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Purchased A 'FlySky' FS-GT2E - Transmitter & Receiver
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 Posted: Sun Apr 15th, 2018 05:54 pm
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bobquincy
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As far s I can find most Receivers do not send any data back to the Transmitter.
The Transmitter sends data to the Receiver indicating how it will hop and the Receiver binds with the same hopping algorithm.

If this is the case then the Transmitter should not know or care what Receiver it is binding to,
as long as the Receiver uses the same protocol (there are many under the name "spread spectrum").

Or all this may be incorrect, if anyone has more information (verified) please post it.


boB




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 Posted: Sun Apr 15th, 2018 07:14 pm
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Mack Saunders
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Actually, most radios have the capability of sending back info.
It is called telemetry.
Some do the basic battery power level as standard (Graupner for one),
and the rest use special, brand specific sensors to send info including pressure and temperature back to the L.C.D. on the radio.
Just in the last couple of years, I was racing R.C. sailboats,
and it was important to know how much power was left in the on board battery.
A quick look at the screen told me that.

As far as I know (30 years playing with R.C.) Receivers only worked well with the same brand Transmitter,
and most won't work at all with another brand.
"Spread Spectrum" technology is a description of how 2.4 GHz systems work and all of the 2.4 GHz radios use it.
It does not make those radio bits compatible.

Now, admittedly we are talking about very short range here,
and the vehicle being controlled is not going to drop from the sky and possibly kill someone.
In my experience, the best results are with same brand components.

I do see on the ebay stores, some receivers that say they are xxx compatible.
I have no experience with them so I don't know.

Mack




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 Posted: Mon Apr 16th, 2018 04:32 am
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bobquincy
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I am guessing (and that is all it is) the 'FlySky' (and generic) 2-4 channel receivers do not include telemetry functions,
that it is all one-way communications between the Transmitter and Receiver.
If that is so the Transmitter has no way of knowing what/how many/what type of Receiver it is binding with.
If the data and checksum is good the binding will be successful but that is not what Michael M is experiencing.
It may not be the Transmitter since it does bind with a Receiver.

boB




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 Posted: Mon Apr 16th, 2018 05:35 am
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Michael M
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My thinking is that it's very unlikely that both 'FlySky' Receivers would be bad.

And, after having everything tried at the L.H.S. it certainly appears that I got a bum 'FlySky' Transmitter.

It binded (bound?) with my very first Receiver, and now won't go with any others.

I haven't given up on 'FlySky'.

I'll probably get another Transmitter soon, then I'll know for sure.




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 Posted: Mon Apr 16th, 2018 08:42 am
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Si.
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Hi Guys :wave:



My 'feeling' is that somehow I kinda doubt that ANY of the equipment is faulty at all.

I can't help wondering if there isn't a very simple issue here, that so far hasn't been spotted.



It's easy to blame failed equipment, such as a transmitter, but I would tend to think the same as Bob ...

... that transmitter IS WORKING with a standard Receiver. :thumb:



These things are at most 2 or 3 microchips.

My general experience would suggest that if even ONE component in the Transmitter was bust, NOTHING would work.

But it still does !



I somehow doubt that Receiver No.2 or No.3 are busted either.

So what IS the problem ... :us:



This may seem like a shot in the dark ...

... But does the 'Bind-Plug' assembly being used, with it's thin-wire-lead ACTUALLY conduct eeelectrons ? ???



L:



Si.




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 Posted: Mon May 7th, 2018 04:40 am
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Rob V
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Was the bind plug and wire conducting OK ?


Cheers.

Rob.


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 Posted: Mon May 7th, 2018 05:01 am
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Michael M
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I used three different bind plugs with no luck.

Has to be something funky with the transmitter.



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 Posted: Thu May 10th, 2018 02:31 am
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Si.
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" Has to be something funky with the transmitter "



Hi Michael :wave:



It would be good to get the 'definitive' answer on this most baffling question.  ???

Even more so, since the Transmitter obviously still works just fine, with your 1st model.  L:



- - - - - - -



I came across this  C :cool: :cool: L  & rather sooouper nice lookin' Transmitter the other day !  :bg:

It isn't a 'FlySky' Transmitter ...

... at least the badge doesn't say that !!  L:





In FACT ... It IS made by 'FlySky' ... But ... For 'Turnigy' ...

... & looks like it just landed, in an outer-space scene, from Stanley Kubricks '2001' !  :shades:



Clearly based on the 'Game Console' type of controller ...

... & a million light-years away from those BIG twin-stickers you see people WEARING around their necks with lanyards !  :shocked:



I don't know too much about it as yet ...

... but I'm guessing that full TWIN TRAIN CONTROL is a cinch ...

... using the TWIN STICKS ... & the 2 trains Receivers set-up on 2 different channels.

I'm sure that the 'user friendly' L.C.D. screen probably helps no end.  :)

I think the sticks are possibly able to be 'calibrated' with the aid of the screen as well.



The unit is compatible with the standard 2.4 Ghz 'FlySky' A.F.H.D.S. - A2 Receiver protocols I believe.  :thumb: 



An interesting looking option & what looks like simple operation of 2 trains at once.  :P

Gonna have to try & find out a little more about these lil' babies for sure !   .   .   .



:!:



Si.



You CAN get a special neck-lanyard for it as well B.T.W.  ;)



- - - - - - -



EDIT :-


Actually ... Thinking about it a bit more ...

... It probably ISN'T possible to control TWO trains at once with that ^^ Transmitter.


To do so ...

... it would HAVE TO bind to TWO different Receivers AT ONCE.


I have NO IDEA if that is possible ... Common sense says NOT.


HOWEVER ...

... this Transmitter appears to have TWO on/off switches ... Maybe ... Mmm   .   .   .





... & an already BUILT-IN ... Neck-lanyard eyelet !!  :shocked:



Last edited on Thu May 10th, 2018 03:16 am by Si.



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 Posted: Thu May 10th, 2018 02:44 am
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Michael M
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Si,

Would like to see more about this new twin-stick transmitter.

Don't think I could run two trains simultaneously; just not that coordinated.



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 Posted: Thu May 10th, 2018 09:08 pm
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Helmut
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I've done that alteration for two locos years ago.
The caveat is that there's only one channel stick ( usually the left vertical one ) that stays put in the position you push it to,
the others are all of the return-to-neutral type.

I think I've described already in this forum how to modify that for two-loco operation,
i.e. make the right vertical stick a shift-type, too.

It is easy to bind two receivers to the same transmitter, provided you use separate ESCs with them.
There's channels 1&3 for one (left) loco, and channels 2&4 for the other (right ) loco.
Even the Deltang RX6x series can be reprogrammed to meet that scheme IIRC. No issue at all.

The idea is NOT that you run two locos simultaneously, except when doubleheading maybe,
but to minimize the number of transmitters to use when operating singe-handed.
It is just fun to have two locos run alternatively for some complicated switching and the like.




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