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Mark Harris

Voltage for a camera

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Hey guys,

I have a 8-12v CCD camera here that i'm wanting to run off a 3S lipo. These peak at 14.4v so i need to drop 2.5v or so to make it not kill things.

How would you recommend that i go about this?

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All 12V cameras that I seen have regulator, you should not have problem to use it directly on 15V. Camera normally are connect to 12V transfo, most tranfo will get 15-16V.

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I was looking at those, but its rather expensive to get them sent over here to Australia.

Hey Mark

Try Robot Parts here in Australia. I got the 5 volt one for about $21.

Cheers

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Thanks for the link OzFlyer, i'll order one in :)

Vrflyer, thanks for the response. I called up Swann (the people who make it) and they said it would die if i put in the full 14.4 directly.

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Hey, a fully charged 3s lipo is at 12.6V, not 14.4! Or you'd be granted free fireworks!

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Then I'd like to see what cells you have. Any standard Li-Po's out there have a strict 4.2V/cell maximum charge end voltage...

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These peak at 14.4v

Are your sure you have LiPo's ?

14.4v is quoted for 12 NiMh cells or 14.8v for 4 LiPo's. It would be worth you checking before something goes amiss. :rolleyes:

Terry

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A standard voltage regulator should work well (7805). It cost $1.

What is your camera, I'm very surprise to see a 12V cam without regulator.

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Vrflyer, do you mean 7805 or 7808 ?

I must admit 8v to 12v seems a large range for no regulator inside.

Terry

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Vrflyer, do you mean 7805 or 7808 ?

I must admit 8v to 12v seems a large range for no regulator inside.

Terry

I mean 7808. All camera that I tried have regulator and design to work on 12V. But all these camera work also when the voltage drop to 8V without any problem. Are you sure where you get your info they know what they say, Your camera probably have regulator in it. Look with a magnifier and follow the input lead, sometime it goes directly to a regulator.

Send another e-mail and ask them if you can use a standard 12V dc tranfo to power your cam or you must absolutly use battery or special transfo with well regulated supply.

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Guessing i read the packet wrong or remember the voltage wrong hehe.

They are lipos.. i have quite alot of lipos lying around :).

When i called them they said any voltage over 12v will kill it.

regulator.png

Is what i made up :) seems to work.

edit: Actually i didn't end up putting the LED in. Couldn't be assed.

Edited by Mark Harris

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