diff --git a/powerwatch/electron_rev_3/hardware/README.md b/powerwatch/electron_rev_3/hardware/README.md
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index 0000000..bd4f71e
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+++ b/powerwatch/electron_rev_3/hardware/README.md
@@ -0,0 +1,17 @@
+# Electron Sensor Board Rev 3
+This sensor board is part of the [GridWatch](http://grid.watch) project.
+
+The goal of this board is to test data collection in Accra. It is built on
+top of the Particle [Electron](https://docs.particle.io/datasheets/electron-(cellular)/electron-datasheet/)
+as a shield and contains an IMU with accel/mag, a microphone, a light sensor, a
+GPS, an SD card, and a BLE radio.
+
+The current version is built to be deployed inside. Eventually, this platform
+will be both indoors and solar powered. Right now, the peripherals are not
+selected for low power... Instead, they are selected because I've used them
+before.
+
+This design has been modified from the original revision 2 based on testing and
+deployment experiences. Particularly fixed are the problems tracked in
+[Rev A Issues](https://github.com/lab11/PlugWatch/issues/2).
+
diff --git a/powerwatch/electron_rev_3/hardware/plugwatch.brd b/powerwatch/electron_rev_3/hardware/plugwatch.brd
new file mode 100644
index 0000000..4609772
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+++ b/powerwatch/electron_rev_3/hardware/plugwatch.brd
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+Wire Entry (above board)
+Antenna Entry
+(from below)
+
+
+
+
+Cell Antenna below
+(No solid groundplane)
+Noah Klugman
+Branden Ghena
+Neal Jackson
+02/18
+>REV
+
+
+
+
+WIFI_TXD
+WIFI_RXD
+!WIFI_RESET
+WIFI_PWR_EN
+!SAFEMODE
+!LIGHT_INT
+SENSE_SDA
+SENSORS_SCL
+SD_MISO
+GPS_PWR_EN
+!GPS_RESET
+GPS_TXD
+GPS_RXD
+!IMU_INT
+BLE_TXD
+SD_SCLK
+SD_MOSI
+SD_DETECT
+!SD_CS
+BLE_PWR_EN
+NRF_SWDIO/!RESET
+BLE_RXD
+AUDIO_PWR_EN
+AUDIO_OUT
+
+
+
+
+
+Electron socket for a single-row header for a shield. Based off the ELECTRON_DUAL-ROW from the Particle library.
+
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+>NAME
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+
+u-blox MAX-M8 GPS module
+
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+>NAME
+>VALUE
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+>NAME
+>VALUE
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+
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+
+
+>Name
+>Value
+
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+
+
+Yageo GPS/GLONASS passive ceramic pathc antenna 18x18x4
+
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+
+
+
+
+
+
+
+
+
+
+
+
+>NAME
+>VALUE
+
+
+
+
+<b>LAB11</b> - Resistors, caps, etc.
+
+
+
+
+
+
+>NAME
+
+
+
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+
+
+
+
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+>NAME
+>VALUE
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+>NAME
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+>NAME
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+>NAME
+>VALUE
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+
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+
+
+<b>LAB11</b> - LEDs.
+
+
+
+
+
+
+
+
+>NAME
+>VALUE
+
+
+
+
+<b>LAB11</b> - ICs and other digital/analog chips.
+
+
+6MM x 6MM 48QFN package
+
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+>NAME
+
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+
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+>NAME
+
+
+Footprint for ANT3216A063R2400A 2.4GHz chip antenna
+
+
+
+
+
+
+
+>NAME
+
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+>NAME
+
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+>VALUE
+>NAME
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+>NAME
+
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+Vishay TSOT-23 6 Lead
+https://www.vishay.com/docs/72821/72821.pdf
+
+
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+>NAME
+>VALUE
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+>NAME
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+>NAME
+>VALUE
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+
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+
+
+
+The TC2030-IDC-NL is our "No Legs" 6-pin Plug-of-Nails Cable
+
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+
+
+>NAME
+>VALUE
+
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+
+Micro SD card holder with push-to-eject feature.
+
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+
+
+>NAME
+>VALUE
+
+
+
+
+<b>LAB11</b> - Switches.
