally_modified="yes">
+<gates>
+<gate name="G$1" symbol="LTC1844" x="0" y="2.54"/>
+</gates>
+<devices>
+<device name="" package="TSOT-23-5">
+<connects>
+<connect gate="G$1" pin="BYP" pad="P$4"/>
+<connect gate="G$1" pin="GND" pad="P$2"/>
+<connect gate="G$1" pin="NSHDN" pad="P$3"/>
+<connect gate="G$1" pin="OUT" pad="P$5"/>
+<connect gate="G$1" pin="VIN" pad="P$1"/>
+</connects>
+<technologies>
+<technology name=""/>
+</technologies>
+</device>
+</devices>
+</deviceset>
+<deviceset name="+3V3" prefix="+3V3" library_version="7" library_locally_modified="yes">
+<description>&lt;b&gt;SUPPLY SYMBOL&lt;/b&gt;</description>
+<gates>
+<gate name="G$1" symbol="+3V3" x="0" y="0"/>
+</gates>
+<devices>
+<device name="">
+<technologies>
+<technology name=""/>
+</technologies>
+</device>
+</devices>
+</deviceset>
+<deviceset name="GND" prefix="GND" library_version="7" library_locally_modified="yes">
+<description>&lt;b&gt;SUPPLY SYMBOL&lt;/b&gt;</description>
+<gates>
+<gate name="1" symbol="GND" x="0" y="0"/>
+</gates>
+<devices>
+<device name="">
+<technologies>
+<technology name=""/>
+</technologies>
+</device>
+</devices>
+</deviceset>
+<deviceset name="CAPACITOR" uservalue="yes" library_version="7" library_locally_modified="yes">
+<description>&lt;b&gt;Generic chip capacitor&lt;/b&gt;</description>
+<gates>
+<gate name="C$1" symbol="C-EU" x="0" y="0"/>
+</gates>
+<devices>
+<device name="_0201_L" package="RESC0201_L">
+<connects>
+<connect gate="C$1" pin="1" pad="1"/>
+<connect gate="C$1" pin="2" pad="2"/>
+</connects>
+<technologies>
+<technology name=""/>
+</technologies>
+</device>
+<device name="_0201_M" package="RESC0201_M">
+<connects>
+<connect gate="C$1" pin="1" pad="1"/>
+<connect gate="C$1" pin="2" pad="2"/>
+</connects>
+<technologies>
+<technology name=""/>
+</technologies>
+</device>
+<device name="_0201_N" package="RESC0201_N">
+<connects>
+<connect gate="C$1" pin="1" pad="1"/>
+<connect gate="C$1" pin="2" pad="2"/>
+</connects>
+<technologies>
+<technology name=""/>
+</technologies>
+</device>
+<device name="_0402_L" package="RESC0402_L">
+<connects>
+<connect gate="C$1" pin="1" pad="1"/>
+<connect gate="C$1" pin="2" pad="2"/>
+</connects>
+<technologies>
+<technology name=""/>
+</technologies>
+</device>
+<device name="_0402_M" package="RESC0402_M">
+<connects>
+<connect gate="C$1" pin="1" pad="1"/>
+<connect gate="C$1" pin="2" pad="2"/>
+</connects>
+<technologies>
+<technology name=""/>
+</technologies>
+</device>
+<device name="_0402_N" package="RESC0402_N">
+<connects>
+<connect gate="C$1" pin="1" pad="1"/>
+<connect gate="C$1" pin="2" pad="2"/>
+</connects>
+<technologies>
+<technology name=""/>
+</technologies>
+</device>
+<device name="_0603_L" package="RESC0603_L">
+<connects>
+<connect gate="C$1" pin="1" pad="1"/>
+<connect gate="C$1" pin="2" pad="2"/>
+</connects>
+<technologies>
+<technology name=""/>
+</technologies>
+</device>
+<device name="_0603_M" package="RESC0603_M">
+<connects>
+<connect gate="C$1" pin="1" pad="1"/>
+<connect gate="C$1" pin="2" pad="2"/>
+</connects>
+<technologies>
+<technology name=""/>
+</technologies>
+</device>
+<device name="_0603_N" package="RESC0603_N">
+<connects>
+<connect gate="C$1" pin="1" pad="1"/>
+<connect gate="C$1" pin="2" pad="2"/>
+</connects>
+<technologies>
+<technology name=""/>
+</technologies>
+</device>
+<device name="_0805_L" package="RESC0805_L">
+<connects>
