I'm looking to get the ardupilot to take photo's using my Canon camera that runs CHDK perhaps when it reaches a waypoint.
CHDK has a USB remote shutter function described [URL=http://chdk.wikia.com/wiki/USB_Remote_Cable]here[/URL]
Im not sure if any of you have experience with this, but I am right in thinking all i would need to do is get the ardupilot set one spare pin to HIGH for say 200ms when it reaches the desired waypoint?

Also, on a side note, I would like to buy the Xbee Pro 868 dev kit but I'm having trouble finding a distributor that would get it to Australia for a reasonable price.
Would anyone in the US with a reputable record on DiyDrones be willing to forward this to me in Australia? I would cover all delivery expenses of course.

Thanks for your help.
Nick