One of the first simple ways we used Node-RED recently at our facility was to monitor internet performance. I downloaded a Speedtest.net node and then used an input trigger to measure the download and upload internet speeds every 5 minutes. Then through an HTTP GET connector function, I request the data from Tulip and can save it to a table.
We set up this up because we have had varying internet performance that has affected our stations running Tulip. We then can provide this data back to IT in hopes they can look to find if the issues we are experiencing are internal to our network or if it is our ISP.