Q wrt Bluetooth, USB, RS232 and controllers

From: bit eimer (bit_eimer.keinewurst_at_cox.net)
Date: 04/30/04 

Date: Thu, 29 Apr 2004 19:33:05 -0700

Hi all,

I'm new to this forum - hope to find some answers/help on the following:

I doing a project in which a laptop needs to communicate with a remote
PIC-based device. I had originally planned to use RS232 at each end talking
through a pair of 900 MHz Linx transceivers. Since this was to be a one-off
prototype, I kind of ignored the regulatory issues.

Now, I'm thinking that maybe I would like to switch to Bluetooth, primarily
because there should be no licensing/FCC approval required. This approach
would also simplify the PC side since I could (I think) just use a USB-based
Bluetooth unit (like D-Link). But on the PIC-based remote, I'm at a loss.
I've seen several "RS232 cable replacement" Bluetooth units that seem to
imply you just plug them in and you're done. On the other hand, I see lots
of comments that suggest there's usually a fairly complicated s/w stack that
goes along with a Bluetooth module. On the PC side, I assume that's just
the manufacturer-supplied driver's problem (or the OS's). But I don't have
a clue what this means for my poor little PIC, or if its even feasible.

So I'm leary at this point, because I don't really want to become an expert
in Bluetooth profiles/protocols/whatever just to replace a straight-forward
RS232 link.

If anyone has tackle this issue and can provide some
hints/advice/suggestions, I sure would welcome it.

TIA, 

-- 
...The Bit Eimer     [remove keinewurst to email me]
"My goal in life is to be the kind of person my cat thinks he is"
--------------------------------------------------------------

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