+<connect gate="C$1" pin="1" pad="1"/>
+<connect gate="C$1" pin="2" pad="2"/>
+</connects>
+<technologies>
+<technology name=""/>
+</technologies>
+</device>
+<device name="_0805_M" package="RESC0805_M">
+<connects>
+<connect gate="C$1" pin="1" pad="1"/>
+<connect gate="C$1" pin="2" pad="2"/>
+</connects>
+<technologies>
+<technology name=""/>
+</technologies>
+</device>
+<device name="_0805_N" package="RESC0805_N">
+<connects>
+<connect gate="C$1" pin="1" pad="1"/>
+<connect gate="C$1" pin="2" pad="2"/>
+</connects>
+<technologies>
+<technology name=""/>
+</technologies>
+</device>
+<device name="" package="1206_MILL">
+<connects>
+<connect gate="C$1" pin="1" pad="1"/>
+<connect gate="C$1" pin="2" pad="2"/>
+</connects>
+<technologies>
+<technology name=""/>
+</technologies>
+</device>
+</devices>
+</deviceset>
+<deviceset name="JST-CONNECT-ACH-2" library_version="7" library_locally_modified="yes">
+<gates>
+<gate name="G$1" symbol="JST-CONNECT-ACH-2" x="10.16" y="2.54"/>
+</gates>
+<devices>
+<device name="" package="JST-CONNECT-ACH-2">
+<connects>
+<connect gate="G$1" pin="GND" pad="P$1"/>
+<connect gate="G$1" pin="VCC" pad="P$2"/>
+</connects>
+<technologies>
+<technology name=""/>
+</technologies>
+</device>
+</devices>
+</deviceset>
+</devicesets>
+</library>
+<library name="supply1" urn="urn:adsk.eagle:library:371">
+<description>&lt;b&gt;Supply Symbols&lt;/b&gt;&lt;p&gt;
+ GND, VCC, 0V, +5V, -5V, etc.&lt;p&gt;
+ Please keep in mind, that these devices are necessary for the
+ automatic wiring of the supply signals.&lt;p&gt;
+ The pin name defined in the symbol is identical to the net which is to be wired automatically.&lt;p&gt;
+ In this library the device names are the same as the pin names of the symbols, therefore the correct signal names appear next to the supply symbols in the schematic.&lt;p&gt;
+ &lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
+<packages>
+</packages>
+<symbols>
+<symbol name="GND" urn="urn:adsk.eagle:symbol:26925/1" library_version="1">
+<wire x1="-1.905" y1="0" x2="1.905" y2="0" width="0.254" layer="94"/>
+<text x="-2.54" y="-2.54" size="1.778" layer="96">&gt;VALUE</text>
+<pin name="GND" x="0" y="2.54" visible="off" length="short" direction="sup" rot="R270"/>
+</symbol>
+<symbol name="+3V3" urn="urn:adsk.eagle:symbol:26950/1" library_version="1">
+<wire x1="1.27" y1="-1.905" x2="0" y2="0" width="0.254" layer="94"/>
+<wire x1="0" y1="0" x2="-1.27" y2="-1.905" width="0.254" layer="94"/>
+<text x="-2.54" y="-5.08" size="1.778" layer="96" rot="R90">&gt;VALUE</text>
+<pin name="+3V3" x="0" y="-2.54" visible="off" length="short" direction="sup" rot="R90"/>
+</symbol>
+</symbols>
+<devicesets>
+<deviceset name="GND" urn="urn:adsk.eagle:component:26954/1" prefix="GND" library_version="1">
+<description>&lt;b&gt;SUPPLY SYMBOL&lt;/b&gt;</description>
+<gates>
+<gate name="1" symbol="GND" x="0" y="0"/>
+</gates>
+<devices>
+<device name="">
+<technologies>
+<technology name=""/>
+</technologies>
+</device>
+</devices>
+</deviceset>
+<deviceset name="+3V3" urn="urn:adsk.eagle:component:26981/1" prefix="+3V3" library_version="1">
+<description>&lt;b&gt;SUPPLY SYMBOL&lt;/b&gt;</description>
+<gates>
+<gate name="G$1" symbol="+3V3" x="0" y="0"/>
+</gates>
+<devices>
+<device name="">
+<technologies>
+<technology name=""/>
+</technologies>
+</device>
+</devices>
+</deviceset>
+</devicesets>
+</library>
