Hello everyone. I'm using an AR.Drone 2.0 and, when I was using it in ROS+Gazebo everything worked perfectly because it was perfectly stable in hover mode (I mean, when it was flying in a specific point (x,y,z) and not moving).
But now I'm using it in the real world and when I publish a takeoff message it goes up and then anywhere. I don't know if it's because it was hit by anyone (I'm not the first user of this drone) or what can happen. Is this drone pretended to hover stable without doing anything? Or do I have to make a PID to control the velocities and the orientation? How can I do that PID if I don't have any tag or marker? Does the drone give me the yaw, roll, pitch, and velocities?
This is the launch I'm using for the real AR.Drone (it was taken from the Internet):
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