Bluetooth Extender?
My camper is parked in my driveway, about 100 feet from my house. I have a solar controller with Bluetooth capability and an app on my smartphone that gives me all sorts of information on battery char...
Forum Discussion
Are you sure those BT extenders/repeaters are only for audio and 1-way? Most BT for audio includes some 2-way communications for track +/-, volume, play/pause. Check with the product tech details for the Bluetooth standards, such as from this list.