+</libraries>
+<attributes>
+</attributes>
+<variantdefs>
+</variantdefs>
+<classes>
+<class number="0" name="default" width="0" drill="0">
+</class>
+</classes>
+<parts>
+<part name="U$1" library="sec" library_urn="urn:adsk.eagle:library:725670" deviceset="BC832" device="" value="BC832"/>
+<part name="J1" library="sec" library_urn="urn:adsk.eagle:library:725670" deviceset="TWI-MILLMAX" device="RECV"/>
+<part name="J2" library="sec" library_urn="urn:adsk.eagle:library:725670" deviceset="TWI-MILLMAX" device="RECV"/>
+<part name="J3" library="sec" library_urn="urn:adsk.eagle:library:725670" deviceset="TWI-MILLMAX" device="RECV"/>
+<part name="J4" library="sec" library_urn="urn:adsk.eagle:library:725670" deviceset="TWI-MILLMAX" device="RECV"/>
+<part name="R4" library="sec" library_urn="urn:adsk.eagle:library:725670" deviceset="RESISTOR" device="" value="2K"/>
+<part name="R3" library="sec" library_urn="urn:adsk.eagle:library:725670" deviceset="RESISTOR" device="" value="2K"/>
+<part name="R2" library="sec" library_urn="urn:adsk.eagle:library:725670" deviceset="RESISTOR" device="" value="2K"/>
+<part name="R1" library="sec" library_urn="urn:adsk.eagle:library:725670" deviceset="RESISTOR" device="" value="2K"/>
+<part name="GND1" library="supply1" library_urn="urn:adsk.eagle:library:371" deviceset="GND" device=""/>
+<part name="GND2" library="supply1" library_urn="urn:adsk.eagle:library:371" deviceset="GND" device=""/>
+<part name="GND3" library="supply1" library_urn="urn:adsk.eagle:library:371" deviceset="GND" device=""/>
+<part name="GND4" library="supply1" library_urn="urn:adsk.eagle:library:371" deviceset="GND" device=""/>
+<part name="+3V1" library="supply1" library_urn="urn:adsk.eagle:library:371" deviceset="+3V3" device=""/>
+<part name="+3V2" library="supply1" library_urn="urn:adsk.eagle:library:371" deviceset="+3V3" device=""/>
+<part name="U$2" library="sec" library_urn="urn:adsk.eagle:library:725670" deviceset="TAGCONNECT_SWD_SERIAL" device=""/>
+<part name="U$3" library="sec" library_urn="urn:adsk.eagle:library:725670" deviceset="TACTILE_SWITCH_KMR7" device=""/>
+<part name="R5" library="sec" library_urn="urn:adsk.eagle:library:725670" deviceset="RESISTOR" device="" value="10K"/>
+<part name="+3V3" library="supply1" library_urn="urn:adsk.eagle:library:371" deviceset="+3V3" device=""/>
+<part name="GND5" library="supply1" library_urn="urn:adsk.eagle:library:371" deviceset="GND" device=""/>
+<part name="GND6" library="supply1" library_urn="urn:adsk.eagle:library:371" deviceset="GND" device=""/>
+<part name="+3V4" library="supply1" library_urn="urn:adsk.eagle:library:371" deviceset="+3V3" device=""/>
+<part name="U$4" library="sec" library_urn="urn:adsk.eagle:library:725670" deviceset="LTC1844-3.3" device=""/>
+<part name="+3V5" library="sec" library_urn="urn:adsk.eagle:library:725670" deviceset="+3V3" device=""/>
+<part name="GND7" library="sec" library_urn="urn:adsk.eagle:library:725670" deviceset="GND" device=""/>
+<part name="GND8" library="sec" library_urn="urn:adsk.eagle:library:725670" deviceset="GND" device=""/>
+<part name="C2" library="sec" library_urn="urn:adsk.eagle:library:725670" deviceset="CAPACITOR" device="_0805_L" value="1uF"/>
+<part name="C1" library="sec" library_urn="urn:adsk.eagle:library:725670" deviceset="CAPACITOR" device="_0805_L" value=".1uF"/>
