XBee not working with APM 2

Any help would be appreciated please!

We have been using an APM 1 with XBee telemetry and just received our new APM 2's.

Naturally we transferred the xbees to that board as per the photo's, but it won't connect, no matter what we do.

Is there a hardware issue with the APM 2 and the sparkfun xbee board?

We have two APM 2's and two sets of xbees and neither will work, they work quite happily when we plug them back in to the APM 1.

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Permalink Reply by Quentin Mayberry on February 24, 2012 at 3:31am

After changing out the sparkfun board for the xtreambee board all works well. 

So definite proof that the sparkfun xbee board does not like the APM 2 or vice versa!

Permalink Reply by Bob Byroad on May 21, 2012 at 6:23am

I'm having the same issue. I'm using an xbee set that works perfectly in other apps and seem to be communicating. However, when connected to APM2 mavlink will not connect. I have the correct USB port selected, I have the baud rate set to 1152000. I'm not a xbee expert (don't want to be) could someone help me with a trouble shooting protocol to determine where my problem lies?

Thanks in advance!

Permalink Reply by Quentin Mayberry on May 21, 2012 at 11:39pm

Try changing the baud rate to 57600 and see if that helps, the APM's are pre-set to use that speed unless you have changed it.

Permalink Reply by Bob Byroad on May 22, 2012 at 3:50am

Thank you Quentin! That did fix it! I had read in one of the threads the baud rate for APM2 was 115200 and the xbee should be set to match it. 

Regards, Bob

Permalink Reply by Quentin Mayberry on May 22, 2012 at 11:26am

Bob the xbee's work best at 57600k and the usb cable plugged directly in to the apm uses 115200k for your information.

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