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So, the idea of the arduino intervalometer is to trigger a camera at a set interval – therefore the first thing to figure out, is how to actually triggering the camera.

Most DSLRs have a pretty straight-forward way of triggering the camera, using the remote port. Opening the port, you find three pins, one ground, one for auto-focus and one for taking the picture.

Connect ground to #2, the camera focuses, and connect ground to #3, it takes a picture.

Disable auto

When shooting with an intervalomer, you will want to disable autofocus, and set the camera for manual focus. You can see below why using autofocus when shooting a timelapse is a bad idea

Apart from disabling autofocus, you should also disable other automatic controls such as whitebalance and lightmetering.

So all we need to do, is connect gnd and #3 pin – though you might want to experiment, some cameras won’t take the picture without #2 being connected to gnd, even if autofocus is disabled!

What I did, was I used the connector from a remote I had lying around.

 

 

Ok, just a quick tip for a better way to get to your programs in windows without using the mouse.

We will create a windows shortcut for your programs accessible from the ‘run’ window.

First of all, create a folder somewhere with a name you can remember. The name and the location doesn’t matter. I usually go for “C:\shorts”.

  1. Now go to start (or your desktop) and right-click “My computer”.
  2. From the menu choose “Properties”.
  3. Now, on the left, find and click “Advanced settings”.
  4. In the window which appears, click the button “Environment variables”.
  5. In the bottom field, scroll down to the variable “path”. Hightlight it and click “edit”.
  6. Now go to the end of the line and enter the path for the folder you created. Make sure to seperate it from the previous entry with a “;”.

Click ok, ok, and ok. Now go to your folder and put shortcuts for whatever program you want in there.
Rename the shortcuts to something easy to remember; “ff” for firefox, “sp” for spotify, and so on.

Now press [win]+[r] and type whatever name you gave your shortcut, press [enter] and it opens the program.

Once you get used to this way of doing things, you can’t imagine yourself going back to the old way of doing things.

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