<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="7.7.0">
<drawing>
<board>
<plain>
<text>SDA</text>
<text>SCL</text>
<text>GND</text>
<text>3V3</text>
<text>VIN</text>
<text>GND</text>
<text>RPI Zero Shield for
RAK831 LoraWAN
Concentrator V1.4
</text>
<text>RPI Zero Shield for
RAK831 LoraWAN
Concentrator V1.4</text>
<text>SDA</text>
<text>SCL</text>
<text>GND</text>
<text>3V3</text>
<text>GND</text>
<text>VIN</text>
<text>SDA</text>
<text>SCL</text>
<text>GND</text>
<text>3V3</text>
<text>SCL</text>
<text>SDA</text>
<text>GND</text>
<text>3V3</text>
<text>I2C-3</text>
<text>I2C-2</text>
<text>Green
</text>
<text>FTDI Serial</text>
<text>LED1</text>
<text>GND</text>
<text>NC</text>
<text>NC</text>
<text>NC</text>
<hole x="28.694" y="54.4163" drill="4"/>
<hole x="28.694" y="13.37" drill="4"/>
<hole x="99.924" y="13.37" drill="4"/>
<hole x="99.924" y="54.4163" drill="4"/>
<wire x1="56.515" y1="59.055" x2="37.465" y2="59.055" width="0.0508" layer="20"/>
<wire x1="37.465" y1="59.055" x2="36.195" y2="57.785" width="0.0508" layer="20" curve="90"/>
<wire x1="36.195" y1="57.785" x2="36.195" y2="53.975" width="0.0508" layer="20"/>
<wire x1="36.195" y1="53.975" x2="37.465" y2="52.705" width="0.0508" layer="20" curve="90"/>
<wire x1="37.465" y1="52.705" x2="56.515" y2="52.705" width="0.0508" layer="20"/>
<wire x1="56.515" y1="52.705" x2="57.785" y2="53.975" width="0.0508" layer="20" curve="90"/>
<wire x1="57.785" y1="53.975" x2="57.785" y2="57.785" width="0.0508" layer="20"/>
<wire x1="57.785" y1="57.785" x2="56.515" y2="59.055" width="0.0508" layer="20" curve="90"/>
<wire x1="93.98" y1="59.055" x2="84.455" y2="59.055" width="0.0508" layer="20"/>
<wire x1="84.455" y1="59.055" x2="83.185" y2="57.785" width="0.0508" layer="20" curve="90"/>
<wire x1="83.185" y1="57.785" x2="83.185" y2="53.975" width="0.0508" layer="20"/>
<wire x1="83.185" y1="53.975" x2="84.455" y2="52.705" width="0.0508" layer="20" curve="90"/>
<wire x1="84.455" y1="52.705" x2="93.98" y2="52.705" width="0.0508" layer="20"/>
<wire x1="93.98" y1="52.705" x2="95.25" y2="53.975" width="0.0508" layer="20" curve="90"/>
<wire x1="95.25" y1="53.975" x2="95.25" y2="57.785" width="0.0508" layer="20"/>
<wire x1="95.25" y1="57.785" x2="93.98" y2="59.055" width="0.0508" layer="20" curve="90"/>
<text>Black
</text>
<text>24</text>
<text>23</text>
<text>2</text>
<text>1</text>
<text>5V</text>
<text>3V3</text>
<text>github.com/ch2i</text>
<text>V1.4
</text>
<text>3V3</text>
<text>SW</text>
<text>3V3</text>
<text>SW</text>
<text>VIN</text>
<text>5V</text>
<text>G</text>
<text>OKI-78SR-5</text>
<text>Solder JP1 if you
use 5V power and
no DC/DC step down</text>
<text>Reset
IO25</text>
<text>Vin 36V Max
if using 
DC/DC else
5V only</text>
<text>IO17</text>
<text>IO17</text>
<text>SDA</text>
<text>SCL</text>
<text>4</text>
<text>17</text>
<text>MOSI</text>
<text>MISO</text>
<text>SCK</text>
<text>25</text>
<text>CS</text>
<text>24</text>
<text>23</text>
<text>18</text>
<text>RX</text>
<text>TX</text>
<text>27</text>
<text>22</text>
<text>3V3</text>
<text>GND</text>
<text>3V3</text>
<text>5V</text>
<text>5V</text>
<text>SDA</text>
<text>SCL</text>
