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Author Topic: Finished my Chronos
richb
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Posts: 6
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Post Finished my Chronos
on: February 16, 2014, 20:20
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Hey Everyone,

Finally finished my Chronos and have it working w/ MakerSlide. It will be for a friend's sand sculptures. Now I just need to figure out how to use it correctly.

Thank you Chris for making this project available to everyone!
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richb
Newbie
Posts: 6
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Post Re: Finished my Chronos
on: February 17, 2014, 00:36
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What am I doing wrong here? I can make it run the default GO routine where it runs every 5 sec., but how do I change it to move say every 10, 30, 60 sec? I am using a GoPro so all shots are handled through the camera.

Chris@Chro-
nos
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Posts: 137
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Post Re: Finished my Chronos
on: February 17, 2014, 16:02
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RIch,Thank you for sharing, that looks fantastic! :)

To change the shooting interval, move the Mode dial to INT, then use the adjust dial to slect the time between frames, so if you want 10 seconds set it to 00:10 and press SET. Then when you start in MGO (GO) it will pause 10 seconds between each frame :)

richb
Newbie
Posts: 6
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Post Re: Finished my Chronos
on: February 18, 2014, 00:50
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Thanks Chris, I got it now. I could never find the INT mode, only something like RUNE. So I went through the program setting again and saw the RUNE mode at the end, set it to OFF and on reboot I now have the INT selection. Working great. Now I just need to wire in the limits and maybe gear the motor down some.

Thanks again!

Chris@Chro-
nos
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Posts: 137
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Post Re: Finished my Chronos
on: February 18, 2014, 14:46
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it was probably saying RUNT. :)

RUNT = Run Time

This is a feature i added which is another way of derermining the intervals between shooting, but instead of simply selecting the Interval directly, you can select the total run time of the routine, so if you select 1 hour with 420 frames it will set the intervals up for 8.571 seconds in order to capture 450 frames in a 1 hour timelapse.

richb
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Posts: 6
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Post Re: Finished my Chronos
on: February 18, 2014, 23:00
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Ahh, so if I wanted it to run for a 4 or 8 hr shoot, would I use RUNT then or is that configured in another mode?

Also, how do I make sure the motor has constant power? This slide will be used in vertical applications occasionally. Is it feasible w/ a geared motor/belt or should I switch over to a leadscrew now?

Thank you

Chris@Chro-
nos
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Posts: 137
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Post Re: Finished my Chronos
on: February 19, 2014, 01:42
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Yes exactly.

If you want the motor to constantly run you have two options. Put the mode dial to INT and press out to run it in hot mode. Press in to go to cold mode. when running in hot the motor will constantly be powered. We originally added that to keep steppers from freezing and locking up in extreme cold weather. This is not a setting that survives through resets.

The other way to is to enter the calibration mode, find THR and set it to 100. This Is the micro stepping threshold, by default it is set to 10, this means the system kicks in microstepping anytime the total movement is less than 10% of the max distance. By setting this to 100 it will always be in microstepping mode. This will survive resets too. Two benefits for you, first, it will hold between movements, second it will increase the movement resolution 16x which should give better results if ramping the movement.

Check the speed, it is in the calibration menu as SPD3, it should be pretty low by default, under 20 or 30. You may need to slow it down if the motor just vibrates, just play around with it to find what works best for you

richb
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Posts: 6
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Post Re: Finished my Chronos
on: March 6, 2014, 15:35
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I decided to remove the belt and go w/ a lead screw instead as I was afraid the belt would not have the torque I required. Finished everything last night and it works perfect. Shipping it out to my friend today.

Thanks again Chris!
Image

Chris@Chro-
nos
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Posts: 137
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Post Re: Finished my Chronos
on: March 6, 2014, 16:42
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That looks fantastic! Excellent job!

Hey Rob, I am always looking for any sort of review or testimonial not only on the products but also the entire DIY aspect. If you would be willing to do a quick write up with your experiences that would be awesome. Good AND Bad, so i can learn what i need to do to make this easier.

richb
Newbie
Posts: 6
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Post Re: Finished my Chronos
on: March 6, 2014, 16:55
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Chris,
I'll see what I can think of that might be of help to everyone. Will definitely be posting clips of it in use though, it's for my friend's sand sculpting business in Key West.

-Rich

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