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Protocol for JJRC H56 on T8SG V2

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25 Jan 2019 15:53 #72527 by judicmr
Protocol for JJRC H56 on T8SG V2 was created by judicmr
Looking for a protocol for the JJRC H56 on the Jumper. It is also sold under the model TAAIW and Taichi

I've tried all the JJRC protocols, but none seemed to work.

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26 Jan 2019 11:41 #72537 by goebish
Replied by goebish on topic Protocol for JJRC H56 on T8SG V2
Please send pictures of the inside of the transmitter so we can check which transceiver it's using.

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26 Jan 2019 17:11 #72543 by judicmr
Replied by judicmr on topic Protocol for JJRC H56 on T8SG V2
See transmitter guts. The IC markings appear to have been scrubbed off.
BTW - In addition to the JJRC protocols, I also tried the E010 and E011 ones.

Dumb question - I always remove the default fixed ID values (123456) prior to binding the first time. Is this the right thing to do for the first bind or could that be causing me problems?

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26 Jan 2019 17:12 #72544 by judicmr
Replied by judicmr on topic Protocol for JJRC H56 on T8SG V2
Not sure my pics got thru. Second try.
Attachments:

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26 Jan 2019 17:13 - 26 Jan 2019 17:15 #72545 by goebish
Replied by goebish on topic Protocol for JJRC H56 on T8SG V2
You can leave the ID as it is or change it, this has no importance.
I can't see your pictures, as you're a new user you might not to able to upload here, just use imgur.com/

edit: Ok, no SPI bus here :(

What about the Quad ? Can you take a few pictures of the FC ?
Last edit: 26 Jan 2019 17:15 by goebish.

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26 Jan 2019 17:53 #72549 by judicmr
Replied by judicmr on topic Protocol for JJRC H56 on T8SG V2
Here's the top side. Not sure how they assembled this thing. The IR collision sensors make it difficult to remove to take pictures of the other side. It would never be the same if I did.

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26 Jan 2019 19:32 #72555 by goebish
Replied by goebish on topic Protocol for JJRC H56 on T8SG V2
Can you try to read what's under the white blob ?

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26 Jan 2019 21:28 #72557 by judicmr
Replied by judicmr on topic Protocol for JJRC H56 on T8SG V2
It looks like the IC under the white silicone has the following markings:
PAN159CY
1819AH

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26 Jan 2019 21:36 #72558 by goebish
Replied by goebish on topic Protocol for JJRC H56 on T8SG V2
Ok, that means it's using a XN297 compatible transceiver.
It probably can be deviated, but dump "over the air" with an SDR device or arduino+nrf24 is necessary because there's no SPI bus here, that's not possible to use a logic analyzer.

If you want it to be deviated you'll probably have to send one to me or another dev ...

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26 Jan 2019 21:39 #72559 by goebish
Replied by goebish on topic Protocol for JJRC H56 on T8SG V2
Anyway, have you tried every nrf24l01 protocols with every format options ?
It might be compatible with an existing protocol (unlikely, but that's worth a try ...)

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26 Jan 2019 22:29 #72560 by judicmr
Replied by judicmr on topic Protocol for JJRC H56 on T8SG V2
I just tried those, but nothing worked.

I do appreciate the suggestions. Thanks.

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09 Apr 2019 13:34 - 09 Apr 2019 15:35 #73746 by Moeder
Replied by Moeder on topic Protocol for JJRC H56 on T8SG V2
I will post you a deviation build to dump packet data, so we can maybe get some more info. What t8sg do you have? You can also try the build on the other drones you requested.

edit: please find attached builds for v2_plus and v2. Follow instructions from this post
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Last edit: 09 Apr 2019 15:35 by Moeder. Reason: attached t8sg_v2 and v2_plus builds

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