<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="9.4.2">
<drawing>
<board>
<plain>
<wire x1="81.44" y1="0" x2="12.7" y2="0" width="0.1524" layer="20"/>
<wire x1="12.7" y1="0" x2="0" y2="12.7" width="0.1524" layer="20" curve="-90"/>
<wire x1="0" y1="12.7" x2="0" y2="44.196" width="0.1524" layer="20"/>
<wire x1="0" y1="44.196" x2="12.7" y2="56.896" width="0.1524" layer="20" curve="-90"/>
<wire x1="12.7" y1="56.896" x2="78.74" y2="56.896" width="0.1524" layer="20"/>
<wire x1="78.74" y1="56.896" x2="91.44" y2="44.196" width="0.1524" layer="20" curve="-90"/>
<wire x1="91.44" y1="44.196" x2="91.44" y2="10" width="0.1524" layer="20"/>
<wire x1="91.44" y1="10" x2="81.44" y2="0" width="0.1524" layer="20" curve="-90"/>
<hole x="7.62" y="7.62" drill="3.1"/>
<hole x="7.62" y="49.276" drill="3.1"/>
<hole x="83.82" y="49.276" drill="3.1"/>
<hole x="83.82" y="7.62" drill="3.1"/>
<text>Mint Tin Arduino VU Meter
Version 2.</text>
<text>C. D'ARCY. 2020.</text>
<text>330 Resistor Array</text>
<text>Power Diode</text>
<text>9VDC</text>
<text>ATmega328P</text>
<text>PullUp</text>
<text>Reset</text>
<text>16 MHz</text>
<text>22pF</text>
<text>22pF</text>
<text>74HC595</text>
<text>74HC595</text>
<text>ISP</text>
<text>VU Meter</text>
<text>10uF</text>
<text>1uF</text>
<text>LM7805</text>
<text>10K</text>
<text>A5</text>
<text>A0</text>
<text>ON</text>
<text>OFF</text>
<text>PWR</text>
<text>10K</text>
<text>GND</text>
<text>5V</text>
</plain>
<libraries>
<library name="ACES_THT">
<packages>
<package name="0207/10">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
type 0207, grid 10 mm</description>
</package>
<package name="CAP-PTH-2.54">
<description>2 PTH spaced 0.1" apart</description>
</package>
<package name="DO41">
<description>&lt;B&gt;DIODE&lt;/B&gt;&lt;p&gt;
diameter 2.54 mm, horizontal, grid 10.16 mm</description>
</package>
<package name="ICSP">
<description>&lt;h3&gt;Plated Through Hole - 2x3&lt;/h3&gt;
&lt;p&gt;Specifications:
&lt;ul&gt;&lt;li&gt;Pin count:6&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_03x2&lt;/li&gt;
&lt;/ul&gt;&lt;/p&gt;</description>
</package>
<package name="PJ-202AH">
<description>&lt;b&gt;DC POWER JACK&lt;/b&gt;
&lt;p&gt;&lt;b&gt;Digikey Part:&lt;/b&gt; &lt;a href="https://www.digikey.ca/product-detail/en/cui-devices/PJ-202AH/CP-202AH-ND/408450" target="_blank"&gt;CP-202AH-ND&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;Source: &lt;a href="https://www.cuidevices.com/product/resource/pj-202ah.pdf"&gt;PJ-202AH.pdf&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;Modified on 2020 01 09 by C. D'Arcy to ensure rectangular-shaped milling of lead holes (&lt;b&gt;Layer 45&lt;/b&gt;).&lt;/p&gt;
&lt;p&gt;These jacks have kinked pins. Hopefully I've got the milled openings correctly sized and positioned&lt;/p&gt;
&lt;p&gt;&lt;img src="http://darcy.rsgc.on.ca/ACES/PCBs/images/ACESLogov2.png" align="left" width="100"&gt;&lt;/p&gt;</description>
</package>
<package name="TACTILE_SWITCH_PTH_6.0MM">
<description>&lt;h3&gt;Momentary Switch (Pushbutton) - SPST - PTH, 6.0mm Square&lt;/h3&gt;
&lt;p&gt;Normally-open (NO) SPST momentary switches (buttons, pushbuttons).&lt;/p&gt;
&lt;p&gt;&lt;a href="https://www.omron.com/ecb/products/pdf/en-b3f.pdf"&gt;Datasheet&lt;/a&gt; (B3F-1000)&lt;/p&gt;</description>
</package>
<package name="DIL16">
<description>&lt;b&gt;Dual In Line Package&lt;/b&gt;</description>
</package>
<package name="CPOL-RADIAL-2.5MM-5MM">
<description>2.5 mm spaced PTHs with 5 mm diameter outline and standard solder mask</description>
</package>
<package name="LB10">
<description>&lt;B&gt;LED BLOCK&lt;/B&gt;&lt;p&gt;
10-LED bar graph, DIL, Siemens</description>
</package>
<package name="DIP28">
<description>Standard 28-pin DIP package.&lt;br&gt;
IC needs to have legs bent before insertion.</description>
</package>
<package name="78XXL">
<description>&lt;b&gt;VOLTAGE REGULATOR&lt;/b&gt;</description>
</package>
<package name="HC49US">
