Devo 10 with A7105 range problem

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01 Jun 2013 15:24 - 02 Jun 2013 11:24 #10482 by sublime
Devo 10 with A7105 range problem was created by sublime
Hi,

I just soldered my A7105 from Aliexpress to my Devo 10. I used this tutorial:

Flysky/Hubsan/turnigy module with pics : devo 8S

I am using Deviation 3.0 and activated the A7105 in the tx.ini. I tried to bind the Devo with my V929 but it won't work. Also everytime I push "bind" or "re-init" in the model configuration the Devo just freezes completely. :( I have to remove the batteries to shut it down.

Anyone has a suggestion what went wrong?
Last edit: 02 Jun 2013 11:24 by sublime.

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02 Jun 2013 09:08 #10494 by 8987846
Replied by 8987846 on topic Devo 10 with A7105 freezes on binding
i was going to do this mod until i see this....

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02 Jun 2013 11:22 #10497 by sublime
Replied by sublime on topic Devo 10 with A7105 freezes on binding
So just a short update. I tried Deviation 2.1.1 and the last nightly build (v3.0.0-fd346b). With this versions the Devo binds with the V929 and also doesn't freeze anymore, when I push "bind" or "re-init".

But now there is another problem - the range. Even on 150mW I sometimes only get about 3 or 4 meters of range. I read this could be a problem with a fixed id that is 6 characters long, so I changed to 1111. Unfortunately this only helps occasionally. Sometimes the range is totally ok, sometimes it's just about 3-4 meters again. So in my opinion the fixed id isn't the only thing that influences this problem.

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03 Jun 2013 00:11 #10510 by dc59
Replied by dc59 on topic Devo 10 with A7105 freezes on binding
Did you wire "RXEN"(PIN8) to GND?
If not , please try it!

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03 Jun 2013 18:25 #10526 by sublime
Replied by sublime on topic Devo 10 with A7105 freezes on binding
It seems like this fixed the problem. But as this was just occasionally I need to do some more testing to be sure. :) Whats the meaning of RXEN and GND and all the others? Is there an explanation anywhere? I also connected PIN9 with PIN1. Is that right?

Thank you so far! :)

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04 Jun 2013 00:49 #10540 by dc59
Replied by dc59 on topic Devo 10 with A7105 freezes on binding
XL7105-D03 manual :



RXEN must be set to "0"(GND) when it was at transmit mode,if it turned to "1"(Vcc)it would be at receive mode.
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03 Jul 2013 03:36 #11798 by 8987846
Replied by 8987846 on topic Devo 10 with A7105 range problem
i am also getting this problem, the screen freeze when i select "bind".
i have already edited tx.int. but i did not connect pin 9 to pin 1....
i also do not understand how to connect pin 8 to GND? where is GND?
i am not sure what is missing here, please help.

Thanks in advance!

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03 Jul 2013 04:28 #11799 by 8987846
Replied by 8987846 on topic Devo 10 with A7105 range problem
already binded.... i connected pin 8 to pin 3. now it all fixed! thanks

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05 Jul 2013 19:59 - 05 Jul 2013 20:22 #11977 by RandMental
Replied by RandMental on topic Devo 10 with A7105 range problem
Updated table for Module Installation Manual


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Last edit: 05 Jul 2013 20:22 by RandMental.

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04 Aug 2013 22:33 #12760 by goebish
Replied by goebish on topic Devo 10 with A7105 range problem
Documentation should be updated because that's what Gents will read when installing a module ;)
www.deviationtx.com/repository/func-startdown/23/

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06 Sep 2013 16:06 - 06 Sep 2013 16:06 #13612 by matrixFLYER
Replied by matrixFLYER on topic Devo 10 with A7105 range problem

goebish wrote: Documentation should be updated because that's what Gents will read when installing a module ;)
www.deviationtx.com/repository/func-startdown/23/


This is a modded documentation.

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Last edit: 06 Sep 2013 16:06 by matrixFLYER.

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