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'[EE] Bluetooth module for simple serial communicat'
2011\02\10@070247 by V G

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Hey all,

I'm looking for a *cheap*, *easy to use*, bluetooth module for my PIC32. For
now, I just want a wireless means to talk to the computer (and potentially
the iPhone next).

Any ideas

2011\02\10@071829 by Michael Rigby-Jones

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> -----Original Message-----
> From: spam_OUTpiclist-bouncesTakeThisOuTspammit.edu [.....piclist-bouncesKILLspamspam@spam@mit.edu] On
Behalf
> Of V G
> Sent: 10 February 2011 12:03
> To: PICLIST
> Subject: [EE] Bluetooth module for simple serial communication
>
> Hey all,
>
> I'm looking for a *cheap*, *easy to use*, bluetooth module for my
PIC32.
> For
> now, I just want a wireless means to talk to the computer (and
potentially
> the iPhone next).
>
> Any ideas?

Seeedstudio sell a neat serial/bluetooth module for a reasonable price.


www.seeedstudio.com/depot/serial-port-bluetooth-module-masterslav
e-p-572.html

Regards

Mike

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2011\02\10@072414 by V G

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On Thu, Feb 10, 2011 at 7:18 AM, Michael Rigby-Jones <
Michael.Rigby-JonesspamKILLspamoclaro.com> wrote:

> Seeedstudio sell a neat serial/bluetooth module for a reasonable price.
>
>
> www.seeedstudio.com/depot/serial-port-bluetooth-module-masterslav
> e-p-572.html
>
>
Thanks.

That seems to be the exact same as this:

http://cgi.ebay.ca/Transceiver-Module-Bluetooth-RS232-TTL-Wireless-2-4GHz-/290525165357?pt=LH_DefaultDomain_0&hash=item43a4a6372d#ht_2675wt_1139

<cgi.ebay.ca/Transceiver-Module-Bluetooth-RS232-TTL-Wireless-2-4GHz-/290525165357?pt=LH_DefaultDomain_0&hash=item43a4a6372d#ht_2675wt_1139>Also,
do you think it's worth getting a breakout board for it?

http://cgi.ebay.ca/Smart-Bluetooth-Module-Baseboard-/270679581266?pt=LH_DefaultDomain_0&hash=item3f05c2a252#ht_6278wt_113

2011\02\10@075703 by alan.b.pearce

face picon face
> Hey all,
>
> I'm looking for a *cheap*, *easy to use*, bluetooth module for my PIC32. For
> now, I just want a wireless means to talk to the computer (and potentially
> the iPhone next).
>
> Any ideas?

Have you looked at the one Microchip are advertising? For your use you could probably use the software stack they are supplying for free.
-- Scanned by iCritical.

2011\02\10@080214 by Michael Watterson

face picon face
On 10/02/2011 12:02, V G wrote:
> Hey all,
>
> I'm looking for a *cheap*, *easy to use*, bluetooth module for my PIC32. For
> now, I just want a wireless means to talk to the computer (and potentially
> the iPhone next).
>
> Any ideas?
Bluetooth makes a USB HID stack look simple.

Inherently there is nothing simple, ever about BT implementation. Unless you get a module with serial port and its own CPU & stack internally. Then it appears as BT device with com port service on PC.

2011\02\10@081919 by Ing. Marcelo Fornaso

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I bought the same yesterday from China, for $7.62  free shipping worldwide! (I'm in Argentina...)

LINK


Rgds,

Marcelo Fornaso
from Buenos Aires




________________________________
From: Michael Rigby-Jones <.....Michael.Rigby-JonesKILLspamspam.....oclaro.com>
To: Microcontroller discussion list - Public. <EraseMEpiclistspam_OUTspamTakeThisOuTmit.edu>
Sent: Thu, February 10, 2011 9:18:23 AM
Subject: RE: [EE] Bluetooth module for simple serial communication


> {Original Message removed}

2011\02\10@100110 by V G

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On Thu, Feb 10, 2011 at 8:01 AM, Michael Watterson <mikespamspam_OUTradioway.org>wrote:

> Bluetooth makes a USB HID stack look simple.
>
> Inherently there is nothing simple, ever about BT implementation. Unless
> you get a module with serial port and its own CPU & stack internally.
> Then it appears as BT device with com port service on PC.


