Slide 1
Slide 1 text
@JoeKarlsson1
IoT
and
JS(?!)
A Gentle
Introduction to the
Internet of Things
@JoeKarlsson1
Slide 2
Slide 2 text
@JoeKarlsson1
Joe Karlsson
@JOEKARLSSON1
@JOEKARLSSON
JOEKARLSSON.COM
Slide 3
Slide 3 text
@JoeKarlsson1
How is this going to work?
@JoeKarlsson1
Slide 4
Slide 4 text
@JoeKarlsson1
What
the
heck
is
IoT?
@JoeKarlsson1
Slide 5
Slide 5 text
@JoeKarlsson1
A network of devices that
have an IP address and can
communicate with each other
over the internet
@JoeKarlsson1
Slide 6
Slide 6 text
@JoeKarlsson1
It’s just the
internet, but
with “things”
on it
@JoeKarlsson1
Slide 7
Slide 7 text
@JoeKarlsson1
…so what
is a
“thing?”
@JoeKarlsson1
Slide 8
Slide 8 text
@JoeKarlsson1
@JoeKarlsson1
Slide 9
Slide 9 text
@JoeKarlsson1
Smart Home
Home Security
Smart Appliances
Smart Light Bulbs
Smart Outlets
Nest Thermostat
@JoeKarlsson1
Slide 10
Slide 10 text
@JoeKarlsson1
Automated Manufacturing
Humidity Sensor
Motion Sensor
Remote Monitoring
Smart Delivery
Temperature Sensor
@JoeKarlsson1
Slide 11
Slide 11 text
@JoeKarlsson1
Wearables
Smart Water Bottle
Fitbit
Breathing Sensor
Smart Running Shoes
Lumo Run Shorts
@JoeKarlsson1
Slide 12
Slide 12 text
@JoeKarlsson1
@JoeKarlsson1
Slide 13
Slide 13 text
@JoeKarlsson1
Slide 14
Slide 14 text
@JoeKarlsson1
IoT
Lifecycle
Collect
Communicate
Analyze
Act
@JoeKarlsson1
Slide 15
Slide 15 text
@JoeKarlsson1
A company is an association or collection
of individuals, whether natural persons,
legal persons, or a mixture of both.
Company members share a common
purpose and unite in order to focus their
various talents and organize their
collectively available skills or resources to
achieve specific, declared goals.
Collect
Devices and sensors collect data
@JoeKarlsson1
Slide 16
Slide 16 text
@JoeKarlsson1
A company is an association or collection
of individuals, whether natural persons,
legal persons, or a mixture of both.
Company members share a common
purpose and unite in order to focus their
various talents and organize their
collectively available skills or resources to
achieve specific, declared goals.
Communicate
Data and events sent through the network
Data Center
The Cloud Home Router
@JoeKarlsson1
Slide 17
Slide 17 text
@JoeKarlsson1
A company is an association or collection
of individuals, whether natural persons,
legal persons, or a mixture of both.
Company members share a common
purpose and unite in order to focus their
various talents and organize their
collectively available skills or resources to
achieve specific, declared goals.
Analyze
Computers analyzes the incoming data
Run Reports
Home Router
Machine Learning View Reports
@JoeKarlsson1
Slide 18
Slide 18 text
@JoeKarlsson1
A company is an association or collection
of individuals, whether natural persons,
legal persons, or a mixture of both.
Company members share a common
purpose and unite in order to focus their
various talents and organize their
collectively available skills or resources to
achieve specific, declared goals.
Act
Taking action based on the data
Send a notification
Communicate with
another machine Stream
@JoeKarlsson1
Slide 19
Slide 19 text
@JoeKarlsson1
Why does IoT Matter?
Source: https://www.statista.com/statistics/471264/iot-number-of-connected-devices-worldwide/
@JoeKarlsson1
Slide 20
Slide 20 text
@JoeKarlsson1
IoT
+
JS(?!)
@JoeKarlsson1
Slide 21
Slide 21 text
@JoeKarlsson1
JS is a
great
choice
for new
devs
Other low level
programming
languages can be
difficult to develop
@JoeKarlsson1
Slide 22
Slide 22 text
@JoeKarlsson1
Why Node?
