Jumper T8SG - First TX stock running on Deviation

dc59
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14 Sep 2017 12:05 #64396 by dc59

Replied by dc59 on topic New TX from Banggood

@goebish
Do you really get T8FG? that's wired, I'll confirm that with Jumper!!
I have also noticed AIL&RUD revsrsed issue, I'll tell them about this bug and battery accuracy issue, thank you!

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goebish
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14 Sep 2017 12:31 - 14 Sep 2017 12:31 #64397 by goebish

Replied by goebish on topic New TX from Banggood

Yes I got one today, I'm in direct relation with Jumper (or whatever they're named

)
bit.ly/2f76P4r

Last edit: 14 Sep 2017 12:31 by goebish.

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goebish
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14 Sep 2017 12:50 #64398 by goebish

Replied by goebish on topic New TX from Banggood

Also, I'm not sure that will make it to the final product, but the hard case pouch is a very nice addition !
(though I'd have preferred better gimbals... )

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PhracturedBlue
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14 Sep 2017 13:04 #64399 by PhracturedBlue

Replied by PhracturedBlue on topic New TX from Banggood

fixing the axis is trivial in Deviation, it is a bit disappointing that some of these simple polishings didn't happen before they started shipping. It makes me concerned about the 'beta' units that Bangood is (will be?) shipping. I really don't want to have to maintain a separate target for the betas vs the production units. FYI, that OLED screen is probably too small to be useful. We would only be able to do text on it (like the 7e) and it would require some development to support a multi-color text display I think (though a little of that work was done for the F12E, I don't think it ever got finished.

Goebish...that case looks quite nice. I hope they ship with that.

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vlad_vy
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14 Sep 2017 13:21 - 14 Sep 2017 13:29 #64400 by vlad_vy

Replied by vlad_vy on topic New TX from Banggood

Gimbal axis can be reversed by interchanging two contacts at gimbal wire connector (GND and 3.3V).

Last edit: 14 Sep 2017 13:29 by vlad_vy.

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goebish
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14 Sep 2017 14:10 - 14 Sep 2017 14:15 #64401 by goebish

Replied by goebish on topic New TX from Banggood

I agree with PB, if they've started to ship like that (reversed AIL&RUD axis) then better have a software fix than 2 hardware versions.

Last edit: 14 Sep 2017 14:15 by goebish.

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vlad_vy
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14 Sep 2017 14:34 #64402 by vlad_vy

Replied by vlad_vy on topic New TX from Banggood

At any case that direction for RUD and AIL is incorrect, only Frsky use such direction.

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goebish
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14 Sep 2017 14:35 #64403 by goebish

Replied by goebish on topic New TX from Banggood

I don't know which one is "correct", but I find the FrSky way is more intuitive

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vlad_vy
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14 Sep 2017 14:38 #64404 by vlad_vy

Replied by vlad_vy on topic New TX from Banggood

OK, most "common" direction.

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aMax
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14 Sep 2017 16:10 #64407 by aMax

Replied by aMax on topic New TX from Banggood

goebish wrote: I don't know which one is "correct", but I find the FrSky way is more intuitive

Quel information.....did not know about that...

I.even did not wonder the channels went the opposite way after model transfer from Devo to Taranis, just clicked -reverse-

Devo7e, TaranisQ X7, R9M , 4in1 MM, Futaba FC18plusV3.2 & DFT/FLD-02

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Wene001
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14 Sep 2017 16:17 #64408 by Wene001

Replied by Wene001 on topic New TX from Banggood

eventually we could solve the Stick Direction on the software side like "begin the calibration with right and forward" @ the sticks.
this would solve the direction issue with the M9 Gimbals @ Devo12s too,(without hall sensor magnet repositioning there is reversed Ele and Thr too)

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dc59
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15 Sep 2017 00:02 #64414 by dc59

Replied by dc59 on topic New TX from Banggood

goebish wrote: I just got mine from Jumper (I'm not sure that's thanks to you dc59, so please don't send a 2nd one, I don't need it ) but the USB connector is as on the 1st page, I've to disassemble the transmitter to access it, not very convenient.

I've noticed a few stuffs that need to be fixed:
- AIL & RUD directions are reversed compared to Walkera transmitters
- VBat reading is inaccurate (actual = 8.23V, read = 8.35V) , they should use better accuracy resistors for the divider, or we should add a ratio/offset calibration parameter to Deviation (same as OpenTX).

The gimbals feel not that bad, but I think they'll wear out fast.

Thanks goebish!
I've informed Jumper about these two bug!
BTW, Did you find any receiver and neck strap in your package ?

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goebish
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15 Sep 2017 00:10 #64415 by goebish

Replied by goebish on topic New TX from Banggood

No receiver, but an orange JUMPER neck strap

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ajtank
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15 Sep 2017 01:54 - 15 Sep 2017 06:24 #64418 by ajtank

Replied by ajtank on topic New TX from Banggood

vlad_vy wrote: I read that the OLED screens have a short lifespan. About 1 year in 7/24 mode.

Even if the OLED is not powered, it is still subject to deterioration upon prolonged storage because it is very sensitive to moisture. This is why desiccant is found inside the OLED module. So low cost OLED is not a good choice as the display is so vital for a transmitter.

Last edit: 15 Sep 2017 06:24 by ajtank.

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vlad_vy
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15 Sep 2017 05:05 - 15 Sep 2017 06:05 #64420 by vlad_vy

Replied by vlad_vy on topic New TX from Banggood

Something like KD024FM-1B 2.4inch,240*320, full viewing angle, sunlight readable IPS module
en.startek-lcd.com/te_product_a_c202/2012-07-20/7628.chtml

Last edit: 15 Sep 2017 06:05 by vlad_vy.

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horrigan
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15 Sep 2017 16:54 #64429 by horrigan

Replied by horrigan on topic New TX from Banggood

goebish are you irish? sorry for being so rude but I'm new to the hobby, I live in Dublin and have a t8sg on the way, it should be here next,
"AIL & RUD directions are reversed compared to Walkera transmitters" How will this effect the transmitter?

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goebish
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15 Sep 2017 17:50 #64430 by goebish

Replied by goebish on topic New TX from Banggood

Hi,

I'm French

Ail & Rud are reversed, so if you'll have to reverse those channels in the mixer for now, not a big deal, but you'll have to reverse then again once it's fixed in Deviation nightly.

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horrigan
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15 Sep 2017 18:10 #64431 by horrigan

Replied by horrigan on topic New TX from Banggood

ye I thought you where...although I'm new to the hobby I have spent countless hours reading forums you are involved in, the work you do is great. Sorry just something I seen on twitter about the Irish thing.
cheers

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goebish
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15 Sep 2017 18:24 #64432 by goebish

Replied by goebish on topic New TX from Banggood

No problem mate, I'm not offended at all

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ridgerunner
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15 Sep 2017 21:42 #64433 by ridgerunner

Replied by ridgerunner on topic New TX from Banggood

@goebish - Can you confirm the switch types - All 3 position?

(I ordered one from the first batch - tracking shows it currently on route from China to NYC. Can't wait to try it out with my Blade and XK micro-helis!)

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