I'm trying to work out a solution for detecting if I'm leaving home by myself in one of the cars, or with someone. I'd like this to happen with no intervention from the passenger(s) at all. The best thing I can think of right now is some sort of motion detector under the seat that powers up a USB BT that can be detected by Geofencey/PHLocation apps. I can't depend on those apps for triggering arrival and departure, as my cell service outside my house is far from stable, but if they could detect a BT device at any point as I drive out of my neighborhood and relay that back to HS, I could then adjust events that need to run differently for no one being home vs. someone is still at home. Obviously, it couldn't really tell if the passenger was someone living at the house or a friend, but I can work around that.
The ideal solution would be able to have a relay that powered up the BT device by the circuits that detected if either the seatbelt was buckled or the system that detects weight of a passenger in the seat for triggering the airbag functionality. The latter certainly seems like something I don't want to mess with unless it was obvious it the integrity of that circuit would not be impacted.
If any knows anything about the feasibility of using those circuits, or has other/better solutions to try...please let me know. Anything "inside or outside the box" would be appreciated. Thanks!
The ideal solution would be able to have a relay that powered up the BT device by the circuits that detected if either the seatbelt was buckled or the system that detects weight of a passenger in the seat for triggering the airbag functionality. The latter certainly seems like something I don't want to mess with unless it was obvious it the integrity of that circuit would not be impacted.
If any knows anything about the feasibility of using those circuits, or has other/better solutions to try...please let me know. Anything "inside or outside the box" would be appreciated. Thanks!
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