Trouble Shooting Copy

Tello is unable to show the camera feed

1. Update the Tello Firmware from the Tello mobile app . Check the App run video in the Revision section.
2. Use Python version 3.7.6
3. Use OpenCV version 4.4.0.44
4. Make sure your firewall is not disabling the communication
5. Make sure you are using 5 millisecond delay in the while loop “cv2.waitKey(5)

Tello flies and then lands automatically.

1. Shut the drone, change the battery and try again

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