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Full Description
Use a low-code programming approach to create event-driven applications from scratch by wiring together hardware devices, APIs, and online services
Key Features
Discover how you can automate the Internet of Things (IoT) without writing huge blocks of code
Learn how to wire together flows using a browser-based visual editor
Handle IoT data with little to no coding knowledge
Book DescriptionNode-RED is a free and open source flow-based programming tool used to handle IoT data that allows programmers of any level to interconnect physical I/O, cloud-based systems, databases, and APIs to build web applications without code.
Practical Node-RED Programming is a comprehensive introduction for anyone looking to get up to speed with the Node-RED ecosystem in no time. Complete with hands-on tutorials, projects, and self-assessment questions, this easy-to-follow guide will help you to become well versed in the foundations of Node-RED. You'll learn how to use Node-RED to handle IoT data and build web applications without having to write complex code. Once you've covered the basics, you'll explore various visual programming techniques and find out how to make sample flows as you cover web development, IoT development, and cloud service connections, and finally build useful real-world applications.
By the end of this book, you'll have learned how to use Node-RED to develop a real-world application from scratch, which can then be implemented in your business.
What you will learn
Understand the history of Node-RED and why you need to learn a flow-based programming tool
Use Node-RED to build Node.js-based applications
Handle data for IoT devices using Node-RED flows
Explore advanced Node-RED features such as connecting repositories and customizing the flow editor
Find out what the MQTT protocol is and how it relates to Node-RED
Create and publish your own nodes and flows using the Node-RED library
Who this book is forThis Node-RED book is for web developers and IoT engineers with some background in JavaScript and Node.js. Although not necessary, familiarity with the concepts of electronics will help you to make the most out of this book.
Contents
Table of Contents
Introducing Node-RED and Flow-based Programming
Setting up the Development Environment
Understanding Node-RED Characteristics by Creating Basic Flows
Learning the Major Nodes
Implementing Node-RED Locally
Implementing Node-RED in the Cloud
Calling a Web API from Node-RED
Using the Project Feature with Git
Creating a ToDo Application with Node-RED
Handling Sensor Data on the Raspberry Pi
Visualize Data by Creating a Server-side Application in the IBM Cloud
Developing a Chatbot Application Using Slack and IBM Watson
Creating and Publishing your Own Node on the Node-RED Library
