<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="9.6.1">
<drawing>
<board>
<plain>
<wire x1="0" y1="0" x2="48.26" y2="0" width="0" layer="20"/>
<wire x1="48.26" y1="0" x2="48.26" y2="40.64" width="0" layer="20"/>
<wire x1="48.26" y1="40.64" x2="0" y2="40.64" width="0" layer="20"/>
<wire x1="0" y1="40.64" x2="0" y2="0" width="0" layer="20"/>
<text>Impedance
Circuit V1.1</text>
</plain>
<libraries>
<library name="SparkFun-Capacitors">
<description>&lt;h3&gt;SparkFun Capacitors&lt;/h3&gt;
This library contains capacitors. 
&lt;br&gt;
&lt;br&gt;
We've spent an enormous amount of time creating and checking these footprints and parts, but it is &lt;b&gt; the end user's responsibility&lt;/b&gt; to ensure correctness and suitablity for a given componet or application. 
&lt;br&gt;
&lt;br&gt;If you enjoy using this library, please buy one of our products at &lt;a href=" www.sparkfun.com"&gt;SparkFun.com&lt;/a&gt;.
&lt;br&gt;
&lt;br&gt;
&lt;b&gt;Licensing:&lt;/b&gt; Creative Commons ShareAlike 4.0 International - https://creativecommons.org/licenses/by-sa/4.0/ 
&lt;br&gt;
&lt;br&gt;
You are welcome to use this library for commercial purposes. For attribution, we ask that when you begin to sell your device using our footprint, you email us with a link to the product being sold. We want bragging rights that we helped (in a very small part) to create your 8th world wonder. We would like the opportunity to feature your device on our homepage.</description>
<packages>
<package name="0603">
<description>&lt;p&gt;&lt;b&gt;Generic 1608 (0603) package&lt;/b&gt;&lt;/p&gt;
&lt;p&gt;0.2mm courtyard excess rounded to nearest 0.05mm.&lt;/p&gt;</description>
</package>
</packages>
</library>
<library name="linear">
<description>&lt;b&gt;Linear Devices&lt;/b&gt;&lt;p&gt;
Operational amplifiers,  comparators, voltage regulators, ADCs, DACs, etc.&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="TO252">
<description>&lt;b&gt;SMALL OUTLINE TRANSISTOR&lt;/b&gt;&lt;p&gt;
TS-003</description>
</package>
</packages>
</library>
<library name="SparkFun-Connectors">
<description>&lt;h3&gt;SparkFun Connectors&lt;/h3&gt;
This library contains electrically-functional connectors. 
&lt;br&gt;
&lt;br&gt;
We've spent an enormous amount of time creating and checking these footprints and parts, but it is &lt;b&gt; the end user's responsibility&lt;/b&gt; to ensure correctness and suitablity for a given componet or application. 
&lt;br&gt;
&lt;br&gt;If you enjoy using this library, please buy one of our products at &lt;a href=" www.sparkfun.com"&gt;SparkFun.com&lt;/a&gt;.
&lt;br&gt;
&lt;br&gt;
&lt;b&gt;Licensing:&lt;/b&gt; Creative Commons ShareAlike 4.0 International - https://creativecommons.org/licenses/by-sa/4.0/ 
&lt;br&gt;
&lt;br&gt;
You are welcome to use this library for commercial purposes. For attribution, we ask that when you begin to sell your device using our footprint, you email us with a link to the product being sold. We want bragging rights that we helped (in a very small part) to create your 8th world wonder. We would like the opportunity to feature your device on our homepage.</description>
<packages>
<package name="BANANA_CONN">
<description>&lt;h3&gt;Banana Plug PTH&lt;/h3&gt;
0.2" diameter pad, 0.1" hole. 
