Automatic Time-lapse Dolly - Creative Uses of CHDK - CHDK Forum
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Automatic Time-lapse Dolly

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Offline c_joerg

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Automatic Time-lapse Dolly
« on: 12 / March / 2019, 08:23:54 »
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My first DIY time-lapse Dolly. It consists of a 2WD Robot Chassis and a Camera Dolly. But you could also have taken a 4wd robot chassis directly.
The whole thing is controlled by an Arduino Nano and a DC Motor Driver Module L298N. For the display, I use a 0.96 "OLED display SDD1306 128x64. All is programmed via a VS1838B infrared diode.
The interval timer is on the camera thanks to CHDK. But you could also realize that in the Arduino.
The Arduino hangs on the hotshoe with an external interrupt. This ensures that the dolly moves immediately after closing the second shutter curtain. The system then has the maximum time for stabilizing.
The whole project was initially designed for low cost. Initial tests have shown that the dolly is very difficult to steer. Due to the gear transmission ratio, no smaller distances than 1cm / shot are possible.




 

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M100 100a, M3 121a, G9x II (1.00c), 2*G1x (101a,100e), S110 (103a), SX50 (100c), SX230 (101a), S45,
Flickr https://www.flickr.com/photos/136329431@N06/albums
YouTube https://www.youtube.com/channel/UCrTH0tHy9OYTVDzWIvXEMlw/videos?shelf_id=0&view=0&sort=dd
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Offline mckeephoto

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Re: Automatic Time-lapse Dolly
« Reply #1 on: 20 / May / 2019, 07:13:45 »
Whoa! Neat idea!
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Offline SX720

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Re: Automatic Time-lapse Dolly
« Reply #2 on: 12 / September / 2019, 22:11:20 »
This is excellent, I like how this the car and the camera integrate with each other. Also the photos of the device itself are very professional as well. Do you have any videos that you made with the camera/car combo?
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Offline c_joerg

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Re: Automatic Time-lapse Dolly
« Reply #3 on: 13 / September / 2019, 02:13:44 »
Quote from: SX720 on 12 / September / 2019, 22:11:20
Do you have any videos that you made with the camera/car combo?

Not yet. I was very busy this year. You also need the right location for the effect to come across.
As soon as I have a video, I will post it here.
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M100 100a, M3 121a, G9x II (1.00c), 2*G1x (101a,100e), S110 (103a), SX50 (100c), SX230 (101a), S45,
Flickr https://www.flickr.com/photos/136329431@N06/albums
YouTube https://www.youtube.com/channel/UCrTH0tHy9OYTVDzWIvXEMlw/videos?shelf_id=0&view=0&sort=dd
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Offline c_joerg

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Re: Automatic Time-lapse Dolly
« Reply #4 on: 26 / August / 2020, 11:24:31 »
Quote from: SX720 on 12 / September / 2019, 22:11:20
Do you have any videos that you made with the camera/car combo?


Didn’t had much time, but my first video with the dolly

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M100 100a, M3 121a, G9x II (1.00c), 2*G1x (101a,100e), S110 (103a), SX50 (100c), SX230 (101a), S45,
Flickr https://www.flickr.com/photos/136329431@N06/albums
YouTube https://www.youtube.com/channel/UCrTH0tHy9OYTVDzWIvXEMlw/videos?shelf_id=0&view=0&sort=dd
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Offline udo

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Re: Automatic Time-lapse Dolly
« Reply #5 on: 28 / August / 2020, 02:01:04 »
Cool stuff!
Could an S110 do similar?
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Offline c_joerg

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Re: Automatic Time-lapse Dolly
« Reply #6 on: 28 / August / 2020, 02:28:19 »
Quote from: udo on 28 / August / 2020, 02:01:04
Cool stuff!

Unfortunately, the video on YouTube doesn't run as smoothly as it does on my PC. Is probably due to the high compression.
But also on my PC it depends a lot on the video player used.


Quote from: udo on 28 / August / 2020, 02:01:04
Could an S110 do similar?

Theoretically yes.
But I trigger the dolly with the hot shoe. The timer runs with rawopint in the camera. You would then have to find another way of triggering (HDMI or Focus LED).
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M100 100a, M3 121a, G9x II (1.00c), 2*G1x (101a,100e), S110 (103a), SX50 (100c), SX230 (101a), S45,
Flickr https://www.flickr.com/photos/136329431@N06/albums
YouTube https://www.youtube.com/channel/UCrTH0tHy9OYTVDzWIvXEMlw/videos?shelf_id=0&view=0&sort=dd
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