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ELR - Target Cam 2 camera setup with DVR - (Copied from Scout approx 42,000 views)

Diver160651

Diver160651

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Minuteman
    • Feb 7, 2013
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    4,246
    La Honda
    Here is a link to the video from running 2 Target Cameras at the same time and using one receiver, DVR and integrated battery to switch between the ranges. (SD monitor view and a Tiny antenna)















    20 rounds, 10 at each distance (3 on paper) is on the video, so the shooting is a bit over 90 seconds, but hopefully not to long to view..

    To switch between distances or record, you tap on one of the silver buttons on the monitor. I had the camera a bit to far back as I was trying to get both the popper and paper targets in the frame to see the bullet holes clearly. It works well when moved closer to see the holes on paper. [IMG2=JSON]{"alt":"Traget cam with out external devices","data-align":"none","data-size":"full","height":"480","width":"640","src":"https:\/\/c6.staticflickr.com\/8\/7668\/27600777461_f68dcdb40a_z.jpg"}[/IMG2]
    Using only the multi-channel monitor, small receiving antenna and on board DVR and Lio-battery..

    I have packed the receiving unit (inside an Icon Pro 3200) this along with my shooting supplies out to high angle spots.

    It is very small and light. FYI, I shoot left handed thats why it is on the left. [IMG2=JSON]{"alt":"Untitled","data-align":"none","data-size":"full","height":"480","width":"640","src":"https:\/\/c5.staticflickr.com\/8\/7297\/27396084540_827ac05ecd_z.jpg"}[/IMG2]
    900 yard target wind was up to 30 at times.. As you can see in the video below the light was not working :( (But the cycle rate was a hair fast for it anyway) [IMG2=JSON]{"alt":"Untitled","data-align":"none","data-size":"full","height":"480","width":"640","src":"https:\/\/c8.staticflickr.com\/8\/7115\/27063968063_a5786153db_z.jpg"}[/IMG2]
    400 yard target reduced 66% IPSC with 6" red center popper.

    I've tested three cameras broadcasting at the same time over 2,000m, using the a larger panel refining antenna. This time, I was originally set up to shoot at 1300/800 yards, but came in to 900/400 yards to the targets because the wind was so bad.. The 400 yard position was partially obscured by brush so the signal quality was a bit lower and I aimed the sending unit to further up the hill at the 1300/800 position.

    Anyway, these cameras are easy to build yourself and the entire 2 camera setup fits in one small pistol box + a pice of rebar. These work well further than people can reliably shoot.

