Blog
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The benefits and drawbacks of using Node-RED function nodes

Function nodes are an essential part of Node-RED. They allow you to write custom JavaScript functions that can be used in your Node-RED flows. In this blog post, I will discuss some of the benefits and drawbacks of using Function nodes in your next project.
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FlowFuse v1.5 Now Available
For FlowFuse 1.5 we have been busy making a lot of UX changes and upgrading our underlying architecture to enable future innovations on the FlowFuse platform.
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Terminology Changes
As a new product in the market, we constantly have to make choices on how to name things. Naming things is hard! As you name a thing, say "Project", it might be suitable now, but the product evolves, and may outgrow the name such that it doesn’t fit anymore.
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Node-RED Tips - Smooth, Catch, and Math
There is usually more than one way to complete a given task in software, and Node-RED is no exception. In each of this series of blog posts, we are going to share three useful tips to save yourself time when working on your flows.
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Comparing Node-RED Dashboards Solutions
Dashboards are a great feature of Node-RED, allowing you to easily expose data visualisations and interactive elements of your flows to users via a web browser. I often see discussions in the community about which dashboard option is best for any given scenario, I wanted to compare the most popular options as they stand in early 2023.
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Node-RED Tips - Exec, Filter, and Debug
There is usually more than one way to complete a given task in software, and Node-RED is no exception. In each of this series of blog posts, we are going to share three useful tips to save yourself time when working on your flows.
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Node-RED: The Integration Platform for IIoT Edge Computing & PLCs
Node-RED has become a widely adopted integration platform for IoT edge computing and PLCs. Discover why!
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Community News March 2023
Welcome to the FlowFuse newsletter for March 2023, a monthly roundup of what’s been happening with both FlowFuse and the wider Node-RED community.
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Some questions we didn't get to in our first webinar
There were some great questions from our first webinar that we didn't get time to answer, we wanted to share those questions and our answers here.
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Node-RED Tips - Deploying, Debugging, and Delaying
There is usually more than one way to complete a given task in software, and Node-RED is no exception. In each of this series of blog posts, we are going to share three useful tips to save yourself time when working on your flows.
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MING Stack for IoT
The folks at Balena have created a bundle they call the MING stack, (Mosquitto/MQTT, InfluxDB, Node-RED and Grafana) which first appeared back in 2019. It is an interesting way to look at the IoT tech stack and a pattern I have seen used many times.
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FlowFuse v1.4 with device provisioning in bulk and staged development process
Deploy Node-RED to many devices quickly, and allow a staged development process with the latest release of FlowFuse v1.4.
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Toward Highly Available Node-RED
Over the past few months we've held a lot of product discovery sessions and a topic which keeps coming up is "HA Node-RED". All software will have failures, with HA (high availability) the intent is to allow the workload to be processed regardless. There's quite a few considerations which are often not covered during product discovery calls, I'm going to discuss some of those points in this article.
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Service Disruption Report for January 27th, 2023
On January 27th, 2023, we were alerted to an issue on FlowFuse Cloud where a user was not able to access a newly created Node-RED Project, receiving a 404 error instead. This post examines the issue that was hit, the timeline of events and what we've done to resolve it.
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Node-RED Tips - Wiring Shortcuts
There is usually more than one way to complete a given task in software and Node-RED is no exception. In this blog post we are going to share three useful tips to save yourself time when working on your flows.
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Community News February 2023
Welcome to the FlowFuse newsletter for February 2023, a monthly roundup of what’s been happening with both FlowFuse and the wider Node-RED community.
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Telling the FlowFuse Story
During my first month at FlowFuse, I have been helping to refine the FlowFuse story. Trying to answer the questions: What is the value FlowFuse brings to our customers and what features does FlowFuse want to offer the Node-RED community?
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Using Environment Variables in Node-RED
Programs, written with Node-RED or otherwise, need to sometimes retrieve information that wasn’t decided on during the creation of the program.
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Getting Started with Node-RED
Node-RED is a visual programming tool for working with IoT devices and web services. It allows users to create flows using a drag-and-drop interface, making it easy to connect different nodes together to build powerful automations.