<description>&lt;h3&gt;HC49/US 11.6x4.6mm PTH Crystal&lt;/h3&gt;
&lt;p&gt;&lt;a href="https://www.digikey.com/Web%20Export/Supplier%20Content/Citizen_300/PDF/Citizen_HC49US.pdf?redirected=1"&gt;Example Datasheet&lt;/a&gt;&lt;/p&gt;</description>
</package>
<package name="ACES_LOGO_MEDIUM@1">
</package>
<package name="LED3MM">
<description>&lt;B&gt;LED&lt;/B&gt;&lt;p&gt;
3 mm, round</description>
</package>
<package name="ACES_LOGO_SMALL">
</package>
<package name="MEDIUM_TSILK_TEXT">
</package>
<package name="MEDIUM_BSILK_TEXT">
</package>
</packages>
</library>
<library name="Switch">
<description>&lt;h3&gt; PCBLayout.com - Frequently Used &lt;i&gt;Switches&lt;/i&gt;&lt;/h3&gt;

Visit us at &lt;a href="http://www.PCBLayout.com"&gt;PCBLayout.com&lt;/a&gt; for quick and hassle-free PCB Layout/Manufacturing ordering experience.
&lt;BR&gt;
&lt;BR&gt;
This library has been generated by our experienced pcb layout engineers using current IPC and/or industry standards. We &lt;b&gt;believe&lt;/b&gt; the content to be accurate, complete and current. But, this content is provided as a courtesy and &lt;u&gt;user assumes all risk and responsiblity of it's usage&lt;/u&gt;.
&lt;BR&gt;
&lt;BR&gt;
Feel free to contact us at &lt;a href="mailto:Support@PCBLayout.com"&gt;Support@PCBLayout.com&lt;/a&gt; if you have any questions/concerns regarding any of our content or services.</description>
<packages>
<package name="ATE1E-2M3-10-Z">
</package>
</packages>
</library>
<library name="resistor-sil">
<description>&lt;b&gt;Resistors in Single Inline Packages&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="SIL11">
<description>&lt;b&gt;Single In Line&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="SparkFun-Aesthetics">
<description>&lt;h3&gt;SparkFun Aesthetics&lt;/h3&gt;
This library contiains non-functional items such as logos, build/ordering notes, frame blocks, etc. 
&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="DUMMY">
<description>&lt;h3&gt;Dummy Footprint&lt;/h3&gt;
&lt;p&gt;NOTHING HERE!!! For when you want a symbol with no package as an option against symbols with a package.&lt;/p&gt;

&lt;p&gt;Devices using:
&lt;ul&gt;&lt;li&gt;BADGERHACK_LOGO&lt;/li&gt;
&lt;li&gt;FRAME-LETTER&lt;/li&gt;&lt;/ul&gt;&lt;/p&gt;</description>
</package>
</packages>
</library>
<library name="con-lsta">
<description>&lt;b&gt;Female Headers etc.&lt;/b&gt;&lt;p&gt;
Naming:&lt;p&gt;
FE = female&lt;p&gt;
# contacts - # rows&lt;p&gt;
W = angled&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="FE06-2">
<description>&lt;b&gt;FEMALE HEADER&lt;/b&gt;</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="10K" library="ACES_THT" package="0207/10" value="10k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C3" library="ACES_THT" package="CAP-PTH-2.54" value="22pF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C4" library="ACES_THT" package="CAP-PTH-2.54" value="22pF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="D1" library="ACES_THT" package="DO41" value="1N400N">
<attribute name="NAME"/>
</element>
<element name="H1" library="ACES_THT" package="ICSP" value="ISP_HEADER"/>
<element name="J1" library="ACES_THT" package="PJ-202AH" value="9V">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="S1" library="ACES_THT" package="TACTILE_SWITCH_PTH_6.0MM" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="U$2" library="ACES_THT" package="DIL16" value="595">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="U$5" library="ACES_THT" package="CPOL-RADIAL-2.5MM-5MM" value="10uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="U$6" library="ACES_THT" package="CPOL-RADIAL-2.5MM-5MM" value="1uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="U$7" library="ACES_THT" package="DIL16" value="595">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="U$8" library="ACES_THT" package="LB10" value="BARGRAPH">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="U1" library="ACES_THT" package="DIP28" value="328P">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="IC-09136"/>
