Problem with A7105-500m module

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10 Mar 2013 14:29 - 10 Mar 2013 14:39 #7608 by coreire
Problem with A7105-500m module was created by coreire
I fitted an A7105-500m module to my Devo 10 last night.
I made a quick model file to test it using the template for a 4 channel hell and by setting the protocol to Flysky.
It binds to my V911 ok but when moving the servos the movement is jerky.
If I move the stick very slowly the servos will move smoothly, but if I make movements the servo jumps between positions as if there is a delay.
The best way to describe it is that it seems like the servo position only gets updated about twice per second.
Could it be some setting in the software causing this? Or is it possibly a problem with the module?
Last edit: 10 Mar 2013 14:39 by coreire.

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10 Mar 2013 19:23 #7620 by coreire
Replied by coreire on topic Problem with A7105-500m module
Opened up the transmitter and double checked all of my solder joints and connections, no problems there.
I also tried a config file for a V911 from another user on here and had the same issues. i'm starting to get the feeling that it's a faulty module.
The version of Deviation that I'm using is 2.1.1, in case that's relevant.

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11 Mar 2013 09:07 #7637 by kille
Replied by kille on topic Problem with A7105-500m module
I have the same problem:
www.deviationtx.com/forum/3-feedback-que...-mod-range-test#4119

You can test only 4 numbers for the ID. I think it is better with only 4 numbers. But the problem still exists.

With my TH9x have I the same issue but not so strange.

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12 Mar 2013 19:12 #7661 by coreire
Replied by coreire on topic Problem with A7105-500m module

kille wrote: I have the same problem:
www.deviationtx.com/forum/3-feedback-que...-mod-range-test#4119

You can test only 4 numbers for the ID. I think it is better with only 4 numbers. But the problem still exists.

With my TH9x have I the same issue but not so strange.


I've got this sorted now. I was on v2.1.1 and was having these issues.
I updated to the nightly build from yesterday and the problem is solved. I now have perfectly smooth servo travel on my V911.

Try updating to the latest nightly and hopefully it will solve your issues too.

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13 Mar 2013 15:45 #7688 by kille
Replied by kille on topic Problem with A7105-500m module

coreire wrote:
I've got this sorted now. I was on v2.1.1 and was having these issues.
I updated to the nightly build from yesterday and the problem is solved. I now have perfectly smooth servo travel on my V911.

Try updating to the latest nightly and hopefully it will solve your issues too.


Thanks, I will try it!

@PB do you have changed the protocol?

Regards

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13 Mar 2013 19:31 - 13 Mar 2013 19:32 #7706 by coreire
Replied by coreire on topic Problem with A7105-500m module

kille wrote:

coreire wrote:
I've got this sorted now. I was on v2.1.1 and was having these issues.
I updated to the nightly build from yesterday and the problem is solved. I now have perfectly smooth servo travel on my V911.

Try updating to the latest nightly and hopefully it will solve your issues too.


Thanks, I will try it!

@PB do you have changed the protocol?

Regards


Maybe not the fix after all. My V911 was flying perfectly last night and no servo jitter after the update.
Tried to fly it again tonight and the issue is back. I'll try to narrow down the cause of this over the next few days.
Last edit: 13 Mar 2013 19:32 by coreire.

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13 Mar 2013 20:04 #7707 by kille
Replied by kille on topic Problem with A7105-500m module

coreire wrote:
Maybe not the fix after all. My V911 was flying perfectly last night and no servo jitter after the update.
Tried to fly it again tonight and the issue is back. I'll try to narrow down the cause of this over the next few days.


I have tested it to. The sticky servos are also with the last nightly.
I will test it with a third 911 copter. The third one is a little bit newer. I will report.

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13 Mar 2013 23:19 - 14 Mar 2013 02:43 #7716 by coreire
Replied by coreire on topic Problem with A7105-500m module

kille wrote:

coreire wrote:
Maybe not the fix after all. My V911 was flying perfectly last night and no servo jitter after the update.
Tried to fly it again tonight and the issue is back. I'll try to narrow down the cause of this over the next few days.


I have tested it to. The sticky servos are also with the last nightly.
I will test it with a third 911 copter. The third one is a little bit newer. I will report.


Ok, found the problem.
When you update the firmware, don't use the TX.ini from your old filesystem.
You can use your model files, icons etc. but make sure you start with a clean TX.ini. Mine is working perfectly now. I can cause the problem to reappear by moving back the old ini file.

Edit:
I had a quick look to see if I could find the problem with the tx.ini.
The tx.ini that was causing the problems seems to be missing it's formatting. I'm not sure how or when this happened to it.
The original tx.ini from V2.1.1 and from the nightly build are both formatted correctly, so I think that my file must have become damaged at some time.
Last edit: 14 Mar 2013 02:43 by coreire.

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28 Nov 2014 18:35 #26620 by NIcolas31417
Replied by NIcolas31417 on topic Problem with A7105-500m module
Hello everyone,

I just added the a7105 module, and i still have some kind of lag on the servos, even after resetting the tx.ini ...
(devo7e & latest nightly build installed)
any idea ?

thx

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