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Missing Modules: NRF24101 - error on Devo 7e

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02 Jan 2019 05:26 #72168 by MrPickles2009
Missing Modules: NRF24101 - error on Devo 7e was created by MrPickles2009
I just installed the 4-in-1 Multimodule that I bought from banggood. I wired it according to this guide:
https://flexrc.com/2017/05/10/how-to-install-rf-4-in-1-module-to-devo-7e/

Whenever I turn on the Devo 7e transmitter it says "Missing Modules: NRF24101". I confirmed that I did all the wiring correctly.

Here is my hardware.ini:
;Only useful for transmitters with an after-market vibration motor
;enable-haptic=1
;
;switch_types: 3x2, 3x1, 2x2
;extra-switches=
;
;button_types: trim-all, trim-(left|right)-(up|down|both)
;May occur more than once if necessary.
;extra-buttons=
;
[modules]
; there is no need to enable the cyrf6936 module unless
; it is wired to an alternate port. It is Enabled automatically otherwise
; enable-cyrf6936 = B12
has_pa-cyrf6936 = 1
enable-a7105 = A13
has_pa-a7105 = 1
enable-cc2500 = A14
has_pa-cc2500 = 1
enable-nrf24l01 = A14
has_pa-nrf24l01 = 1
; enable-multimod = A13
If I do enable-nrf24l01 = A15 instead of A14 then no protocols work.
I can still fly all my old DSMX protocol quads when enable-nrf24l01 = A14 but cannot bind to my frsky d4r-ii on a new quad I built.

Anyone know why I'm getting this error?
Attachments:

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02 Jan 2019 08:57 #72169 by vlad_vy
Replied by vlad_vy on topic Missing Modules: NRF24101 - error on Devo 7e
A15 is pin 50 of MCU.

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02 Jan 2019 13:28 #72171 by MrPickles2009
Replied by MrPickles2009 on topic Missing Modules: NRF24101 - error on Devo 7e
ok. currently it is connected to pin 2 of the mcu. Is pin 2 A14?

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02 Jan 2019 13:51 #72172 by vlad_vy
Replied by vlad_vy on topic Missing Modules: NRF24101 - error on Devo 7e
A14 is pin 49 of MCU.

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02 Jan 2019 15:51 - 02 Jan 2019 15:55 #72173 by hexfet
Replied by hexfet on topic Missing Modules: NRF24101 - error on Devo 7e
The pin shown in the picture at the link in the first post is pin 50, which is A15. The pin 1 corner marker is in the right lower corner of the photo.

The NRF module is not used for Frsky, so the binding issue is something else. Try adjusting Freq-fine up and down in steps of 10.

Does the Frsky protocol have an asterisk in front of it? On the 7e the error dialog can only show one missing module, even if more than one is not found.
Last edit: 02 Jan 2019 15:55 by hexfet.

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02 Jan 2019 17:09 #72174 by MrPickles2009
Replied by MrPickles2009 on topic Missing Modules: NRF24101 - error on Devo 7e
There is no star next to Frsky or Frsky-V8

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29 Jan 2019 16:40 #72612 by bmw2444
Replied by bmw2444 on topic Missing Modules: NRF24101 - error on Devo 7e
Don't know why but I am also getting an similar error with my devo 10. I changed the enable NRF24L01 = A14 to = B7 and then it can be recognized. I can bind intermittently but the models spin in a circular motion rendering them unflyable.

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11 Feb 2019 21:20 #72856 by bmw2444
Replied by bmw2444 on topic Missing Modules: NRF24101 - error on Devo 7e
I was able to get models to work successfully. Syma x5c, jjRC x1, Eachine h8s 3d and even a AFHDS-2A protocol for a flysky receiver. Now if I can get the bugs 3 to bind the whole reason I deviated my tx that would be great. I am able to get to the fixed ID but binding is not taking place. I think I have the build that supports the auto generated ID but still no dice. Any help is welcomed.

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12 Feb 2019 16:04 #72875 by MrPickles2009
Replied by MrPickles2009 on topic Missing Modules: NRF24101 - error on Devo 7e
I changed A14 to B7 and my transmitter still said "Missing Modules: NRF24101". I just disabled NRF24101 and i'll probably just buy a flysky transmitter. At least the other protocols work

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12 Feb 2019 16:40 #72876 by 52dgj
Replied by 52dgj on topic Missing Modules: NRF24101 - error on Devo 7e
You should upload your connection picture so that we know which pin you are connected to.
DEVO12,DEVO8S,DEVO7E,DEVO10,Taranis QX7,FS-i6

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12 Feb 2019 18:01 - 12 Feb 2019 18:02 #72877 by MrPickles2009
Replied by MrPickles2009 on topic Missing Modules: NRF24101 - error on Devo 7e
Pin


it's the second from the bottom
Last edit: 12 Feb 2019 18:02 by MrPickles2009.

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13 Feb 2019 06:15 #72884 by vlad_vy
Replied by vlad_vy on topic Missing Modules: NRF24101 - error on Devo 7e
It's low res image, but I think you interconnected two pins, pin 49 (A14) and pin 50 (A15). Try to solder thin wire to MCU pin, then solder black wire to that thin wire and glue black wire to mainboard.

I'm usually use one thread from multiple-strand wire, solder to the pin on top of MCU, solder wire to it and glue to the MCU by foam adhesive tape.

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