Yep, that's the one I just bought

2011\02\10@100135 by V G

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On Thu, Feb 10, 2011 at 8:19 AM, Ing. Marcelo Fornaso <@spam@mfornasoKILLspamspamyahoo.com>wrote:

> I bought the same yesterday from China, for $7.62  free shipping worldwide!
> (I'm
> in Argentina...)


I just bought it, do you know how long it would take to get to Canada

2011\02\10@101042 by John Hansen

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I've had pretty good luck with the Roving Networks modules.  They make both
a low power (RN-42) and a high power version (RN-41).  Spark fun makes this
on a breakout board, but it's kind of pricey at $60.  However, the modules
themselves are only around $20 (depending on which one you buy) and you can
get them from Mouser.  The higher power one really appealed to me.

John Hansen
Coastal ChipWorks

On Thu, Feb 10, 2011 at 8:19 AM, Ing. Marcelo Fornaso <KILLspammfornasoKILLspamspamyahoo.com>wrote:

{Quote hidden}

> > {Original Message removed}

2011\02\10@110518 by Carl Denk
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I ordered Rayban sunglasses from what supposedly was a Seattle address on January 17,2011, tracking shows they are still in China registered mail. The Seattle address later was found to be the main Seattle Newspaper, and not any other organization. :( If I get them at all, I expect them to be counterfeit. I have 1 more week before claiming fraud on the mastercard. I have since bought the glasses locally at a good discount. :)

On 2/10/2011 10:01 AM, V G wrote:
> On Thu, Feb 10, 2011 at 8:19 AM, Ing. Marcelo Fornaso<TakeThisOuTmfornasoEraseMEspamspam_OUTyahoo.com>wrote:
>
>    
>> I bought the same yesterday from China, for $7.62  free shipping worldwide!
>> (I'm
>> in Argentina...)
>>      
>
> I just bought it, do you know how long it would take to get to Canada?
>

2011\02\10@113658 by Ing. Marcelo Fornaso

picon face
I guess one to two weeks...



________________________________
From: V G <RemoveMEx.solarwind.xspamTakeThisOuTgmail.com>
To: Microcontroller discussion list - Public. <piclistEraseMEspam.....mit.edu>
Sent: Thu, February 10, 2011 12:01:20 PM
Subject: Re: [EE] Bluetooth module for simple serial communication

On Thu, Feb 10, 2011 at 8:19 AM, Ing. Marcelo Fornaso <EraseMEmfornasospamyahoo.com>wrote:

> I bought the same yesterday from China, for $7.62  free shipping worldwide!
> (I'm
> in Argentina...)


I just bought it, do you know how long it would take to get to Canada

2011\02\10@115625 by Bob Blick

face
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face
On Thu, 10 Feb 2011 10:01 -0500, "V G"  wrote:

> I just bought it, do you know how long it would take to get to Canada?

Longer than normal. Chinese New Year began February 3, so everybody has
a backlog of work and orders, even the ones that went back to work
today. Not to mention the ones that are still home for another week.

Bob

-- http://www.fastmail.fm - Send your email first class

2011\02\10@120703 by MCH

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face
What is your dollar reference? I only see one for $21.50

Joe M.

On Thu, Feb 10, 2011 at 8:19 AM, Ing. Marcelo Fornaso <RemoveMEmfornasoEraseMEspamEraseMEyahoo.com>wrote:
> > I bought the same yesterday from China, for $7.62  free shipping worldwide!
> > (I'm
> > in Argentina...)
> >
> > LINK
> >
> >
> > Rgds,
> >
> > Marcelo Fornaso
> > from Buenos Aires
>

2011\02\10@123659 by Bruno L. Albrecht

picon face
www.goodluckbuy.com/serial-bluetooth-rf-transceiver-module-rs232.html

On Thu, Feb 10, 2011 at 3:07 PM, MCH <RemoveMEmchspam_OUTspamKILLspamnb.net> wrote:
> What is your dollar reference? I only see one for $21.50
>
> Joe M.
>
> On Thu, Feb 10, 2011 at 8:19 AM, Ing. Marcelo Fornaso
> <RemoveMEmfornasoTakeThisOuTspamspamyahoo.com>wrote:
>  > > I bought the same yesterday from China, for $7.62  free shipping
> worldwide!
>  > > (I'm
>  > > in Argentina...)
>  > >
>  > > LINK
>  > >
>  > >
>  > > Rgds,
>  > >
>  > > Marcelo Fornaso
>  > > from Buenos Aires
>  > >
>

2011\02\10@135301 by John Hansen

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Is there a data sheet available for this?

