Node-RED Q & A
Node-RED Questions and Answers. Node-RED is a flow-based (visual) programming tool. These pages have some information that may be currently missing from the documentation or may expand on it.
See the Node-RED website for more details about it. There are also sites for custom nodes and example flows, documentation, a blog and a discussion forum. There is also a Slack group. You can also find some questions and answers on StackOverflow.
There are already too many people putting up insecure services over the Internet. Please don’t add to this problem. This article explains a simple way to get some level of connectivity to Node-RED over the Internet without security issues. It also explains some of the wider issues and where to go for more details.
Node-RED passes a msg object between node instances in a flow. It is common to need to extract a sub-string and there are multiple ways to achieve this. Here are some simeple examples.
A list of some tutorials and courses for learning Node-RED and Node.JS, maybe some web stuff too.
Using the Visual Studio Code debugger to debug Node-RED issues