We have a Tivo Stream 4k dongle on our TV. It's a nice enough device in the Android TV family. We use it enough that I bought a second remote for my couch-based co-conspirator to use. Then, one day, some software update or other imposed the limit of a single Tivo remote to work with it.

If you pair a second Tivo remote, it loses its pairing with the first one. I fiddled with that for quite a while before I figured out what was going on. Tivo used to have a FAQ item that said you could use multiple remotes, but they changed the answer from "yes" to "no".  Problem solved (for them). I assume they had some technical reason for putting that limitation in place. In fact, it might be a limitation put in place in some Android TV base platform update they got from Google. Beats me.

The important part is that that change made me sad. I started thinking about ways to be able to use both remotes, and that led to the bleXmang idea. I have quite a few low-cost BLE boards laying around, but I'm by no means a BLE or BT expert. It seems like some technically interesting stuff, so I'm plowing ahead with it even though I have partially solved the problem another way (see the next project log item).

Use cases for a single remote being used with multiple target devices are a little harder to come by, unless maybe you own an electronics showroom. But I think the techniques I plan to use for multiple sources will extend fairly easily to multiple targets, so ... why not?