vision positioning system

I ran into a bit of a challenge the DJI Go 4 App told me that my Mavic Pro firmware was abnormal. It turned out my downward vision sensors needed calibration through the DJI assistant software. If you don’t know the procedure I have made this tutorial to show you the steps needed to complete...

Hi everyone, I'm aware there has been a lot of discussion about the Atti mode, but some of the information is mixed. My have tried the atti mode today in my room and outside, and in both cases the drone has not been steady. Inside, I just flew it a bit up (20-30 cm), and it started moving up...

I love everything about my P4 but especially the VPS and forward obstacle avoidance. Is there any other drone on the market that has anything as sophisticated as the P4 VPS and obstacle avoidance. I've been a simple forward system on some but maybe I don't know where to look.

I'm seeing some mixed posts saying to disable the VPS over water but on other posts it says that the VPS can get disoriented only a few feet above water. Can anyone clarify: Below what height should the VPS be turned off if you are not over just water? For example there is a lake I fly over...

In case anyone needs to figure out how to remove or replace the VPS module on their aircraft, here is a quick video (part of a larger series that covers how to assemble/reassemble the entire aircraft) that might be helpful: Video