<attribute name="VALUE"/>
</element>
<element name="VREG" library="ACES_THT" package="78XXL" value="LM7805">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="XTAL1" library="ACES_THT" package="HC49US" value="16 MHz">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="U$1" library="ACES_THT" package="ACES_LOGO_MEDIUM@1" value=""/>
<element name="SW1" library="Switch" package="ATE1E-2M3-10-Z" value="ATE1E-2M3-10-Z">
<attribute name="CREATED_BY" value="PCBLayout.com"/>
<attribute name="DIGIKEY_PARTNO" value="563-1159-ND"/>
<attribute name="MANUFACTURER" value="Nidec Copal Electronics"/>
<attribute name="MPN" value="ATE1E-2M3-10-Z"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="L1" library="ACES_THT" package="LED3MM" value="LED3MM">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="10K1" library="ACES_THT" package="0207/10" value="10k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="RN1" library="resistor-sil" package="SIL11" value="">
<attribute name="MF" value=""/>
<attribute name="MPN" value=""/>
<attribute name="NAME"/>
<attribute name="OC_FARNELL" value="unknown"/>
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="POPULARITY" value="0"/>
<attribute name="VALUE"/>
</element>
<element name="FRAME1" library="SparkFun-Aesthetics" package="DUMMY" value="FRAME-LETTERNO_PACKAGE">
<attribute name="DESIGNER" value="Nobody"/>
<attribute name="VERSION" value="v01"/>
</element>
<element name="U$3" library="ACES_THT" package="ACES_LOGO_SMALL" value="ACES_LOGOSMALL"/>
<element name="SV1" library="con-lsta" package="FE06-2" value="">
<attribute name="MF" value=""/>
<attribute name="MPN" value=""/>
<attribute name="NAME"/>
<attribute name="OC_FARNELL" value="unknown"/>
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="POPULARITY" value="0"/>
<attribute name="VALUE"/>
</element>
<element name="U$4" library="ACES_THT" package="MEDIUM_TSILK_TEXT" value=""/>
<element name="U$9" library="ACES_THT" package="MEDIUM_BSILK_TEXT" value=""/>
</elements>
<signals>
<signal name="VIN">
<contactref element="J1" pad="1"/>
<contactref element="VREG" pad="IN"/>
<contactref element="U$5" pad="1"/>
</signal>
<signal name="VOUT">
<contactref element="VREG" pad="OUT"/>
<contactref element="U$6" pad="1"/>
<contactref element="D1" pad="A"/>
</signal>
<signal name="GND">
<contactref element="U$5" pad="2"/>
<contactref element="J1" pad="2"/>
<contactref element="J1" pad="3"/>
<contactref element="U$6" pad="2"/>
<contactref element="U$7" pad="8"/>
<contactref element="VREG" pad="GND"/>
<contactref element="C4" pad="1"/>
<contactref element="C3" pad="1"/>
<contactref element="U1" pad="8"/>
<contactref element="U1" pad="22"/>
<contactref element="H1" pad="1"/>
<contactref element="U$2" pad="8"/>
<contactref element="S1" pad="1"/>
<contactref element="S1" pad="2"/>
<contactref element="10K1" pad="2"/>
<contactref element="RN1" pad="1"/>
<contactref element="SW1" pad="3"/>
</signal>
<signal name="+5V">
<contactref element="U1" pad="20"/>
<contactref element="U1" pad="7"/>
<contactref element="U1" pad="21"/>
<contactref element="H1" pad="5"/>
<contactref element="U$7" pad="16"/>
<contactref element="U$2" pad="16"/>
<contactref element="U$7" pad="10"/>
<contactref element="U$2" pad="10"/>
<contactref element="10K" pad="1"/>
<contactref element="SW1" pad="2"/>
<contactref element="L1" pad="A"/>
</signal>
<signal name="L2C">
<contactref element="U$8" pad="12"/>
<contactref element="RN1" pad="10"/>
</signal>
<signal name="L3C">
<contactref element="U$8" pad="13"/>
<contactref element="RN1" pad="9"/>
</signal>
<signal name="L4C">
<contactref element="U$8" pad="14"/>
<contactref element="RN1" pad="8"/>
</signal>
<signal name="L5C">
<contactref element="U$8" pad="15"/>
<contactref element="RN1" pad="7"/>
</signal>
<signal name="L6C">
<contactref element="U$8" pad="16"/>
<contactref element="RN1" pad="6"/>
</signal>
<signal name="L7C">
<contactref element="U$8" pad="17"/>