<text>GND</text>
<text>+5V</text>
<text>SDA</text>
<text>SCL</text>
<text>GND</text>
<text>+5V</text>
<text>LED2</text>
<text>GND</text>
<text>GND</text>
<wire x1="31.75" y1="25.4" x2="30.607" y2="25.4" width="0.0508" layer="20"/>
<wire x1="30.607" y1="25.4" x2="29.972" y2="24.765" width="0.0508" layer="20" curve="90"/>
<wire x1="29.972" y1="24.765" x2="29.972" y2="21.59" width="0.0508" layer="20"/>
<wire x1="29.972" y1="21.59" x2="30.607" y2="20.955" width="0.0508" layer="20" curve="90"/>
<wire x1="30.607" y1="20.955" x2="31.75" y2="20.955" width="0.0508" layer="20"/>
<wire x1="31.75" y1="20.955" x2="32.385" y2="21.59" width="0.0508" layer="20" curve="90"/>
<wire x1="32.385" y1="21.59" x2="32.385" y2="24.765" width="0.0508" layer="20"/>
<wire x1="32.385" y1="24.765" x2="31.75" y2="25.4" width="0.0508" layer="20" curve="90"/>
<text>I2C-1</text>
<text>I2C-1</text>
</plain>
<libraries>
<library name="_c2h">
<packages>
<package name="AXIAL-0.4">
<description>1/4W Resistor, 0.4" wide&lt;p&gt;

Yageo CFR series &lt;a href="http://www.yageo.com/pdf/yageo/Leaded-R_CFR_2008.pdf"&gt;http://www.yageo.com/pdf/yageo/Leaded-R_CFR_2008.pdf&lt;/a&gt;</description>
</package>
<package name="LOGO_CH2I_110MM">
</package>
<package name="1X04_NO_LOCK">
</package>
<package name="0805-RES">
</package>
<package name="M1X6">
</package>
<package name="ENCLOSURE_1591B">
</package>
<package name="FFKV2_35">
</package>
<package name="SPTAF_2X50">
</package>
<package name="OKI-78SRH">
<description>OKI-78SR-3.3/1.5W36H&lt;br&gt;
OKI-78SR-5/1.5W36H</description>
</package>
<package name="2X20-HLE">
</package>
<package name="WS2812B-LONG">
</package>
<package name="LED-RGB-THRU">
</package>
<package name="0805-CAP-LARGEPADS">
</package>
<package name="CAP-PTH-SMALL">
</package>
<package name="PAD-JUMPER-SWAP">
</package>
<package name="LED3MM">
<description>&lt;B&gt;LED&lt;/B&gt;&lt;p&gt;
3 mm, round</description>
</package>
<package name="0805-LED">
</package>
</packages>
</library>
<library name="GeekAmmo">
<description>&lt;h3&gt;GeekAmmo  Library&lt;/h3&gt;

These are parts used by the GeekAmmo company (now part of SparkFun Electronics)!

 If you enjoy using this library, please buy one of our products at www.sparkfun.com.
&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="TAC-SWITCH-PTH">
</package>
</packages>
</library>
<library name="pinhead">
<description>&lt;b&gt;Pin Header Connectors&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="2X12">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="tobias">
<packages>
<package name="RPI-ZERO-DRILLS">
<description>Raspberry Pi Zero, full outline with position of big connectors &amp;amp; drill holes</description>
</package>
</packages>
</library>
<library name="SparkFun-Passives">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
In this library you'll find resistors, capacitors, inductors, test points, jumper pads, 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 the end user's responsibility to ensure correctness and suitablity for a given componet or application. If you enjoy using this library, please buy one of our products at www.sparkfun.com.
