<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="9.7.0">
<drawing>
<board>
<plain>
<wire x1="0" y1="0" x2="25.38" y2="0" width="0" layer="20"/>
<wire x1="25.38" y1="0" x2="25.38" y2="25.07" width="0" layer="20"/>
<wire x1="25.38" y1="25.07" x2="0" y2="25.07" width="0" layer="20"/>
<wire x1="0" y1="25.07" x2="0" y2="0" width="0" layer="20"/>
<hole x="22.7765" y="22.4665" drill="3.175"/>
<hole x="2.6035" y="22.4665" drill="3.175"/>
<hole x="2.6035" y="2.6035" drill="3.175"/>
<hole x="22.7765" y="2.6035" drill="3.175"/>
<text>gnd
</text>
<text>+12V</text>
<text>-12V</text>
<text>gnd</text>
<text>JP1 </text>
<text>gnd</text>
<text>Vo1</text>
<text>Vo2</text>
<text>B0</text>
<text>B1</text>
<text>B2</text>
<text>B3</text>
<text>pin 1</text>
<text>Shubh Goel
4-Bit DAC </text>
<text>C:/Users/shubh/Downloads/terrified-pingu-noot-noot-meme-template-full-935d5ad1.bmp</text>
</plain>
<libraries>
<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="SO08">
<description>&lt;b&gt;Small Outline Package 8&lt;/b&gt;&lt;br&gt;
NS Package M08A</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="AUDIO_JACK_3.5MM_TRRS_SMD_RA">
<description>&lt;h3&gt;TRRS 3.5MM Right Angle Stereo Jack - SMT&lt;/h3&gt;
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count: 4&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;
&lt;p&gt;&lt;a href=”http://cdn.sparkfun.com/datasheets/Prototyping/20153.pdf”&gt;Datasheet referenced for footprint&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;Example device(s):
&lt;ul&gt;&lt;li&gt;AUDIO_JACK_TRRS&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</description>
</package>
</packages>
</library>
<library name="Connector">
<description>&lt;b&gt;Pin Headers,Terminal blocks-D-Sub-Backplane-FFC/FPC-Socket</description>
<packages>
<package name="1X05">
<description>Pin Header</description>
</package>
<package name="1X03">
<description>Pin Header</description>
</package>
<package name="1X04">
<description>Pin Header</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="1206">
<description>&lt;p&gt;&lt;b&gt;Generic 3216 (1206) 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>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="IC1" library="linear" package="SO08" value="LM1458D">
<attribute name="NAME"/>
<attribute name="POPULARITY" value="1"/>
</element>
<element name="J1" library="SparkFun-Connectors" package="AUDIO_JACK_3.5MM_TRRS_SMD_RA" value="AUDIO_JACK_TRRSSMD_RA">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="CONN-10676"/>
<attribute name="SF_ID" value="PRT-12639"/>
<attribute name="VALUE"/>
</element>
<element name="JP1" library="Connector" package="1X05" value="PINHD-1X5">
<attribute name="CATEGORY" value="Connectors"/>
<attribute name="DATASHEET" value=""/>
<attribute name="DESCRIPTION" value="Header-Straight-5 Position"/>
<attribute name="MANUFACTURER" value=""/>
<attribute name="MPN" value=""/>
<attribute name="OPERATING_TEMPERATURE" value=""/>
<attribute name="PACKAGE_SIZE" value=""/>
<attribute name="PACKAGE_TYPE" value="Through Hole"/>
<attribute name="PART_STATUS" value=""/>
<attribute name="PITCH" value="0.100&quot; (2.54mm)"/>
<attribute name="ROHS" value=""/>
<attribute name="SERIES" value=""/>
<attribute name="SUBCATEGORY" value="Headers"/>
<attribute name="THERMALLOSS" value=""/>
<attribute name="TYPE" value="Male Pins"/>
</element>
<element name="JP2" library="Connector" package="1X03" value="PINHD-1X3">
<attribute name="CATEGORY" value="Connectors"/>
<attribute name="DATASHEET" value=""/>
<attribute name="DESCRIPTION" value="Header-Straight-3 Position"/>
<attribute name="MANUFACTURER" value=""/>
<attribute name="MPN" value=""/>
<attribute name="NAME"/>
<attribute name="OPERATING_TEMPERATURE" value=""/>
<attribute name="PACKAGE_SIZE" value=""/>
<attribute name="PACKAGE_TYPE" value="Through Hole"/>
<attribute name="PART_STATUS" value=""/>
<attribute name="PITCH" value="0.100&quot; (2.54mm)"/>