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count: 1&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;
&lt;p&gt;Example device(s):
&lt;ul&gt;&lt;li&gt;BANANA_CONN&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</description>
</package>
<package name="PIC_ICSP_MINI_5_PIN">
<description>&lt;h3&gt;Mini ICSP Connector - 5 Pin&lt;/h3&gt;
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count:5&lt;/li&gt;
&lt;li&gt;Pin pitch: 1.5mm&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;
&lt;p&gt;&lt;a href=”http://www.jst-mfg.com/product/pdf/eng/eZH.pdf”&gt;Datasheet referenced for footprint&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;Example device(s):
&lt;ul&gt;&lt;li&gt;PIC_ICSP_MINI_5_PIN&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</description>
</package>
</packages>
</library>
<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-LED0805">
<description>&lt;b&gt;Hyper CHIPLED Hyper-Bright LED&lt;/b&gt;&lt;p&gt;
LB R99A&lt;br&gt;
Source: http://www.osram.convergy.de/ ... lb_r99a.pdf</description>
</package>
</packages>
</library>
<library name="SparkFun-Resistors">
<description>&lt;h3&gt;SparkFun Resistors&lt;/h3&gt;
This library contains resistors. Reference designator:R. 
&lt;br&gt;
&lt;br&gt;
We've spent an enormous amount of time creating and checking these footprints and parts, but it is &lt;b&gt; the end user's responsibility&lt;/b&gt; to ensure correctness and suitablity for a given componet or application. 
&lt;br&gt;
&lt;br&gt;If you enjoy using this library, please buy one of our products at &lt;a href=" www.sparkfun.com"&gt;SparkFun.com&lt;/a&gt;.
&lt;br&gt;
&lt;br&gt;
&lt;b&gt;Licensing:&lt;/b&gt; Creative Commons ShareAlike 4.0 International - https://creativecommons.org/licenses/by-sa/4.0/ 
&lt;br&gt;
&lt;br&gt;
You are welcome to use this library for commercial purposes. For attribution, we ask that when you begin to sell your device using our footprint, you email us with a link to the product being sold. We want bragging rights that we helped (in a very small part) to create your 8th world wonder. We would like the opportunity to feature your device on our homepage.</description>
<packages>
<package name="0603">
<description>&lt;p&gt;&lt;b&gt;Generic 1608 (0603) package&lt;/b&gt;&lt;/p&gt;
&lt;p&gt;0.2mm courtyard excess rounded to nearest 0.05mm.&lt;/p&gt;</description>
</package>
</packages>
</library>
<library name="my_design">
<packages>
<package name="SOIC14_SL">
</package>
<package name="SSOP5">
</package>
<package name="FS5700">
</package>
</packages>
</library>
<library name="1N4148WT">
<packages>
<package name="SODFL1608X70N">
</package>
</packages>
</library>
<library name="battery">
<description>&lt;b&gt;Lithium Batteries and NC Accus&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="10MM_SM_COIN_CELL_CLIP">
<description>Battery cell clip for CR927&lt;p&gt;
Source: KEYSTONE ELECTRONICS CORP.&lt;br&gt;
www.keyelco.com, ASTORIA, N.Y. 11105-2017&lt;br&gt;
PART ANME 10mm SM COIN CELl CLIP&lt;br&gt;
DWG NO. 3030</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="C1" library="SparkFun-Capacitors" package="0603" value="0.01uF">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="CAP-08604"/>
<attribute name="VALUE"/>
</element>
<element name="C2" library="SparkFun-Capacitors" package="0603" value="0.33uF">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="CAP-08604"/>
<attribute name="VALUE"/>
</element>
<element name="C3" library="SparkFun-Capacitors" package="0603" value="0.1uF">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="CAP-08604"/>
