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Comment by maufl | Hacker News Reader

Does anyone know whether more than one device can connect to a Pebble watch at the same time? I'm thinking using it with your phone but also sending notifications from your laptop.

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Pebble watches can use Bluetooth LE and Bluetooth Classic connection profiles simultaneously. It's possible to pair two phones this way, but that's considered an undocumented hack. Also there's no ready-made desktop OS support, I'd look into forwarding your laptop notifications to a phone via KDE Connect or something like that instead.

Can't be done, yet.

But I do want to dig into that, someday. There is an open source library in Kotlin multi-platform for building applications that interact with the watch (libpebble3) and, in theory, Bluetooth LE can connect to more than one device. But the PebbleOS probably restricts it.

My dream is to use the watch to authenticate to computers, websites and IoT devices.

PebbleOS is open source now, so there are no roadblocks preventing anything that is technically feasible.

Connecting to a laptop isn't supported AFAIK. Personally I don't have any important notifications on my computer that don't come to my phone already. What would you use it for?

I'm thinking of having Claude send me a notification when it needs my input. I already do that sometimes with desktop notifications and this way I could water the plants or hang the laundry while waiting.

That's a cool idea! I think there are lots of ways to forward that notification to your phone. Probably vibe-codeable.

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