<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="7.4.0">
<drawing>
<board>
<plain>
<wire x1="0.762" y1="18.288" x2="50.546" y2="18.288" width="0" layer="20"/>
<wire x1="50.546" y1="0" x2="0.762" y2="0" width="0" layer="20"/>
<wire x1="51.308" y1="0.762" x2="51.308" y2="17.526" width="0" layer="20"/>
<wire x1="50.546" y1="0" x2="51.308" y2="0.762" width="0" layer="20" curve="90"/>
<wire x1="50.546" y1="18.288" x2="51.308" y2="17.526" width="0" layer="20" curve="-90"/>
<wire x1="0.762" y1="18.288" x2="0" y2="17.526" width="0" layer="20" curve="90"/>
<wire x1="0" y1="17.526" x2="0" y2="0.762" width="0" layer="20"/>
<wire x1="0" y1="0.762" x2="0.762" y2="0" width="0" layer="20" curve="90"/>
<text>LeafLabs</text>
<text>Maple Mini</text>
<text>0</text>
<text>1</text>
<text>2</text>
<text>3</text>
<text>4</text>
<text>5</text>
<text>6</text>
<text>7</text>
<text>8</text>
<text>9</text>
<text>10</text>
<text>11</text>
<text>12</text>
<text>13</text>
<text>14</text>
<text>reset</text>
<text>av-</text>
<text>av+</text>
<text>vbat</text>
<text>vin</text>
<text>vcc</text>
<text>gnd</text>
<text>but</text>
<text>15</text>
<text>16</text>
<text>17</text>
<text>18</text>
<text>19</text>
<text>20</text>
<text>21</text>
<text>22</text>
<text>23</text>
<text>24</text>
<text>25</text>
<text>26</text>
<text>27</text>
<text>28</text>
<text>29</text>
<text>30</text>
<text>31</text>
<text>r3</text>
<text>rx3</text>
<text>tx3</text>
<text>scl</text>
<text>sda</text>
<text>i2c2</text>
<text>boot1</text>
<text>pwm</text>
<text>ain</text>
<text>pwm</text>
<text>pwm</text>
<text>pwm</text>
<text>pwm</text>
<text>pwm</text>
<text>pwm</text>
<text>ain</text>
<text>ain</text>
<text>ain</text>
<text>ain</text>
<text>ain</text>
<text>ain</text>
<text>ain</text>
<text>ain</text>
<text>rx2</text>
<text>tx2</text>
<text>ss</text>
<text>sck</text>
<text>miso</text>
<text>mosi</text>
<text>spi1</text>
<text>5v</text>
<text>max</text>
<text>pwm</text>
<text>pwm</text>
<text>reset</text>
<text>but=32</text>
<text>pwm</text>
<text>pwm</text>
<text>pwm</text>
<text>scl</text>
<text>sda</text>
<text>i2c1</text>
<text>usb</text>
<text>dp</text>
<text>dm</text>
<text>rx1</text>
<text>tx1</text>
<text>ss</text>
<text>sck</text>
<text>miso</text>
<text>mosi</text>
<text>spi2</text>
<text>d1=33</text>
</plain>
<libraries>
<library name="SparkFun2">
<packages>
<package name="SOT23">
<description>&lt;b&gt;SOT-23&lt;/b&gt;</description>
</package>
<package name="0805">
</package>
<package name="CRYSTAL-SMD-5X3">
</package>
</packages>
</library>
<library name="stm32">
<packages>
<package name="LQFP48">
<description>&lt;b&gt;48-pin plastic LQFP (FPT-48P-M26)&lt;/b&gt;&lt;p&gt;
www.fma.fujitsu.com/pdf/e713717.pdf</description>
</package>
</packages>
</library>
<library name="okie">
<packages>
<package name="PUSHBUTTON-KMR241GLFS">
</package>
<package name="SOT23">
</package>
</packages>
</library>
<library name="SparkFun">
<packages>
<package name="C0402">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;&lt;p&gt;
chip</description>
</package>
<package name="LED-1206">
</package>
</packages>
</library>
<library name="SparkFun3">
<packages>
<package name="1X20">
</package>
<package name="SOD-323">
</package>
<package name="EIA3216">
</package>
<package name="0603">
</package>
</packages>
</library>
<library name="dp_devices">
<description>Dangerous Prototypes Standard PCB sizes
http://dangerousprototypes.com</description>
<packages>
<package name="CONN_USB_MICRO-B">
<description>USB micro-b connector SMT 0.65 mm pitch,
1.45mm from center to PCB edge,
Based on TE part number 1981568-1</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="RESET" library="okie" package="PUSHBUTTON-KMR241GLFS" value="KMR211GLFS"/>
