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DJI Neo looses control at low light with Goggles 3
583 0 2024-10-9
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FPVrider
lvl.2
Flight distance : 106516 ft
Switzerland
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I analyzed with some better granularity the "out of control" issue with the DJI Neo:As background: I have all DJI FPV drones (FPV, Avata, Avata 2 and now the Neo).
I updated the Neo firmware to the latest version:
  • DJI Neo Firmware: V01.00.0300
which announced "Improved positioning performance", but this did not resolve the issue.

When I fly the Neo with my Goggles 3 and Motion Controller indoors (no GPS signal), I loose control every time the alarm about low light conditions comes up.
At the very moment when the Alarm is generated, the Neo starts accelerating forward and bumps into the next wall or object.
There is no time to react after the alarm is generated the drone is accelearting and any input from the motion controller is ignored.

Outside and with enough light the Neo flies perfectly and precise, with the Goggles it behaves just like my Avatas and I also notice no issues with the RC-N3 or mobile phone control.

I tested the same light conditions indoors with the RC N-3, with this controller the reaction is normal (as expected):
At the the same situation where I loose control with the Goggles, the DJI Fly App warns as well: "Insufficient light, Altitude Mode, Fly with Caution".
In "Altitude mode" the positioning is no longer perfect, the drone may drift a bit, but I still have full control to compensate these drifts, so it is no problem.
It also does not accelerate suddenly. There is time to land or even to navigate back to an area with better light.
I would expect the same behaviour also with the Goggles and Motion Controller, without camera positioning the drones could be less stable, OK, but I should still be able to compensate drifts with the controller. If this is not possible because of the different technology, in case of the alarm I would still prefer to freeze all controls or just land.
But accelerating is the worst possible option possible. This does absolutely feel like a failure, not the situation described in the manual.

To be clear, the situation when I get the alarm is by no means really "low light". I would describe it as typical daylight indoors when you are not immediately flying next to a window. To get an idea, if I switch on the electric lights, I do not notice a significant difference.
If this drone is supposed to to be usable for indoors flying it must absolutely be able to handle this amount of daylight

The bad behaviour with the goggles is abolutely reproducable and not acceptable. When people or valuable object are in the way, bad things could happen.

I am actually afraid now to fly the drone with goggles, even outdoors. I also do not recommed others to do so while the issue is not fixed.
I imagine a situation with "insufficient light" in the later afternoon, if there is no wall to bump against, nobody knows where the drone would be flying out of control...

2024-10-9
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