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Few questions and issues with the tello

arkadyzi

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Oct 2, 2019
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Hello,

i have few questions and issues with the tello, and i will appreciate your help:

1. is the tello state data is valid always, or only during flight?
2. it seems that the state the tello sends always has acceleration in all the axes, even when the drone is on the floor.
i've tried IMU and central ground calibration - it did not help. any suggestions?
3. is the data received in tello state is reliable? ( i would like to use the data and would like to know how much should i rely on it)
4. will it be possible to control the tello with the low level driver, while using tello state and receiving video on port 11111 - all the same time? will the data from tello state will be valid in that scenario?

Thanks for the help.

tello state data when tello is on the floor:
tello_state.jpeg
 
Last edited:

hames

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Apr 4, 2019
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I believe the acceleration is caused by gravity.
It does make sense as agz is -996 (g=981).
As for x and y probably the IMU isn't exactly levelled to the ground so it picks up some of the gravity acceleration as well. (It may also just be some uncertainties in the sensor.)
 

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