<element name="BUT" library="okie" package="PUSHBUTTON-KMR241GLFS" value="KMR211GLFS"/>
<element name="C10" library="SparkFun" package="C0402" value="47pF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C11" library="SparkFun" package="C0402" value="47pF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="D1" library="SparkFun" package="LED-1206" value="Blue"/>
<element name="R1" library="SparkFun" package="C0402" value="1k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R6" library="SparkFun" package="C0402" value="22">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R7" library="SparkFun" package="C0402" value="22">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="Q2" library="SparkFun2" package="SOT23" value="NPN-BJT">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="Q1" library="SparkFun2" package="SOT23" value="NPN-BJT">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R10" library="SparkFun" package="C0402" value="1.5k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R11" library="SparkFun" package="C0402" value="36k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R8" library="SparkFun" package="C0402" value="10k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R12" library="SparkFun" package="C0402" value="47k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R5" library="SparkFun" package="C0402" value="1k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="IC1" library="okie" package="SOT23" value="MCP1703T-3302E/CB">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C2" library="SparkFun2" package="0805" value="10uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C4" library="SparkFun" package="C0402" value="1uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C7" library="SparkFun" package="C0402" value="1uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C6" library="SparkFun" package="C0402" value="1uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C5" library="SparkFun" package="C0402" value="1uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="IC2" library="okie" package="SOT23" value="MCP1703T-3302E/CB">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C3" library="SparkFun2" package="0805" value="10uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C9" library="SparkFun" package="C0402" value="18pF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C8" library="SparkFun" package="C0402" value="18pF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="UC1" library="stm32" package="LQFP48" value="STM32F103CBT6">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="J1" library="SparkFun3" package="1X20" value="M20">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="J2" library="SparkFun3" package="1X20" value="M20">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R2" library="SparkFun" package="C0402" value="1k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R9" library="SparkFun" package="C0402" value="10k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R3" library="SparkFun" package="C0402" value="10k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R4" library="SparkFun" package="C0402" value="1k"/>
<element name="D2" library="SparkFun3" package="SOD-323" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C1" library="SparkFun3" package="EIA3216" value="100uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="L1" library="SparkFun3" package="0603" value="ferrite bead">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="OSC" library="SparkFun2" package="CRYSTAL-SMD-5X3" value="8MHz">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="USB1" library="dp_devices" package="CONN_USB_MICRO-B" value="CON-USB-F-MICRO-B"/>
</elements>
<signals>
<signal name="N$59">
<contactref element="R6" pad="2"/>
