<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="9.0.1">
<drawing>
<board>
<plain>
<wire x1="5.08" y1="0" x2="115.57" y2="0" width="0" layer="20"/>
<wire x1="120.65" y1="5.08" x2="120.65" y2="55.88" width="0" layer="20"/>
<wire x1="115.57" y1="60.96" x2="7.9375" y2="60.96" width="0" layer="20"/>
<wire x1="0" y1="53.0225" x2="0" y2="5.08" width="0" layer="20"/>
<wire x1="5.08" y1="0" x2="0" y2="5.08" width="0.1524" layer="20" curve="-90"/>
<wire x1="115.57" y1="0" x2="120.65" y2="5.08" width="0.1524" layer="20" curve="90"/>
<wire x1="120.65" y1="55.88" x2="115.57" y2="60.96" width="0.1524" layer="20" curve="90"/>
<wire x1="0" y1="53.0225" x2="7.9375" y2="60.96" width="0.1524" layer="20"/>
<text>SJM4306</text>
<text>JLCJLCJLCJLC</text>
<text>042021</text>
<text>Polyphonic Touch Piano v1.1</text>
<text>&lt;</text>
</plain>
<libraries>
<library name="adafruit">
<packages>
<package name="C0805">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;&lt;p&gt;
chip</description>
</package>
<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>
<package name="M0805">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
MELF 0.10 W</description>
</package>
</packages>
</library>
<library name="One_Dimensional_Pong">
<description>Generated from &lt;b&gt;One_Dimensional_Pong.sch&lt;/b&gt;&lt;p&gt;
by exp-lbrs.ulp</description>
<packages>
<package name="SWITCH_SPST_SMD_A">
<description>&lt;h3&gt;SPDT Slide Switch - SMD&lt;/h3&gt;
&lt;p&gt;Single-pole, double-throw (SPDT) switch.&lt;/p&gt;
&lt;p&gt;&lt;a href="http://cdn.sparkfun.com/datasheets/Components/Switches/SLIDE.pdf"&gt;Datasheet&lt;/a&gt;&lt;/p&gt;</description>
</package>
</packages>
</library>
<library name="SparkFun-IC-Microcontroller">
<description>&lt;h3&gt;SparkFun Microcontrollers&lt;/h3&gt;
This library contains microcontrollers.
&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="TQFP32-08">
<description>&lt;B&gt;Thin Plasic Quad Flat Package&lt;/B&gt; Grid 0.8 mm</description>
</package>
</packages>
</library>
<library name="SparkFun-Clocks">
<description>&lt;h3&gt;SparkFun Clocks, Oscillators and Resonators&lt;/h3&gt;
This library contains the real-time clocks, oscillators, resonators, and crystals we use. 
&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="CRYSTAL-SMD-5X3.2-2PAD">
<description>&lt;h3&gt;5x3.2mm 2-pad SMD Crystal&lt;/h3&gt;
&lt;p&gt;&lt;a href="http://www.txccrystal.com/images/pdf/7a.pdf"&gt;Example Datasheet&lt;/a&gt;&lt;/p&gt;</description>
</package>
</packages>
</library>
<library name="sjm4306-custom">
<packages>
<package name="CR2032_SMD">
</package>
<package name="BUZZER_SMD">
</package>
<package name="MICRO_USB_4PTH">
</package>
</packages>
</library>
<library name="sjm4306_LOGO">
<packages>
<package name="SJM4306_MEDIUM_NO_MASK">
</package>
</packages>
</library>
<library name="BeagleBone_Blue_R3">
<description>Generated from &lt;b&gt;BeagleBone_Blue.sch&lt;/b&gt;&lt;p&gt;
by exp-lbrs.ulp</description>
<packages>
<package name="TP20SQ">
<description>&lt;b&gt;TEST PAD&lt;/b&gt;</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="C1" library="adafruit" package="C0805" value="0.1uF">
<attribute name="NAME"/>
</element>
<element name="C2" library="adafruit" package="C0805" value="22pF">
<attribute name="NAME"/>
</element>
<element name="C3" library="adafruit" package="C0805" value="22pF">
<attribute name="NAME"/>
</element>
<element name="L" library="adafruit" package="CHIP-LED0805" value="Green">
<attribute name="NAME"/>
</element>
<element name="P" library="adafruit" package="CHIP-LED0805" value="Red">
<attribute name="NAME"/>
</element>
<element name="R1" library="adafruit" package="M0805" value="10K">
<attribute name="NAME"/>
</element>
<element name="R2" library="adafruit" package="M0805" value="1K">
<attribute name="NAME"/>
</element>
<element name="R3" library="adafruit" package="M0805" value="1K">
<attribute name="NAME"/>
</element>
<element name="PWR" library="One_Dimensional_Pong" package="SWITCH_SPST_SMD_A" value="">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="SWCH-10651"/>
