From Jeremy S. Cook on hackster.io:
If you have a Canon DSLR (may work with others—I’ve tested it with a T2i) that you’d like to set up to observe nature and other phenomena that moves, this device will help you do just that. It uses a passive infrared (PIR) sensor—described here among other microcontroller sensing options—to detect motion, then an opto-isolator to connect the ground and trigger pins. No other active components are needed!
Read more and see more on YouTube
We #celebratephotography here at Adafruit every Saturday. From photographers of all levels to projects you have made or those that inspire you to make, we’re on it! Got a tip? Well, send it in!
If you’re interested in making your own project and need some gear, we’ve got you covered. Be sure to check out our Raspberry Pi accessories and our DIY cameras.
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