The power of node.js (with quadcopters)

Presentation given at øredev.

Transcript

1. felixge
   The Power of Node
   Felix Geisendörfer
   

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2. @felixge
   felixge
   Background
   2005 - 2008 2008 - now 2009 - now
   

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3. @felixge
   felixge
   npm modules
   

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4. @felixge
   felixge
   Audience
   • Heard of node.js?
   • Used node.js for something?
   • Node in production?
   

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5. felixge
   This Talk
   

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6. @felixge
   felixge
   This Talk
   • Write a node.js app
   • Deploy & run it in production
   • Ask me anything
   

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7. felixge
   The App
   

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8. @felixge
   felixge
   Blog App
   

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9. Blog tutorials are insanely
   boring and nobody should
   have to suffer through one
   of them again.
   Ever.
   

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10. @felixge
    felixge
    Robotics App
    

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11. felixge
    Why?
    

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12. @felixge
    felixge
    Benefits of robotics example apps
    • A small distributed system
    • Production environment
    • Many interesting aspects / challenges
    

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13. felixge
    The Robot
    

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14. @felixge
    felixge
    Parrot AR Drone 2.0
    

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15. felixge
    The Specs
    

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16. @felixge
    felixge
    The Specs
    • WiFi (b/g/n) Router
    • 1 GHz 32Bit ARM Cortex A8 processor
    • 125 MB DDR2 Memory
    • Linux 2.6.32 you can telnet into it (Busybox)
    • 720p front facing camera (30 FPS)
    • 240p vertical camera (60 FPS)
    • USB 2.0 connector
    

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17. @felixge
    felixge
    The Specs
    • 3 axis gyroscope (2000°/second precision)
    • 3 axis accelerometer (+-50mg precision)
    • 3 axis magnetometer (6° precision)
    • Pressure sensor (+-10 Pa precision)
    • Ultrasound sensors
    • Fully reparable - all components can be ordered
    

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18. @felixge
    felixge
    Safety Warnings
    • Don’t be fooled, all drones want to kill people
    • The protection hull did not fit in my suitcase
    

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19. felixge
    Let’s fly it
    

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20. felixge
    Let’s program it
    

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21. @felixge
    felixge
    Plan
    • REST API to control the drone
    • GET /sensors
    • PUT /control
    

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22. felixge
    
    

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23. felixge
    
    

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24. felixge
    

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25. felixge
    3395,- SEK
    http://www.parrotshopping.com
    

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26. @felixge
    felixge
    The Node Copter
    

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27. @felixge
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    The Node Copter
    +
    

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28. @felixge
    felixge
    Berlin, Oct 5th
    

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29. @felixge
    felixge
    Berlin, Oct 5th
    

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30. @felixge
    felixge
    Berlin, Oct 5th
    

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31. @felixge
    felixge
    NodeCopter Worldwide
    • Dublin, Oct 20th
    • San Francisco, Oct 31st
    • Seattle, Nov 8 - 9
    • Brighton, Nov 11
    • ...
    

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32. felixge
    Summer of Drones
    June 2013
    http://nodecopter.com/
    

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33. felixge
    That’s it
    Felix Geisendörfer
    

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34. felixge
    Ask me anything
    Felix Geisendörfer
    

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35. felixge
    Thank You
    Felix Geisendörfer
    

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