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Devo 7E not binding with V636 and Syma X5C-1
- spycho
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05 Oct 2015 19:15 - 05 Oct 2015 19:20 #38450
by spycho
Devo 7E not binding with V636 and Syma X5C-1 was created by spycho
Hello. I bought a Devo 7E and an NRF24L01 module from Banggood (this one:
www.banggood.com/DEVO-Transmitter-Tuner-...ys-V922-p-89812.html
)
I connected the module to the devo based on this tutorial: www.hacksmods.com/2013/05/nrf24l01-devo7e-pinout/
I tried it with the Deviation 4.0.1 release. It connected to the V636, but it was laggy like hell. When i pushed the throttle, after 1-2 seconds it started the engines, and if i lowered, was still in the air, and crashed few times.
After i tried with nightly builds.
Since then the v636 not binding, only the leds are starting to blink faster.
With the nightly build, i can connect my syma x5c-1 to the controller. It starting the engine, but one of them is slower than the others. It causing the copter is going round.
I used modell files what i downloaded from the forums, but the problem was the same.
With the stock transmitters both work properly.
Here is the video from V636:
Here is the video from X5C-1:
May i soldered it wrong (I checked it several times, with multimeter, and it seems good), or some problems with the settings?
I connected the module to the devo based on this tutorial: www.hacksmods.com/2013/05/nrf24l01-devo7e-pinout/
I tried it with the Deviation 4.0.1 release. It connected to the V636, but it was laggy like hell. When i pushed the throttle, after 1-2 seconds it started the engines, and if i lowered, was still in the air, and crashed few times.
After i tried with nightly builds.
Since then the v636 not binding, only the leds are starting to blink faster.
With the nightly build, i can connect my syma x5c-1 to the controller. It starting the engine, but one of them is slower than the others. It causing the copter is going round.
I used modell files what i downloaded from the forums, but the problem was the same.
With the stock transmitters both work properly.
Here is the video from V636:
Here is the video from X5C-1:
May i soldered it wrong (I checked it several times, with multimeter, and it seems good), or some problems with the settings?
Last edit: 05 Oct 2015 19:20 by spycho.
- Durete
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05 Oct 2015 21:12 #38456
by Durete
Replied by Durete on topic Devo 7E not binding with V636 and Syma X5C-1
Did you calibrate your Devo sticks after Deviation install?
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06 Oct 2015 13:37 #38468
by spycho
Replied by spycho on topic Devo 7E not binding with V636 and Syma X5C-1
Yes i tried. I know that i calibrated it wrong. Now after a success calibration it seems that working correctly. BUT. The lagg is still there. If i use my syma, if it gets 1-2 meter from me, it starting to lagg. The V636 is more sensitive, it is sometimes binding, sometimes no. If the binding were successful, then it no matter how far from the transmitter (even 1-2 cm), it is does not react immediately.
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06 Oct 2015 14:43 #38470
by Durete
Replied by Durete on topic Devo 7E not binding with V636 and Syma X5C-1
Ok, first issue solved.
Now, come on with the lags.
Did you connect CE signal to VCC (3.3v) in your nRF module?
Now, come on with the lags.
Did you connect CE signal to VCC (3.3v) in your nRF module?
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06 Oct 2015 16:51 - 06 Oct 2015 16:59 #38472
by spycho
Replied by spycho on topic Devo 7E not binding with V636 and Syma X5C-1
Yes i connected it, but on the transmitter.
The true is that first time i soldered CE Signal to wrong place beside VDD on transmitter. Then it doesnt even worked. When i tried to bind something, the transmitter just restarted itself. Then i started to think, and i saw the problem. Since then CE is connected to VDD but not in the nRF module but on the transmitter. Maybe that causing the problem?
I can try to solder CE to VCC on the module, then use one wire to the transmitter? You think that can help?
The true is that first time i soldered CE Signal to wrong place beside VDD on transmitter. Then it doesnt even worked. When i tried to bind something, the transmitter just restarted itself. Then i started to think, and i saw the problem. Since then CE is connected to VDD but not in the nRF module but on the transmitter. Maybe that causing the problem?
I can try to solder CE to VCC on the module, then use one wire to the transmitter? You think that can help?
Last edit: 06 Oct 2015 16:59 by spycho.
