Thread: USB to RCA Connectors?
January 26th, 2009, 01:31 AM #1
USB to RCA Connectors?
I have searched the Net and used the TechIMO search utility and seem to be drawing a blank. Is there a way to use USB webcams with a recording device with an video RCA input?
I know that USB connectors consist of two data contacts and two power contacts.
Normally, the convention is this:
Red = 5 volts DC power
White = Data -
Green = Data +
Black = Ground
And for the RCA or composite connector, the central pin consists of signal and the outer connector is ground.
I would have imagined that a USB to RCA / Component adapter might require a 5 volt power input and that you might have to sacrifice either video or sound, choosing one over the other as it feeds into the RCA circuit.
Those who have a good knowledge of such circuits please feel free to enlighten me.
Granted, I have found rather elaborate Dazzle and WebTV devices, which have mixed results in utility. Alternately, I have found rather expensive adaptors going the other way: e.g. RCA to USB , but as yet, nothing going from USB video output to RCA video recording input.
What am I trying to accomplish?
I have numerous webcams, Logitech, Intel, Creative, etc... but all require a computer to function. It would be nice to be able to rig a webcam as a video cam, for instance, to keep an eye inside and outside of your vehicle and catch thieves and vandals in the act.
Whether the signal gets recorded inside the vehicle or transmitted to a remote receiver is a bridge we can cross later. I would just like to be able to put these webcams to work as vehicle security cameras.
Alternatives might be USB-to-BNC connectors and USB-to-F-connector (the normal connector one might find on a cable connector).
Thanks in advance,
Other links for using webcams as security cams
Turn your webcam into a security camera with Periscope - Download Squad
Last edited by kopfjaeger; January 26th, 2009 at 01:34 AM.
January 26th, 2009, 02:15 AM #2
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Not even remotely possible.
You will need something that accepts USB connections and can output video, like a computer or a special machine designed to do that."The problem with quotations on the internet is that the sources are hard to verify" - Abraham Lincoln
January 26th, 2009, 03:11 AM #3
I agree entirely... USB is a digital technology. RCA connectors are analog. There is no way to go directly from one to the other without a sophisticated conversion device, such as a computer, to act as intermediary.
My suggestion for your surveillance operation is to get a solution from a place like X10.com - Security Cameras, X10 Home Security, Wireless Camera, Home Automation, Electronics and More!. They have webcam-like devices and other technologies that may help, but nothing is available to go from USB to RCA, directly.Logic shall prevail.
January 26th, 2009, 05:16 PM #4
Thanks for responding. That would probably explain the dearth of USB-to-RCA connectors!
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