Just purchased a TriggerTrap dongle and downloaded the free app to my iPad.
Trigger trap allows you via the app to control your camera by sound, motion, seismic as well as time lapse and time warp and "bulb ramping" (painful?) . £30 quid including postage in UK
My first shot:
TriggerTrap by petach123 (Peter Tachauer), on Flickr
Trigger trap allows you via the app to control your camera by sound, motion, seismic as well as time lapse and time warp and "bulb ramping" (painful?) . £30 quid including postage in UK
My first shot: