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Thread: FPV wiring Diagrams

  1. #1
    Super Moderator Coyote's Avatar
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    FPV wiring Diagrams

    Hi lads, I thought I`d start a thread on the diagrams I`m making. This first set is for DOSD. After a potential problem was discovered recently these new diagrams will enable you to wire up the DOSD perfectly safely avoiding the potential problem.

    Click on attachments for full size pictures

    Ok first the most common application :

    Easystar Basic

    Spec :

    3 Channel control, Throttle Rudder and Elevator controlled by DOSD
    FPV system isolated from ESC circuit
    12v Camera
    12v Vtx
    Dragon Link UHF

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



    Delta Wing Basic

    Spec :

    12 v Camera
    12v VTX
    Isolated BEC circuit.
    Isolated ESC Circuit
    Fully filtered ( Camera, OSD, Vtx and Bec Circuit )
    DOSD Powered of filtered current sensor wire and jumper
    BEC supplies PWM 4 ( not used )
    Only signal wire from ESC used

    Completely safe

    Note : The shielded wires are not joined at the BEC, this stops a ground loop, both wires going to BEC are part of the shield system though



    Twinstar setups :

    System 1 : Basic 4 Channel Setup

    Spec :

    Full Aileron, Elevator, Rudder and Throttle control via DOSD
    Camera, Vtx and BEC Filtered ( Bec`s not needed but easier for wiring )
    12v Camera
    12v Vtx

    Completely safe.
    Isolated FPV circuit from ESC`s

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



    System 2 : Twinstar with IMU and Mic

    Spec :

    Full Aileron, Elevator, Rudder and Throttle control via DOSD
    Camera, VTX, Mic, IMU and BEC supply Filtered

    12v Camera
    12v Vtx
    12v Mic
    5v IMU ( Optional )
    Step-up for Camera ( Optional )

    Completely safe.
    Isolated FPV circuit from ESC`s

    System supports : Gps and IMU based flight stabilization, RTH with speed control, programmable missions capable, aritificial horizon

    Attached Thumbnails Attached Thumbnails Click image for larger version

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    Last edited by Coyote; 25th November 2013 at 05:58 PM.

  2. #2
    Super Moderator Coyote's Avatar
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    Skywalker system

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

    Spec :

    Separate Video and Power system
    Separate 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

    Attached Thumbnails Attached Thumbnails Click image for larger version

Name:	Skywalker 12v.jpg‎
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    Last edited by Coyote; 25th November 2013 at 05:56 PM.

  3. #3
    Super Moderator Coyote's Avatar
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    A Skywalker X8

    Spec :

    All in one video and power system
    Separate standalone BEC circuit ( no ground loop )
    Should be no need for any filtering

    Elevon control
    Antenna Tracking
    Completely safe.
    System supports : Gps based flight stabilization, RTH with speed control, programmable missions capable


    Diagram with FY31AP Hornet OSD

    I split it into two separate drawings for less complication






    Click image for larger version

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Name:	X8 Power diagram.jpg
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    Last edited by Coyote; 25th November 2013 at 05:55 PM.

  4. #4
    Super Moderator Coyote's Avatar
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    Reserved
    Last edited by Coyote; 20th May 2011 at 02:33 PM.

  5. #5
    Navigator Nakelp86's Avatar
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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

    This is great , Thx.
    Now if I want to add pan and tilt to the camera can I run it straight to GLrx free channels, lets say ch5 and ch6 and omit OSD??

  6. #6
    Bazinga! Maximus's Avatar
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    Coyote:
    I'm busy working on the wiring for my wing with DOSD, with exactly the same setup as the Delta Wing Basic. Just a question regarding the current sensor wire: The standard wire that comes with the DragonOSD current sensor, is not shielded. Will that be a problem, and should I modify the rest of the shielded wires in some way?

    For the other items, can I use USB cable as a shielded wire, or what's the best way to get them shielded? And the servo wires?

  7. #7
    Super Moderator Coyote's Avatar
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    Quote Originally Posted by Nakelp86 View Post
    This is great , Thx.
    Now if I want to add pan and tilt to the camera can I run it straight to GLrx free channels, lets say ch5 and ch6 and omit OSD??
    You could do yes
    "If everyone is thinking alike, then no one is thinking."

    - Benjamin Franklin

  8. #8
    Super Moderator Coyote's Avatar
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    Quote Originally Posted by Moelich73 View Post
    Coyote:
    I'm busy working on the wiring for my wing with DOSD, with exactly the same setup as the Delta Wing Basic. Just a question regarding the current sensor wire: The standard wire that comes with the DragonOSD current sensor, is not shielded. Will that be a problem, and should I modify the rest of the shielded wires in some way?

    For the other items, can I use USB cable as a shielded wire, or what's the best way to get them shielded? And the servo wires?
    No the original wire is fine, yu shouldnt have any issues
    "If everyone is thinking alike, then no one is thinking."

    - Benjamin Franklin

  9. #9
    FPV Pilot ttucker's Avatar
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    This looks great Coyote. Do you have any pictures of some of these wiring setups in a plane? I use a Remzibi and have recently added a current sensor as well and had a rat's nest of wiring before the sensor, now it's worse. I'm about ready to tear everything down and rewire the entire setup and heat shrink where possible to try and reduce clutter in the wiring bay. Every time I fly I flex a wire somewhere in the OSD system and once every couple of months or so am debugging a loose connection on a multi-strand wire.

    Any ideas for reducing wiring tangles would be welcome.
    Last edited by ttucker; 28th January 2012 at 02:22 PM.

  10. #10
    Super Moderator Coyote's Avatar
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    A diagram of an actual plane with everything positioned and routed ?
    "If everyone is thinking alike, then no one is thinking."

    - Benjamin Franklin

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