<attribute name="ROHS" value=""/>
<attribute name="SERIES" value=""/>
<attribute name="SUBCATEGORY" value="Headers"/>
<attribute name="THERMALLOSS" value=""/>
<attribute name="TYPE" value="Male Pins"/>
</element>
<element name="R1" library="SparkFun-Resistors" package="1206" value=" ">
<attribute name="NAME"/>
<attribute name="PROD_ID" value=" "/>
<attribute name="VALUE"/>
</element>
<element name="R2" library="SparkFun-Resistors" package="1206" value=" ">
<attribute name="NAME"/>
<attribute name="PROD_ID" value=" "/>
<attribute name="VALUE"/>
</element>
<element name="R3" library="SparkFun-Resistors" package="1206" value=" ">
<attribute name="NAME"/>
<attribute name="PROD_ID" value=" "/>
<attribute name="VALUE"/>
</element>
<element name="R4" library="SparkFun-Resistors" package="1206" value=" ">
<attribute name="NAME"/>
<attribute name="PROD_ID" value=" "/>
<attribute name="VALUE"/>
</element>
<element name="R5" library="SparkFun-Resistors" package="1206" value=" ">
<attribute name="NAME"/>
<attribute name="PROD_ID" value=" "/>
<attribute name="VALUE"/>
</element>
<element name="R6" library="SparkFun-Resistors" package="1206" value=" ">
<attribute name="NAME"/>
<attribute name="PROD_ID" value=" "/>
<attribute name="VALUE"/>
</element>
<element name="R7" library="SparkFun-Resistors" package="1206" value=" ">
<attribute name="NAME"/>
<attribute name="PROD_ID" value=" "/>
<attribute name="VALUE"/>
</element>
<element name="JP3" library="Connector" package="1X04" value="PINHD-1X4">
<attribute name="CATEGORY" value="Connectors"/>
<attribute name="DATASHEET" value=""/>
<attribute name="DESCRIPTION" value="Header-Straight-4 Position"/>
<attribute name="MANUFACTURER" value=""/>
<attribute name="MPN" value=""/>
<attribute name="NAME"/>
<attribute name="OPERATING_TEMPERATURE" value=""/>
<attribute name="PACKAGE_SIZE" value=""/>
<attribute name="PACKAGE_TYPE" value="Through Hole"/>
<attribute name="PART_STATUS" value=""/>
<attribute name="PITCH" value="0.100&quot; (2.54mm)"/>
<attribute name="ROHS" value=""/>
<attribute name="SERIES" value=""/>
<attribute name="SUBCATEGORY" value="Headers"/>
<attribute name="THERMALLOSS" value=""/>
<attribute name="TYPE" value="Male Pins"/>
</element>
</elements>
<signals>
<signal name="N$1">
<contactref element="IC1" pad="7"/>
<contactref element="R7" pad="2"/>
<contactref element="J1" pad="TIP"/>
<contactref element="JP3" pad="1"/>
</signal>
<signal name="N$2">
<contactref element="R1" pad="2"/>
<contactref element="R2" pad="2"/>
<contactref element="R3" pad="2"/>
<contactref element="R4" pad="2"/>
<contactref element="R5" pad="1"/>
<contactref element="IC1" pad="2"/>
</signal>
<signal name="N$3">
<contactref element="R5" pad="2"/>
<contactref element="IC1" pad="1"/>
<contactref element="R6" pad="1"/>
<contactref element="JP3" pad="4"/>
</signal>
<signal name="N$4">
<contactref element="R6" pad="2"/>
<contactref element="IC1" pad="5"/>
<contactref element="R7" pad="1"/>
</signal>
<signal name="GND">
<contactref element="IC1" pad="6"/>
<contactref element="JP1" pad="5"/>
<contactref element="J1" pad="EARTH"/>
<contactref element="JP2" pad="3"/>
<contactref element="JP3" pad="3"/>
<contactref element="JP3" pad="2"/>
<contactref element="IC1" pad="3"/>
</signal>
<signal name="N$6">
<contactref element="JP1" pad="1"/>
<contactref element="R1" pad="1"/>
</signal>
<signal name="N$7">
<contactref element="JP1" pad="2"/>
<contactref element="R2" pad="1"/>
</signal>
<signal name="N$8">
<contactref element="JP1" pad="3"/>
<contactref element="R3" pad="1"/>
</signal>
<signal name="N$9">
<contactref element="JP1" pad="4"/>
<contactref element="R4" pad="1"/>
</signal>
<signal name="N$5">
<contactref element="JP2" pad="1"/>
<contactref element="IC1" pad="8"/>
</signal>
<signal name="N$10">
<contactref element="JP2" pad="2"/>
<contactref element="IC1" pad="4"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
