Writing a groov table with a single node

[Beno]

Ah, Ok, starting to see a little better what you are trying to do.
This covers it nicely:

Rolling FIFO data stream to a groov data store table

Sometimes there is a single point of data coming into Node-RED that I want displayed on a groov page, but I find a single gadget isn’t quite enough – I want to keep a rolling history of values where the First In is the First Out (FIFO), and I specifically don’t want any duplication of data in my history either. In this post I’ll show the flow and JavaScript I used to do get a rolling feed of ten strings from a twitter feed, but this could work with almost any other data source as well. [image] …