here is my robot.
This a remote design for the LEGO Mindstorm EV3 robotics product. I was playing around with the IR controller and used some LEGO Bionics pieces to make a stand. I was fiddling around with the stand and noticed that the controller can pop forwards and bars shot outwards much like a lady bug. I decorated it and, vola, the LBR was born.
Here is an interesting article about a $2 FPV antenna:
Here is an interesting page that explains why drones generally have four motors: https://www.wired.com/2017/05/the-physics-of-drones/
Here is an interesting link… it may not be the best drone, but it is built from scratch…..https://youtu.be/DYpHB-LfloI