58 percent of
respondents that
identified as
IoT developers use
Node
Source: https://nodejs.org/en/blog/announcements/nodejs-foundation-survey/
@JoeKarlsson1
Slide 23
Slide 23 text
@JoeKarlsson1
Easy to
update
over a
network
@JoeKarlsson1
Slide 24
Slide 24 text
@JoeKarlsson1
The
internet
already
speaks JS
@JoeKarlsson1
Slide 25
Slide 25 text
@JoeKarlsson1
Tons of
existing
libraries,
plugins
and APIs
@JoeKarlsson1
Slide 26
Slide 26 text
@JoeKarlsson1
Cylon.js Johnny-Five
https://cylonjs.com/ http://johnny-five.io/
@JoeKarlsson1
Slide 27
Slide 27 text
@JoeKarlsson1
JS is great
at handling
event-driven
apps
@JoeKarlsson1
Slide 28
Slide 28 text
@JoeKarlsson1
@JoeKarlsson1
Slide 29
Slide 29 text
@JoeKarlsson1
@JoeKarlsson1
Slide 30
Slide 30 text
@JoeKarlsson1
It got dark in here
@JoeKarlsson1
Slide 31
Slide 31 text
@JoeKarlsson1
Can you turn yourself on?
@JoeKarlsson1
Slide 32
Slide 32 text
@JoeKarlsson1
I turned myself on
@JoeKarlsson1
Slide 33
Slide 33 text
@JoeKarlsson1
plz turn yourself off
@JoeKarlsson1
Slide 34
Slide 34 text
@JoeKarlsson1
I turned myself off
@JoeKarlsson1
Slide 35
Slide 35 text
@JoeKarlsson1
Events
reduce
the cost
of
listening
for the
device
@JoeKarlsson1
Slide 36
Slide 36 text
@JoeKarlsson1
Let’s jump
into
something
practical
@JoeKarlsson1
Slide 37
Slide 37 text
@JoeKarlsson1
IoT Morse Code
Machine
The future of Morse Code
Slide 38
Slide 38 text
@JoeKarlsson1
@JoeKarlsson1
Slide 39
Slide 39 text
@JoeKarlsson1
1 x Raspberry Pi 3 Model B
1 x Breadboard
1 x 68 Ohms Resistor
What Materials Do We Need?
1 x LED
2 x Female to Male Wires
Slide 40
Slide 40 text
@JoeKarlsson1
Raspberry Pi
@JoeKarlsson1
Slide 41
Slide 41 text
@JoeKarlsson1
Small and
amazingly
capable,
credit card size
$35
computer
@JoeKarlsson1
Slide 42
Slide 42 text
@JoeKarlsson1
Install Node on
your Pi
Find tips here:
https://www.losant.com/blog/how-to-install-nodejs-on-raspberry-pi
@JoeKarlsson1
Slide 43
Slide 43 text
@JoeKarlsson1
@JoeKarlsson1
Slide 44
Slide 44 text
@JoeKarlsson1
General Purpose
Input/Output
Pins [GPIO]
Can be used to interact
in with the real world
@JoeKarlsson1
Slide 45
Slide 45 text
@JoeKarlsson1
@JoeKarlsson1
Slide 46
Slide 46 text
@JoeKarlsson1
Output Pins
Switches that the
Raspberry Pi can turn on
or off
@JoeKarlsson1
Slide 47
Slide 47 text
@JoeKarlsson1
Input Pins
Switches that you can turn on
or off from the outside world
@JoeKarlsson1
Slide 48
Slide 48 text
@JoeKarlsson1
Great Overview
of the GPIO Pins
on Wikipedia
@JoeKarlsson1
Source: https://en.wikipedia.org/wiki/Raspberry_Pi#General_purpose_input-output_(GPIO)_connector
Slide 49
Slide 49 text
@JoeKarlsson1
@JoeKarlsson1
Slide 50
Slide 50 text
@JoeKarlsson1
onoff
npm package for interacting
with GPIO
@JoeKarlsson1
Slide 51
Slide 51 text
@JoeKarlsson1
Breadboard
A breadboard is used
for prototyping
electronics
@JoeKarlsson1
Slide 52
Slide 52 text
@JoeKarlsson1
@JoeKarlsson1
Slide 53
Slide 53 text
@JoeKarlsson1
@JoeKarlsson1
Slide 54
Slide 54 text
@JoeKarlsson1
@JoeKarlsson1
Slide 55
Slide 55 text
@JoeKarlsson1
LED Resistors
Resistors are
used to reduce
current, adjust
signal levels,
etc.
