A quick demo of a simple flow to record the max and min values of wind speed for example and to display them on a dashboard along with the time recorded.
You can find more information on the context variable here
https://stevesnoderedguide.com/node-r...
and
• How to Store Data In Node Red Variables
The flow is available for download using buy me a coffee link (it doesn't cost anything) but It is a good way of staying in touch and you always buy me a coffee
https://www.buymeacoffee.com/steveH5u...
alternatively direct from the site.
https://stevesnoderedguide.com/downlo...