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Creating a Sensor to Measure Ambient Light

In the previous chapter, you learned how to create a Universal Windows Platform application and execute it on the Raspberry Pi. You also learned how to do basic I/O with your Arduino board and connected peripherals.

In this chapter, we'll focus more on how to build a real sensor firmware, and prepare it for use in the Internet of Things. The chapter covers:

Sampling
Error correction
Physical quantities
Basic statistics
Data persistence

Key benefits

• Design and implement state-of-the-art solutions for the Internet of Things

• Build complex projects using motions detectors, controllers, sensors, and Raspberry Pi 3

• A hands-on guide that provides interoperable solutions for sensors, actuators, and controllers

Description

The Internet of Things (IoT) is the fastest growing technology market. Industries are embracing IoT technologies to improve operational expenses, product life, and people's well-being. Mastering Internet of Things starts by presenting IoT fundamentals and the smart city. You will learn the important technologies and protocols that are used for the Internet of Things, their features, corresponding security implications, and practical examples on how to use them. This book focuses on creating applications and services for the Internet of Things. Further, you will learn to create applications and services for the Internet of Things. You will be discover various interesting projects and understand how to publish sensor data, control devices, and react to asynchronous events using the XMPP protocol. The book also introduces chat, to interact with your devices. You will learn how to automate your tasks by using Internet of Things Service Platforms as the base for an application. You will understand the subject of privacy, requirements they should be familiar with, and how to avoid violating any of the important new regulations being introduced. At the end of the book, you will have mastered creating open, interoperable and secure networks of things, protecting the privacy and integrity of your users and their information.

Who is this book for?

If you're a developer or electronic engineer and are curious about the Internet of Things, this is the book for you. With only a rudimentary understanding of electronics and Raspberry Pi 3, and some programming experience using managed code, such as C# or Java, you will be taught to develop state-of-the-art solutions for the Internet of Things.

What you will learn

• Create your own project, run and debug it

• Master different communication patterns using the MQTT, HTTP, CoAP, LWM2M and XMPP protocols

• Build trust-based as hoc networks for open, secure and interoperable communication

• Explore the IoT Service Platform

• Manage the entire product life cycle of devices

• Understand and set up the security and privacy features required for your system

• Master interoperability, and how it is solved in the realms of HTTP,CoAP, LWM2M and XMPP

What do you get with Print?

Instant access to your digital eBook copy whilst your Print order is Shipped

Paperback book shipped to your preferred address

Download this book in EPUB and PDF formats

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William J. Miller Jul 27, 2018

Mastering Internet of Things - provides a broad overview of IoT from a protocol prospective and helps an owner of a Rayberry PI 3 B+ be able to utilize Microsoft 10 IoT Core Operating System. It also helps the user to learn more about device provisioning and how to read data using XEP SensorData and to perform control actions using XEP Control. Many of the aspects discussed can be found in the IEEE Open Source Repository as new standard for IoT developed by IEEE SA..

Amazon Verified review

Wilson Apr 17, 2018

As I'm writing this, a judge ruled that Oracle my collect billions from Google for its use of Java on Android. So this book enabling you to leverage your C# skills on Windows rather than just Java is prescient. Additionally, this book covers the XMPP protocol which is more secure and "free" than those more widely supported by vendors. This means that by following the book's step-by-step instructions you'll end up with real security, end-to-end on a peer network that that doesn't require payment to a cloud vendor.

Naveen Nov 03, 2019

It is very helpful

Brennan Jan 05, 2019

I'm not sure who that target audience of this book is supposed to be. I've done a little bit of tinkering with Arduino, electronics, and am fluent with programming. This book has almost no value to me. At best, it gave a tiny bit of teaser for a few protocols I can Google to find out more about.It is extremely specific and only has value if you are planning on installing Windows 10 IoT on your Raspberry Pi and programming it in C#. The vast majority of people working with the Pi and Arduino are not using C#. It really applies more to the corporate enterprise employee that runs a .NET stack. It's too targeted to that; there's very little information here that can be applied to other platforms.It's not for novices to electronics because it has you building things with mains AC with only half a page of explanation of what is being built and a single sentence that says "Be sure to follow appropriate safety regulations when working with electricity". If you are going to have people splicing wires into live household AC then I think a little bit more precaution and explanation is needed for readers who don't know what they are doing. The book assumes you already know to build circuits and read schematics.At the same time, it's not for people experienced with electronics either because it wastes time describing what a relay is, how to light an LED with a resistor using Ohm's Law.It's not for programmers, because it dedicates an ENTIRE chapter going into the basics of what HTTP is. The book assumes you are already fluent with C# so not sure how you can get to that point without knowing what HTTP and a URL is.It's doesn't give a wide view of the IoT landscape and what other vendors and platforms are available out there. I was disappointed that there was no talk about hardware platforms that are more suitable for IoT like the ESP8266 or Photon. Not a single mention of other IoT platforms like those from AWS or Google.This book really needs to cut out all the code, just be an overview book, go into more detail, and add more topics—it's of no value if you aren't intending to install Windows on your Pi. Or it needs to make it clearer and be called something like IoT with Windows and C#.

Mastering Internet of Things: Design and create your own IoT applications using Raspberry Pi 3

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Mastering Internet of Things

Creating a Sensor to Measure Ambient Light

Preparing our project

Sampling raw sensor data

Performing basic error correction

Converting to a physical quantity

Illustrating measurement results

Calculating basic statistics

Defining data persistence

Storing measured data

Removing old data

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