These are very advanced technologies, often requiring expensive sensors, etc. But on this site you can find developers of spatial AI (it doesn't require expensive additional modules). This method will help your drone easily assess its surroundings. Your drone will be able to identify obstacles in real time and move independently.

Thank you, I will definitely try to use this

Right thoughts, now we need something breakthrough and interesting. I think such toys will be popular. And for orientation in space, I can advise you to find out what is SLAM. With this technology, you can achieve the result you need.

I studied this topic for a very long time, in my opinion, it is not a bad option to insulate the facade with technonicol stone wool. Stone wool sheets perfectly cope with the task of preserving heat, I personally made sure of it. You will also get good sound insulation, which is also very pleasant.

I would also be very interested to know the information on this subject ..

Thank you all for the recommendations, we will definitely look at the proposals at our leisure.