Telemetry to Turnigy 9X (with FrSky FLD-02 Telemetry Display Screen)

Hi all,

My setup is this:

Transmitter: Turnigy 9X running er9x

TX/RX: FrSky DJT 2.4Ghz Combo Pack for JR w/ Telemetry Module & V8FR-I...

Flying thingy: 3RD Arducopter running APM1

I already have telemetry over Xbee to my laptop but I would like to have data to my hands as well.

There are mods/hacks on google how to get transmitter to show FrSky telemetry but I'm planning on taking the easy route and buy a separate FLD-02 screen. 

My questions:

1. Do you have experience using APM and the FLD-02?

2. Any reason why this is stupid? :-) I have no problems soldering tricky stuff but if there is a cheap and easy way (the FLD-02) then I'll take it!

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For what its worth, the product page on frsky's website shows the lat/lon with two of the decimals on the left side of the '.', which also matches what their protocol document shows.

Perhaps this might not match what the open source 9x telemetry streams are expecting?

Mike, that’s interesting – yes the FLD-02 does indeed show lat & lon exactly in the format given in the published protocol.

The MAVLink GPS message gives data in decimal degrees and I guess this is what I wanted to see on the ER9x display (and now do). The IOBoard/FrSky program packages the MAVLink data as decimal degrees and the decoding for ER9x displays just that. However, I now realise that that isn’t what FrSky intended; their display is degrees, minutes.decimal minutes. The co-ords shown in the FLD-02 brochure are those of the FrSky location whereas had they been simply decimal degrees they would have given a location in the middle of Lake Taiku !

Vito’s point about losing precision in location if I use 1E7 as the divisor is obviously correct but there again 0.0001o equates to ~10 metres which is typical GPS accuracy unless you use WAAS, EGNOS etc.

Gentlemen, I am very excited to read this thread... Thanks a million for putting the hard working in making this happen.  For months now I have desperately been seeking this solution for the IO Board and FrySky.  I will upload the latest to my IOBoard and test.

I have a:

3s Lipo 3200mAh 30C 11.1V (Full Charge 12.6V)

DXR-II Plus w/ Telemetry


T9x with Telemetry Enabled on the integrated LCD of Radio (not external)

I should be good to go right?

I just wanted to post some pictures for you as I have implemented the latest Hex on this Post.  I am not sure if that is the one that I should be running. I want to comment that I have Modded 9x with Telemetrez, SmartieParts Boards and running ER9x.

The sequence of photos are like a movie, I was just clipping it 1 at a time to show the erratic behaviour.

Much more stable that the 1.5 or 2.0 version of FrySky Firmware from JDrones, its  an improvement.

I am happy to test away for you if you produce some more .Hex Files.  ;-)

This to show that I had 3D Fix and the tilt is cause its hanging off the window.  ;-)

p.s. Not sure why the Alt is off.  APM says one thing, the Telem says another. But on the Telem Screen there is a different reading on one of them.

Question, does the solution work on ER9X only?  Or does it support Open9X?

i have converted over as I heard somewhere that the IOBoard is more stable with Open9X and now I get nothing at all.

Hi everyone,

my suggeston may be stupid - but we are having arduino on board why we have to install additional board (arduino pro mini running the JD-IO software) if we can change the code and integrate JD-IO software into Aurdocopter code and take data from telemetry port - convert it using JD-IO software and send it to one of the existing I/O channel?

maybe I don't know smtgh?


     I flashed firmware on a arduino nano, but whenever I put a new battery must hit the reset button after APM arm have otherwise not display anything on the screen of er9x.

    The configuration I have is:

APM 2.6 with 2.74 Arduplane and firmware on the arduino nano is jD_IOBoard_FrSkyMAVLink the official repository.

Does anyone have an idea what can be?

Sorry for my Google Translator English....

Any updates on the jd-io board? The website seems to be dead since ages, so I can't download the configurator and when I try to upload the latest jd-io firmware from github with arduino I get loads of errors.

Had this running already but sadly fried my original jd-io board and now am trying to flash an arduino pro-micro.

All the links to jd-io manuals or download section seem to be broken and on github there's the source and the hex, but not the "configurator".

Where can this be downloaded? And please don't point me to the website, as it doesn't work at all.

I just stumbled upon this thread, after spending tons of time on the er9x forum, etc trying to nail this one down.

I'm a beginner at this, don't need the GPS coordinates (I can see my quad), but would love to have the HEADING displayed so I can tell which direction it is going!  :)

I see the source code may be available , so I'm going to give it a try to dig out the heading data. I know its available since it shows on the ground station.

There is enough info on the other forum (? its name) that has info on the Turnigy 9x and the er9x software to get yours going.  There is a detailed explanation of what data is SUPPOSED to be displayed there.

Good luck, Bo

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