<attribute name="SF_ID" value="COM-00597"/>
<attribute name="SF_SKU" value="COM-10860"/>
<attribute name="VALUE"/>
</element>
<element name="U1" library="SparkFun-IC-Microcontroller" package="TQFP32-08" value="ATMEGA328P_TQFP">
<attribute name="NAME"/>
<attribute name="PROD_ID" value="IC-09069"/>
<attribute name="VALUE"/>
</element>
<element name="Y1" library="SparkFun-Clocks" package="CRYSTAL-SMD-5X3.2-2PAD" value="16MHz">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="U$1" library="sjm4306-custom" package="CR2032_SMD" value="CR2032_SMD"/>
<element name="R4" library="adafruit" package="M0805" value="1M">
<attribute name="NAME"/>
</element>
<element name="R5" library="adafruit" package="M0805" value="1M">
<attribute name="NAME"/>
</element>
<element name="R6" library="adafruit" package="M0805" value="1M">
<attribute name="NAME"/>
</element>
<element name="R7" library="adafruit" package="M0805" value="1M">
<attribute name="NAME"/>
</element>
<element name="R8" library="adafruit" package="M0805" value="1M">
<attribute name="NAME"/>
</element>
<element name="R9" library="adafruit" package="M0805" value="1M">
<attribute name="NAME"/>
</element>
<element name="R10" library="adafruit" package="M0805" value="1M">
<attribute name="NAME"/>
</element>
<element name="R11" library="adafruit" package="M0805" value="1M">
<attribute name="NAME"/>
</element>
<element name="R12" library="adafruit" package="M0805" value="1M">
<attribute name="NAME"/>
</element>
<element name="R13" library="adafruit" package="M0805" value="1M">
<attribute name="NAME"/>
</element>
<element name="R14" library="adafruit" package="M0805" value="1M">
<attribute name="NAME"/>
</element>
<element name="R15" library="adafruit" package="M0805" value="1M">
<attribute name="NAME"/>
</element>
<element name="R16" library="adafruit" package="M0805" value="1M">
<attribute name="NAME"/>
</element>
<element name="R17" library="adafruit" package="M0805" value="100">
<attribute name="NAME"/>
</element>
<element name="R18" library="adafruit" package="M0805" value="100">
<attribute name="NAME"/>
</element>
<element name="R19" library="adafruit" package="M0805" value="100">
<attribute name="NAME"/>
</element>
<element name="R20" library="adafruit" package="M0805" value="100">
<attribute name="NAME"/>
</element>
<element name="C4" library="adafruit" package="C0805" value="1uF">
<attribute name="NAME"/>
</element>
<element name="U$2" library="sjm4306_LOGO" package="SJM4306_MEDIUM_NO_MASK" value=""/>
<element name="U$3" library="sjm4306-custom" package="BUZZER_SMD" value="BUZZER_SMD"/>
<element name="C5" library="adafruit" package="C0805" value="Short">
<attribute name="NAME"/>
</element>
<element name="U$4" library="sjm4306-custom" package="CR2032_SMD" value="CR2032_SMD"/>
<element name="TP1" library="BeagleBone_Blue_R3" package="TP20SQ" value="TPTP20SQ">
<attribute name="TP_SIGNAL_NAME" value=""/>
<attribute name="VALUE"/>
</element>
<element name="TP2" library="BeagleBone_Blue_R3" package="TP20SQ" value="TPTP20SQ">
<attribute name="TP_SIGNAL_NAME" value=""/>
<attribute name="VALUE"/>
</element>
<element name="U$5" library="sjm4306-custom" package="MICRO_USB_4PTH" value="MICRO_USB_4PTH"/>
</elements>
<signals>
<signal name="GND">
<contactref element="U1" pad="21"/>
<contactref element="U1" pad="3"/>
<contactref element="U1" pad="5"/>
<contactref element="C1" pad="2"/>
<contactref element="R2" pad="1"/>
<contactref element="R3" pad="1"/>
<contactref element="C3" pad="2"/>
<contactref element="C2" pad="2"/>
<contactref element="C4" pad="2"/>
<contactref element="U$3" pad="P$2"/>
<contactref element="U$4" pad="P$3"/>
<contactref element="U$5" pad="P$7"/>
<contactref element="U$5" pad="P$6"/>
<contactref element="U$5" pad="P$5"/>
<contactref element="U$5" pad="P$9"/>
<contactref element="U$5" pad="P$8"/>
</signal>
<signal name="VCC">
<contactref element="U1" pad="18"/>
<contactref element="U1" pad="6"/>
<contactref element="U1" pad="4"/>
<contactref element="R1" pad="2"/>
<contactref element="U1" pad="20"/>