+<part name="C3" library="sec" library_urn="urn:adsk.eagle:library:725670" deviceset="CAPACITOR" device="_0805_L" value="1uF"/>
+<part name="U$5" library="sec" library_urn="urn:adsk.eagle:library:725670" deviceset="JST-CONNECT-ACH-2" device=""/>
+<part name="C4" library="sec" library_urn="urn:adsk.eagle:library:725670" deviceset="CAPACITOR" device=""/>
+<part name="C5" library="sec" library_urn="urn:adsk.eagle:library:725670" deviceset="CAPACITOR" device=""/>
+<part name="GND9" library="sec" library_urn="urn:adsk.eagle:library:725670" deviceset="GND" device=""/>
+<part name="GND10" library="sec" library_urn="urn:adsk.eagle:library:725670" deviceset="GND" device=""/>
+</parts>
+<sheets>
+<sheet>
+<plain>
+</plain>
+<instances>
+<instance part="U$1" gate="G$1" x="58.42" y="12.7" rot="R90"/>
+<instance part="J1" gate="G$1" x="137.16" y="-12.7" rot="R90"/>
+<instance part="J2" gate="G$1" x="137.16" y="17.78" rot="R90"/>
+<instance part="J3" gate="G$1" x="137.16" y="48.26" rot="R90"/>
+<instance part="J4" gate="G$1" x="137.16" y="78.74" rot="R90"/>
+<instance part="R4" gate="G$1" x="101.6" y="68.58" rot="R90"/>
+<instance part="R3" gate="G$1" x="88.9" y="68.58" rot="R90"/>
+<instance part="R2" gate="G$1" x="104.14" y="5.08" rot="R90"/>
+<instance part="R1" gate="G$1" x="91.44" y="5.08" rot="R90"/>
+<instance part="GND1" gate="1" x="127" y="5.08"/>
+<instance part="GND2" gate="1" x="127" y="-25.4"/>
+<instance part="GND3" gate="1" x="124.46" y="35.56"/>
+<instance part="GND4" gate="1" x="124.46" y="66.04"/>
+<instance part="+3V1" gate="G$1" x="91.44" y="20.32"/>
+<instance part="+3V2" gate="G$1" x="88.9" y="86.36"/>
+<instance part="U$2" gate="G$1" x="-25.4" y="93.98"/>
+<instance part="U$3" gate="G$1" x="27.94" y="104.14"/>
+<instance part="R5" gate="G$1" x="66.04" y="111.76" rot="R90"/>
+<instance part="+3V3" gate="G$1" x="66.04" y="127"/>
+<instance part="GND5" gate="1" x="53.34" y="86.36"/>
+<instance part="GND6" gate="1" x="-12.7" y="30.48"/>
+<instance part="+3V4" gate="G$1" x="-22.86" y="30.48"/>
+<instance part="U$4" gate="G$1" x="-38.1" y="50.8"/>
+<instance part="+3V5" gate="G$1" x="-22.86" y="63.5"/>
+<instance part="GND7" gate="1" x="-38.1" y="30.48"/>
+<instance part="GND8" gate="1" x="-2.54" y="71.12"/>
+<instance part="C2" gate="C$1" x="-15.24" y="66.04" rot="R90"/>
+<instance part="C1" gate="C$1" x="-22.86" y="43.18"/>
+<instance part="C3" gate="C$1" x="-15.24" y="55.88" rot="R90"/>
+<instance part="U$5" gate="G$1" x="-35.56" y="73.66"/>
+<instance part="C4" gate="C$1" x="-22.86" y="17.78"/>
+<instance part="C5" gate="C$1" x="-12.7" y="17.78"/>
+<instance part="GND9" gate="1" x="-22.86" y="10.16"/>
+<instance part="GND10" gate="1" x="-12.7" y="10.16"/>
+</instances>
+<busses>
+</busses>
+<nets>
+<net name="SCL2" class="0">
+<segment>
+<pinref part="J1" gate="G$1" pin="SCL"/>
+<pinref part="R2" gate="G$1" pin="1"/>
+<wire x1="129.54" y1="-2.54" x2="111.76" y2="-2.54" width="0.1524" layer="91"/>
+<wire x1="111.76" y1="-2.54" x2="104.14" y2="-2.54" width="0.1524" layer="91"/>
+<wire x1="104.14" y1="-2.54" x2="104.14" y2="0" width="0.1524" layer="91"/>
+<pinref part="J2" gate="G$1" pin="SCL"/>
+<wire x1="129.54" y1="27.94" x2="111.76" y2="27.94" width="0.1524" layer="91"/>
+<wire x1="111.76" y1="27.94" x2="111.76" y2="-2.54" width="0.1524" layer="91"/>
+<junction x="111.76" y="-2.54"/>
+<label x="111.76" y="27.94" size="1.778" layer="95"/>
+</segment>
+</net>
+<net name="SDA2" class="0">