    Build List with links to the parts:
    Connectors, small parts, optional solar power and wireless extension:
    • 50ft Video Audio Power Extension Cable Pre-made All-in-One BNC with RCA adapters Extension cable to put battery, Transmitter and antenna 50' away from target
    • RCA Female to Female Coupler Jack Adapters 3PK - (need only 1 on camera side - local electronic will be cheaper)
    • BNC Female to RCA Female Coupler Adapter Connector 10PK - (need only 1 on camera side - local electronic will be cheaper)
    • DC Power Connector, JACKED DC Jack Adapter Plug For CCTV, Camera, LED Strips, 10 Pairs of 2.1x5.5mm Female and Male Connector (need only 3 pairs / 5 pairs if adding solar)
      • Price $12 .99
      • Web Link: DC connectors
        • Target Side: Battery 2x Female If adding solar +1 Female and +1 Male if adding solar
        • Transmitter 1x Male Camera 1x Male
        • FFP / Monitor side:
          • Battery 1x Female If adding solar +1 Female and +1 Male if adding solar
          • Monitor with integrated DVR and receiver 1 x Male
    • Video and audio Connectors Ksmile 6 Male +6 Female Plug to AV Screw Terminal Plug Connector / UTP Cat5/Cat6 Cable to AV RCA Male Screw
    • 100' Feet 18 GA Gauge Red Black 2 Conductor Speaker Wire Audio Cable
    • Spade connectors - 100pcs Female Fully Insulated Wire Crimp Terminal Nylon Quick Connectors Wiring Spade (need only 4)
    • SMA Cables
      • Transmitter: RF coaxial coax adapter SMA female to RP-SMA male (no center pins or cable with no center pins)
      • 12"/30cm Male to Female RP-SMA Extension Cable
      • Receiver/Monitor: If you get the panel antenna you'll need a RP-SMA to the connector on the back. Ask the retailer for the proper cable to your FPV monitor SMA-RP Male with center pin.. Most antennas as the 2 14dbi on the white monitor will attach directly. If your using the large white panel as in the link above, you'll want TP-Link 0.5-Metre 2.4GHz/5GHz Pigtail Cable with N-type Male to RP-SMA Male connector (TL-ANT200PT)
    • Camera mount Small 1"x1" shelf bracket found at any hardware store
      • Web Link sample image of a bracket: sample bracket image
      • Velcro to hold camera found at any hardware store
      • Price $5
    • 1/4-20 hardware misc
      • Camera: x1 1/4-20 coupler, x1 1/4-20 bolt
        • Transmitter: x1 wire loop, x1 1/4-20 coupler, x1 1/4-20 wing nut
        • Receiver: x1 1/4-20 wing nut
        • If using transmitter extenders or 1/4-20 all-thread instead of tripods: add several 1 1/4-20 couplers, 1/4-20 wing nuts, 1/4-20 nuts and washers
    • Tools
      • Electrical tape - cover the terminals
      • Wire stripers
      • Small Philips screwdriver
    • Optional Zoom lens for Boscam HD BT19
      • Marshall Electronics 25mm f/2.5 Hi-Resolution Miniature Glass Lens for Board Cameras, M12 Mount, Approx. 11deg. AOV, 4 Elements - __allows the camera to be really far back from the plate (It does mess with the white balance, giving the video a read look as the then does not have an IR cut filter on it - this is still usable and can be fixed in post or left alone)
      • 1.25 Inch UV IR CUT Block Filter Infra Red Filter CCD Camera Interference UV Filter (optional, can be used to return video white balance - you can use any IR CUT and pace in front of lens if so desired.)
      • Sunshade IR cut filter holder PVC Pipe Fitting, Adapter, 1" Socket x 3/4" NPT Female
        • Web Link: NA Get at Home depot.. Sand the 3/4" side for a slip fit over the Marshall Telephoto lens..
        • Price $1
    • Optional Microwave relay to replace the 50' video, power and audio extension with wireless relay
      • Wireless Audio Video AV Transmitter Receiver Sender Set 16-ch 1.2ghz 700mw
        • Web Link: [Wireless 1.2 uplink](amazon.com/Camecho¿-Wireless-Transmitter-Receiver-Sender/dp/B00MPDTUY2?ie=UTF8&psc=1&redirect=true&ref_=oh_aui_detailpage_o08_s00)
        • Price $48.86
      • **Battery** Sending unit Power-Sonic PS-12120 Battery; Sealed Lead Acid; Rechargeable; 12 V; 12 Ah; Spill-Proof; ABS Case; AGM
      • From above supplies:
        • x1 2.1mm power male
        • x2 Spade connectors
    • Optional Solar panels to extend battery life for multiple days. 1 at Target 1 at FFP
    • Optional in line power switch
    • Optional 4.3" monitor: Run in parallel, using the output jack from the main DVR/Monitor and an video/power extension cord as in the original build list ~ allows other shooter the ability to view the down range cameras if hard wired to the DVR/receiver in the build list above, without the expense of the DVR and extra antennas.
    • Optional tripod elimination or height extensions between transmitter battery and extension
      • 1/4x20 All-Thread hardware to extent to. 6' or just stick the sending unit, camera etc. into the ground or threading into the top of one of the tripods
      • Available at any hardware store
    • Optional Microphone if using the SD Camera with 8mm lens, inline zoom control, 700TVL, Weatherproof WDR Camera 1/3 Inch Sony Effio-p DSP Array IR 40m or if using cameras without audio
     
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