Usecase: One of our customers is using the Blippa system for booking saunas and generating one-time lock codes.
Now, they asked us to figure out how to start the sauna before the booked time, in order to have the sauna warm when entering,
So, we developed calendar events that can trigger actions (like sending a command to a Shelly relay to start the sauna).
This is done by using a Form with Actions.
The actions;
Our fancy Shelly test rig:


