[chbot] Wireless Bluetooth RS232 TTL Transceiver Module

[jimmy allen]

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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