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Wireless for video glasses set up and more

Discussion in 'Night Vision Optics and Illumination' started by FGYT, Feb 11, 2014.

  1. FGYT

    FGYT Engaging Member

    Messages:
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    Location:
    Cranborne Chase Dorset
    A new thread following on from my build well over a year ago :eek::rolleyes: http://www.airgunforum.co.uk/forums/showthread.php/139303-NV-with-video-glasses
    My how its all changed :cool:

    So a guy (Roloids you tube ) sorted out the Switching camera bit I was looking at he AV switches back then but they always seemed to big

    I have now found a smaller switch But then thought about severing the link between me and the gun with all the leads so you can put it down , Not tangle on stuff etc

    found the easiest way is basic 2.4Khz transmitter CCTV stuff easily plugs into any camera and viewing system
    now this is limited on range and prone to interferance etc but its only got to jump a couple of ft ;)

    Maplins have a set for £30 and are just down the road ;) so a quick trip and i have a working Wireless kit..... almost

    the one in the shop is a newer model than the one on the website and runs on a 8v supply :rolleyes: so works perfectly if i have a mains extension
    ive located a 8v battery pack but they are out of stock till 17th feb

    I also have coming 3 more transmitter units to see if its better to switch cameras via the 4 channel receiver or add an additional switch for the head cam
    if the reciver works as a switch well enough i may have a play and make up a remote spotter cam with IR and battery pack you could put down in an area while working elseware and keep an eye on it for later ??? :D

    you could also have an additional receiver/s for a DVR or a screen

    any way here it is working on the bench so to speak as ive a new EJ230 bullet cam and not sorted the mounting yet

    its transmitting to my 42" TV :cool: and ive been playing and put a set of cross hairs centred (going to use that to help set the Camera center with my cross hairs on the scope then turn it off

    Transmitter connected to a EJ230 bullet cam the transmitter also has a microphone if that's any use to people no idea if its any good

    will fit nicly in my Butt pouch just the single wire from the camera running in

    [​IMG]

    Receiver this and a battery pack wont add much to a belt or pocket
    [​IMG]


    and running via my TV ( 230 focus is a little off and no IR filter )

    [​IMG]
     
    Last edited: Feb 11, 2014
  2. r10hunter

    r10hunter Honorary Member

    Messages:
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    Location:
    lincoln
    I use a 12 volt battery to power everything just use droppers.
    You could run one dropper off of ia 12 volt battery at 5v for your goggles and one at 8 volts for your receiver they are tiny and fit in a small project box.
    Cheers Andy
     
    Last edited: Feb 11, 2014
  3. FGYT

    FGYT Engaging Member

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    Location:
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    do you have a link ?? please
     
  4. terry1001

    terry1001 Major Poster

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    Location:
    Ipswich
    http://www.ebay.co.uk/itm/L7808CV-S...arts_Vehicles_CarParts_SM&hash=item54037ef5e6 or search for 7808 voltage regulator - may well have them in Maplins as well.
    The 9 volt regulator is quite common and one of those plus a resistor in series (don't know which one off hand) would also give you the voltage you want or a variable resistor (potentiometer) would allow you to adjust the voltage down from a 12 volt supply although the excess voltage will generate some heat.
    As Andy said you could use a couple of the regulators mounted on a small piece of pcb which would fit easily into a small space.
    8 volts is an unusual supply voltage, if you want self contained a pair of 18650 or 14500 batteries in series would probably do the job quite well.
     

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