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Michael Dawson
December 2015
Home Automation with Node
and MQTT
About Michael Dawson
Loves the web and building software
2
Senior Software Developer @ IBM
22 years development experience
10 years in runtime development
Contact me:
Michael_dawson@ca.ibm.com
Twitter: @mhdawson1
https://www.linkedin.com/pub/michael-dawson/2/128/605
3
• Internet of Things (IoT)
• network of physically connected devices (things)
• devices provide data
• devices can be controlled
• https://en.wikipedia.org/wiki/Internet_of_Things
• MQTT (MQ Telemetry Transport)
• lightweight publish/subscribe
• small footprint
• low bandwidth (minimum size is 2 bytes)
• From http://mqtt.org/
• “MQTT is a machine-to-machine (M2M)/"Internet of Things" connectivity protocol”
Introduction
Async
4
• Topics - series of topic levels separated by ‘/’
• Messages
• QoS 0 – best effort, 1 – deliver at least once, 2 – deliver exactly once
MQTT
house/alarm/status
house/alarm/zone
house/camera/capture
house/camera/newpicture
house/camera/+
FFFFF11000
2-1433990729.jpg
house/2262/1
house/2262/2
home/2272
house/2262/#
5
• Security
• deviceid/userid/password
• TLS/Certificates
• Clients
• https://www.npmjs.com/package/mqtt
• Paho - http://www.eclipse.org/paho/
• Brokers
• Mosca https://www.npmjs.com/package/mosca
• Mosquitto - http://mosquitto.org/
• IoT Services – ex bluemix
MQTT
6
• Approach
• Glue devices together with MQTT
• Control/Smarts in Node
• Open Source
• https://github.com/mhdawson/HomeAlarm
• https://github.com/mhdawson/PI433WirelessTXManager
• https://github.com/mhdawson/PI433WirelessRecvManager
• https://github.com/mhdawson/PIWebcamServer
• https://github.com/mhdawson/PI433-RX-TX-Temp-board (Hardware)
• https://github.com/mhdawson/HouseDashboard
• https://github.com/mhdawson/PILocalTemp
Home Automation with MQTT and Node
Home Automation with MQTT and Node - Alarm
7
USB
433 MHz
docker
MQTT(mosquito)
docker
HTTP(apache2)
docker/bluemix
Alarm(Node)
SCP
Browser
HTTPs
HTTPs
+
Websockets
MQTT
+
SSL/TLS
PI443-TX
PI443-RX
PIWebcam
TwillioSMS
Node + MQTT =
8
Receive
Send
Interacting with the Physical World
9
RX
TX
Interacting with the Physical World
10
zone=house/2262/1:3:front door
zone=house/2262/2:4:patio door
zone=house/2262/3:2:motion living
zone=house/2262/4:1:motion hall
zone=house/2262/5:5:fire
Interacting with the Physical World
11
Notification and Reporting
12
Notifications and Reporting - SMS
13
Deploy your own for free
14
Node Broker Webserver
Copyrights and Trademarks
© IBM Corporation 2015. All Rights Reserved
IBM, the IBM logo, ibm.com are trademarks or registered
trademarks of International Business Machines Corp.,
registered in many jurisdictions worldwide. Other product and
service names might be trademarks of IBM or other companies.
A current list of IBM trademarks is available on the Web at
“Copyright and trademark information” at
www.ibm.com/legal/copytrade.shtml
Node.js is an official trademark of Joyent. IBM SDK for Node.js is not formally
related to or endorsed by the official Joyent Node.js open source or
commercial project.
Java, JavaScript and all Java-based trademarks and logos are trademarks or
registered trademarks of Oracle and/or its affiliates.

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Node home automation with Node.js and MQTT

  • 1. Michael Dawson December 2015 Home Automation with Node and MQTT
  • 2. About Michael Dawson Loves the web and building software 2 Senior Software Developer @ IBM 22 years development experience 10 years in runtime development Contact me: Michael_dawson@ca.ibm.com Twitter: @mhdawson1 https://www.linkedin.com/pub/michael-dawson/2/128/605
  • 3. 3 • Internet of Things (IoT) • network of physically connected devices (things) • devices provide data • devices can be controlled • https://en.wikipedia.org/wiki/Internet_of_Things • MQTT (MQ Telemetry Transport) • lightweight publish/subscribe • small footprint • low bandwidth (minimum size is 2 bytes) • From http://mqtt.org/ • “MQTT is a machine-to-machine (M2M)/"Internet of Things" connectivity protocol” Introduction Async
  • 4. 4 • Topics - series of topic levels separated by ‘/’ • Messages • QoS 0 – best effort, 1 – deliver at least once, 2 – deliver exactly once MQTT house/alarm/status house/alarm/zone house/camera/capture house/camera/newpicture house/camera/+ FFFFF11000 2-1433990729.jpg house/2262/1 house/2262/2 home/2272 house/2262/#
  • 5. 5 • Security • deviceid/userid/password • TLS/Certificates • Clients • https://www.npmjs.com/package/mqtt • Paho - http://www.eclipse.org/paho/ • Brokers • Mosca https://www.npmjs.com/package/mosca • Mosquitto - http://mosquitto.org/ • IoT Services – ex bluemix MQTT
  • 6. 6 • Approach • Glue devices together with MQTT • Control/Smarts in Node • Open Source • https://github.com/mhdawson/HomeAlarm • https://github.com/mhdawson/PI433WirelessTXManager • https://github.com/mhdawson/PI433WirelessRecvManager • https://github.com/mhdawson/PIWebcamServer • https://github.com/mhdawson/PI433-RX-TX-Temp-board (Hardware) • https://github.com/mhdawson/HouseDashboard • https://github.com/mhdawson/PILocalTemp Home Automation with MQTT and Node
  • 7. Home Automation with MQTT and Node - Alarm 7 USB 433 MHz docker MQTT(mosquito) docker HTTP(apache2) docker/bluemix Alarm(Node) SCP Browser HTTPs HTTPs + Websockets MQTT + SSL/TLS PI443-TX PI443-RX PIWebcam TwillioSMS
  • 8. Node + MQTT = 8 Receive Send
  • 9. Interacting with the Physical World 9 RX TX
  • 10. Interacting with the Physical World 10 zone=house/2262/1:3:front door zone=house/2262/2:4:patio door zone=house/2262/3:2:motion living zone=house/2262/4:1:motion hall zone=house/2262/5:5:fire
  • 11. Interacting with the Physical World 11
  • 14. Deploy your own for free 14 Node Broker Webserver
  • 15. Copyrights and Trademarks © IBM Corporation 2015. All Rights Reserved IBM, the IBM logo, ibm.com are trademarks or registered trademarks of International Business Machines Corp., registered in many jurisdictions worldwide. Other product and service names might be trademarks of IBM or other companies. A current list of IBM trademarks is available on the Web at “Copyright and trademark information” at www.ibm.com/legal/copytrade.shtml Node.js is an official trademark of Joyent. IBM SDK for Node.js is not formally related to or endorsed by the official Joyent Node.js open source or commercial project. Java, JavaScript and all Java-based trademarks and logos are trademarks or registered trademarks of Oracle and/or its affiliates.