Auto Trigger Method for 3D Printing Timelapses #3DThursday #3DPrinting

Yelneerg shares:

I’ve been experimenting with a new method of doing printing timelapses. I’m pretty happy with the look so far.

I have an arduino connected to a reed switch sensor which triggers every time the print head moves out of the way (which happens because I’m also printing a sacrificial tower on the other side of the print bed). The arduino then sends a trigger signal to my Canon 20D over the analog remote port (litterally just connecting a pin to ground through a transistor). It then waits 10 seconds before starting to check for the signal again so that I don’t get double shots. Here is my whole (super sketch atm) setup.

The wiring diagram is here. Check out this site for more info on the camera connection.

via: https://www.reddit.com/r/3Dprinting/comments/68nong/ive_been_experimenting_with_a_new_method_of_doing/

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