I check /cmd_vel topic with rostopic echo cmd, and Twist msgs (none-zero) are being continously pubilished throughout the action, but the drone never response.
Thanks for any help.
If you are using the parrot ar drone there should be a topic /drone/takeoff that excepts Empty msgs.
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Thx, it works perfectly.
This topic is never menioned in the notenook, so i am unaware of it at all.
Also took me a while to find that topic