DSLR Control?

I would like to figure out how to interface with a Panasonic GH2 and control it's shutter release like an intervalometer.

http://www.amazon.com/gp/product/B00404X7V6?ie=UTF8&tag=cheoocsy-20&linkCode=as2&camp=1789&creative=390957&creativeASIN=B00404X7V6

Anyone hear of this being done before with arduino? Point me in the right direction?

Controlling a camera with Arduino is a very common thing. This might get you started: http://www.zipfelmaus.com/blog/hack-a-canon-camera-and-controll-it-with-an-arduino/ http://timmsuess.com/intervaluino/ http://dynamicperception.com/ http://openmoco.org/ http://www.trevorshp.com/creations/intervalometer.htm http://www.thewhippersnapper.com/LittleBramper/Site/Home.html http://controlyourcamera.blogspot.com/2010/01/infrared-controlled-timelapse.html http://www.arduino.cc/playground/Main/SonyShutterIR http://www.mindspring.com/~tom2000/Projects/AI-1_Remote/AI-1_Remote.html http://www.aidandunbar.co.uk/electronics/2011/thintervalometer http://www.glacialwanderer.com/hobbyrobotics/?p=11 http://interface.khm.de/index.php/lab/experiments/time-lapse-photography-with-arduino-and-chdk/ http://canon-hf100.blogspot.com/2009/07/diy-camera-motion-control_09.html http://www.youtube.com/watch?v=GbUsvdtd64o http://www.youtube.com/watch?v=YcDXyajPIXk http://www.youtube.com/watch?v=Y-RKiF_JtFg http://www.youtube.com/watch?v=yf3fo8HogBQ http://www.youtube.com/watch?v=vq38THCjNxU