It seems I am less familiar with the topic than I thought 🙂
We have a RaspberryPI as the “hub” of the temperature sensors. If I understood your reply correctly, the first approach might not work in our case, but a manually written script might. What are your thoughts? If the whole Raspberry approach is wrong, what devices would you suggest to acquire?
Also, if a webpage could be opened from a Manifest step, then we could read the values (I think)