Devo 12s 3in1 / 4in1 RF module neat installation.

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30 Nov 2016 22:16 - 01 Dec 2016 05:59 #56395 by wahnfried
Replied by wahnfried on topic 3in1 / 4in1 RF module
So after browsing this thread for an hour or so, I am still not sure... The board of victzh has yet to be launched, right? (Devo 7e btw)
Last edit: 01 Dec 2016 05:59 by wahnfried.

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30 Nov 2016 23:06 - 30 Nov 2016 23:35 #56396 by Wene001
Replied by Wene001 on topic 3in1 / 4in1 RF module
Hi

do you think i can use this banggood Module in my Devo12s with the standard 1S Lipo ????
4in1 for Devo

i'm not sure about the dropoff voltage on the regulator used at this daughterboard....

Has anyone this in use in a Devo 12s with the Original 1S Lipo battery

The module works fine in my Devo 6s. For my CX10 (red board) i had to turn off auto ack in the YD717 protocol options to get rid of the lags..

Cheers Werner


BTW: a guy committed at banggood that he opened the module up and found a NRF24L01+ chip
Last edit: 30 Nov 2016 23:35 by Wene001.

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01 Dec 2016 00:29 #56398 by victzh
Replied by victzh on topic 3in1 / 4in1 RF module
@wahnfried, yes, I'm debugging F4 now, Devo 7E, Devo 10, Devo 12 already work. I made some progress with it, at least I found one place where it hangs, there is another one :-)

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04 Dec 2016 18:47 - 04 Dec 2016 18:50 #56517 by Wene001
Replied by Wene001 on topic 3in1 / 4in1 RF module
good work victzh

Do you have fluctuating TX-Voltage readings and noisy Analog Channel displayed while using your 4in1 solution in the 12S.


like mentioned here
www.deviationtx.com/forum/3-feedback-que...voltage?limitstart=0

Worst VCC ripple is with the FrskyX and FrskyD Protocols in use.

cheers
Last edit: 04 Dec 2016 18:50 by Wene001.

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05 Dec 2016 17:24 #56555 by victzh
Replied by victzh on topic 3in1 / 4in1 RF module
I did not measure the ripple, but I don't use the 3.3v from Devo - it's too weak and the original RF module and Banggood module for Devo also don't use it. We're all using 5v and separate LDO to produce 3v needed for actual RF chips.

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05 Dec 2016 18:18 #56557 by Wene001
Replied by Wene001 on topic 3in1 / 4in1 RF module
I tested yesterday my banggood Module on my Power supply. With 3,5v Input voltage i got 2,7v on the Output pin of the voltageregulator. Do you think this is Safe?
The datasheets for all the transceicer chips are saying Operation voltage from 1.8 or 1.9 to 3.6v
I will give it a try next Weekend in my devo12 with 1S Lipo

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05 Dec 2016 19:00 #56558 by victzh
Replied by victzh on topic 3in1 / 4in1 RF module
I think Devo 12s has a boost converter to 5v - Lipo range is 4.2 down to 3.6 volts, so it make sense to have a stable voltage over the system. One local converter provides 3.3v for MCU, another one on the module - to the RF chip(s). It's robust architecture to reduce noise over the system.

I'll take a look inside my Devo 12s to make sure they have this 5v line.

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05 Dec 2016 20:43 - 05 Dec 2016 21:23 #56561 by Wene001
Replied by Wene001 on topic 3in1 / 4in1 RF module
Aah...that would make sense....

Edit:
Opened up my Devo 12S
The onboard switchmode voltage regulator is providing 4,25V for the TX-module, no matter if i feed it with 2,8V or 4V from my laboratory power supply.
Last edit: 05 Dec 2016 21:23 by Wene001.

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06 Dec 2016 04:04 #56570 by M8A4X
Replied by M8A4X on topic 3in1 / 4in1 RF module
Hi,

just an information regarding the "ripple" in the input monitor of the Devo 12S as well as the voltage reading:

I exchanged a former installed CC2500 module ("blue" one from aliexpress) to the banggood 4in1 multimodule.
With the CC2500 I had this "ripple", with the 4in1 multimodule it is gone. No matter if in Frsky protocol the telemetry is enabled (and working) or not, no matter which Frsky sub-protocol I use (X, D8, ...).

I don't know if the change is related to the module or my cable routing or something else, but the ripple-situation has improved, at least for me, with the 4in1 multimodule.

And by the way I have not altered the power supply of the module, it was merely a "drop-in replacement" of the original walkera module.

