Bluetooth USB dongle in Pi?


18 posts
by Vitali_s » Wed Feb 15, 2012 12:05 pm
I have some pretty old BT usb-dongle, will it work in Pi? (a generic question, since I do not remember BT model/chipset)
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by RaTTuS » Wed Feb 15, 2012 12:16 pm
maybe...

does it work if you plug it into a linux machine ?
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by Vitali_s » Wed Feb 15, 2012 12:26 pm
Can test it tomorrow, do not have native Linux machine right now.
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by jamesh » Wed Feb 15, 2012 12:57 pm
From a more generic point of view I have tried a Bluetooth dongle on my alpha board and I pretty sure it was working. I beleive all bluetooth dongles work pretty much the same way USB communications wise, so hopefully if one works they all (mostly) work.
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by Vitali_s » Thu Feb 16, 2012 8:22 am
Tested my BT-dongle with Ubuntu (10.04 LTS 64bit), it did not detect dongle.
Maybe dongle is old or not so compatible, Win7-64 detected it, but with some driver problem.

Dongle is here:
http://db.tt/VrxZGvxh
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by RaTTuS » Thu Feb 16, 2012 9:20 am
you are probably not going to be able to get that working on the RPI then...

if 10.04 does not find it then it is probably not worth the worry

7+7=77?
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by error404 » Thu Feb 16, 2012 10:42 am
You can get Bluetooth dongles that work in Linux for a couple bucks from the usual Eastern sources. These ones definitely work: https://www.dealextreme.com/p/super-mini-bluetooth-2-0-adapter-dongle-vista-compatible-11866
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by Vitali_s » Thu Feb 16, 2012 4:42 pm
Yep, but first I want to buy Pi :)
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by mobeyduck » Thu Feb 16, 2012 5:54 pm
you can search on product number of that conceptronic stick and see if it gets you somewhere mabey someone has a driver for it, not every driver is available by default sometimes youll have to search for it
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by timgiles » Sat Feb 18, 2012 7:27 pm
I am sure the number of 'working dongles' recorded in the wiki will increase significantly in the coming 2 weeks. I have 3 or 4 different makes sitting in the house or storage - Ill test all of them and update the results.

I think a general call out to the community - asking people to test and update the wiki - even with hardware they are not going to use - might help.
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by Vitali_s » Sat Feb 18, 2012 8:14 pm
Definitely I will test my BT dongle with Pi
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by S0litaire » Sat Feb 18, 2012 8:17 pm
I picked this one up a few months ago for my Ubuntu 11.10 laptop

http://www.argos.co.uk/webapp/.....ms=9246157

it works, nothing special but the plastic at the end is a bit flimsy, but a small strip of gaffer tape solves everything ^_^
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by Nibras » Tue Feb 21, 2012 10:08 pm
Anything USB that works on Linux and possibly has open source drivers should work on Raspberry Pi with no issues. However, some power draining USB devices might need a separate powered USB hub.

Am not sure what microUSB power port is used but it'd be pretty nice if it supports the new Battery Charging specs of the new USB standards which would allow approximately 1000mA current to be drawn.
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by drgeoff » Tue Feb 21, 2012 10:22 pm
Nibras said:

Am not sure what microUSB power port is used but it'd be pretty nice if it supports the new Battery Charging specs of the new USB standards which would allow approximately 1000mA current to be drawn.


There is nothing special about the micro-USB power port.  It is only used as a 2 pin power connector; the data lines don't go anywhere.  There is no negotiation with the host about permitted power draw.
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by RaTTuS » Wed Feb 22, 2012 9:34 am
it will be pulling 1A at max pull over the microUSB  if you pull too much the internal fuses will blow until you power cycle it - this means you get a max of 500mA [depending] to power stuff from the other USB sockets
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by Nibras » Wed Feb 22, 2012 1:42 pm
If the microUSB port is *dumb*, it will work only work with dumb chargers. It might not work properly with computers which support 1A or sleep and charge. Most smart chargers will not recognize the board.
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by error404 » Wed Feb 22, 2012 8:53 pm
The recognition you're thinking of happens in the peripheral, not the charger. It's there so that the peripheral can honour the USB spec's power limits while still allowing a fast charge at more than 500mA. USB ports don't limit current based on the device enumeration, they'll just have a polyfuse.
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by bitplane » Thu Feb 23, 2012 9:35 am
@Vitali S, boot into your Ubuntu system, open a terminal and compare the output of lsusb with your device unplugged and then plugged in (either that or dmesg).

Once you've found the line that identifies the device, make a note of its ID (it's in the format nnnn:nnnn) then search the web for it. If someone has written a Linux driver for it, you'll most likely find it by searching for this ID number.
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