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Mike Branstein – Director, Application Development@mikebransteinmikeb@kizan.com

Internet of Things (IoT)

Workshop

2

Welcome@mikebranstein@kizantech#iotmikeb@kizan.com

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• You rarely get the chance to practice for practice’s sake• IoT and cloud architecture/development patterns can be

confusing and are frankly “new” to many of us• It’s not what’s going to change, it’s when – and the answer is likely

yesterday

• Today• The Internet of Things (IoT)• Cloud architecture• See an end-to-end solution• Hands-on practice• Get excited or inspired

Practice Makes Perfect

4

IoT: The Internet of Toasters Things

5Source: Oxford Ditionary

Internet of thingsnoun A proposed development of the Internet in which everyday objects have network connectivity, allowing them to send and receive data.

What is the Internet of Things?

Source: Cisco & Internet World Stats, sourced and created by Nick Landry 10

How Big is Big?

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The cool stuff.

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Common IoT Devices & Platforms

19Source: Nick Landry

• Full single-board computer with SoC• Average cost: $30 to $45• Model A, A+, B, B+ and Raspberry Pi 2 B,

3, Zero• Runs Linux – flavor of Debian called

Raspbian• http://www.raspbian.org

• Huge accessory selection• Programmable

• Python• (Mono), etc.

• 5+ million units sold in 3 years of manufacture, technically the largest computer manufacturer in UK!

Raspberry Pi

21Source: Nick Landry

• Windows 10 is on Raspberry Pi 2 and 3!• http://windowsondevices.com

New Windows == More Fun!

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Demo: Windows 10 IoT Core

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The RPi can be powered either by the USB cable from the host PC or by an external DC power source (5V).

The RPi also has 5V, 3.3V and GND pins to supply voltages to your project components.

Raspberry Pi 2 Introduction

Source: Nick Landry

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• General Purpose Input/Output• Pin that can be controlled by

the user• Can be set to input or output • Input can be things like

temperature sensors, buttons, IR etc

• Output can be LEDs, Motors, LCDs etc

GPIO

Source: Nick Landry

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• 40 pins total• Pi Wedge organizes pins• 17 GPIO• 6x power• 5x SPI (Serial Peripheral

Interface) serial comm.• 2x UART, Tx (out) / Rx (in)

serial comm.• 4x I2C (comm. Protocol,

master/slave)

Pi Wedge Pin Out

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Breadboards offer a great way to prototype circuits. The provide a number of “buses” for connecting both power and components

Power buses run the entire horizontal length

Component buses (vertical) give you easy ways to connect pins together

Breadboards

Source: Nick Landry

IoT Hub

{“device”:”kizan-pi-01”, “tempC”:”25.5”, “tempF”:”77.9”}

The Lab Cloud IoT Architecture

Stream Analytics

Service BusTopic

Subscribe to Average TempTopic

Power BI

{“avgTempC”:”24.3”,“avgTempF”:”75.7”}

SQL Azure

Raw dataETL temp avgs

Service Bus

ETL temp avgs

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Lab 3 Temperature Sensor

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• Analog Temp. Sensor• Analog to Digital

Convertor (RPi 2 only reads digital signals, so we need a convertor from Analog to Digital)

• Capacitor (to reduce line noise)

Temperature Sensor Components

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• Red are Power and GRD• Analog/Digital

Convertor (1 set for the analog component, another for the digital component)

• Temperature Sensor

Powering the Circuit

38Customer & KiZAN confidential

• Serial Communications happen over 4 lines• Yellow• White• Blue• Green

• Yellow connects Temp sensor to the Convertor

Communicating with the RPi

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IoT Hub Placeholder and Azure IoT Hub Walkthrough

41Source: Nick Landry

The Enablers

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Cloud Overview: IaaS, PaaS, SaaS

Source: Nick Landry, Microsoft

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• PaaS is where you “should” want to be• Use the service, don’t do the plumbing• We’ve been doing the plumbing for a long time• Challenges

• Mapping exercise• Architect the

PaaS way or thehighway

Moving to PaaS

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Reference Cloud IoT Architecture

Source: Nick Landry, Microsoft

IoT Hub

{“device”:”kizan-pi-01”, “tempC”:”25.5”, “tempF”:”77.9”}

The Lab Cloud IoT Architecture

Stream Analytics

Service BusTopic

Subscribe to Average TempTopic

Power BI

{“avgTempC”:”24.3”,“avgTempF”:”75.7”}

SQL Azure

Raw dataETL temp avgs

Service Bus

ETL temp avgs

IoT Hub

{“device”:”kizan-pi-01”, “tempC”:”25.5”, “tempF”:”77.9”}

The Lab Cloud IoT Architecture

Stream Analytics

Service BusTopic

Subscribe to Average TempTopic

Power BI

{“avgTempC”:”24.3”,“avgTempF”:”75.7”}

SQL Azure

Raw dataETL temp avgs

Service Bus

ETL temp avgs

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Stream Analytics

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Standard Data Analysis• Your data already exists –

it’s all from the past or projections of the future

• You can aggregate everything

• Not real-time• Batch processing• Reactionary in nature

Data Analysis

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Streaming Data Analysis• Data arrives temporally • You can’t aggregate data all at once• Real-time• Data is grouped into different

windows

Data Analysis

• What is a data window?• What’s your data window?• Concept: arriving data as an “event”

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Tumbling Window Hopping Window

Source: MSDN and MSDN

• Tumbling Windows that overlap• Timeunit (minutes, seconds, etc.)• Windowsize (duration)• Hopsize (skip duration)

• Series of fixed-size, non-overlapping and contiguous time windows

Temporal Windowing

62Source: Microsoft

• Real-time stream processing in the cloud

• Real-time cloud-based ETL• Millions of events per second• Scale dynamically

What is Azure Stream Analytics?

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• Create Stream Analytics Job• Configure 1 or more Inputs and Outputs• Create Queries to ETL from Inputs to Outputs• Use SQL-like language

Making Cloud ETL Easy

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Demo Looking at a Stream Analytics Job

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73Customer & KiZAN confidential

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