A while back Haje Jan Kamps kickstarted TriggerTrap - an open-source magic camera trigger box. This box has evolved into TrigerTrap Mobile, a similar device that relies on the smarts of a smartphone rather than of a box.
When Lorenz Bee asked me if I wanted to post a DIY version of the dongle, I asked Haje. He was totally cool about it and gave his blessing. I think it may be a cool project to experiment and understand how camera triggers work, better that reviving an old mouse anyways.
If you just want a cool trigger for you camera that uses a smarphone and don't really care about soldering, just grab the dongle here, and the app here (iOs, Android). Otherwise, if you are doing the solder thing, just get the app.
If you have some basic soldering know-how making a homemade dongle should be pretty easy. Click to continue ›