Add animated drawings to your IoT dashboards
Worth a Thousand Words
Use an SVG graphic widget on your next Node-RED project to get a visual representation of your automation setup.
There are some great components for showing tables, gauges, and charts on Internet of Things (IoT) dashboards. For many applications these data widgets are all that you need – however, for industrial or process monitoring projects, it can be extremely helpful to add dynamic visual layouts of the equipment. Figure 1 is an example of a process automation screen that could be used for an industrial control system.
Figure 1: This is a typical process automation graphic with valves and pumps.
Node-RED [1] is a powerful open source graphical programming tool that you can use for creating IoT logic scenarios and user dashboards. It runs on Linux, macOS, and Windows, and it's an excellent tool for prototyping or building small system solutions. Typical Node-RED projects use the standard dashboard components, but it's also possible to install an SVG widget that lets you show animated graphics alongside the other dashboard objects. Scalable Vector Graphics (SVG) [2] is an XML-based vector image standard that is supported on all major web browsers. SVG files support dynamically changing text, color, rotation, and scaling of objects.
[...]
Buy this article as PDF
(incl. VAT)
Buy Linux Magazine
Subscribe to our Linux Newsletters
Find Linux and Open Source Jobs
Subscribe to our ADMIN Newsletters
Digital Autonomy
• How the Fediverse Found Parts for Its Platforms
• The Answer Was Already on the Shelf
• Changing the Chip Industry: How Public Investment Has Grown Open Silicon
• United Nations Open Source Portal Goes Live
• EU Open Source Strategy Plays Key Role in Tech Sovereignty Package
• France Says “Au Revoir” to Microsoft
Support Our Work
Linux Magazine content is made possible with support from readers like you. Please consider contributing when you’ve found an article to be beneficial.
News
-
Fedora 45 Now Available
The latest iteration of Fedora has arrived with Gnome 51 and KDE Plasma 6.8.
-
Linux 7.4 is "Much Healthier" Thanks to AI
At nearly 42 million lines, Linux 7.4 is the largest merge in the kernel’s history.
-
Working Exploit for a Linux Kernel Flaw Made Public
Even before a bug received its CVE identifier or an upstream fix, the local privilege escalation vulnerability exploit found its way into the wild.
-
r/opensource Bans AI-Assisted and AI-Related Projects
The de facto subreddit for all things open source has not only banned AI-related projects but also users who "don't speak English."
-
Bottlenecks Discovered by Meta Engineers Lead to Scalability Improvements
Thanks to a small group of engineers at Meta, the Linux kernel module kernfs has been improved, which has led to some serious gains.
-
PwnEscape Poses VM Vulnerability
A guest-to-host escape flaw in Linux KVM, named PwnEscape, might be yet another means of attacking Linux.
-
Linux Mint 27 Set for a Christmas Release
The developers behind Linux Mint have announced a Christmas release, and it looks like Santa's sack will be brimming with features.
-
Is Linus Torvalds Vibe Coding?
The creator of Linux has added AI into his process for Linux kernel development, and it's more than just for debugging.
-
openKylin 3.0 Released with Expanded AI Integration
The latest release features a pre-installed AI agent to help perform tasks.
-
DigitalOcean Ends Open Source Credits Program
In a change that has surprised many open source developers, DigitalOcean has decided to sunset its Open Source Credits Program.