+
+
+
+
+
+
+
+
+>NAME
+
+
+
+
+
+
+
+
+
+
+>NAME
+
+
+
+
+
+
+
+Built for the MPU-9250 using guidelines found in http://cds.linear.com/docs/en/packaging/Carsem%20MLP%20users%20guide.pdf
+
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+>NAME
+>VALUE
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+
+SOT23-5 landing pad. Adapted from http://www.ti.com/lit/ds/symlink/opa322.pdf
+
+
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+
+
+
+
+
+
+
+
+
+>NAME
+
+
+
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+
+
+
+
+
+<b>LAB11</b> - Logos for PCBs.
+
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+
+
+
+<b>LAB11</b> - Headers for pins and wires.
+
+
+
+>NAME
+>VALUE
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+<b>EAGLE Design Rules for *4* Layer Designs (MLB)</b>
+<p>
+This Sunstone Circuits 4 Layer .DRU has been set to cover our minimum requirements for our 4 layer MLB products. For questions, comments, suggestions, please contact Sunstone Customer Support:<p><b>Email:</b> mailto:support@sunstone.com<b><br>Phone:</b> 800-228-8198<p> v1.1Mod10/16/07~Layers-core reversal.Distance C/D.Restring%.Supply G
+<p>v1.2Mod12/06/07~Distance C/D to 20mils.<p>v1.3Mod12/12/07~Supply/Annulus Value to 12.5mils<p>1/15/08 SSC-EAGLE-4Lyr_v1.0.0.3~For Release<p>10/03/08 Description Edit<p>
+<i>Attention: Upon running the design check and making modifications, please remember to save any changes before closing the application and sending in your board file to Sunstone Circuits for conversion.<i>
+
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+
+Since Version 6.2.2 text objects can contain more than one line,
+which will not be processed correctly with this version.
+
+
+Since Version 8.2, EAGLE supports online libraries. The ids
+of those online libraries will not be understood (or retained)
+with this version.
+
+
+
diff --git a/powerwatch/electron_rev_3/hardware/plugwatch.sch b/powerwatch/electron_rev_3/hardware/plugwatch.sch
new file mode 100644
index 0000000..1bc8dd1
--- /dev/null
+++ b/powerwatch/electron_rev_3/hardware/plugwatch.sch
@@ -0,0 +1,5360 @@
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+
+<b>LAB11</b> - Frames and information fields for schematics.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Date:
+>LAST_DATE_TIME
+Sheet:
+>SHEET
+REV:
+>REV
+>TITLE
+
+Author:
+>AUTHOR
+
+
+
+
+
+LETTER landscape - Generic<br/><br>
+To use, set global attributes TITLE, AUTHOR and REV in your schematic.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Electron socket for a single-row header for a shield. Based off the ELECTRON_DUAL-ROW from the Particle library.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+>NAME
+
+
+
+
+The Electron! Cellular capability in a useful dev package with an STM32F205. Copied exactly from the Particle library.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+>Name
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+>VALUE
+
+
+
+
+
+<b>GND</b>
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+u-blox MAX-M8 GPS module
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+>NAME
+>VALUE
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+>NAME
+>VALUE
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+>NAME
+>VALUE
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+>Name
+>Value
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+>Name
+>Value
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+>NAME
+>VALUE
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+>NAME
+>VALUE
+
+
+BGA725L6
+SiGe LNA for GNSS
+
+Vcc:
+Icc:
+1.5V to 3.6V
+3.6 mA
+In. Gain:
+20 dB
+Noise F.:
+0.65 dB
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Yageo GPS/GLONASS passive ceramic pathc antenna 18x18x4
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+>NAME
+>VALUE
+
+
+
+
+
+
+
+
+>VALUE
+>NAME
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+<b>LAB11</b> - Resistors, caps, etc.
+
+
+
+
+
+>NAME
+>VALUE
+
+
+
+
+
+
+>NAME
+
+
+
+
+
+
+
+
+
+
+>NAME
+>VALUE
+
+
+
+
+
+>NAME
+
+
+
+
+
+
+
+>NAME
+
+
+
+
+
+
+
+
+>NAME
+
+
+
+
+
+>NAME
+
+
+
+
+
+
+
+
+
+>NAME
+
+
+Based on muRata GRM capacitor specifications
+
+
+
+
+
+
+
+>NAME
+
+
+Coilcraft XFL4015 series inductor package
+
+
+
+
+
+
+
+>NAME
+>VALUE
+
+
+
+
+
+
+
+
+>NAME
+
+
+muRata (previously TOKO) DFE322512C series inductors
+
+
+
+
+
+
+>NAME
+>VALUE
+
+
+
+
+
+
+
+
+>NAME
+>VALUE
+
+
+
+
+
+
+
+
+>NAME
+>VALUE
+
+
+
+
+
+
+
+
+>NAME
+>VALUE
+
+
+
+
+>NAME
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+>NAME
+
+
+
+
+
+>NAME
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+>NAME
+>VALUE
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+>NAME
+>VALUE
+
+
+
+
+
+
+
+
+
+
+
+
+>NAME
+>VALUE
+
+
+
+
+
+
+
+
+>NAME
+>VALUE
+
+
+
+
+
+
+
+
+
+
+>NAME
+>VALUE
+
+
+
+
+
+
+
+
+
+>NAME
+>VALUE
++
+
+
+
+
+<b>Resistor</b>
+Basic schematic elements and footprints for 0603, 1206, and PTH resistors.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+0402 Capacitor
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+A very specific inductor
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+<b>LAB11</b> - LEDs.