&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="PAD-JUMPER-2-NO_YES_SILK">
<description>Small solder jumper with no paste layer so it will open after reflow.</description>
</package>
</packages>
</library>
</libraries>
<attributes>
<attribute name="REV" value="A"/>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="U$9" library="_c2h" package="LOGO_CH2I_110MM" value=""/>
<element name="I2C-1" library="_c2h" package="1X04_NO_LOCK" value="2.54_I2C"/>
<element name="I2C-3" library="_c2h" package="1X04_NO_LOCK" value="2.54_I2C"/>
<element name="U$1" library="_c2h" package="LOGO_CH2I_110MM" value=""/>
<element name="J11" library="_c2h" package="M1X6" value="CON_HEADER_1X06-PTH"/>
<element name="S1" library="GeekAmmo" package="TAC-SWITCH-PTH" value="PWR"/>
<element name="JP2" library="pinhead" package="2X12" value="RAK831">
<attribute name="VALUE"/>
</element>
<element name="U$2" library="tobias" package="RPI-ZERO-DRILLS" value="RPI-ZERODRILL"/>
<element name="U$10" library="_c2h" package="ENCLOSURE_1591B" value=""/>
<element name="R2" library="_c2h" package="AXIAL-0.4" value="10K">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R105" library="_c2h" package="0805-RES" value="">
<attribute name="VALUE"/>
</element>
<element name="X1" library="_c2h" package="FFKV2_35" value="SPTAF_23.5"/>
<element name="X2" library="_c2h" package="SPTAF_2X50" value="SPTAF_25.0MM"/>
<element name="U$3" library="_c2h" package="OKI-78SRH" value="DCDC_OKI-78SRHORZ"/>
<element name="J2" library="_c2h" package="2X20-HLE" value="CONN_20X2HLE"/>
<element name="I2C-2" library="_c2h" package="1X04_NO_LOCK" value="2.54_I2C"/>
<element name="L1" library="_c2h" package="WS2812B-LONG" value="WS2812BLONG"/>
<element name="L2" library="_c2h" package="LED-RGB-THRU" value="WS2812BNOR"/>
<element name="C1" library="_c2h" package="0805-CAP-LARGEPADS" value="100nF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="L5" library="_c2h" package="WS2812B-LONG" value="WS2812BLONG"/>
<element name="L6" library="_c2h" package="LED-RGB-THRU" value="WS2812BNOR"/>
<element name="C2" library="_c2h" package="0805-CAP-LARGEPADS" value="100nF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C4" library="_c2h" package="CAP-PTH-SMALL" value="">
<attribute name="VALUE"/>
</element>
<element name="C6" library="_c2h" package="CAP-PTH-SMALL" value="">
<attribute name="VALUE"/>
</element>
<element name="JP1" library="SparkFun-Passives" package="PAD-JUMPER-2-NO_YES_SILK" value="JUMPER-PAD-2-NOYES_SILK">
<attribute name="NAME"/>
</element>
<element name="U$4" library="_c2h" package="PAD-JUMPER-SWAP" value="PAD PWR"/>
<element name="U$5" library="_c2h" package="PAD-JUMPER-SWAP" value="PAD I2C"/>
<element name="R1" library="_c2h" package="AXIAL-0.4" value="390">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="U$6" library="_c2h" package="LED3MM" value="IO4">
<attribute name="VALUE"/>
</element>
<element name="R6" library="_c2h" package="0805-RES" value="">
<attribute name="VALUE"/>
</element>
<element name="LED3" library="_c2h" package="0805-LED" value="LED0805"/>
</elements>
<signals>
<signal name="N$1">
</signal>
<signal name="N$2">
</signal>
<signal name="N$3">
</signal>
<signal name="N$4">
</signal>
<signal name="N$5">
</signal>
<signal name="N$6">
</signal>
<signal name="N$7">
</signal>
<signal name="N$8">
</signal>
<signal name="N$9">
</signal>
<signal name="N$10">
</signal>
<signal name="N$11">
</signal>
<signal name="N$12">
</signal>
<signal name="N$13">
</signal>
<signal name="N$15">
</signal>
<signal name="N$17">
</signal>
<signal name="N$19">
</signal>
<signal name="N$20">
</signal>
<signal name="N$21">
</signal>
<signal name="N$22">
</signal>
<signal name="N$23">
</signal>
<signal name="N$42">
</signal>
<signal name="N$48">
</signal>
<signal name="N$49">
</signal>
<signal name="N$51">
</signal>
<signal name="N$53">
</signal>
<signal name="N$54">
</signal>
<signal name="N$25">
</signal>
<signal name="N$55">
</signal>
<signal name="N$56">
</signal>
<signal name="N$24">
