I started this project all the way back in April 2009. I designed the hardware, wrote the software, got it all built, and then I moved house. Finally, I have gotten back to it and finished it off, adding in the last bit of functionality I hadn’t quite finished yet.
Basically, this is a small box you can connect to any camera that accepts an external trigger. It is designed for Canon DSLR cameras, but can probably be adapted for any other camera with a trigger input.
Features include: manual shutter, bulb mode (click to open, click to close), delayed shutter, repeated shots (for time lapse etc), and delay from external trigger (e.g. trip a laser beam, sound trigger, etc).