Zoom in and zoom out function:
If I have chart on dashboard with a graph for data with respect to time for 1 day and
I want to Zoom in values for a particular time period , example 1 min or 30 second, then how can I do that? Zoom in and zoom out function
Also,I want to know for how long the node red can store the data in dashboard in chart ?
I want to store data for 18 weeks and then I want to zoom data for particular hour and second.