</signal>
<signal name="N$57">
</signal>
<signal name="N$58">
</signal>
<signal name="N$59">
</signal>
<signal name="N$61">
</signal>
<signal name="N$62">
</signal>
<signal name="GND">
<contactref element="J11" pad="1"/>
<contactref element="I2C-3" pad="2"/>
<contactref element="JP2" pad="3"/>
<contactref element="JP2" pad="6"/>
<contactref element="JP2" pad="5"/>
<contactref element="JP2" pad="12"/>
<contactref element="JP2" pad="14"/>
<contactref element="U$2" pad="GND@9"/>
<contactref element="R105" pad="1"/>
<contactref element="R2" pad="P$1"/>
<contactref element="X2" pad="1A"/>
<contactref element="X2" pad="1"/>
<contactref element="U$3" pad="2"/>
<contactref element="J2" pad="9"/>
<contactref element="U$2" pad="GND@34"/>
<contactref element="J2" pad="34"/>
<contactref element="U$2" pad="GND@30"/>
<contactref element="J2" pad="30"/>
<contactref element="U$2" pad="GND@20"/>
<contactref element="J2" pad="20"/>
<contactref element="U$2" pad="GND@39"/>
<contactref element="J2" pad="39"/>
<contactref element="I2C-2" pad="2"/>
<contactref element="J2" pad="14"/>
<contactref element="U$2" pad="GND@14"/>
<contactref element="U$2" pad="GND@25"/>
<contactref element="J2" pad="25"/>
<contactref element="L2" pad="3"/>
<contactref element="L1" pad="3"/>
<contactref element="C1" pad="2"/>
<contactref element="L5" pad="3"/>
<contactref element="L6" pad="3"/>
<contactref element="C2" pad="2"/>
<contactref element="C4" pad="2"/>
<contactref element="C6" pad="2"/>
<contactref element="U$2" pad="GND@6"/>
<contactref element="J2" pad="6"/>
<contactref element="U$4" pad="1"/>
<contactref element="U$4" pad="11"/>
<contactref element="U$6" pad="MINUS"/>
<contactref element="LED3" pad="MINUS"/>
</signal>
<signal name="3V3">
<contactref element="I2C-3" pad="1"/>
<contactref element="U$2" pad="3V3@1"/>
<contactref element="S1" pad="3"/>
<contactref element="S1" pad="4"/>
<contactref element="X1" pad="2A"/>
<contactref element="X1" pad="2"/>
<contactref element="J2" pad="1"/>
<contactref element="U$4" pad="44"/>
<contactref element="U$4" pad="4"/>
</signal>
<signal name="5V">
<contactref element="JP2" pad="2"/>
<contactref element="JP2" pad="1"/>
<contactref element="U$2" pad="5V0@2"/>
<contactref element="U$2" pad="5V0@4"/>
<contactref element="U$3" pad="3"/>
<contactref element="J2" pad="4"/>
<contactref element="J2" pad="2"/>
<contactref element="I2C-2" pad="1"/>
<contactref element="C1" pad="1"/>
<contactref element="L2" pad="2"/>
<contactref element="L1" pad="1"/>
<contactref element="C2" pad="1"/>
<contactref element="L6" pad="2"/>
<contactref element="L5" pad="1"/>
<contactref element="C4" pad="1"/>
<contactref element="C6" pad="1"/>
<contactref element="JP1" pad="2"/>
</signal>
<signal name="GPIO4">
<contactref element="U$2" pad="GPIO4/GPCLK0@7"/>
<contactref element="J2" pad="7"/>
<contactref element="R1" pad="P$1"/>
<contactref element="R6" pad="1"/>
</signal>
<signal name="GPIO18">
<contactref element="U$2" pad="GPIO18/PWM0@12"/>
<contactref element="J2" pad="12"/>
<contactref element="L2" pad="1"/>
<contactref element="L1" pad="4"/>
</signal>
<signal name="GPIO24">
<contactref element="U$2" pad="GPIO24"/>
<contactref element="J2" pad="18"/>
</signal>
<signal name="GPIO23">
<contactref element="U$2" pad="GPIO23@16"/>
<contactref element="J2" pad="16"/>
</signal>
<signal name="SDA">
<contactref element="I2C-3" pad="4"/>
<contactref element="U$2" pad="GPIO2/SDA@3"/>
<contactref element="J2" pad="3"/>
<contactref element="I2C-2" pad="3"/>
<contactref element="U$5" pad="44"/>
<contactref element="U$5" pad="4"/>
</signal>
<signal name="SCL">
<contactref element="I2C-3" pad="3"/>
<contactref element="U$2" pad="GPIO3/SCL@5"/>
<contactref element="J2" pad="5"/>
<contactref element="I2C-2" pad="4"/>
<contactref element="U$5" pad="1"/>
<contactref element="U$5" pad="11"/>
</signal>
<signal name="MOSI">
<contactref element="U$2" pad="GPIO10/MOSI@19"/>
<contactref element="JP2" pad="16"/>
<contactref element="J2" pad="19"/>
</signal>
<signal name="MISO">
