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Modifying a Canon DSLR into a Game Camera

I write from Italy, I have little experience in camera hacking: I work on compact cameras (digital and film) to build game cameras to detect wildlife...

Now, I'm very interested on building a system with a DSLR (thinking on canon eos350D) to obtain high quality pics... and reading your pages, I thought to write to you, to ask an important question that at the moment is the main question I need to solve: the power-on of the eos350D.

I see it's a switch: I think inside there are 2 metal contacts that short when I switch to on position...I'm thinking to find these 2 contacts and make work them with a relay: maybe I can connect them to a NO contact, and remotely (with a PIR sensor that close that contact for a while) power on the camera, ready to shot.
Or maybe using the NC contact...the camera auto power off, and when animal arrives remotely (PIR sensor controls the relay) I open for 1 second, and then close again the contact...and cam will stay on for the time I set.
So.

Both can work, but the main question is: is possible to find these 2 contacts?

Do you know if is possible to open the camera, and reach these 2 contacts?
Maybe is there a tutorial on internet about this work?

Then, I would bring them outside, maybe making a hole in camera case... and for shutter trigger, simply I'll work with the RS60-E3 wired to a relay-pir sensor system...

Hoping in your help...I really thank you from now!
Hacking cameras is really exciting!!!

Luigi ITALY
Mon, 31 Jan 2011 16:41:28 +0000

I believe what you propose will work. However, I would like to propose a simpler solution before you go down that path.

Canon's EOS DSLR camera can all take a remote switch for auto-focus and shutter release. In addition, there is auto-turn-off setting where you can set it to 1 minute, 5 minutes, 30 minutes, etc. Once the camera has automatically turned off, while the power switch is in the "on" position, you can press the shutter button half-way down and the camera will automatically wake-up. This feature works with the remote switch as well.

The point is, you can accomplish your goals by wiring up a remote switch that does exactly what you'd like to do. And you don't even have to open up the camera.

Take a look at our list of Hacks to see how-to articles on wiring up a remote switch.

Chieh Cheng
Mon, 31 Jan 2011 16:49:28 +0000

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