Re: bt question
On Saturday 26 September 2020 08:23:14 Alan Corey wrote:
> bluetoothctl's info feature can be useful to see what states devices
> are in even if you're not pairing with them. Especially devices with
> few buttons.
>
> Yes there's a time limit because being discoverable is considered
> vulnerable.
I wonder if this keyboard is timeing out while I am walking the 50 feet
from turning it on, back to this ssh console to type show. Would it be
that fast? Or do these cellphone apps I have no way to run, have a
wakeup call they send? In which case, can bluetoothctl trigger that
wakeup?
> On 9/26/20, Gene Heskett <gheskett@shentel.net> wrote:
> > On Saturday 26 September 2020 06:48:11 Alan Corey wrote:
> >> Bring your devices closer together at least until you get them
> >> paired. BT doesn't have great range. There are covid tracing
> >> schemes which figure if you got within BT range you're in danger.
> >> 20 feet or so should be OK. Also heavy WiFi use disrupts it since
> >> they're both in the same frequency band.
> >>
> >> A device may be discoverable only when it's first turned on but
> >> there has to be a way. My ear buds have one button each and the
> >> LEDs flash differently: red and blue instead of just red. It's
> >> easiest to start with them all within reach until they're set up.
> >> Playing sound my ear buds aren't 100% reliable 20 feet away. At
> >> one job a receptionist had a BT headset, they worked within that
> >> room, not beyond. A niece had a BT headset for hands-free driving
> >> on her cell phone, mostly didn't work outside her car.
> >>
> >> With my ear buds a long press on the one button powers them on and
> >> makes them discoverable for about 1 minute.
> >
> > I wasn't aware there was a time limit. Anyway, the transmitter the
> > phone will need to pair with is about 3 weeks away, so I'll suggest
> > we shelve this until that kit arrives.
> >
> >> On Sat, Sep 26, 2020, 4:22 AM deloptes <deloptes@gmail.com> wrote:
> >> > Gene Heskett wrote:
> >> > > Can anyone else contribute here?
> >> >
> >> > for the audio you may need the pulse bluetooth module package.
> >> > pulseaudio-module-bluetooth
> >
> > Cheers, Gene Heskett
> > --
> > "There are four boxes to be used in defense of liberty:
> > soap, ballot, jury, and ammo. Please use in that order."
> > -Ed Howdershelt (Author)
> > If we desire respect for the law, we must first make the law
> > respectable. - Louis D. Brandeis
> > Genes Web page <http://geneslinuxbox.net:6309/gene>
Cheers, Gene Heskett
--
"There are four boxes to be used in defense of liberty:
soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
If we desire respect for the law, we must first make the law respectable.
- Louis D. Brandeis
Genes Web page <http://geneslinuxbox.net:6309/gene>
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