+<segment>
+<pinref part="R1" gate="G$1" pin="1"/>
+<wire x1="91.44" y1="-7.62" x2="91.44" y2="0" width="0.1524" layer="91"/>
+<pinref part="J1" gate="G$1" pin="SDA"/>
+<wire x1="129.54" y1="-7.62" x2="121.92" y2="-7.62" width="0.1524" layer="91"/>
+<pinref part="J2" gate="G$1" pin="SDA"/>
+<wire x1="121.92" y1="-7.62" x2="91.44" y2="-7.62" width="0.1524" layer="91"/>
+<wire x1="129.54" y1="22.86" x2="121.92" y2="22.86" width="0.1524" layer="91"/>
+<wire x1="121.92" y1="22.86" x2="121.92" y2="-7.62" width="0.1524" layer="91"/>
+<junction x="121.92" y="-7.62"/>
+<label x="121.92" y="22.86" size="1.778" layer="95"/>
+</segment>
+</net>
+<net name="GND" class="0">
+<segment>
+<pinref part="J2" gate="G$1" pin="GND"/>
+<wire x1="129.54" y1="17.78" x2="127" y2="17.78" width="0.1524" layer="91"/>
+<wire x1="127" y1="17.78" x2="127" y2="7.62" width="0.1524" layer="91"/>
+<pinref part="GND1" gate="1" pin="GND"/>
+</segment>
+<segment>
+<pinref part="J1" gate="G$1" pin="GND"/>
+<wire x1="129.54" y1="-12.7" x2="127" y2="-12.7" width="0.1524" layer="91"/>
+<wire x1="127" y1="-12.7" x2="127" y2="-22.86" width="0.3048" layer="91"/>
+<pinref part="GND2" gate="1" pin="GND"/>
+</segment>
+<segment>
+<pinref part="J4" gate="G$1" pin="GND"/>
+<pinref part="GND4" gate="1" pin="GND"/>
+<wire x1="129.54" y1="78.74" x2="124.46" y2="78.74" width="0.1524" layer="91"/>
+<wire x1="124.46" y1="78.74" x2="124.46" y2="68.58" width="0.1524" layer="91"/>
+</segment>
+<segment>
+<pinref part="J3" gate="G$1" pin="GND"/>
+<pinref part="GND3" gate="1" pin="GND"/>
+<wire x1="129.54" y1="48.26" x2="124.46" y2="48.26" width="0.1524" layer="91"/>
+<wire x1="124.46" y1="48.26" x2="124.46" y2="38.1" width="0.1524" layer="91"/>
+</segment>
+<segment>
+<pinref part="U$3" gate="G$1" pin="P$2"/>
+<wire x1="48.26" y1="96.52" x2="53.34" y2="96.52" width="0.1524" layer="91"/>
+<wire x1="53.34" y1="96.52" x2="53.34" y2="88.9" width="0.1524" layer="91"/>
+<pinref part="GND5" gate="1" pin="GND"/>
+<pinref part="U$3" gate="G$1" pin="P$1"/>
+<wire x1="27.94" y1="96.52" x2="48.26" y2="96.52" width="0.1524" layer="91"/>
+<junction x="48.26" y="96.52"/>
+</segment>
+<segment>
+<pinref part="U$1" gate="G$1" pin="VSS@45"/>
+<wire x1="-12.7" y1="33.02" x2="0" y2="33.02" width="0.1524" layer="91"/>
+<pinref part="GND6" gate="1" pin="GND"/>
+<pinref part="C1" gate="C$1" pin="2"/>
+<wire x1="-22.86" y1="38.1" x2="-12.7" y2="38.1" width="0.1524" layer="91"/>
+<wire x1="-12.7" y1="38.1" x2="-12.7" y2="33.02" width="0.1524" layer="91"/>
+<junction x="-12.7" y="33.02"/>
+</segment>
+<segment>
+<pinref part="GND7" gate="1" pin="GND"/>
+<pinref part="U$4" gate="G$1" pin="GND"/>
+<wire x1="-38.1" y1="33.02" x2="-38.1" y2="45.72" width="0.1524" layer="91"/>
+</segment>
+<segment>
+<pinref part="GND8" gate="1" pin="GND"/>
+<wire x1="-10.16" y1="76.2" x2="-2.54" y2="76.2" width="0.1524" layer="91"/>
+<wire x1="-2.54" y1="76.2" x2="-2.54" y2="73.66" width="0.1524" layer="91"/>
+<pinref part="C2" gate="C$1" pin="2"/>
+<wire x1="-10.16" y1="66.04" x2="-10.16" y2="73.66" width="0.1524" layer="91"/>
+<pinref part="C3" gate="C$1" pin="2"/>
+<wire x1="-10.16" y1="73.66" x2="-10.16" y2="76.2" width="0.1524" layer="91"/>
+<wire x1="-10.16" y1="55.88" x2="-10.16" y2="66.04" width="0.1524" layer="91"/>
+<junction x="-10.16" y="66.04"/>
+<wire x1="-10.16" y1="76.2" x2="-10.16" y2="96.52" width="0.1524" layer="91"/>
