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Practical Node-RED Programming

You're reading from   Practical Node-RED Programming Learn powerful visual programming techniques and best practices for the web and IoT

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Product type Paperback
Published in Mar 2021
Publisher Packt
ISBN-13 9781800201590
Length 326 pages
Edition 1st Edition
Languages
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Author (1):
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Taiji Hagino Taiji Hagino
Author Profile Icon Taiji Hagino
Taiji Hagino
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Table of Contents (19) Chapters Close

Preface 1. Section 1: Node-RED Basics
2. Chapter 1: Introducing Node-RED and Flow-Based Programming FREE CHAPTER 3. Chapter 2: Setting Up the Development Environment 4. Chapter 3: Understanding Node-RED Characteristics by Creating Basic Flows 5. Chapter 4: Learning the Major Nodes 6. Section 2: Mastering Node-RED
7. Chapter 5: Implementing Node-RED Locally 8. Chapter 6: Implementing Node-RED in the Cloud 9. Chapter 7: Calling a Web API from Node-RED 10. Chapter 8: Using the Project Feature with Git 11. Section 3: Practical Matters
12. Chapter 9: Creating a ToDo Application with Node-RED 13. Chapter 10: Handling Sensor Data on the Raspberry Pi 14. Chapter 11: Visualize Data by Creating a Server-Side Application in the IBM Cloud 15. Chapter 12: Developing a Chatbot Application Using Slack and IBM Watson 16. Chapter 13: Creating and Publishing Your Own Node on the Node-RED Library 17. Other Books You May Enjoy Appendix: Node-RED User Community

How to connect to the database

Now that the database has actually been created, we will move toward the hands-on tutorial, where we will clone the Node-RED flow from GitHub, and implement the connection to that database from the Node-RED flow. Use the project feature you learned in the previous chapter to connect to your GitHub repository, load the prepared flow definition file, and implement it on Node-RED in your local environment. Since you have already done this in the previous chapter, it is not necessary to create a new flow this time.

Configuring Node-RED

The first thing you need to do is change the localhost path (URL) of the Node-RED flow editor. Currently, you can access the flow editor at localhost:1880, but in order to change the path (URL) of the web application created by this hands-on tutorial to localhost:1880, we need to change the path of the flow editor to localhost:1880/admin.

This is because you have to move the root path of the Node-RED flow editor to...

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