[chbot] Wireless Bluetooth RS232 TTL Transceiver Module

[Richard Jones]

I need to cover the same ground. My bluetooth serial module arrived
from DealExtreme a while ago, but I misplaced my USB/Bluetooth dongle.
The replacement arrived yesterday and I got the linux bit working with
the serial port driver last night.
Using ubuntu 10.04:
lsusb showed me the Cambridge Silicon Radio bluetooth dongle registered.
hcitool dev showed the device number
I created the /dev/rfcomm0 using  command that I've forgotten.
I'll let you know in the unlikely event that I get mine working first...
There seem to be quite a number of likely looking datasheets around,
presumably for different firmware. Jimmy had his device working under
windows, so I Jimmy did you use the power on defaults, or some
commands to give you the baud rate etc that you wanted?

Richard

On Thu, Sep 15, 2011 at 2:57 PM, Synco Reynders
<synco.reynders at gmail.com> wrote:
> Hi,
> I ordered some of these modules when this thread started... yesterday
> I finally received the delivery (5 weeks ain't too bad for
> dealextreme).
> Anyway, I looked at the datasheet and suspect they upgraded the
> firmware, since there are many inconsistencies; eg default baud rate
> is 9600 not 38400, default pincode is 1234 not 0000, having problems
> with the AT commands, ...
> Has anyone else got the AT commands working?
> /s
>
> On 20 August 2011 23:40, jimmy allen <jimmy1248 at gmail.com> wrote:
>> These probably aren't ideal for applications that are required to be reliable.
>> I used my laptop as the master.
>> Each module appears as a COM port, so theoretically more than one
>> could be used simultaneously.
>>
>>  Jimmy
>>
>>
>> On 8/20/11, Volker Kuhlmann <list0570 at paradise.net.nz> wrote:
>>> On Sat 20 Aug 2011 12:35:31 NZST +1200, jimmy allen wrote:
>>>
>>>> http://www.dealextreme.com/p/wireless-bluetooth-rs232-ttl-transceiver-module-80711
>>>
>>> How many of those can you use simultaneously?
>>> What do you use as master?
>>>
>>>> I think this is the datasheet I used
>>>> http://www.hmangas.com/Electronica/Datasheets/Bluetooth%20Module/Bluetooth_HC-05.pdf
>>>
>>> How has anyone managed to relate this datasheet to the thing sold by DX?
>>>
>>>
>>> I had a look recently for similar but higher quality products. The usual
>>> contenders (element14, mouser, digikey) sell these for about $30-50+GST:
>>> Panasonic PAN1321, Laird BTM411, Roving Networks RN-42 (or RN-41 for
>>> class 1 power). All come with a proper datasheet and CE + FCC approvals
>>> and do SPP. Some do bluetooth 2.1 (better encryption).
>>>
>>> Volker
>>>
>>> --
>>> Volker Kuhlmann
>>> http://volker.dnsalias.net/   Please do not CC list postings to me.
>>>
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>
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