The Best-Selling MQTT eBooks of All Time

Send and receive messages with the MQTT protocol for your IoT solutions. Key Features. Make your connected devices less prone to attackers by understanding practical security mechanismsDive deep into one of IoT's extremely lightweight machines to enable connectivity protocol with some real-world examplesLearn to take advantage of the features included in MQTT for IoT and Machine-to-Machine communications with complete real-life examplesBook Description. This step-by-step guide will help you gain a deep understanding of the lightweight MQTT protocol.

We'll begin with the specific vocabulary of MQTT and its working modes, followed by installing a Mosquitto MQTT broker. Then, you will use best practices to secure the MQTT Mosquitto broker to ensure that only authorized clients are able to publish and receive messages. Once you have secured the broker with the appropriate configuration, you will develop a solution that controls a drone with Python. Further on, you will use Python on a Raspberry Pi 3 board to process commands and Python on Intel Boards (Joule, Edison and Galileo). You will then connect to the MQTT broker, subscribe to topics, send messages, and receive messages in Python. You will also develop a solution that interacts with sensors in Java by working with MQTT messages. Moving forward, you will work with an asynchronous API with callbacks to make the sensors interact with MQTT messages. Following the same process, you will develop an iOS app with Swift 3, build a website that uses WebSockets to connect to the MQTT broker, and control home automation devices with HTML5, JavaScript code, Node.js and MQTT messages. What you will learn. Understand how MQTTv3.1 and v3.1.1 works in detailInstall and secure a Mosquitto MQTT broker by following best practicesDesign and develop IoT solutions combined with mobile and web apps that use MQTT messages to communicateExplore the features included in MQTT for IoT and Machine-to-Machine communicationsPublish and receive MQTT messages with Python, Java, Swift, JavaScript, and Node.jsImplement the security best practices while setting up the MQTT Mosquitto broker.

Explore the features included in the latest versions of MQTT for IoT and M2M communications and use them with modern Python 3. Key FeaturesMake your connected devices less prone to attackers by understanding security mechanismsTake advantage of MQTT features for IoT and Machine-to-Machine communicationsThe only book that covers MQTT with a single language, PythonBook DescriptionMQTT is a lightweight messaging protocol for small sensors and mobile devices.

This book explores the features of the latest versions of MQTT for IoT and M2M communications, how to use them with Python 3, and allow you to interact with sensors and actuators using Python. The book begins with the specific vocabulary of MQTT and its working modes, followed by installing a Mosquitto MQTT broker. You will use different utilities and diagrams to understand the most important concepts related to MQTT. You will learn to make all the necessary configuration to work with digital certificates for encrypting all data sent between the MQTT clients and the server. You will also work with the different Quality of Service levels and later analyze and compare their overheads. You will write Python 3.x code to control a vehicle with MQTT messages delivered through encrypted connections (TLS 1.2), and learn how leverage your knowledge of the MQTT protocol to build a solution based on requirements. Towards the end, you will write Python code to use the PubNub cloud-based real-time MQTT provider to monitor a surfing competition. In the end, you will have a solution that was built from scratch by analyzing the requirements and then write Python code that will run on water-proof IoT boards connected to multiple sensors in surfboards. What you will learnLearn how MQTT and its lightweight messaging system workUnderstand the MQTT puzzle: clients, servers (formerly known as brokers), and connectionsExplore the features included in the latest versions of MQTT for IoT and M2M communicationsPublish and receive MQTT messages with PythonLearn the difference between blocking and threaded network loopsTake advantage of the last will and testament featureWork with cloud-based MQTT interfaces in PythonWho This Book Is ForThis book is for developers who want to learn about the MQTT protocol for their IoT projects. Prior knowledge of working with IoT and Python will be helpful. Table of ContentsInstalling an MQTT 3.1.1 Mosquitto serverUsing command-line and GUI tools to learn how MQTT worksSecuring an MQTT 3.1.1 Mosquitto ServerWriting code to control a vehicle with Python and MQTT messagesTesting and improving our vehicle control solution in PythonMonitoring a surfing competition with cloudbased real-time MQTT providers and Python.

Develop a variety of projects and connect them to microcontrollers and web servers using the lightweight messaging protocol MQTT. Key FeaturesLeverage the power of MQTT to build a pet food dispenser, e-ink to-do list, and a productivity cube Learn about technologies like laser cutting, 3D printing, and PCB production for building robust prototypes Explore practical uses cases to gain an in-depth understanding of MQTT Book DescriptionMQ Telemetry Transport (MQTT) is a lightweight messaging protocol for smart devices that can be used to build exciting, highly scalable Internet of Things (IoT) projects.

This book will get you started with a quick introduction to the concepts of IoT and MQTT and explain how the latter can help you build your own internet-connected prototypes. As you advance, you'll gain insights into how microcontrollers communicate, and you'll get to grips with the different messaging protocols and techniques involved. Once you are well-versed with the essential concepts, you'll be able to put what you've learned into practice by building three projects from scratch, including an automatic pet food dispenser and a smart e-ink to-do display. You'll also discover how to present your own prototypes professionally. In addition to this, you'll learn how to use technologies from third-party web service providers, along with other rapid prototyping technologies, such as laser cutting, 3D printing, and PCB production. By the end of this book, you'll have gained hands-on experience in using MQTT to build your own IoT prototypes. What you will learnExplore MQTT programming with Arduino Discover how to make your prototypes talk to each other Send MQTT messages from your smartphone to your prototypes Discover how you can make websites interact with your prototypes Learn about MQTT servers, libraries, and apps Explore tools such as laser cutting and 3D printing in order to build robust prototype casesWho this book is forIf you are an IoT developer or enthusiast who wants to start building IoT prototypes using MQTT, this book is for you. Basic knowledge of programming with Arduino will be useful. Table of ContentsInternet of Things in a NutshellBasic architecture of an IoT prototypeGetting started with MQTTSetting up a lab environmentBuild your own Automatic Pet Food DispenserBuild a smart eInk Todo ListBuild a Smart Productivity Cube Part 1Build a Smart Productivity Cube Part 2Present your own Prototype.