John

On Thu, Feb 10, 2011 at 1:33 PM, V G <EraseMEx.solarwind.xspamspamspamBeGonegmail.com> wrote:

> Thanks. That site looks a lot like Deal Extreme.
>
> On Thursday, February 10, 2011, Bruno L. Albrecht <RemoveMEbrunolalbKILLspamspamgmail.com>
> wrote:
> >
> www.goodluckbuy.com/serial-bluetooth-rf-transceiver-module-rs232.html
>

2011\02\10@135532 by PICdude

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I purchased a few of these some months ago and they work decently.   I've got 30 ft through 2 walls easily (cheapo American drywall  though).  Approx $10, but the store is closed for a while.  They also  have a version with a breakout board and 5V reg for $14.
http://www.mdfly.com/index.php?main_page=product_info&products_id=428

Cheers,
-Neil.



Quoting V G <x.solarwind.xSTOPspamspamspam_OUTgmail.com>:

> Thanks. That site looks a lot like Deal Extreme.
>
> On Thursday, February 10, 2011, Bruno L. Albrecht  
> <spamBeGonebrunolalbSTOPspamspamEraseMEgmail.com> wrote:
>> www.goodluckbuy.com/serial-bluetooth-rf-transceiver-module-rs232.html
>

2011\02\10@135706 by V G

picon face
On Thu, Feb 10, 2011 at 1:52 PM, John Hansen <KILLspamjohnspamBeGonespamhansen.net> wrote:
> Is there a data sheet available for this?

http://www.seeedstudio.com/depot/serial-port-bluetooth-module-masterslave-p-572.html

Check datasheet link at the bottom of that page

2011\02\10@135755 by PICdude

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face
Have any of you actually bought from these folks?  Something about a  website called "GOOD LUCK buy" makes me nervous.

Cheers,
-Neil.



Quoting "Bruno L. Albrecht" <EraseMEbrunolalbspamEraseMEgmail.com>:

{Quote hidden}

>> -

2011\02\10@142611 by V G

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On Thu, Feb 10, 2011 at 1:57 PM, PICdude <.....picdude3spam_OUTspamnarwani.org> wrote:

> Have any of you actually bought from these folks?  Something about a
> website called "GOOD LUCK buy" makes me nervous.
>
> Cheers,
> -Neil.
>
>
I'm pretty sure they're legit.

Looks like a clone of Deal Extreme. I've bought from Deal Extreme many many
times and they've never disappointed me. Long shipping time is the only
downside, but it's free so can't complain

2011\02\10@153212 by Michael Watterson

face picon face
On 10/02/2011 15:00, V G wrote:
> On Thu, Feb 10, 2011 at 8:01 AM, Michael Watterson<TakeThisOuTmike.....spamTakeThisOuTradioway.org>wrote:
>
>> Bluetooth makes a USB HID stack look simple.
>>
>> Inherently there is nothing simple, ever about BT implementation. Unless
>> you get a module with serial port and its own CPU&  stack internally.
>> Then it appears as BT device with com port service on PC.
>
> Yep, that's the one I just bought.
I was looking at the Goodluckbuy after reading some other replies. But they are expensive on some other stuff, so I'll have  a search. I want a custom keypad/trackball for a Media Centre remote and I might use a very small PS/2 keyboard and PS/2 trackball repackaged on a PIC with Bluetooth. (I have the sample 16F/18F code to read PS/2 mouse/keyboard and some PIC 16F877a I'll not be using

2011\02\10@154815 by Jesse Lackey

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face
the iPhone part of this I really wonder about.  Does apple let you get to their bluetooth from a custom application?  Everyone I ask (who has done iphone apps) is Not Really Sure.  It doesn't seem common, at the least.  Let us know how this works out if you go that direction.

