jjrc h36 mjxq e010 protocol bind problems

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14 Jan 2017 04:19 #57919 by Bonemyster
jjrc h36 mjxq e010 protocol bind problems was created by Bonemyster
Hey guys, I was trying to get my jjrc H36 to bind and fly correctly for a couple of days on my devo 10 and devo 7 modded with the 3 in 1 of course. Heres my experience, when the tx power is above 30mW on the devo 10, the jjrc H36 will not be bound and if it is bound it will have a huge delay in stick inputs. On my devo 7 when the tx power is above 1mW you get the same problem. I dont mind flying this at low tx power since it is an indoor flier but for anyone else having problems then I hope this helps. Oh and one last thing, this protocol doesnt bind to the jjrc h36 on the taranis with the 4 in 1 module installed. I guess its because of the same issue.

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15 Jan 2017 13:10 - 15 Jan 2017 15:24 #57969 by goebish
Replied by goebish on topic jjrc h36 mjxq e010 protocol bind problems
Unfortunately this is a known issue with the x-in-1 modules for xn297 protocols running at 250kbps:
www.deviationtx.com/forum/protocol-devel...-q303?start=80#56734
Possible fix, replace those 2 capacitors (0402 package, 15pF):
www.deviationtx.com/forum/protocol-devel...q303?start=100#56818

Also, seems some people fixed the issue just by replacing the antenna ...

edit: for the 7e, maybe you've to replace the stock regulator that's not able to provide enough current for some protocols, this is a known issue as well.
Last edit: 15 Jan 2017 15:24 by goebish.

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26 Mar 2017 09:08 #60759 by Pilot
Replied by Pilot on topic jjrc h36 mjxq e010 protocol bind problems
I have a Devo 7E modified for me with all the bells and whilstes Deviation has to offer.
I cannot get it to bind to the JJRC H36 using thebMJXQ format, EO10 format option either.

I notee that looking through the supported models list the H36 is not recorded in the list of JJRC supported models, presumably the above format/option is a discovery as a result of the E010 discovery.

Can anyone tell me if they have had similar problems and how they managed to resolve them, if at all please?

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29 Mar 2017 17:09 #60913 by Pilot
Replied by Pilot on topic jjrc h36 mjxq e010 protocol bind problems
Sorted it ot, I turned down the power setting and it could bind

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16 Apr 2017 01:55 - 16 Apr 2017 01:57 #61503 by RobC62
Replied by RobC62 on topic jjrc h36 mjxq e010 protocol bind problems
Just a little more info to add to the mix here.

I have just bought in two H36's from Gearbest. One is the blue version, the other the grey version.

The blue one will bind to my Ultimate7E with a 3-in-1 module no problem (MJXq/E010 protocol) - no matter what power setting - and it really does fly very well, even though I have only tried it 'as is' with no tuning on the TX at all!
The grey one will not bind at all. I have tried power settings up to 30mW and no different. Simply will not bind.

The odd thing is I can swap the supplied controllers - bind the grey controller to the blue H36 and bind the blue controller to the grey H36!

I can see no logical reason why the Devo will not bind to the grey H36, but something is preventing it. A very minor difference somewhere in the protocol/handshake that the supplied controllers are ignoring?

Unfortunately I do not have a scope to see what, if anything is different. I rally must get one!

This may be of some help to anyone that has a grey H36 that will not bind.
Last edit: 16 Apr 2017 01:57 by RobC62.

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12 Dec 2017 06:17 #66460 by Alex007
Replied by Alex007 on topic jjrc h36 mjxq e010 protocol bind problems
I am having a very similar problem.

I received a new JJRC H36 yesterday and it will not bind to my Jumper T8SG wheras my Eachine 010 binds and fly's fine. And, similar to your problem, the H36 binds and fly's perfectly with the original Eachine 010's TX. Did you get your H36 sorted out?.

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12 Dec 2017 15:37 #66464 by goebish
Replied by goebish on topic jjrc h36 mjxq e010 protocol bind problems
Try lowering Tx power, it might work, that's the best you can do, this is an hardware issue and there's nothing we can do to fix it in software.

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12 Dec 2017 16:00 #66465 by FDR
Actually it is interesting, because RobC62 can control one of the quads with his U7E but can't the other, despite the original controller can control both.
So in theory those quads and their transmitters have quartz crystals with better tolerances then the 3-in-1 (or 4-in-1 for the matter), and while those good tolerances are close enough for them to control both, RobC52 could control only one of them.
Of course there is a slight possibility, that even that one was on the boundary of the tolerance range and the other was a bit further so felt out of the range, but it is at least suspicious...

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12 Dec 2017 16:24 #66466 by goebish
Replied by goebish on topic jjrc h36 mjxq e010 protocol bind problems
The thing is that the xn297l usually has a +200 kHz center frequency deviation compared to the nrf24l01, this is not an issue at all with 1 Mbps bitrate, but this on the edge with 250 kbps bitrate (E010 protocol).

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12 Dec 2017 16:27 - 12 Dec 2017 16:28 #66467 by goebish
Replied by goebish on topic jjrc h36 mjxq e010 protocol bind problems
... and the nrf24l01 is the only transceiver we can't fine tune the base frequency in software.
Last edit: 12 Dec 2017 16:28 by goebish.

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13 Dec 2017 03:31 #66470 by Alex007
Replied by Alex007 on topic jjrc h36 mjxq e010 protocol bind problems
Thanks. I tried all different power settings. No joy unfortunately. I will probably sell the JJRC and buy another Eachine and just have to wait for ages for it.

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13 Dec 2017 10:32 #66477 by goebish
Replied by goebish on topic jjrc h36 mjxq e010 protocol bind problems
Keep in mind that's just a matter of luck, if you get another E010 you can"t be sure it will work.

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20 Mar 2018 05:22 - 20 Mar 2018 05:22 #68219 by Alex007
Replied by Alex007 on topic jjrc h36 mjxq e010 protocol bind problems
I bought another Eachine 010 and guess what? The new one will also not bind. They have obviously changed something.
Last edit: 20 Mar 2018 05:22 by Alex007.

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