+<junction x="-10.16" y="76.2"/>
+<pinref part="U$2" gate="G$1" pin="GND"/>
+<wire x1="-10.16" y1="96.52" x2="-20.32" y2="96.52" width="0.1524" layer="91"/>
+<pinref part="U$5" gate="G$1" pin="GND"/>
+<wire x1="-33.02" y1="73.66" x2="-10.16" y2="73.66" width="0.1524" layer="91"/>
+<junction x="-10.16" y="73.66"/>
+</segment>
+<segment>
+<pinref part="C4" gate="C$1" pin="2"/>
+<pinref part="GND9" gate="1" pin="GND"/>
+</segment>
+<segment>
+<pinref part="C5" gate="C$1" pin="2"/>
+<pinref part="GND10" gate="1" pin="GND"/>
+</segment>
+</net>
+<net name="+3V3" class="0">
+<segment>
+<pinref part="R2" gate="G$1" pin="2"/>
+<wire x1="104.14" y1="10.16" x2="104.14" y2="12.7" width="0.1524" layer="91"/>
+<wire x1="104.14" y1="12.7" x2="91.44" y2="12.7" width="0.1524" layer="91"/>
+<pinref part="R1" gate="G$1" pin="2"/>
+<wire x1="91.44" y1="12.7" x2="91.44" y2="10.16" width="0.1524" layer="91"/>
+<pinref part="J2" gate="G$1" pin="VCC"/>
+<wire x1="129.54" y1="12.7" x2="116.84" y2="12.7" width="0.1524" layer="91"/>
+<junction x="104.14" y="12.7"/>
+<wire x1="116.84" y1="12.7" x2="104.14" y2="12.7" width="0.1524" layer="91"/>
+<wire x1="91.44" y1="12.7" x2="91.44" y2="17.78" width="0.1524" layer="91"/>
+<junction x="91.44" y="12.7"/>
+<pinref part="J1" gate="G$1" pin="VCC"/>
+<wire x1="129.54" y1="-17.78" x2="116.84" y2="-17.78" width="0.1524" layer="91"/>
+<wire x1="116.84" y1="-17.78" x2="116.84" y2="12.7" width="0.1524" layer="91"/>
+<junction x="116.84" y="12.7"/>
+<pinref part="+3V1" gate="G$1" pin="+3V3"/>
+</segment>
+<segment>
+<pinref part="J4" gate="G$1" pin="VCC"/>
+<pinref part="R4" gate="G$1" pin="2"/>
+<wire x1="129.54" y1="73.66" x2="114.3" y2="73.66" width="0.1524" layer="91"/>
+<pinref part="R3" gate="G$1" pin="2"/>
+<wire x1="114.3" y1="73.66" x2="101.6" y2="73.66" width="0.1524" layer="91"/>
+<wire x1="88.9" y1="73.66" x2="101.6" y2="73.66" width="0.1524" layer="91"/>
+<junction x="101.6" y="73.66"/>
+<pinref part="+3V2" gate="G$1" pin="+3V3"/>
+<wire x1="88.9" y1="73.66" x2="88.9" y2="83.82" width="0.1524" layer="91"/>
+<junction x="88.9" y="73.66"/>
+<pinref part="J3" gate="G$1" pin="VCC"/>
+<wire x1="129.54" y1="43.18" x2="114.3" y2="43.18" width="0.1524" layer="91"/>
+<wire x1="114.3" y1="43.18" x2="114.3" y2="73.66" width="0.1524" layer="91"/>
+<junction x="114.3" y="73.66"/>
+</segment>
+<segment>
+<pinref part="R5" gate="G$1" pin="2"/>
+<pinref part="+3V3" gate="G$1" pin="+3V3"/>
+<wire x1="66.04" y1="116.84" x2="66.04" y2="124.46" width="0.1524" layer="91"/>
+</segment>
+<segment>
+<pinref part="U$1" gate="G$1" pin="VDD@48"/>
+<wire x1="-22.86" y1="25.4" x2="-12.7" y2="25.4" width="0.1524" layer="91"/>
+<pinref part="+3V4" gate="G$1" pin="+3V3"/>
+<wire x1="-12.7" y1="25.4" x2="0" y2="25.4" width="0.1524" layer="91"/>
+<wire x1="-22.86" y1="25.4" x2="-22.86" y2="27.94" width="0.1524" layer="91"/>
+<pinref part="C4" gate="C$1" pin="1"/>
+<wire x1="-22.86" y1="20.32" x2="-22.86" y2="25.4" width="0.1524" layer="91"/>
+<junction x="-22.86" y="25.4"/>
+<pinref part="C5" gate="C$1" pin="1"/>
+<wire x1="-12.7" y1="20.32" x2="-12.7" y2="25.4" width="0.1524" layer="91"/>
+<junction x="-12.7" y="25.4"/>
+</segment>
+<segment>
+<pinref part="U$4" gate="G$1" pin="OUT"/>
+<wire x1="-30.48" y1="55.88" x2="-22.86" y2="55.88" width="0.1524" layer="91"/>
+<pinref part="+3V5" gate="G$1" pin="+3V3"/>
