Ever encountered one of those Glade air fresheners that are set to automatically spray out fragrances at timed intervals? A Hack A Day member decided to take it apart to see how it works. Upon discovering a timed mechanism that triggered the spray release, he decided to build a contraption that would allow him to use the automated trigger to set his camera. The trigger can work manually or automatically at timed intervals (by default the presets are locked to 9, 18, and 36 minutes). He’s even posted up the instructions on how to accomplish this on his blog. Hit the break to watch a video of the trigger in action: