A selection of MQTT hacks from around the community

1. MQTT hacks for fun Andy Piper
and… err… fun! @andypiper
or, “on the Interconnectedness of All Things”

2. Developer Advocate @ Cloud Foundry
social web enthusiast
maker, educator, LEGO fan
OSS supporter / contributor
Eclipse Committer (Paho / MQTT), mqtt.org
London IoT, Green Hackathon, Home Camp, Cleanweb etc
@andypiper
apiper@vmware.com
a few things about me

3. the instrumented world | online people, online objects

4. “protocol soup” devices, formats, networks

5. History and background limitations of industrial deployment

6. memory, processing, network

7. Publish / Subscribe

9. MQTT != HTTP
comparing protocols

10. Data-centric Simple Lightweight
e
Distribution QoS Embeddabl

11. … so it’s super-efficient for mobile!

12. code!

14. home hackers and makers - developers are king

16. Device integration Arduino and prototyping

17. http://chris.yeoh.info/?p=188

18. “Now, you may wonder why I
would want 20 rubber ducks to
flash when my phone goes off…
there is no scientific or technical
reason in itself. I just had a Mini
Cooper’s worth of rubber ducks
sitting around, unemployed.”
- Chris Phillips

19. “It all started with the
seemingly simple
question – “How can I
water the garden
without leaving my
laptop/phone/sofa using
tech?”
- Dan Fish
http://www.ossmedicine.org/home_automation/arduino/12/watering-the-garden-oss-style-a-year-with-some-open-hardware/

20. b
“Kevin already had the headset hooked
up to MQTT, so it would be trivial to use
my Arduino MQTT library to get them all
talking.”
- Nick O'Leary
http://knolleary.net/2010/04/22/how-i-got-onto-prime-time-bbc-one/

21. More random-but-cool schtuffs
• File sync over MQTT?
http://mquin.livejournal.com/177855.html
• Desktop notifications
http://ceit.uq.edu.au/content/mqtt-and-growl and http://chemicaloliver.net/programming/first-steps-
using-python-and-mqtt/
• Web thermometers
http://chemicaloliver.net/internet/mqtt-and-websocket-thermometer-using-the-html5-meter-tag/
• Digital-to-analogue readouts
http://chemicaloliver.net/arduino/mqtt-and-ammeters/
• LEGO microscope control
http://eprints.soton.ac.uk/45432/

22. instrumented cheese...

24. Smart Energy

25. Improving healthcare

26. ?

27. Try it
http://mqtt.org
http://mosquitto.org
http://eclipse.org/paho
http://m2m.eclipse.org
http://test.mosquitto.org
Github commit hooks, radio feeds, ActiveMQ, elwix,
node.js, Ruby, Arduino, mbed, home automation...

28. pāho (verb) to broadcast,
make widely known, announce,
disseminate, transmit.
(via the Maori dictionary)
C client
Java client Eclipse View
testing “sandbox”

29. +
AMQP MQTT

30. run OpenWRT & Mosquitto on a
MQTT nanorouter! TP-Link TL-WR703N

31. Connect
http://mqtt.org
@mqttorg
@andypiper
http://andypiper.co.uk
http://slideshare.net/andypiper

32. Image credits
• Construct (cover) http://www.flickr.com/photos/stewdean/18717400/
• Ferry http://www.flickr.com/photos/tipsfortravellers/3657960168/
• Others author’s own, or royalty-free and CC-licensed works
from sxc.hu, Flickr and Wikimedia Commons