+<wire x1="-22.86" y1="55.88" x2="-22.86" y2="60.96" width="0.1524" layer="91"/>
+<pinref part="C3" gate="C$1" pin="1"/>
+<wire x1="-22.86" y1="55.88" x2="-17.78" y2="55.88" width="0.1524" layer="91"/>
+<junction x="-22.86" y="55.88"/>
+</segment>
+</net>
+<net name="SDA1" class="0">
+<segment>
+<pinref part="J3" gate="G$1" pin="SDA"/>
+<pinref part="R3" gate="G$1" pin="1"/>
+<wire x1="129.54" y1="53.34" x2="119.38" y2="53.34" width="0.1524" layer="91"/>
+<wire x1="119.38" y1="53.34" x2="88.9" y2="53.34" width="0.1524" layer="91"/>
+<wire x1="88.9" y1="53.34" x2="88.9" y2="63.5" width="0.1524" layer="91"/>
+<pinref part="J4" gate="G$1" pin="SDA"/>
+<wire x1="129.54" y1="83.82" x2="119.38" y2="83.82" width="0.1524" layer="91"/>
+<wire x1="119.38" y1="83.82" x2="119.38" y2="53.34" width="0.1524" layer="91"/>
+<junction x="119.38" y="53.34"/>
+<label x="119.38" y="83.82" size="1.778" layer="95"/>
+</segment>
+<segment>
+<pinref part="U$1" gate="G$1" pin="P0.26@38"/>
+<wire x1="0" y1="50.8" x2="-5.08" y2="50.8" width="0.1524" layer="91"/>
+<label x="-10.16" y="50.8" size="1.778" layer="95"/>
+</segment>
+</net>
+<net name="SCL1" class="0">
+<segment>
+<pinref part="J4" gate="G$1" pin="SCL"/>
+<wire x1="129.54" y1="88.9" x2="109.22" y2="88.9" width="0.1524" layer="91"/>
+<pinref part="J3" gate="G$1" pin="SCL"/>
+<pinref part="R4" gate="G$1" pin="1"/>
+<wire x1="129.54" y1="58.42" x2="109.22" y2="58.42" width="0.1524" layer="91"/>
+<wire x1="109.22" y1="58.42" x2="101.6" y2="58.42" width="0.1524" layer="91"/>
+<wire x1="101.6" y1="58.42" x2="101.6" y2="63.5" width="0.1524" layer="91"/>
+<wire x1="109.22" y1="88.9" x2="109.22" y2="58.42" width="0.1524" layer="91"/>
+<junction x="109.22" y="58.42"/>
+<label x="109.22" y="88.9" size="1.778" layer="95"/>
+</segment>
+<segment>
+<pinref part="U$1" gate="G$1" pin="P0.27@39"/>
+<wire x1="0" y1="48.26" x2="-5.08" y2="48.26" width="0.1524" layer="91"/>
+<label x="-10.16" y="48.26" size="1.778" layer="95"/>
+</segment>
+</net>
+<net name="N$1" class="0">
+<segment>
+<pinref part="U$1" gate="G$1" pin="SWDIO@26"/>
+<wire x1="43.18" y1="88.9" x2="43.18" y2="71.12" width="0.1524" layer="91"/>
+<pinref part="U$2" gate="G$1" pin="SWDIO"/>
+<wire x1="-20.32" y1="106.68" x2="0" y2="106.68" width="0.1524" layer="91"/>
+<wire x1="0" y1="106.68" x2="0" y2="88.9" width="0.1524" layer="91"/>
+<wire x1="0" y1="88.9" x2="43.18" y2="88.9" width="0.1524" layer="91"/>
+</segment>
+</net>
+<net name="N$2" class="0">
+<segment>
+<pinref part="U$1" gate="G$1" pin="SWDCLK@25"/>
+<wire x1="45.72" y1="71.12" x2="45.72" y2="81.28" width="0.1524" layer="91"/>
+<pinref part="U$2" gate="G$1" pin="SWDCLK"/>
+<wire x1="-20.32" y1="101.6" x2="-5.08" y2="101.6" width="0.1524" layer="91"/>
+<wire x1="-5.08" y1="101.6" x2="-5.08" y2="81.28" width="0.1524" layer="91"/>
+<wire x1="-5.08" y1="81.28" x2="45.72" y2="81.28" width="0.1524" layer="91"/>
+</segment>
+</net>
+<net name="RX" class="0">
+<segment>
+<pinref part="U$2" gate="G$1" pin="RX"/>
+<wire x1="-20.32" y1="116.84" x2="-7.62" y2="116.84" width="0.1524" layer="91"/>
+<label x="-7.62" y="116.84" size="1.778" layer="95"/>
+</segment>
+<segment>
+<pinref part="U$1" gate="G$1" pin="P0.06@08"/>
+<wire x1="35.56" y1="7.62" x2="35.56" y2="-2.54" width="0.1524" layer="91"/>
+<label x="35.56" y="-2.54" size="1.778" layer="95"/>
+</segment>
+</net>
+<net name="TX" class="0">
+<segment>
