Automatic shooting movies after exact time... - General Help and Assistance on using CHDK stable releases - CHDK Forum
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Automatic shooting movies after exact time...

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Offline foler

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Automatic shooting movies after exact time...
« on: 19 / March / 2009, 08:47:25 »
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I have 3 x G7 for recording my race car. I need some solution for automating recording/stoping/recording/stoping movies. This is because file size is limited to 4gb or 30min and I cant go outside car and do this personaly. So, I need some solution where I can define that recording start now and finish after 30 minutes, and automaticaly start record again. Do I can use chdk for this? Idealy if I can automate all 3 cameras in sync.

thanks
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Offline Microfunguy

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Re: Automatic shooting movies after exact time...
« Reply #1 on: 19 / March / 2009, 09:59:50 »
Quote from: foler on 19 / March / 2009, 08:47:25
Idealy if I can automate all 3 cameras in sync.

If you want excellent synch you will have to use a simple microcontroller (such as PICAXE) to switch +5V to the USB connector on all cameras, a script is not required.

Synchronised shooting begins when you remove the +5V.

Some people are using nine cameras synchronised with StereoData Maker (SDM).

If you do not use a microcontroller but start the same script in all three cameras, I have no idea what the synch will be after 30 minutes.


David
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