J


V G wrote:
> Hey all,
>
> I'm looking for a *cheap*, *easy to use*, bluetooth module for my PIC32. For
> now, I just want a wireless means to talk to the computer (and potentially
> the iPhone next).
>
> Any ideas

2011\02\10@162055 by Michael Watterson

face picon face
On 10/02/2011 20:48, Jesse Lackey wrote:
> the iPhone part of this I really wonder about.  Does apple let you get
> to their bluetooth from a custom application?  Everyone I ask (who has
> done iphone apps) is Not Really Sure.  It doesn't seem common, at the
> least.  Let us know how this works out if you go that direction.
To use unapproved stuff the iPhone has to be jailbroken

2011\02\10@162731 by V G

picon face
On Thu, Feb 10, 2011 at 3:48 PM, Jesse Lackey <TakeThisOuTjsl-mlKILLspamspamspamcelestialaudio.com>wrote:

> the iPhone part of this I really wonder about.  Does apple let you get
> to their bluetooth from a custom application?  Everyone I ask (who has
> done iphone apps) is Not Really Sure.  It doesn't seem common, at the
> least.  Let us know how this works out if you go that direction.


Apple doesn't like it, but screw Apple.

http://code.google.com/p/btstack/

<http://code.google.com/p/btstack/>It's a bluetooth stack for lots of
interesting devices. Works on iPhone (jailbroken)

2011\02\10@163427 by Spehro Pefhany

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At 12:07 PM 10/02/2011, you wrote:
>What is your dollar reference? I only see one for $21.50
>
>Joe M.

I see one for 6.56.. what 'sense' is the data ? IOW, would it
connect directly to a uC UART or would it require inversion?

Best regards,

Spehro Pefhany --"it's the network..."            "The Journey is the reward"
.....speffspamRemoveMEinterlog.com             Info for manufacturers: http://www.trexon.com
Embedded software/hardware/analog  Info for designers:  http://www.speff.com

2011\02\10@171041 by MCH

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face
I've heard that the iPhone does not support the full BT spec, so some parts of BT are not implemented. Perhaps only the audio aspects are.

Joe M.

Jesse Lackey wrote:
{Quote hidden}

>> Any ideas

2011\02\10@175044 by Gordon

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Bluetooth can be quite complicated. The iPhone does support 'full'
Bluetooth, however they do not implement all the Bluetooth profiles
that make use of the core stack.

Bluetooth is a bit like USB in that you have core specification and
then Classes that sit on top. You would never say a device does not
have Full USB support just because it by default not support all the
classes.

Every Bluetooth profile takes effort to implement, test, then IOP
test, never mind certification / qualification. So phone manufacturers
only support the profiles that best fit there customer use cases, and
for phones that is Hands Free Profile (Mono headsets for calls),
Advanced Audio Distribution Profile (Stereo Music headsets) and Object
Exchange OBEX, (File transfer / vcard, based on the IRDA spec) as core
profiles. Other profiles such as BIP , VDP. SPP.

Sorry Bluetooth is acronym tastic, I'll leave google / Wikipedia for
the ones I haven't decrypted.

The modules that you refer to tend to be based on CSR's BlueCore4
which is a small XAP based processor with a Bluetooth radio sat with
8Mbit Flash. On the Module the Flash has Bluecore firmware and a
custom application that is usually written by the module manufacturer.
You can write your own application, but you will need an SDK from CSR
which I think is out of the price range of hobbiest. The SDK has
example applications for HID mice, headsets, SPP and other profiles.
The module guys take this and put a serial protocol on the top so you
can access this off chip from a small uC. However depending on the
application / volumes you may be able to write it all on the Bluecore
saving the cost of the uC (but adding the cost of the BlueLab SDK :-(
)

Getting back on topic, ... most custom applications use Serial Port
Profile, which as the same suggests is a straight serial cable
replacement. this is good because you have a HW UART one side of the
link and on the other a Virtual comm port for your application. and
the Bluetooth link is transparent once established.

Nokias used to have SPP as it was a simple replacement for the serial
connector on the bottom of the phone for Sync'ing but almost all
phones do not have SPP.. as why would they want to expose a serial
port on a phone?

However all is not lost as phones can expose lower level bluetooth
interfaces, which is why you see Android / iPhone / Symbian
applications that implement extra bluetooth profiles such as SPP.
Unfortunately you sometimes need extra access on the phone... such as
iPhone / jailbroken or Android root.... it just depends...

Regards
G

On Thu, Feb 10, 2011 at 10:10 PM, MCH <RemoveMEmchspamspamBeGonenb.net> wrote:
{Quote hidden}

>

2011\02\10@190253 by V G

picon face
I've been saying this entire time that it does! You just need to
jailbreak and use btstack

On Thursday, February 10, 2011, MCH <spamBeGonemch@spam@spamspam_OUTnb.net> wrote:
{Quote hidden}

>

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