A diode that
emits light
when a voltage
is applied to
it.
@JoeKarlsson1
Slide 56
Slide 56 text
@JoeKarlsson1
@JoeKarlsson1
Slide 57
Slide 57 text
@JoeKarlsson1
@JoeKarlsson1
Slide 58
Slide 58 text
@JoeKarlsson1
Building
a circuit
@JoeKarlsson1
Slide 59
Slide 59 text
@JoeKarlsson1
@JoeKarlsson1
Code: https://github.com/JoeKarlsson/IoT-Morse-Code-Demo
Slide 60
Slide 60 text
@JoeKarlsson1
@JoeKarlsson1
Slide 61
Slide 61 text
@JoeKarlsson1
@JoeKarlsson1
Slide 62
Slide 62 text
@JoeKarlsson1
@JoeKarlsson1
Slide 63
Slide 63 text
@JoeKarlsson1
@JoeKarlsson1
Slide 64
Slide 64 text
@JoeKarlsson1
IoT Morse Code
Machine
Slide 65
Slide 65 text
@JoeKarlsson1
Smaller and
more
powerful
devices
\
Better
Hardware
support
JS with a
smaller
footprint
Batteries will
become the
bottleneck
The Future of JS + IoT?
@JoeKarlsson1
Slide 66
Slide 66 text
@JoeKarlsson1
Do you
want to
be an
IoT and
JS
master?
@JoeKarlsson1
Slide 67
Slide 67 text
@JoeKarlsson1
Just do it!
@JoeKarlsson1
Slide 68
Slide 68 text
@JoeKarlsson1
Magic Mirror
@JoeKarlsson1
Slide 69
Slide 69 text
@JoeKarlsson1
IoT is exploding
Raspberry Pi’s use GPIO to interact with the real world
JS is a great choice for IoT
Easy to update apps
Internet already speaks JS
Great supporting libraries
JS excels at event-driven apps
Start with a small project and jump in and learn as you go!
Slide 70
Slide 70 text
@JoeKarlsson1
Questions?
@JoeKarlsson1
Slide 71
Slide 71 text
@JoeKarlsson1
Thank
You!
@JoeKarlsson1
Slide 72
Slide 72 text
@JoeKarlsson1
Let’s Stay In Touch
@JOEKARLSSON1
@JOEKARLSSON
JOEKARLSSON.COM
Slide 73
Slide 73 text
@JoeKarlsson1
•Code - https://github.com/JoeKarlsson/IoT-Morse-Code-Demo
•Programming the Internet of Things Using Node.js* and HTML5 (PDF) -
6/23/2015
•Losant: Node.js and The Internet of Things - 1/30/2016
•Embedded JavaScript, HTML5 and the Internet of Things - Jesse Cravens
•Creating the Internet of Things with JavaScript - Tom Hughes-Croucher
•A language for the Internet: Why JavaScript and Node.js is right for Internet
Applications - Tom Hughes-Croucher
•Video: Realtime Hardware with Node.js - Emily Rose
•Getting Physical: Networked Hardware with Node.js - Ted Hayes
•Video: My Sensors Love Node.js - Ward Cunningham
•How To Electrocute Yourself using the Internet - Alexander Roche A talk
about the Internet of things, Arduino and JavaScript frameworks including
BreakoutJS and Johnny-Five
•An Internet Of Things System – How To Build It Faster - Matteo Collina
•Hardware Hacking With JavaScript - Feb 26th
•HTML5 Powered Internet Of Things Products - Clickside - 10/21/2014
Additional Resources
@JoeKarlsson1
Slide 74
Slide 74 text
@JoeKarlsson1