Possibly you could use this Smart App if your going to go the software route. I use this and it has worked very reliably for my household. @bridaus might be bale to help you since he created this app.
I am sure this exists somewhere, but I couldn’t find it.
I based this off of Everyone’s Presence SmartApp (or something like that), but this is different. That one is about group presence. This one is about making a single person’s presence more reliable.
I noticed that if presence fails, it usually sticks on or off. For instance, a fob battery dies. Or the app stops reporting for a spell. Well, if you add a second, or third or “n” presence sensor to the mix, the combination of them is MUCH more reliable if you look at events only. Meaning that if any presence device arrives, THAT is an event you can trust, set the virtual sensor to present. Same for departure. If any device leaves, set the virtual presence to departed. Sounds simple, and works well.
Instructions:
Create a si…