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Thread: FPV wiring Diagrams

  1. #11
    FPV Pilot ttucker's Avatar
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    Mainly a close up of the OSD area and associated add-ons wiring.

  2. #12
    Crippled 4 life
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    Quote Originally Posted by Coyote View Post
    Skywalker system

    After the ground loop potential problem i went against my norm and decided on a 2 lipo system. Power and Video

    Spec :

    Seperate Video and Power system
    Seperate standalone BEC circuit
    No modification to DOSD wiring connections other than no -ve and +ve from Esc`s Bec wire
    Should be no need for any filtering
    2 Voltage readings, 1 for video 1 for power

    Full Aileron, Elevator, Rudder and Throttle control via DOSD

    12v Camera
    12v Vtx

    Completely safe.
    Isolated FPV circuit from ESC

    System supports : Gps based flight stabilization, RTH with speed control, programmable missions capable

    Thank you jebus/coyote for this perfect diagram of what I think will work for me. A couple question/suggestions please.. The UBEC, any recommendations? Is this still compatible with the V2 OSD? What antenna do you use for the DL rx? Ibcrazy told me http://videoaerialsystems.com/produc...e-uhf-antenna/

  3. #13
    Super Moderator Coyote's Avatar
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    Yes its compatible with V2 DOSD, Turnigy UBec`s are fine, go for the low RF ones. I use a dipole antenna on the rx
    "If everyone is thinking alike, then no one is thinking."

    - Benjamin Franklin

  4. #14
    Crippled 4 life
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    Quote Originally Posted by Coyote View Post
    Yes its compatible with V2 DOSD, Turnigy UBec`s are fine, go for the low RF ones. I use a dipole antenna on the rx
    www.readymaderc.com/store/index.php?main_page=product_info&cPath=11_15&products_id=337 about right? Do I need to keep the rx or the tip of the dipole farthest away from the video tx? It's just so long... I'd like to seperate them wing tip to wing tip on my sky surfer but i don't know where i should mount it. With the dipole should I just use the tail, ya think? Edited: Just looked at your ez* setup! The dipole it ok like that?
    Last edited by Holt25; 18th March 2012 at 05:53 PM.

  5. #15
    Super Moderator Coyote's Avatar
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    Yup that Bec is fine

    Its 433mhz so unless your on 1.2ghz video you can mount it just about anywhere, on a platform like a sky surfer make the dipole so its mounted at the rear of the tail, plenty of separation.
    "If everyone is thinking alike, then no one is thinking."

    - Benjamin Franklin

  6. #16
    Navigator Nakelp86's Avatar
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    Click image for larger version. 

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    Guys, I modified Coyote's schematics but this is not working right.
    Now my Video battery is also powering the servos, NOT GOOD :-((((.
    How can I modify this for my EZ* running two batteries as on the drawing so servos are powered from main battery?
    Thx for help.

  7. #17
    Navigator Nakelp86's Avatar
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    Anyone, ?

  8. #18
    Super Moderator Coyote's Avatar
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    Accordign to that diagram your servos are powered from the flight battery and BEC. The servo power rail ( apart from ground ) is separate from the DOSD inpu power. So I would double check your wiring against the diagram
    "If everyone is thinking alike, then no one is thinking."

    - Benjamin Franklin

  9. #19
    Navigator Nakelp86's Avatar
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    checked wiring wire by wire and cant find any mistakes. According to what you are saying ( if I understand right )the servo part of DOSD and video are separately powered unless you use the jumper to power both from one battery.
    Could I run UBEC to DL as on this drawing without burning anything and see if that helps?


    Click image for larger version. 

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    On the picture , I removed GPS and servos (except one) but the rest is as per schematics.
    Still when I plug main battery to the current sensor no response from the servos.
    Only when I turn on the video battery the servos are moving.
    Last edited by Nakelp86; 31st March 2012 at 04:15 PM.

  10. #20
    Super Moderator Coyote's Avatar
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    Oh right, of course ! Now I know what you mean.

    Yes this will happen, the DOSD controls your servos, not the rx, so with no video lipo plugged in, your DOSD is not powered up, thus giving your servos no command to move
    "If everyone is thinking alike, then no one is thinking."

    - Benjamin Franklin

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