+<pinref part="U$2" gate="G$1" pin="TX"/>
+<wire x1="-20.32" y1="111.76" x2="-7.62" y2="111.76" width="0.1524" layer="91"/>
+<label x="-7.62" y="111.76" size="1.778" layer="95"/>
+</segment>
+<segment>
+<pinref part="U$1" gate="G$1" pin="P0.08@10"/>
+<wire x1="40.64" y1="7.62" x2="40.64" y2="-2.54" width="0.1524" layer="91"/>
+<label x="40.64" y="-2.54" size="1.778" layer="95"/>
+</segment>
+</net>
+<net name="N$5" class="0">
+<segment>
+<pinref part="U$1" gate="G$1" pin="P0.21/RESET@24"/>
+<wire x1="63.5" y1="53.34" x2="66.04" y2="53.34" width="0.1524" layer="91"/>
+<wire x1="66.04" y1="53.34" x2="66.04" y2="104.14" width="0.1524" layer="91"/>
+<pinref part="U$3" gate="G$1" pin="P$4"/>
+<wire x1="66.04" y1="104.14" x2="48.26" y2="104.14" width="0.1524" layer="91"/>
+<wire x1="66.04" y1="104.14" x2="66.04" y2="106.68" width="0.1524" layer="91"/>
+<junction x="66.04" y="104.14"/>
+<pinref part="R5" gate="G$1" pin="1"/>
+<pinref part="U$3" gate="G$1" pin="P$3"/>
+<wire x1="27.94" y1="104.14" x2="48.26" y2="104.14" width="0.1524" layer="91"/>
+<junction x="48.26" y="104.14"/>
+</segment>
+</net>
+<net name="VIN" class="0">
+<segment>
+<pinref part="U$2" gate="G$1" pin="VCC"/>
+<wire x1="-17.78" y1="66.04" x2="-20.32" y2="66.04" width="0.1524" layer="91"/>
+<pinref part="U$4" gate="G$1" pin="VIN"/>
+<wire x1="-20.32" y1="66.04" x2="-53.34" y2="66.04" width="0.1524" layer="91"/>
+<wire x1="-53.34" y1="66.04" x2="-53.34" y2="55.88" width="0.1524" layer="91"/>
+<wire x1="-53.34" y1="55.88" x2="-45.72" y2="55.88" width="0.1524" layer="91"/>
+<pinref part="U$4" gate="G$1" pin="NSHDN"/>
+<wire x1="-45.72" y1="48.26" x2="-53.34" y2="48.26" width="0.1524" layer="91"/>
+<wire x1="-53.34" y1="48.26" x2="-53.34" y2="55.88" width="0.1524" layer="91"/>
+<junction x="-53.34" y="55.88"/>
+<pinref part="C2" gate="C$1" pin="1"/>
+<label x="-53.34" y="66.04" size="1.778" layer="95"/>
+<wire x1="-20.32" y1="91.44" x2="-20.32" y2="81.28" width="0.1524" layer="91"/>
+<junction x="-20.32" y="66.04"/>
+<pinref part="U$5" gate="G$1" pin="VCC"/>
+<wire x1="-20.32" y1="81.28" x2="-20.32" y2="66.04" width="0.1524" layer="91"/>
+<wire x1="-33.02" y1="81.28" x2="-20.32" y2="81.28" width="0.1524" layer="91"/>
+<junction x="-20.32" y="81.28"/>
+</segment>
+</net>
+<net name="N$6" class="0">
+<segment>
+<pinref part="C1" gate="C$1" pin="1"/>
+<wire x1="-22.86" y1="45.72" x2="-22.86" y2="48.26" width="0.1524" layer="91"/>
+<pinref part="U$4" gate="G$1" pin="BYP"/>
+<wire x1="-22.86" y1="48.26" x2="-30.48" y2="48.26" width="0.1524" layer="91"/>
+</segment>
+</net>
+</nets>
+</sheet>
+</sheets>
+</schematic>
+</drawing>
+<compatibility>
+<note version="8.2" severity="warning">
+Since Version 8.2, EAGLE supports online libraries. The ids
+of those online libraries will not be understood (or retained)
+with this version.
+</note>
+<note version="8.3" severity="warning">
+Since Version 8.3, EAGLE supports URNs for individual library
+assets (packages, symbols, and devices). The URNs of those assets
+will not be understood (or retained) with this version.
+</note>
+<note version="8.3" severity="warning">
+Since Version 8.3, EAGLE supports the association of 3D packages
+with devices in libraries, schematics, and board files. Those 3D
+packages will not be understood (or retained) with this version.
+</note>
+</compatibility>
+</eagle>
-- 
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