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Re: [PSUBS-MAILIST] periscope
You can find LCD screens that are way cheaper than a netbook. Look for
camcorder monitor screens. They're tiny screens used as optional on-
camera monitors on video cameras that only have a viewfinder. They
just have a video in receptacle, there's virtually no setup and no
software. Also mini-TVs serve the same purpose. The screens are about
3-4 inches.
On Feb 15, 2010, at 6:37 PM, "Alan James" <alanjames@xtra.co.nz> wrote:
Thanks Jon,
Have been running around looking into this.
I was tempted with the thought of having several differant cameras
mounted
around the sub. It's a great idea. I found a 10" netbook for $200-NZ
but am wanting a screen
around 4" or less as I'm building very small, & the smaller you go
with these netbooks the more you
have to pay. For others with bigger boats this would be a good
option. Just take your laptop down
& plug in your cameras.
Alan
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From: "Jon Wallace" <jonw@psubs.org>
To: <personal_submersibles@psubs.org>
Sent: Tuesday, February 16, 2010 9:20 AM
Subject: Re: [PSUBS-MAILIST] periscope
Alan,
Most web cams are universally USB these days unless it is a high-
end cam that comes with it's own PCI based controller card. Ipods
and such do not have the capacity for drivers, or the power
necessary, to run the web cam. Most USB devices, including web
cams, are parasite devices which take their power directly from the
host computer. However, a small netbook won't cost you much more
than an ipod these days and you could have multiple USB cams
feeding into it with the benefit of being able to view from
multiple angles and record the diving session.
Jon
Alan James wrote:
Thanks Frank & Greg,
Frank the camera end doesn't seem a problem, I could use a web cam.
The problem being I would need a computer to go between it & the LCD
screen. I was looking at all sorts of screens including Ipods &
MP3s that
play videos but there wasn't anything I could just plug a web cam
into & was
advised that to make the circuitry to link the camera to a screen
would be quite difficult.
I think my best bet is to buy a cheap camcorder & as said wire the
lense
at the top of a mast & detach the screen from the body (if
possible). I just missed out on one
due to my poor bidding ability that went for $53- NZ that could
to take a 4GB card. I have an electronic geek friend with $40,000-
worth of remotely controlled
video cameras, so if I run into trouble "no problem".
Greg it would be neat to find that controlled spotlight site. Was
just thinking this morning how
good it would be to temporarily have your periscope mast off at an
angle & video your submarine in action.
I had thought of the idea of using a car side mirror mechanism to
rotate lights or a camera but the
angles would be limited.
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