On the last trip, I personally saw a big delay between the command from the controller and the display on the mobile phone. Today I wanted to see if I could do enough with 2.7k video. I set it up, I flew it and at home I found out that the result is a video in 1280/720 resolution. You can't look at it anymore. 2.7k probably won't do it. The video has a very similar quality to mobile screen recording.
Any observations, findings, ideas on this topic ???
Any observations, findings, ideas on this topic ???