1) The document discusses using Python for internet of things (IOT) programming and serverless computing. 2) It covers topics like IOT architecture, message queueing protocols like MQTT, interfaces like GPIO, and developing voice skills for assistants using Alexa and Google Home. 3) Examples of smart home and health applications are provided along with code demos of setting up IOT systems and serverless APIs.

1. Internet of Python
IOT programming
with python
and serverless computing
HydPy Meetup | Hyderabad | February 2019
@Sonal Raj

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3. Your Logo Here 3

4. THE SCOPE
4
Internet
Of Things
Serverless
Computing
$186.54
$704.78
$191.01
$189.31
Python
Integration
Create
Applications
Ideas

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Internet of Things Serverless Python Create Ideas
… Enable things to connect with back-end systems that support your
ability to act on the data …. Build a central nervous system that
connects data insights to organizational (or individual) response….
IBM on IOT

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Internet of Things Serverless Python Create Ideas
Senses

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Your location
Your state of motion and
direction
Orientation of the
device
Ambience or light in the
room
Proximity to a surface
Can listen to what you
say
See things in front and
behind it.
Transfer Info over a wireless
network

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Raspberry Pi 3B+ Arduino PLC / PAC

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How does a basic IOT
system really look like?

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Internet Enabled
Support for Digital Assistants
Smart phone Controlled
Programmable APIs

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Architecture

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Smart Homes

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Smart Cities

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Serverless Computing

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Image Source: Amazon Web Services

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Event Triggers
Image Source: Amazon Web Services

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• No provisioning or management of infrastructure
• Automatic Scaling
• Pay per use / No Idle Capacity
• Automatic Implied Availability and Scalability
So, why Serverless?

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Serverless Providers

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The how it works?

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Static Websites, Web Apps,
Flask Packages
Backend Apps and Services,
Mobile and IOT
Data Processing in Real Time,
Batch or MapReduce
Creating logic for chatbots
Voice enabled apps and skills
in Alexa assistants
Automation of Services and
Infrastructure management
Applications

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What can we do with Python?

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MESSAGE QUEUEING
TELEMETRY TRANSPORT

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• Machine to Machine connectivity protocol
• Lightweight Publish / Subscribe
• Small Footprint and low bandwidth
• The MQTT protocol is based on TCP/IP.
Topics - series of levels separated by slashes
house/alarm/status
house/alarm/zone
house/camera/capture house/camera/#
house/camera/newpicture house/camera/+

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Messages
FFFFF11000 # Float device identifier
2-1235489698.jpg
Quality of Service
0 – best effort
1 – deliver at least once
2 – exactly once delivery
Security
Userid / deviceid / passwords
TLS / Certificate
Clients
Paho-mqtt (https://pypi.org/project/paho-mqtt/)
IOT Services
IBM bluemix
AWS-IOT
AZURE-IOT
Brokers
Mosquitto (Python)
Mosca (NodeJS)

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• Easy Portable Interface for working with sensors and actuators
• Low level Interface
• Access and manipulate the basic I/O capabilities of a platform
• Translation layer on top of the Linux GPIO
• Platform Agnostic APIs
• Written in C, but has binding for many languages including Python!

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Micropython

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A Flask extension that has wrappers for the
common constructs for the alexa skills API.
• Has decorators to map Alexa requests and intent slots to view functions
• Helps construct ask and tell responses, re-prompts and cards
• Makes session management easy
• Allows for the separation of code and speech through Jinja templates
• Verifies Alexa request signatures

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Go through some smart home
application code
Setup a serverless API using
AWS Lambda functions
Creating an echo skill for voice
control
Internet of Things Serverless Python Create Ideas

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Smart Home Applications
Code Demo
Internet of Things Serverless Python Create Ideas

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Setting up and Configuring
Serverless Lambda Functions
on AWS Demo
Internet of Things Serverless Python Create Ideas

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Create an echo assistant skill
and deploy demo
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“Alexa, ask Zomato for the nearest [restaurantType]”
Invocation Name
Slot
Utterance
Intent
What a user must say to
“start” the skill. Each
skill has a unique
Invocation Name
A variable within an
utterance. Variable
possibilities must be
defined.
The spoken message is
mapped to an intent which
decides what code to run
within your skill.
A spoken phrase that
maps to an intent. A
skill can have many
utterances.

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Interface
Service
Interaction Model
Utterances
Internet of Things Serverless Python Create Ideas

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Echosim.io
Simulator

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AlexaBot
https://github.com/jacobajit/AlexaBot

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https://goo.gl/UEzRGo
Google Assistant on Your
Amazon Echo
Internet of Things Serverless Python Create Ideas

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Using data from fitness trackers . . .
• Continuous HR data – detect spikes, stroke patterns, anxiety
• Calorie estimation from step count, and alert when you need to eat.
• Alerting triggers based on thresholds
• Create APIs to connect other devices like glucometers, and Blood
Pressure monitors.
• Publish data to a central store, with web visualization support.
Internet of Things Serverless Python Create Ideas

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• Interactive Social Networks
• Interactive Idea boards
• Voice Gaming
• Crisis Alerting
• Office Integration – Meeting room bookings, etc.
• Always aware state!! ( Creepy!! )
The Future

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Smart
Problems!

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Headed
here….

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THANKS!!
Questions??