<attribute name="VALUE"/>
</element>
<element name="IC1" library="linear" package="TO252" value="7806DT">
<attribute name="NAME"/>
<attribute name="POPULARITY" value="18"/>
</element>
<element name="J1" library="SparkFun-Connectors" package="BANANA_CONN" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="J2" library="SparkFun-Connectors" package="PIC_ICSP_MINI_5_PIN" value="PIC_ICSP_MINI_5_PIN">
<attribute name="PROD_ID" value="CONN-08314"/>
<attribute name="SF_ID" value="PRT-11264"/>
</element>
<element name="J3" library="SparkFun-Connectors" package="BANANA_CONN" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="IMPEDANCE" library="led" package="CHIP-LED0805" value="">
<attribute name="NAME"/>
<attribute name="POPULARITY" value="68"/>
<attribute name="VALUE"/>
</element>
<element name="PRESSURE" library="led" package="CHIP-LED0805" value="">
<attribute name="NAME"/>
<attribute name="POPULARITY" value="68"/>
<attribute name="VALUE"/>
</element>
<element name="LED5" library="led" package="CHIP-LED0805" value="">
<attribute name="NAME"/>
<attribute name="POPULARITY" value="68"/>
<attribute name="VALUE"/>
</element>
<element name="R1" library="SparkFun-Resistors" package="0603" value="30.1k">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="RES-08595"/>
<attribute name="VALUE"/>
</element>
<element name="R11" library="SparkFun-Resistors" package="0603" value="70">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="RES-09568"/>
<attribute name="VALUE"/>
</element>
<element name="R2" library="SparkFun-Resistors" package="0603" value="1.25K">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="RES-09568"/>
<attribute name="VALUE"/>
</element>
<element name="R7" library="SparkFun-Resistors" package="0603" value="10k">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="RES-00824"/>
<attribute name="VALUE"/>
</element>
<element name="R8" library="SparkFun-Resistors" package="0603" value="150">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="RES-09568"/>
<attribute name="VALUE"/>
</element>
<element name="R9" library="SparkFun-Resistors" package="0603" value="150">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="RES-09568"/>
<attribute name="VALUE"/>
</element>
<element name="RS" library="SparkFun-Resistors" package="0603" value="330K">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="RES-08969"/>
<attribute name="VALUE"/>
</element>
<element name="U1" library="my_design" package="SOIC14_SL" value="PIC16F1455T-I/SL">
<attribute name="BUILT_BY" value="EMA_Jessica"/>
<attribute name="COPYRIGHT" value="Copyright (C) 2018 Accelerated Designs. All rights reserved"/>
<attribute name="MANUFACTURER_PART_NUMBER" value="PIC16F1455T-I/SL"/>
<attribute name="VENDOR" value="Microchip"/>
</element>
<element name="U2" library="my_design" package="SSOP5" value="BU7411SG-TR">
<attribute name="BUILT_BY" value="EMA_Molly"/>
<attribute name="COPYRIGHT" value="Copyright (C) 2018 Accelerated Designs. All rights reserved"/>
<attribute name="MANUFACTURER_PART_NUMBER" value="BU7411SG-TR"/>
<attribute name="VENDOR" value="ROHM Semiconductor"/>
</element>
<element name="D1" library="1N4148WT" package="SODFL1608X70N" value="1N4148WT">
<attribute name="DESCRIPTION" value=" Diode Standard 75V 200mA Surface Mount SOD-523F "/>
<attribute name="DIGI-KEY_PART_NUMBER" value="1N4148WTCT-ND"/>
<attribute name="MF" value="ON Semiconductor"/>
<attribute name="MP" value="1N4148WT"/>
<attribute name="NAME"/>
<attribute name="PACKAGE" value="SOD-523F ON Semiconductor"/>
