Andevcon Wearables Workshop Notes

Andevcon Metawear wearables workshop notes and example code

Transcript

1. Introductions
   

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2. Twitter @lgleasain
   Github lgleasain
   www.lancegleason.com
   www.polyglotprogrammincinc.com
   lgleason@polyglotprogramminginc.com
   

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9. http://www.polyglotprogramminginc.com/purr-
   programming-2-0/
   

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12. Software
    

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13. Options
    

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15. Pros
    •Extensible
    •Common Pinouts
    

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16. Cons
    • Impossible to create a at
    scale prototype
    • Many extensions overkill for
    wearables
    

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18. Pros
    • Inexpensive
    • Available GPS Module
    • Low Power
    • Aduino Based
    • Lots of Support
    

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19. Cons
    • No easy way to integrate Bluetooth
    or Wifi
    • Requires a physical connection to
    get data
    • Things like an accelerometer require
    a separate component
    

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24. Features
    • Bluetooth Support
    • Robust API for Android and IOS
    • Built in Sensors (temperature,
    accelerometer etc.)
    • Built in support for rechargeable
    batteries
    

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25. Specs
    • ! Nordic Semiconductor nRF51822 BLE SoC
    • ! 2.4 GHz transceiver
    • ! ARM®Cortex™-M0 32 bit processor
    • ! 256 kB flash program memory
    • ! 16 kB RAM
    • ! 8/9/10 bit ADC
    

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26. Specs Continued
    • Accelerometer
    • Temperature Sensor
    • Push Button Switch
    • Bright LED
    • Driver for vibration motor
    • micro usb chargable
    • I2C bus, and support for 4 digital/analog and 4 digital pins
    

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29. Cons
    • Really Small
    • Tough to write custom drivers
    • Proprietary
    

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31. Bluetooth
    • Same Frequency range as
    2.4 Gigahertz Wifi
    • 79 Channels VS 13
    • Less Throughput
    

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32. Bluetooth LE
    • Always off
    • Less Throughput
    • Often lower transmit power
    • Designed for low data low power
    Applications
    

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35. IOS
    • IPad 3rd Generation or better
    • Iphone 4S or greater
    

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36. Android
    • Bluetooth 4.0 supported radio
    • Android 4.3 or greater
    

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40. https://github.com/lgleasain/AnDevConMetawearProject
    Code From the Workshop Can be Found Here
    Workshop Notes are in this Document
    https://docs.google.com/document/d/
    1l8iPdJ_GmFaXjXoWMl_1G9szQYIC69217OYvBb_Sizk/edit?
    usp=sharing
    Information on the Metawear Boards can be Found at
    http://www.mbientlab.com
    

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41. Twitter @lgleasain
    Github lgleasain
    www.lancegleason.com
    www.polyglotprogrammincinc.com
    lgleason@polyglotprogramminginc.com
    

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