<contactref element="RN1" pad="5"/>
</signal>
<signal name="L8C">
<contactref element="U$8" pad="18"/>
<contactref element="RN1" pad="4"/>
</signal>
<signal name="L9C">
<contactref element="U$8" pad="19"/>
<contactref element="RN1" pad="3"/>
</signal>
<signal name="L10C">
<contactref element="U$8" pad="20"/>
<contactref element="RN1" pad="2"/>
</signal>
<signal name="L1C">
<contactref element="U$8" pad="11"/>
<contactref element="RN1" pad="11"/>
</signal>
<signal name="RESET">
<contactref element="S1" pad="4"/>
<contactref element="S1" pad="3"/>
<contactref element="10K" pad="2"/>
<contactref element="U1" pad="1"/>
<contactref element="H1" pad="2"/>
</signal>
<signal name="L2A">
<contactref element="U$8" pad="9"/>
<contactref element="U$2" pad="6"/>
</signal>
<signal name="L3A">
<contactref element="U$8" pad="8"/>
<contactref element="U$2" pad="5"/>
</signal>
<signal name="L4A">
<contactref element="U$8" pad="7"/>
<contactref element="U$2" pad="4"/>
</signal>
<signal name="L5A">
<contactref element="U$8" pad="6"/>
<contactref element="U$2" pad="3"/>
</signal>
<signal name="L6A">
<contactref element="U$8" pad="5"/>
<contactref element="U$2" pad="2"/>
</signal>
<signal name="L7A">
<contactref element="U$8" pad="4"/>
<contactref element="U$2" pad="1"/>
</signal>
<signal name="L8A">
<contactref element="U$8" pad="3"/>
<contactref element="U$2" pad="15"/>
</signal>
<signal name="L9A">
<contactref element="U$8" pad="2"/>
<contactref element="U$7" pad="7"/>
</signal>
<signal name="A0">
<contactref element="U1" pad="23"/>
<contactref element="SV1" pad="11"/>
<contactref element="SV1" pad="12"/>
</signal>
<signal name="A1">
<contactref element="U1" pad="24"/>
<contactref element="SV1" pad="9"/>
<contactref element="SV1" pad="10"/>
</signal>
<signal name="A2">
<contactref element="U1" pad="25"/>
<contactref element="SV1" pad="7"/>
<contactref element="SV1" pad="8"/>
</signal>
<signal name="A3">
<contactref element="U1" pad="26"/>
<contactref element="SV1" pad="5"/>
<contactref element="SV1" pad="6"/>
</signal>
<signal name="A4">
<contactref element="U1" pad="27"/>
<contactref element="SV1" pad="3"/>
<contactref element="SV1" pad="4"/>
</signal>
<signal name="A5">
<contactref element="U1" pad="28"/>
<contactref element="SV1" pad="1"/>
<contactref element="SV1" pad="2"/>
</signal>
<signal name="XTAL1">
<contactref element="U1" pad="9"/>
<contactref element="XTAL1" pad="2"/>
<contactref element="C3" pad="2"/>
</signal>
<signal name="XTAL2">
<contactref element="U1" pad="10"/>
<contactref element="XTAL1" pad="1"/>
<contactref element="C4" pad="2"/>
</signal>
<signal name="SCK">
<contactref element="U1" pad="19"/>
<contactref element="H1" pad="4"/>
</signal>
<signal name="MOSI">
<contactref element="U1" pad="17"/>
<contactref element="H1" pad="3"/>
</signal>
<signal name="QH*">
<contactref element="U$7" pad="9"/>
<contactref element="U$2" pad="14"/>
</signal>
<signal name="LATCH">
<contactref element="U$7" pad="12"/>
<contactref element="U$2" pad="12"/>
<contactref element="U1" pad="14"/>
</signal>
<signal name="ENABLE">
<contactref element="U1" pad="5"/>
<contactref element="U$7" pad="13"/>
<contactref element="U$2" pad="13"/>
</signal>
<signal name="DATA">
<contactref element="U1" pad="6"/>
<contactref element="U$7" pad="14"/>
</signal>
<signal name="L10A">
<contactref element="U$8" pad="1"/>
<contactref element="U$7" pad="6"/>
</signal>
<signal name="CLOCK">
<contactref element="U$2" pad="11"/>
<contactref element="U$7" pad="11"/>
<contactref element="U1" pad="13"/>
</signal>
<signal name="L1A">
<contactref element="U$8" pad="10"/>
<contactref element="U$2" pad="7"/>
</signal>
<signal name="DOUT">
<contactref element="SW1" pad="1"/>
<contactref element="D1" pad="C"/>
</signal>
<signal name="N$13">
<contactref element="L1" pad="K"/>
<contactref element="10K1" pad="1"/>
</signal>
<signal name="MISO">
<contactref element="U1" pad="18"/>
<contactref element="H1" pad="6"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
