Fwd: Technical details on the night vision monocle

From Wear-Hard Mailing list Archive (WH) Maintained by R. Paul McCarty

Here's some stuff  I've been siting on while the list was down.

Wal-Mart has them for $49.88 (online only) 

http://www.walmart.com/catalog/product.do?product_id=4104878

Anyone figure out what you need to do to connect a color NTSC feed to
one of these yet?    

Dr. Panthera Tigris Altaica

--- Abe <> wrote:

> Date: Tue, 11 Oct 2005 13:59:12 -0400
> From: Abe <>
> To: 
> Subject: Technical details on the night vision monocle
> 
> I've managed to do the the technical footwork, but unfortunately, the
> wearhard servers ate my last mails, so there has been a bit of a
> delay
> getting the information out. If you could forward this to the list,
> I'd be much obliged.
> 
> The four-wire ribbon cable between the camera and the display
> board appears to carry the following signals:
> 
> Brown: Video Signal
> Red & Orange: +5 volts
> Yellow: Ground
> 
> I removed the brown wire completely and attached halves of a video
> cable with RCA connectors on the ends. The shield of the video cable
> went
> to the ends of the yellow wire (ground) in the display, and the
> center
> conductor was soldered in place where the brown wire (video signal)
> used to be.
> 
> This way, I can use a RCA cable butt connector to hook the camera and
> display back together, or seperate them and put a computer in the
> middle.
> 
> Everything works, in that I can get video output from the camera on
> my
> Commodore 64 monitor and can send a picture to the display from a
> spare video camera. There is one small snag, though.
> 
> The entire device is built UPSIDE DOWN in relation to the wearer's
> head! The video comes out of the camera with top and bottom reversed.
> The cyberdisplay is installed upside down, so everything looks right
> side up.
> 
> I think this was done so that the ribbon cable for the cyberdisplay
> would point into the body of the device rather than off to the other
> side.
> 
> I'll add all this data and more pictures to my web site as soon as I
> fix the server. It went down after a minor flood of the basement that
> it's in, but I don't think the two things are connected.
> 
> As with any hardware hacks you find on the internet, your mileage may
> vary. These plans may help, or they may eat all the cheese in your
> house.
> 
> If you order from Wild Planet, you can use the coupon code VIPTOYS to
> get 10% off. That's not as good as Dr. Altaica's Toys R' Us deal, but
> it may be good if Wild Planet drops their prices.
> 
> As a side note, I have a camcorder eyepiece that used a similar color
> scheme for its power, ground, and video signals. Has anyone else run
> into this brown/red/yellow scheme before?
> 

Dr. Panthera Tigris Altaica

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