<contactref element="U$2" pad="GPIO9/MISO@21"/>
<contactref element="JP2" pad="17"/>
<contactref element="J2" pad="21"/>
</signal>
<signal name="SCK">
<contactref element="U$2" pad="GPIO11/SCLK@23"/>
<contactref element="JP2" pad="18"/>
<contactref element="J2" pad="23"/>
</signal>
<signal name="CS">
<contactref element="U$2" pad="GPIO8/CE0@24"/>
<contactref element="JP2" pad="15"/>
<contactref element="J2" pad="24"/>
</signal>
<signal name="RESET">
<contactref element="JP2" pad="19"/>
<contactref element="J2" pad="22"/>
<contactref element="U$2" pad="GPIO25@22"/>
</signal>
<signal name="TXD">
<contactref element="U$2" pad="GPIO14/TXD@8"/>
<contactref element="J11" pad="5"/>
<contactref element="J2" pad="8"/>
</signal>
<signal name="RXD">
<contactref element="U$2" pad="GPIO15/RXD@10"/>
<contactref element="J11" pad="4"/>
<contactref element="J2" pad="10"/>
</signal>
<signal name="GPIO19">
<contactref element="U$2" pad="GPIO19/MISO@35"/>
<contactref element="J2" pad="35"/>
</signal>
<signal name="VIN">
<contactref element="X2" pad="2"/>
<contactref element="X2" pad="2A"/>
<contactref element="U$3" pad="1"/>
<contactref element="JP1" pad="1"/>
</signal>
<signal name="GPIO17">
<contactref element="U$2" pad="GPIO17@11"/>
<contactref element="J2" pad="11"/>
<contactref element="S1" pad="1"/>
<contactref element="S1" pad="2"/>
<contactref element="R2" pad="P$2"/>
<contactref element="R105" pad="2"/>
<contactref element="X1" pad="1A"/>
<contactref element="X1" pad="1"/>
</signal>
<signal name="DAT">
<contactref element="U$2" pad="GPIO27@13"/>
<contactref element="J2" pad="13"/>
</signal>
<signal name="CLK">
<contactref element="U$2" pad="GPIO22@15"/>
<contactref element="J2" pad="15"/>
</signal>
<signal name="N$14">
<contactref element="U$2" pad="GPIO7/CE1@26"/>
<contactref element="J2" pad="26"/>
</signal>
<signal name="N$28">
<contactref element="U$2" pad="GPIO1/ID_SC@28"/>
<contactref element="J2" pad="28"/>
</signal>
<signal name="N$29">
<contactref element="U$2" pad="GPIO12/PWM0@32"/>
<contactref element="J2" pad="32"/>
</signal>
<signal name="N$30">
<contactref element="U$2" pad="GPIO16@36"/>
<contactref element="J2" pad="36"/>
</signal>
<signal name="N$31">
<contactref element="U$2" pad="GPIO20/MOSI@38"/>
<contactref element="J2" pad="38"/>
</signal>
<signal name="N$32">
<contactref element="U$2" pad="GPIO21/SCLR@40"/>
<contactref element="J2" pad="40"/>
</signal>
<signal name="3V3@17">
<contactref element="U$2" pad="3V3@17"/>
<contactref element="J2" pad="17"/>
</signal>
<signal name="N$33">
<contactref element="U$2" pad="GPIO0/ID_SD@27"/>
<contactref element="J2" pad="27"/>
</signal>
<signal name="N$34">
<contactref element="U$2" pad="GPIO5@29"/>
<contactref element="J2" pad="29"/>
</signal>
<signal name="N$35">
<contactref element="U$2" pad="GPIO6@31"/>
<contactref element="J2" pad="31"/>
</signal>
<signal name="N$36">
<contactref element="U$2" pad="GPIO13/PWM1@33"/>
<contactref element="J2" pad="33"/>
</signal>
<signal name="N$37">
<contactref element="U$2" pad="GPIO26@37"/>
<contactref element="J2" pad="37"/>
</signal>
<signal name="N$39">
<contactref element="L2" pad="4"/>
<contactref element="L1" pad="2"/>
<contactref element="L5" pad="4"/>
<contactref element="L6" pad="1"/>
</signal>
<signal name="N$18">
<contactref element="L6" pad="4"/>
<contactref element="L5" pad="2"/>
</signal>
<signal name="V-O">
<contactref element="U$4" pad="2"/>
<contactref element="I2C-1" pad="2"/>
</signal>
<signal name="V+O">
<contactref element="U$4" pad="3"/>
<contactref element="I2C-1" pad="1"/>
</signal>
<signal name="SD$1">
<contactref element="U$5" pad="3"/>
<contactref element="I2C-1" pad="4"/>
</signal>
<signal name="SD$2">
<contactref element="U$5" pad="2"/>
<contactref element="I2C-1" pad="3"/>
</signal>
<signal name="N$16">
<contactref element="U$6" pad="PLUS"/>
<contactref element="R1" pad="P$2"/>
<contactref element="R6" pad="2"/>
<contactref element="LED3" pad="PLUS"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
