Arduino Photography & Video
DIY intervalometer for Nikon DSLR cameras

Etharooni designed this wonderful intervalometer to help him take awesome photos with his camera. He writes:

Entry-level Nikon DSLRs don’t have many built in features that the higher-end cameras do, like an interval timer, for instance. It’s an exceedingly useful feature. If you want to take star trails, time lapse, repetitive self-timer shooting, or whatever, an intervalometer is really important.

Another feature that Nikon seems to have forgotten about for us lower-class photographers, is a built in, physical, connected cable release. If that existed, this project wouldn’t be that spectacular. What they do have, though, is an infrared sensor for taking photos with a remote. So, logically, I took advantage of that for the project.

He has a nice write-up about the project, including schematic, Gerber files, source code, and even a list of things to change for version 2.

22 thoughts on “DIY intervalometer for Nikon DSLR cameras

    1. Certainly, and there are also hardware modules that can be purchased to do the same thing, but it’s much more fun to make your own :-).

  1. Very nice. I set up a similar board but have yet to finish the code for it.

    Some features that wouldn’t be too difficult to implement: trigger on sound level, light level, prox sensor, etc.. Although the lag is far to much to catch say, a balloon popping.

    1. Yeah, there’s actually a header on the far right that allows photos to be taken with external circuitry. I found that, with manual focus, it takes a little less than 300ms for the camera to snap a picture.

  2. Is it a trick of the light, or do the leads on the AVR (microcontroller) look like they are painted on? I keep looking, and they continue to look completely flat.

    1. Heh. Nope. I just used a big ol’ piece of paper to bounce a flash off of, and it does weird things with light.

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