David Lechner

> I wonder if there is some kind of unique ID for each device in bluez that is comparable to the macOS/iOS UUIDs In the case of a paired device...

I wonder if #1741 would help with that. It essentially allows pairing before connecting. (We would still need to add a bit to update the `address` attribute to the new...

The first thing I would try is doing what the error message says and set the environment variables to get more details about the error.

> would be grateful if you would clarify from where brickstrap needs to get the appropriate kernel The kernel comes from a debian package just like everything else. So for...

The scope of this PR is creeping. Can we please stick to just one change at a time? Regarding checking if `Release` has been called or not, I've thought about...

Can you please share a minimal reproducible test case? Likely, you are doing exactly what the error says and trying to start a scanner while another scanner is still running.

If two requests can come in within the 5 second scan time, this could cause the problem. You could protect against concurrent scanning by using an `asyncio.Lock` (maybe a good...

> when it comes to get data from characteristics from different connected devices it gives data from a single device only . Can you please start a new issue with...

Did you try https://bleak.readthedocs.io/en/latest/troubleshooting.html? I suspect logging Bluetooth packets could give some insight if the error is coming from the heart rate monitor itself. Also try Bleak 0.20.0.

It looks like Bleak is just passing through the error from the device as it should. Does this device need to be paired/bonded first (although in that case, the device...