The document describes a node-based home alarm system created by Michael Dawson as a personal project. It uses a Raspberry Pi along with various hardware components like 433 MHz sensors and webcams to monitor zones in a home. The system architecture involves Docker containers running Node.js for the alarm logic, MQTT for messaging, and Apache2 for the web server. It allows customizable interactions with the physical world and provides notification and reporting features like SMS alerts. The open source project code is available on GitHub for others to deploy their own alarm systems freely on platforms like Bluemix.

1. Michael Dawson
September 2015
Node On Guard !
A Node Based Home Alarm System

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
• A Personal Project – Alarm for our cottage
• Node Based Customizable IoT Home Alarm
• Make it do what you want !
• Not what somebody else decided for you
• When things go wrong you can fix it !
• Open source: https://github.com/mhdawson/HomeAlarm
• Hardware ($100)
• Raspberry Pi
• 433 MHz receiver/transmitters
• 433 sensors and actuators
• USB webcams
• IR illuminators
Introduction

4. Supporting Technology
4
• Docker
• Raspberry Pi
• Node
• C++
• Bash
• MQTT
• Websockets
• SMS
• TLS/SSL
• HTTP
• SCP
• fswebcam
• WiringPi
Execution Environments
Languages and runtimes
Protocols
Hardware Interface

5. Architecture
5
USB
433 MHz
docker
MQTT(mosquito)
docker
HTTP(apache2)
docker
Alarm(Node)
SCP
Browser
HTTPs
HTTPs
+
Websockets
MQTT
+
SSL/TLS
PI443-TX
PI443-RX
PIWebcam
TwillioSMS

6. Node + MQTT =
6
Receive
Send

7. Interacting with the Physical World
7
RX
TX

8. Interacting with the Physical World
8
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

9. Interacting with the Physical World
9

10. Notification and Reporting
10

11. Notifications and Reporting - SMS
11

12. Deploy your own for free
12
• Controller - Bluemix PaaS
• Bluemix container service
• mqtt server
• web server

13. Alarm in Action – Demo if time permits
13

14. Copyrights and Trademarks
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