<contactref element="C1" pad="1"/>
<contactref element="P" pad="A"/>
<contactref element="PWR" pad="1"/>
<contactref element="C4" pad="1"/>
</signal>
<signal name="RST">
<contactref element="U1" pad="29"/>
<contactref element="R1" pad="1"/>
</signal>
<signal name="N$2">
<contactref element="U1" pad="8"/>
<contactref element="Y1" pad="P$1"/>
<contactref element="C2" pad="1"/>
</signal>
<signal name="N$3">
<contactref element="U1" pad="7"/>
<contactref element="Y1" pad="P$2"/>
<contactref element="C3" pad="1"/>
</signal>
<signal name="N$4">
<contactref element="P" pad="C"/>
<contactref element="R2" pad="2"/>
</signal>
<signal name="SCK">
<contactref element="U1" pad="17"/>
<contactref element="L" pad="A"/>
</signal>
<signal name="A6">
<contactref element="U1" pad="19"/>
</signal>
<signal name="A7">
<contactref element="U1" pad="22"/>
</signal>
<signal name="D1">
<contactref element="U1" pad="31"/>
</signal>
<signal name="N$1">
<contactref element="L" pad="C"/>
<contactref element="R3" pad="2"/>
</signal>
<signal name="N$5">
<contactref element="PWR" pad="2"/>
<contactref element="U$1" pad="P$1"/>
<contactref element="U$1" pad="P$2"/>
<contactref element="U$5" pad="P$1"/>
</signal>
<signal name="COM">
<contactref element="R4" pad="1"/>
<contactref element="R6" pad="1"/>
<contactref element="R8" pad="1"/>
<contactref element="R9" pad="1"/>
<contactref element="R11" pad="1"/>
<contactref element="R16" pad="1"/>
<contactref element="R13" pad="1"/>
<contactref element="R15" pad="1"/>
<contactref element="R5" pad="1"/>
<contactref element="R7" pad="1"/>
<contactref element="R10" pad="1"/>
<contactref element="R12" pad="1"/>
<contactref element="R14" pad="1"/>
<contactref element="U1" pad="30"/>
</signal>
<signal name="KC1">
<contactref element="R4" pad="2"/>
<contactref element="U1" pad="2"/>
</signal>
<signal name="KC1S">
<contactref element="R5" pad="2"/>
<contactref element="U1" pad="1"/>
</signal>
<signal name="KD1">
<contactref element="R6" pad="2"/>
<contactref element="U1" pad="32"/>
</signal>
<signal name="KD1S">
<contactref element="R7" pad="2"/>
<contactref element="U1" pad="9"/>
</signal>
<signal name="KE1">
<contactref element="R8" pad="2"/>
<contactref element="U1" pad="10"/>
</signal>
<signal name="KF1">
<contactref element="R9" pad="2"/>
<contactref element="U1" pad="11"/>
</signal>
<signal name="KF1S">
<contactref element="R10" pad="2"/>
<contactref element="U1" pad="12"/>
</signal>
<signal name="KG1">
<contactref element="R11" pad="2"/>
<contactref element="U1" pad="13"/>
</signal>
<signal name="KG1S">
<contactref element="R12" pad="2"/>
<contactref element="U1" pad="14"/>
</signal>
<signal name="KA1">
<contactref element="R13" pad="2"/>
<contactref element="U1" pad="15"/>
</signal>
<signal name="KA1S">
<contactref element="R14" pad="2"/>
<contactref element="U1" pad="16"/>
</signal>
<signal name="KB1">
<contactref element="R15" pad="2"/>
<contactref element="U1" pad="27"/>
</signal>
<signal name="KC2">
<contactref element="R16" pad="2"/>
<contactref element="U1" pad="28"/>
</signal>
<signal name="N$6">
<contactref element="R17" pad="1"/>
<contactref element="R18" pad="1"/>
<contactref element="R19" pad="1"/>
<contactref element="R20" pad="1"/>
<contactref element="C5" pad="2"/>
</signal>
<signal name="SPK0">
<contactref element="R17" pad="2"/>
<contactref element="U1" pad="23"/>
</signal>
<signal name="SPK1">
<contactref element="R18" pad="2"/>
<contactref element="U1" pad="24"/>
</signal>
<signal name="SPK2">
<contactref element="R19" pad="2"/>
<contactref element="U1" pad="25"/>
</signal>
<signal name="SPK3">
<contactref element="R20" pad="2"/>
<contactref element="U1" pad="26"/>
</signal>
<signal name="N$7">
<contactref element="U$3" pad="P$3"/>
<contactref element="C5" pad="1"/>
</signal>
<signal name="N$8">
<contactref element="U$1" pad="P$3"/>
<contactref element="TP1" pad="TP"/>
</signal>
<signal name="N$9">
<contactref element="U$4" pad="P$2"/>
<contactref element="U$4" pad="P$1"/>
<contactref element="TP2" pad="TP"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
