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Bluetooth functionality for a project using PIC

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Slayerza

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Bluetooth and PIC

Hi,
I need to get Bluetooth (class 1 or 2) functionallity for a project using a PIC. How do I do this? I saw some of those Bluetooth Modules but are they any good?

Thanks
Slayer
 

aslm

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Re: Bluetooth and PIC

There are many modules out there and you shoudl find one that has the stack included if you are useing i a PIC.

I have erlier used one from www.free2move.se that implements the SPP profile and works as a serial port. You connect to it just as a serial port with the MCU and there is no need for any BT setup or simular, then a computer can discover this module as a BT serial port. The serial port can then be accessed as a normal serial port on the computer.

There are also modules that support other profiles, like hedset and simular if you need to do some other kind of device.

On the other hand if more general support for BT is needed, like your PIC should be able to acess whatewer kind of BT devic you need to hava a BT stack runnig in the PIC and thats not an option.

regards Me
 

Slayerza

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Re: Bluetooth and PIC

Ok so the SPP protocol is indeed the one I need as this is for the short range telemetry market. However why is it not an option to run the Bluetooth stack on the PIC?

Cheers
Slayer
 

aslm

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Re: Bluetooth and PIC

Im not the most experienced BT person out there but I have investigated how to support BT for a project an I dont think that a full BT stack implementations is small and simple enough to do in a PIC

Smalles solution I have seen is about 40k with a need of about 8k of ram.

regards Me
 

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