+
+
+
+
+
+
+
+
+>NAME
+>VALUE
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+>NAME
+>VALUE
+
+
+
+
+
+
+
+
+
+LED
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+<b>Supply Symbols</b><p>
+ GND, VCC, 0V, +5V, -5V, etc.<p>
+ Please keep in mind, that these devices are necessary for the
+ automatic wiring of the supply signals.<p>
+ The pin name defined in the symbol is identical to the net which is to be wired automatically.<p>
+ In this library the device names are the same as the pin names of the symbols, therefore the correct signal names appear next to the supply symbols in the schematic.<p>
+ <author>Created by librarian@cadsoft.de</author>
+
+
+
+
+
+>VALUE
+
+
+
+
+
+>VALUE
+
+
+
+
+
+<b>SUPPLY SYMBOL</b>
+
+
+
+
+
+
+
+
+
+
+
+
+<b>SUPPLY SYMBOL</b>
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+<b>LAB11</b> - ICs and other digital/analog chips.
+
+
+6MM x 6MM 48QFN package
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+>NAME
+
+
+
+
+
+
+
+
+
+
+
+>NAME
+
+
+Footprint for ANT3216A063R2400A 2.4GHz chip antenna
+
+
+
+
+
+
+
+>NAME
+
+
+
+
+
+
+
+
+
+
+
+
+>NAME
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+>VALUE
+>NAME
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+>NAME
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Vishay TSOT-23 6 Lead
+https://www.vishay.com/docs/72821/72821.pdf
+
+
+
+
+
+
+
+
+
+>NAME
+>VALUE
+
+
+
+
+
+
+Multiprotocol Bluetooth® 4.0 low energy/2.4 GHz RF SoC
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+>NAME
+>VALUE
+
+
+
+
+
+
+
+
+
+
+
+
+>NAME
+>VALUE
+
+
+Simple Antenna symbol
+
+
+
+
+
+
+>NAME
+>VALUE
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+>NAME
+>VALUE
+
+
+MAX7401/MAX7405 Family of Bessel Filters
+
+
+
+
+
+
+
+
+
+
+
+
+>NAME
+
+
+
+
+
+
+>NAME
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+>NAME
+>VALUE
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Multiprotocol Bluetooth® 4.0 low energy/2.4 GHz RF SoC
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+50 ohm nominal input / conjugate match balun to nRF51422-QFAA,
+nRF24LE1, nRF51822-QFAA/AB, with integrated harmonic filter
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Yageo 2.4GHz
+WiFi/Bluetooth/Zigbee/ISM
+Chip Antenna
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Optical Sensor Ambient 550nm I2C
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ESP8266 WiFi Module
+https://www.mouser.com/ds/2/813/ESP8266ModuleV1-1095236.pdf
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Load switch, slew rate controlled. By Vishay
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+>NAME
+
+
+
+
+
+
+
+
+
+>NAME
+>VALUE
+
+
+
+
+
+
+
+
+
+
+
+
+>NAME
+>VALUE
+
+GND
+
+
+
+
+
+
+
+
+
+
+>NAME
+>VALUE
+
+
+
+
+2mmx1.6mm SMD Crystal
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+32.768kHz Crystal
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Tag Connect TC2030-IDC
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+>NAME
+>VALUE
+
+
+
+
+
+
+
+
+
+
+
+The TC2030-IDC-NL is our "No Legs" 6-pin Plug-of-Nails Cable
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+>NAME
+>VALUE
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Micro SD card holder with push-to-eject feature.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+>NAME
+>VALUE
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+>NAME
+>VALUE
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+>NAME
+>VALUE
+
+
+
+
+
+
+
+CARD_INSERTED
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+CONN MICRO SD R/A PUSH-PUSH SMD
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+<b>LAB11</b> - Switches.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+>NAME
+
+
+
+
+
+
+
+
+>NAME
+
+
+
+
+
+
+
+
+
+
+>NAME
+
+
+
+
+
+Push Button Switch
+
+
+
+
+
+
+
+
+
+
+>NAME
+
+
+
+
+
+
+
+
+Switch
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Tactile Switch SPST-NO Top Actuated Surface Mount
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+<b>Supply Symbols</b><p>
+ GND, VCC, 0V, +5V, -5V, etc.<p>
+ Please keep in mind, that these devices are necessary for the
