Author Topic: Using a bnc to vga convertor on peppermint 2  (Read 1359 times)

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Offline john-i-am

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Using a bnc to vga convertor on peppermint 2
« on: November 06, 2013, 09:39:18 pm »
Hello All
Apologies if this is posted in the wrong section.
Due to some low life breaking into my garage i decided it was time to install a cctv camera, which records on to a micro sd card, this can be removed and played on my Acer aspire one, running peppermint 2.
I then purchased a bnc to vga convertor to see what the camera is aiming it. Having plugged all the leads in etc i expected the home screen to automatically switch to a monitor. It didnt do this, i think because of something i have not done regarding settings on the netbook.
Any ideas and tips gratefully received.
Thanks
john

Offline Mark Greaves (PCNetSpec)

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Re: Using a bnc to vga convertor on peppermint 2
« Reply #1 on: November 06, 2013, 10:47:11 pm »
Can you explain what you have plugged into what ?

I'm imagining the camera plugged into the VGA port on the netbook (?) .. but that's VGA OUT and not designed for "receiving" VGA INPUT.
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Offline john-i-am

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Re: Using a bnc to vga convertor on peppermint 2
« Reply #2 on: November 07, 2013, 05:12:22 am »
Hello mark
Thank you for the reply
I have a cctv camera, with standard bnc cable connected to the bnc to vga converter. The vga cable is connected to the vga port on the netbook which plugs into the vga out port on the converter.
I was hoping to convert the aspire one to a monitor, just so i can see exactly where the camera is aiming. Just tried it on an old dell xl laptop with the same results, nothing.
I was hoping the netbook would switch automatically. I guess there is not a way to do this?
John

Offline Mark Greaves (PCNetSpec)

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Re: Using a bnc to vga convertor on peppermint 2
« Reply #3 on: November 07, 2013, 09:38:37 am »
That VGA port on a Laptop/Netbook is VGA "OUT" .. in other words, it is meant to send a video signal OUT to a monitor or other device.

it is NOT for receiving the video signal from anything .. in other words it is NOT VGA "IN" port.

So NO it cannot be done in Linux or in Windows .. the VGA port is just not capable of doing what you want.

[EDIT]

You'd need something like this BNC to USB box:
http://www.ebay.com/itm/4-Channel-BNC-To-USB-Converter-DVR-Adapter-Camera-Quad-Video-Switcher-/190648441437
and even then I doubt if it would work with Linux, as the drivers are bound to be Windows only.

There IS CCTV software for Linux, such as:
http://sourceforge.net/projects/viewmax/
but the BNC to USB box, or BNC PCI card would need Linux drivers .. so you'd need to do some homework on which DO have Linux drivers before purchase.
« Last Edit: November 07, 2013, 09:52:54 am by Mark Greaves (PCNetSpec) »
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Online chemicalfan

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Re: Using a bnc to vga convertor on peppermint 2
« Reply #4 on: November 07, 2013, 02:11:30 pm »
Possibly the best solution is to buy a second-hand cheapo monitor with a VGA input, and use it in the absence of a computer entirely.
I'd imagine you could buy a CRT or old LCD for 10 from a car boot sale or Gumtree (providing you could collect, of course)

Offline Mark Greaves (PCNetSpec)

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Re: Using a bnc to vga convertor on peppermint 2
« Reply #5 on: November 07, 2013, 02:50:37 pm »
Though I can't guarantee this, I somehow doubt that will work either, something tells me the camera output will need some processing .. but easy enough to try (if you have a monitor or course).
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Offline john-i-am

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Re: Using a bnc to vga convertor on peppermint 2
« Reply #6 on: November 07, 2013, 08:49:26 pm »
Thanks mark
It seems i was duped into buying something that was never going to work. The right up claims to convert any old pc or laptop into a security monitor, i didn't even think to question it.
There is an s video lead in the box, and i'm sure there is an s video port to the rear of an old crt screen i have, i wonder if that might work?
Cheers, john

Offline john-i-am

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Re: Using a bnc to vga convertor on peppermint 2
« Reply #7 on: November 07, 2013, 08:51:08 pm »
Thanks  Chemicalfan, that is a fair shout, i might just do that
john

Offline Mark Greaves (PCNetSpec)

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Re: Using a bnc to vga convertor on peppermint 2
« Reply #8 on: November 07, 2013, 09:40:16 pm »
Thanks mark
It seems i was duped into buying something that was never going to work. The right up claims to convert any old pc or laptop into a security monitor, i didn't even think to question it.
There is an s video lead in the box, and i'm sure there is an s video port to the rear of an old crt screen i have, i wonder if that might work?
Cheers, john

do you still have the write-up address ? .. if so, can you post a link.
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Offline Emegra

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Re: Using a bnc to vga convertor on peppermint 2
« Reply #9 on: November 07, 2013, 09:59:26 pm »
Quote
Due to some low life breaking into my garage i decided it was time to install a cctv camera, which records on to a micro sd card


I'm a bit confused (not difficult I know) but where does the sd card go while recording ?
If you can keep your head while all around are losing theirs, then you're not quite grasping the situation

Offline Mark Greaves (PCNetSpec)

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Re: Using a bnc to vga convertor on peppermint 2
« Reply #10 on: November 07, 2013, 10:38:28 pm »
I'm guessing the CCTV camera has a built in SD slot and records to that.
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Offline Emegra

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Re: Using a bnc to vga convertor on peppermint 2
« Reply #11 on: November 07, 2013, 10:49:46 pm »
Quote
I'm guessing the CCTV camera has a built in SD slot and records to that.

That's what I was wondering if so then he can't record directly on to the netbook but could possibly view in real time by connecting the BNC to a TV/monitor via the VGA converter
If you can keep your head while all around are losing theirs, then you're not quite grasping the situation

Offline john-i-am

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Re: Using a bnc to vga convertor on peppermint 2
« Reply #12 on: November 17, 2013, 05:01:06 pm »
Sincere apologies for the very late response, have not managed to get any me time on here for a little while now.
Not sure if this will work but will try post the links;
http://www.ebay.co.uk/itm/220898948398?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649
and;
http://www.ebay.co.uk/itm/161071519658?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649
i have installed the cctv but would love to connect the bnc lead to a monitor just to keep a check on what it is aiming at.
Any further advise would be appreciated.
Thanks
john

Offline SeZo

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Re: Using a bnc to vga convertor on peppermint 2
« Reply #13 on: November 17, 2013, 05:41:02 pm »
This might be obvious but the BNC output appears to be a standard component output (BNC instead of RCA) so you could try a BNC Plug to Phono Socket Adapter and just connect it with any AV cable to your TV input.

Offline Mark Greaves (PCNetSpec)

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Re: Using a bnc to vga convertor on peppermint 2
« Reply #14 on: November 17, 2013, 07:05:08 pm »
Yup if you have an RCA video IN socket, that adapter SeZo mentions may work.

The 2 links you provided would ONLY be able to display to a monitor without a PC in line .. so no capturing on a PC

But5 have you tried connecting your setup to a monitor directly with the adapter you bought

Camera --> BNC to VGA adapter --> Monitors VGA port

??
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