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06 Oct 2015 19:48 #38477
by Durete
Replied by Durete on topic Devo 7E not binding with V636 and Syma X5C-1
Shouldn't be a problem where you bridge the CE signal with VCC.
My only concern is when you say " first time i soldered CE Signal to wrong place beside VDD on transmitter".
Where do you solder (wrong) first time the CE signal?
If i'm not wrong the nRF is 5V tolerant at supply, but not on signals.
Perhaps you damaged your nRF module when connected wrong the CE signal?
My only concern is when you say " first time i soldered CE Signal to wrong place beside VDD on transmitter".
Where do you solder (wrong) first time the CE signal?
If i'm not wrong the nRF is 5V tolerant at supply, but not on signals.
Perhaps you damaged your nRF module when connected wrong the CE signal?
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06 Oct 2015 20:15 - 06 Oct 2015 20:16 #38478
by spycho
Replied by spycho on topic Devo 7E not binding with V636 and Syma X5C-1
My thought was the same. I soldered it beside VDD. So where is the VDD on the transmitter and before that hole. After the TCK.
Can i check somehow that the module is damaged or no? (On that day i ordered another nrf module, so soon i will get that, and i can try with that)
btw, i like your videos on youtube, i saw there devo 7e first, and that's why i bought it (i ordered the same antennas too on ebay)
Can i check somehow that the module is damaged or no? (On that day i ordered another nrf module, so soon i will get that, and i can try with that)
btw, i like your videos on youtube, i saw there devo 7e first, and that's why i bought it (i ordered the same antennas too on ebay)
Last edit: 06 Oct 2015 20:16 by spycho.
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06 Oct 2015 20:19 #38479
by Durete
The best test you can do with your module, is test a new one
Thanks about the videos
Replied by Durete on topic Devo 7E not binding with V636 and Syma X5C-1
spycho wrote: My thought was the same. I soldered it beside VDD. So where is the VDD on the transmitter and before that hole. After the TCK.
Can i check somehow that the module is damaged or no? (On that day i ordered another nrf module, so soon i will get that, and i can try with that)
btw, i like your videos on youtube, i saw there devo 7e first, and that's why i bought it (i ordered the same antennas too on ebay)
The best test you can do with your module, is test a new one
Thanks about the videos
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06 Oct 2015 20:26 #38480
by spycho
Replied by spycho on topic Devo 7E not binding with V636 and Syma X5C-1
I have 3 syma transmitter, and 2 wltoys. If i get one from the syma, that can work? That is the same module with the +?
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06 Oct 2015 20:29 #38481
by Durete
Replied by Durete on topic Devo 7E not binding with V636 and Syma X5C-1
Yep, should work, but usually Syma transmitters use nRF/Beken modules without power amplifier.
The WlToys transmitters module should be better, because most times they use a module with power amplifier.
The WlToys transmitters module should be better, because most times they use a module with power amplifier.
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06 Oct 2015 20:38 #38483
by spycho
Replied by spycho on topic Devo 7E not binding with V636 and Syma X5C-1
Thanks everything!
I hope the module change will work.
I hope the module change will work.
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07 Oct 2015 21:17 #38540
by spycho
Replied by spycho on topic Devo 7E not binding with V636 and Syma X5C-1
I changed the module ( i removed one from a wltoys v636 transmitter), and with the v636 it working properly, no lags at all!
But the syma does not even connect. I think this module is not an nrf240l1+ it is just a nrf240l.
But the syma does not even connect. I think this module is not an nrf240l1+ it is just a nrf240l.
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07 Oct 2015 21:38 - 07 Oct 2015 21:39 #38542
by Durete
Replied by Durete on topic Devo 7E not binding with V636 and Syma X5C-1
Yes, I think you are right 
The SymaX protocol is working 250kbps datarate, only supported by the nRF24L01+ and Beken 2423/25
Very probably your V636 module is using an nRF24L01 or Beken 2421 (I bet Beken ).
The SymaX protocol is working 250kbps datarate, only supported by the nRF24L01+ and Beken 2423/25
Very probably your V636 module is using an nRF24L01 or Beken 2421 (I bet Beken ).
Last edit: 07 Oct 2015 21:39 by Durete.
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