+ automatic wiring of the supply signals.<p>
+ The pin name defined in the symbol is identical to the net which is to be wired automatically.<p>
+ In this library the device names are the same as the pin names of the symbols, therefore the correct signal names appear next to the supply symbols in the schematic.<p>
+ <author>Created by librarian@cadsoft.de</author>
+
+
+
+
+
+>VALUE
+
+
+
+
+
+>VALUE
+
+
+
+
+
+<b>SUPPLY SYMBOL</b>
+
+
+
+
+
+
+
+
+
+
+
+
+<b>SUPPLY SYMBOL</b>
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+<h3>SparkFun Electronics' preferred foot prints</h3>
+In this library you'll find non-functional items- supply symbols, logos, notations, frame blocks, etc.<br><br>
+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.
+<br><br>
+<b>Licensing:</b> Creative Commons ShareAlike 4.0 International - https://creativecommons.org/licenses/by-sa/4.0/
+<br><br>
+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.
+
+
+
+
+
+>VALUE
+
+
+
+
+
+<b>SUPPLY SYMBOL</b>
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Built for the MPU-9250 using guidelines found in http://cds.linear.com/docs/en/packaging/Carsem%20MLP%20users%20guide.pdf
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+>NAME
+>VALUE
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+<b>MPU-9250</b><br />
+9DOF IMU
+
+
+
+
+>NAME
+>VALUE
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+NC pin 19. 2-6 & 14-17 not internally connected. May be used for PCB trace routing.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+>NAME
+
+
++
+-
+
+
+
+
+Electret microphone
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+SOT23-5 landing pad. Adapted from http://www.ti.com/lit/ds/symlink/opa322.pdf
+
+
+
+
+
+
+
+
+
+
+
+
+>NAME
+
+
+
+
+
+
+
+
+
+
+Op-Amp with V+ and V- connections
+
+
+
+
+
+
+
+
+>NAME
+V+
+V-
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+>VALUE
+
+
+
+
+
+<b>SUPPLY SYMBOL</b>
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+<b>LAB11</b> - Headers for pins and wires.
+
+
+
+>NAME
+>VALUE
+
+
+
+
+
+Test point.
+
+
+>NAME
+
+
+
+
+0.040in Test Point
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
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+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Headers
+
+Headers
+Electron headers
+SD Card Adapter
+Note: GPIO choices are arbitrary
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
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+
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+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
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+
+
+
+
+
+
+
+
+
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+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
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+
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+
+
+
+
+
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+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+GPS and WiFi Radios
+
+GPS and WiFi Radios
+GPS
+WiFi
+LNA
+SAW
+GPS
+https://www.u-blox.com/sites/default/files/MAX-8-M8-FW3_HardwareIntegrationManual_%28UBX-15030059%29.pdf
+https://cdn.sparkfun.com/datasheets/Wireless/WiFi/ESP8266ModuleV1.pdf
+
+
+
+
+
+
+
+
+
+
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+
+
+
+
+
+
+
+
+
+
+
+BLE Radio
+
+BLE Radio
+BLE Radio
+JTAG Connection
+Reset
+Switch
+Note: Pin choices are arbitrary
+
+
+
+
+
+
+
+
+
+
+
+
+
+
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+
+
+
+
+
+
+
+
+
+
+
+Sensors
+
+Sensors
+Analog Microphone
+Accelerometer/Magnetometer
+Light Sensor
+I2C Address: 0x44
+http://www.ti.com/lit/ug/tidu765/tidu765.pdf
+XXX: Check PCB layout section of TI doc
+I2C Address: 0x68
+
+
+
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+which will not be processed correctly with this version.
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+Since Version 8.2, EAGLE supports online libraries. The ids
+of those online libraries will not be understood (or retained)
+with this version.
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