<contactref element="USB1" pad="P2"/>
</signal>
<signal name="N$60">
<contactref element="R7" pad="2"/>
<contactref element="USB1" pad="P3"/>
</signal>
<signal name="VCC">
<contactref element="Q2" pad="3"/>
<contactref element="R12" pad="2"/>
<contactref element="IC1" pad="2"/>
<contactref element="C2" pad="1"/>
<contactref element="C7" pad="1"/>
<contactref element="C6" pad="1"/>
<contactref element="C5" pad="1"/>
<contactref element="UC1" pad="24"/>
<contactref element="UC1" pad="48"/>
<contactref element="UC1" pad="36"/>
<contactref element="J2" pad="20"/>
<contactref element="R2" pad="2"/>
<contactref element="R3" pad="2"/>
</signal>
<signal name="N$51">
<contactref element="Q2" pad="2"/>
<contactref element="R10" pad="2"/>
</signal>
<signal name="N$71">
<contactref element="Q2" pad="1"/>
<contactref element="Q1" pad="3"/>
<contactref element="R11" pad="2"/>
<contactref element="R8" pad="1"/>
</signal>
<signal name="N$73">
<contactref element="Q1" pad="1"/>
<contactref element="R12" pad="1"/>
<contactref element="R5" pad="2"/>
</signal>
<signal name="DISC">
<contactref element="R5" pad="1"/>
<contactref element="UC1" pad="46"/>
</signal>
<signal name="+5V/2">
<contactref element="R8" pad="2"/>
<contactref element="D2" pad="2"/>
<contactref element="USB1" pad="P1"/>
</signal>
<signal name="AV+">
<contactref element="IC2" pad="2"/>
<contactref element="C3" pad="1"/>
<contactref element="C4" pad="1"/>
<contactref element="UC1" pad="9"/>
<contactref element="J1" pad="1"/>
</signal>
<signal name="AV-">
<contactref element="IC2" pad="1"/>
<contactref element="C3" pad="2"/>
<contactref element="C4" pad="2"/>
<contactref element="UC1" pad="8"/>
<contactref element="J1" pad="2"/>
<contactref element="L1" pad="1"/>
</signal>
<signal name="DGND">
<contactref element="IC1" pad="1"/>
<contactref element="C2" pad="2"/>
<contactref element="C9" pad="2"/>
<contactref element="C8" pad="2"/>
<contactref element="C10" pad="1"/>
<contactref element="C11" pad="1"/>
<contactref element="Q1" pad="2"/>
<contactref element="R11" pad="1"/>
<contactref element="UC1" pad="23"/>
<contactref element="UC1" pad="47"/>
<contactref element="UC1" pad="35"/>
<contactref element="J2" pad="19"/>
<contactref element="C7" pad="2"/>
<contactref element="C6" pad="2"/>
<contactref element="C5" pad="2"/>
<contactref element="R9" pad="1"/>
<contactref element="R4" pad="1"/>
<contactref element="C1" pad="C"/>
<contactref element="L1" pad="2"/>
<contactref element="D1" pad="C"/>
<contactref element="USB1" pad="P5"/>
</signal>
<signal name="OSC_IN">
<contactref element="UC1" pad="5"/>
<contactref element="C9" pad="1"/>
<contactref element="OSC" pad="3"/>
</signal>
<signal name="OSC_OUT">
<contactref element="UC1" pad="6"/>
<contactref element="C8" pad="1"/>
<contactref element="OSC" pad="1"/>
</signal>
<signal name="N$1">
<contactref element="BUT" pad="P$1"/>
<contactref element="BUT" pad="P$3"/>
<contactref element="R2" pad="1"/>
</signal>
<signal name="N$4">
<contactref element="RESET" pad="P$1"/>
<contactref element="R4" pad="2"/>
<contactref element="RESET" pad="P$3"/>
</signal>
<signal name="RESET">
<contactref element="J1" pad="7"/>
<contactref element="UC1" pad="7"/>
<contactref element="RESET" pad="P$2"/>
<contactref element="RESET" pad="P$4"/>
<contactref element="R3" pad="1"/>
</signal>
<signal name="VBAT">
<contactref element="UC1" pad="1"/>
<contactref element="J1" pad="3"/>
</signal>
<signal name="N$2">
<contactref element="R1" pad="1"/>
<contactref element="D1" pad="A"/>
</signal>
<signal name="23_USBDP">
<contactref element="UC1" pad="33"/>
<contactref element="J2" pad="9"/>
<contactref element="R10" pad="1"/>
<contactref element="C11" pad="2"/>
<contactref element="R7" pad="1"/>
</signal>
<signal name="VIN">
<contactref element="J1" pad="20"/>