<attribute name="VALUE"/>
</element>
<element name="G1" library="battery" package="10MM_SM_COIN_CELL_CLIP" value="10MM_SM_COIN_CELL_CLIP">
<attribute name="NAME"/>
<attribute name="POPULARITY" value="0"/>
<attribute name="VALUE"/>
</element>
<element name="U$1" library="my_design" package="FS5700" value="">
<attribute name="NAME"/>
</element>
</elements>
<signals>
<signal name="VUSB3V3">
<contactref element="U1" pad="11"/>
</signal>
<signal name="N$1">
<contactref element="C1" pad="2"/>
<contactref element="R1" pad="1"/>
<contactref element="R2" pad="1"/>
<contactref element="U2" pad="3"/>
</signal>
<signal name="IMPEDANCEMEASEURE">
<contactref element="RS" pad="1"/>
<contactref element="U2" pad="1"/>
<contactref element="U$1" pad="P$5"/>
</signal>
<signal name="VCC">
<contactref element="IC1" pad="2"/>
<contactref element="C3" pad="2"/>
<contactref element="U1" pad="1"/>
<contactref element="R7" pad="1"/>
<contactref element="J2" pad="2"/>
<contactref element="U2" pad="5"/>
</signal>
<signal name="ADC">
<contactref element="R1" pad="2"/>
<contactref element="C1" pad="1"/>
<contactref element="U1" pad="3"/>
<contactref element="U2" pad="4"/>
</signal>
<signal name="GND">
<contactref element="R2" pad="2"/>
<contactref element="IC1" pad="3"/>
<contactref element="C2" pad="1"/>
<contactref element="C3" pad="1"/>
<contactref element="LED5" pad="C"/>
<contactref element="U1" pad="14"/>
<contactref element="IMPEDANCE" pad="C"/>
<contactref element="PRESSURE" pad="C"/>
<contactref element="J2" pad="3"/>
<contactref element="U2" pad="2"/>
<contactref element="G1" pad="-"/>
<contactref element="U$1" pad="P$9"/>
</signal>
<signal name="VIN">
<contactref element="U1" pad="13"/>
<contactref element="RS" pad="2"/>
</signal>
<signal name="VMAIN">
<contactref element="IC1" pad="1"/>
<contactref element="C2" pad="2"/>
<contactref element="R8" pad="1"/>
<contactref element="U$1" pad="P$2"/>
</signal>
<signal name="PRESSURE_I/P">
<contactref element="U1" pad="2"/>
</signal>
<signal name="N$6">
<contactref element="J2" pad="1"/>
<contactref element="U1" pad="4"/>
<contactref element="D1" pad="C"/>
</signal>
<signal name="N$8">
<contactref element="J2" pad="5"/>
<contactref element="U1" pad="9"/>
</signal>
<signal name="N$9">
<contactref element="J2" pad="4"/>
<contactref element="U1" pad="10"/>
</signal>
<signal name="BATTERYCONNECTION">
<contactref element="G1" pad="+@1"/>
<contactref element="G1" pad="+@2"/>
<contactref element="U$1" pad="P$4"/>
</signal>
<signal name="N$14">
<contactref element="R8" pad="2"/>
<contactref element="LED5" pad="A"/>
</signal>
<signal name="ELECTRODECONNECTIONS">
<contactref element="J1" pad="P$1"/>
<contactref element="U$1" pad="P$1"/>
</signal>
<signal name="N$13">
<contactref element="R9" pad="2"/>
<contactref element="PRESSURE" pad="A"/>
</signal>
<signal name="N$16">
<contactref element="R11" pad="2"/>
<contactref element="IMPEDANCE" pad="A"/>
</signal>
<signal name="N$18">
<contactref element="R11" pad="1"/>
<contactref element="U1" pad="6"/>
</signal>
<signal name="N$19">
<contactref element="R9" pad="1"/>
<contactref element="U1" pad="5"/>
</signal>
<signal name="ELECTRODEGNDCONNECTION">
<contactref element="J3" pad="P$1"/>
<contactref element="U$1" pad="P$3"/>
</signal>
<signal name="GND2">
</signal>
<signal name="N$2">
<contactref element="R7" pad="2"/>
<contactref element="D1" pad="A"/>
</signal>
<signal name="EXTERNALRECORDINGCIRCUIT1">
<contactref element="U$1" pad="P$8"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