Best regards
Max

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06 Dec 2016 07:53 #56574 by Wene001
Replied by Wene001 on topic 3in1 / 4in1 RF module
Same here

Last night I changed from A7105 and cc2500 powered from the debug ports 3.3V (LF-Filter Elkos and Diode installed to get rid of ripple)
to Banggood 4in1 with onboard LDO powered from the 4,25V line @ module bay (standard drop in replacement)

All looks fine now

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07 Dec 2016 21:04 #56629 by tun0
Replied by tun0 on topic 3in1 / 4in1 RF module
Received the 4-in-1 module for my Devo10 today. Will do the soldering tomorrow hopefully. Looking forward to the results. *fingers crossed*

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07 Dec 2016 22:55 #56638 by Wene001
Replied by Wene001 on topic 3in1 / 4in1 RF module
Good luck, and welcome to the deviation Community
You will see, its almost plug and play...

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08 Dec 2016 00:01 #56643 by victzh
Replied by victzh on topic 3in1 / 4in1 RF module
@Wene001, I finally checked voltage on my Devo 12S - battery 3.9v, RF module source - 4.25v. It makes sense not to overload LDO with extra voltage, so 4.25, which is 0.95v higher than 3.3v for RF chips seems reasonable choice. And judging by the PCB components it has boost converter (how else?!) as I guessed.

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08 Dec 2016 09:16 #56657 by povlhp
Replied by povlhp on topic 3in1 / 4in1 RF module
The 4-in-1 is trivial. One of the simpler RC soldering jobs I have done.
Nicely spaced solder islands.

Did mine a few days ago. Worked right away with my E010. Have yet to test other receivers. But I do have DSMX, and plenty of FlySky to test on

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09 Dec 2016 00:05 - 09 Dec 2016 00:19 #56691 by aMax
Replied by aMax on topic 3in1 / 4in1 RF module

povlhp wrote: Did mine a few days ago. Worked right away with my E010. Have yet to test other receivers. But I do have DSMX, and plenty of FlySky to test on


Are there any serious results for range and reliability of the 4in1 module, especially for the main chips (CC2500/A7105/CYRF) ?

I have to make the decision to continue with an additional Devo10/white and this module or to keep my 7e for Deviation only and go for a Taranis 9XD as the main transmitter.

Devo7e, TaranisQ X7, R9M , 4in1 MM, Futaba FC18plusV3.2 & DFT/FLD-02
Last edit: 09 Dec 2016 00:19 by aMax.

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09 Dec 2016 00:19 #56692 by ltlethel
Replied by ltlethel on topic 3in1 / 4in1 RF module
can you tell me what pins to solder on the Devo 10 there is no instructions or a video yet thank you if you can help

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09 Dec 2016 03:55 #56694 by Arnold
Replied by Arnold on topic 3in1 / 4in1 RF module

ltlethel wrote: can you tell me what pins to solder on the Devo 10 there is no instructions or a video yet thank you if you can help


You don't say which Module you have, 3in1 or 4in1.
For the 3in1, see the second post in this thread for photos.
For the 4in1, see post #55157 & scroll to the Devo10 pictures.

Too many hobbies & too many Devos!
Who knows where the time goes?

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09 Dec 2016 05:32 #56695 by tun0
Replied by tun0 on topic 3in1 / 4in1 RF module
I agree. The soldering was quite easy to do, and I hadn't used my soldering iron for ages.

Tested if it'd bind with my V911-pro, and that worked like a charm. Have yet to check my SuperCP and QX95, but I expect no issues there either.

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09 Dec 2016 06:02 #56696 by yunga
Replied by yunga on topic 3in1 / 4in1 RF module
In my Devo10 with 4-in-1 RF Module I've had a problem with nrf 24L01 Module to be recognized.Looks like I got my 24L01 Module recognized by changing line enable-nrf24l01 = A14 in "hardware.ini" to enable-nrf24l01 = B7. My 4-in-1 Module for Devo 10 from AliExpress
www.aliexpress.com/item/CC2500-NRF24L01-....13010608.0.0.rGWYKG

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09 Dec 2016 07:54 #56698 by povlhp
Replied by povlhp on topic 3in1 / 4in1 RF module

yunga wrote: In my Devo10 with 4-in-1 RF Module I've had a problem with nrf 24L01 Module to be recognized.Looks like I got my 24L01 Module recognized by changing line enable-nrf24l01 = A14 in "hardware.ini" to enable-nrf24l01 = B7. My 4-in-1 Module for Devo 10 from AliExpress
www.aliexpress.com/item/CC2500-NRF24L01-....13010608.0.0.rGWYKG


But that is exactly what is written in the .ini after the Devo 10 installation photo in this
www.deviationtx.com/forum/7-development/...dule?start=940#55157
Also listed just over the image.

So if this is the instruction you followed, it will be B7, as that is where the pin is soldered.

You can also see it here:
www.deviationtx.com/forum/7-development/...4in1-rf-module#43726


A13 is used by 7105.

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