Presentation I gave during Mobile Era 2016 in Oslo about IoT, Physical Web, Web Bluetooth and ARM mbed.

1. Building IoT devices
Mobile Era
4 November 2016
for fun and profit

2. @janjongboom
Developer Evangelist
Internet of Things

3. Developers

4. From the internet of humans to
the internet of devices

8. Who is making decisions
when it comes to IoT?

9. NO

11. Real life example - Telenor
▪ Big telecom company
▪ Owns 4,000 buildings in Norway
▪ Toilet cleaning schedule made by 'hand'
Less people neededAutomatic planningRealtime insight

12. Real life example - Telenor
▪ Big telecom company
▪ Owns 4,000 buildings in Norway
▪ Toilet cleaning schedule made by 'hand'
Less people neededAutomatic planningRealtime insight

13. Internet of Things is
sensors + data intelligence

14. Three problems
How to build smart devices?
How to discover devices?
How to interact with devices?

15. Discovering devices

16. Physical Web
Walk up and use anything

18. BLE beacons
31 bytes per packet
1 packet per second
7 years on an AA battery

19. Eddystone protocol

20. Movie poster
http://cinema/3281

23. Retail $4, Chipset $2

24. Interactivity

25. BLE is more than beacons
Battery service Heartrate service
Percentage
Capacity
Current HR
Max. detectable HR

26. Flying service
Direction and height characteristics

27. nRF Master Control Panel

32. Programming devices

33. One year on AA battery 0.137 mA
220 mARaspberry Pi 3 (idle)

34. microcontrollers
Pain to program against (C, ASM)
Little code re-use
No code sharing

35. (since 2009)
mbed

36. Online IDE
Code sharing
Hardware Abstraction Layer

37. > 100 boards supported
~200 staff working on it
1.3 mio compiles / month

39. nRF51822
Nordic Semiconductors

41. Developing for mbed
C / C++ (not as scary as it sounds)
Large set of libraries
Solid Bluetooth stack
https://developer.mbed.org/blog/entry/Bringing-JavaScript-to-mbed-OS/

43. One year on AA battery 0.137 mA
220 mARaspberry Pi 3 (idle)
0.020 mAmbed OS 5 beacon
Eddystone, 1s interval, lowest power mode

44. Let's build some demo's!

45. Get hacking!

46. Thank you!
http://janjongboom.com
@janjongboom

47. Links
• Juggling demo: https://github.com/web-bluetooth/juggling
• Lights demo: https://github.com/janjongboom/codefest-ru
• Google Eddystone lib: https://github.com/roywant/EddystoneBeacon
• JavaScript on mbed:
https://developer.mbed.org/blog/entry/Bringing-JavaScript-to-mbed-OS/
• mbed Developer site: http://developer.mbed.org