Re: [Paparazzi-devel] Radio module: Lairdtech LT2581 vs XBee Pro (pin compatible)

[Meier Lorenz]

Hi Felix,

Sorry, I misspelled the product name. It's LT2510 (as listed on the wiki page), 
not LT2581.

The modules are available for example here (the $30 ones are the actual 
modules):

http://fr.mouser.com/Search/Refine.aspx?Keyword=LT2510

Don't let you misguide by the pictures, some are SMD and some hav XBee pins.

Cheers,
Lorenz


Am 22.02.2011 um 20:05 schrieb Felix Ruess:

Hi Lorenz,

nice video! Now we "just" need good enough sensors and estimation to do that 
without a Vicon System ;-)

I didn't know the Lairdtech modems before, but that sounds promising... Where 
did you buy them, I only found the dev kit at digikey and mouser...

Cheers, Felix

On Fri, Feb 18, 2011 at 9:34 PM, Meier Lorenz 
<address@hidden<mailto:address@hidden>> wrote:
Hi all,

I was wondering if anyone has used the Lairdtech LT2581 outdoors. I've used 
them indoors extensively, also in Wifi and XBee cluttered environment.

Turns out the Lairdtech modules still get something to the target when XBee and 
Wifi drop dramatically large packet numbers.

I did the control link for some autonomous quads with them (only the link, the 
credit for the control design is with the group of Prof. d'Andrea):

http://www.youtube.com/watch?v=ToACDIXTzo0
http://www.idsc.ethz.ch/Research_DAndrea/FMA

I'm asking all of this because the Lairdtech modules are pin-compatible and a 
drop-in replacement for XBee and we're considering them as outdoor modules 
instead of using XBee (currently our main module for telemetry, whereas 
Lairdtech is used for control signals):

http://pixhawk.ethz.ch/wiki/electronics/communication#radio_modems

-Lorenz
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