<contactref element="IC1" pad="3"/>
<contactref element="D2" pad="1"/>
<contactref element="C1" pad="A"/>
<contactref element="IC2" pad="3"/>
</signal>
<signal name="33">
<contactref element="UC1" pad="19"/>
<contactref element="R1" pad="2"/>
</signal>
<signal name="0">
<contactref element="UC1" pad="22"/>
<contactref element="J1" pad="19"/>
</signal>
<signal name="1">
<contactref element="UC1" pad="21"/>
<contactref element="J1" pad="18"/>
</signal>
<signal name="2">
<contactref element="UC1" pad="20"/>
<contactref element="J1" pad="17"/>
</signal>
<signal name="3">
<contactref element="J1" pad="16"/>
<contactref element="UC1" pad="18"/>
</signal>
<signal name="4">
<contactref element="J1" pad="15"/>
<contactref element="UC1" pad="17"/>
</signal>
<signal name="5">
<contactref element="J1" pad="14"/>
<contactref element="UC1" pad="16"/>
</signal>
<signal name="6">
<contactref element="J1" pad="13"/>
<contactref element="UC1" pad="15"/>
</signal>
<signal name="7">
<contactref element="J1" pad="12"/>
<contactref element="UC1" pad="14"/>
</signal>
<signal name="8">
<contactref element="J1" pad="11"/>
<contactref element="UC1" pad="13"/>
</signal>
<signal name="9">
<contactref element="J1" pad="10"/>
<contactref element="UC1" pad="12"/>
</signal>
<signal name="10">
<contactref element="J1" pad="9"/>
<contactref element="UC1" pad="11"/>
</signal>
<signal name="11">
<contactref element="J1" pad="8"/>
<contactref element="UC1" pad="10"/>
</signal>
<signal name="12">
<contactref element="UC1" pad="4"/>
<contactref element="J1" pad="6"/>
</signal>
<signal name="13">
<contactref element="UC1" pad="3"/>
<contactref element="J1" pad="5"/>
</signal>
<signal name="14">
<contactref element="UC1" pad="2"/>
<contactref element="J1" pad="4"/>
</signal>
<signal name="15">
<contactref element="J2" pad="17"/>
<contactref element="UC1" pad="43"/>
</signal>
<signal name="16">
<contactref element="J2" pad="16"/>
<contactref element="UC1" pad="42"/>
</signal>
<signal name="17">
<contactref element="J2" pad="15"/>
<contactref element="UC1" pad="41"/>
</signal>
<signal name="18">
<contactref element="J2" pad="14"/>
<contactref element="UC1" pad="40"/>
</signal>
<signal name="19">
<contactref element="UC1" pad="39"/>
<contactref element="J2" pad="13"/>
</signal>
<signal name="20">
<contactref element="J2" pad="12"/>
<contactref element="UC1" pad="38"/>
</signal>
<signal name="21">
<contactref element="UC1" pad="37"/>
<contactref element="J2" pad="11"/>
</signal>
<signal name="22">
<contactref element="J2" pad="10"/>
<contactref element="UC1" pad="34"/>
</signal>
<signal name="24_USBDM">
<contactref element="UC1" pad="32"/>
<contactref element="J2" pad="8"/>
<contactref element="C10" pad="2"/>
<contactref element="R6" pad="1"/>
</signal>
<signal name="25">
<contactref element="UC1" pad="31"/>
<contactref element="J2" pad="7"/>
</signal>
<signal name="26">
<contactref element="UC1" pad="30"/>
<contactref element="J2" pad="6"/>
</signal>
<signal name="27">
<contactref element="UC1" pad="29"/>
<contactref element="J2" pad="5"/>
</signal>
<signal name="28">
<contactref element="UC1" pad="28"/>
<contactref element="J2" pad="4"/>
</signal>
<signal name="29">
<contactref element="UC1" pad="27"/>
<contactref element="J2" pad="3"/>
</signal>
<signal name="30">
<contactref element="UC1" pad="26"/>
<contactref element="J2" pad="2"/>
</signal>
<signal name="31">
<contactref element="UC1" pad="25"/>
<contactref element="J2" pad="1"/>
</signal>
<signal name="32">
<contactref element="BUT" pad="P$2"/>
<contactref element="J2" pad="18"/>
<contactref element="UC1" pad="44"/>
<contactref element="R9" pad="2"/>
<contactref element="UC1" pad="45"/>
<contactref element="BUT" pad="P$4"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
