Archive: https://archive.today/WRnYe From the post: >>For a long time I’ve wanted to play around with various concepts in controls engineering. I’ve studied concepts like quaternions, kinematics, Kalman filters, etc., but I feel like you never really learn and internalize these sorts of concepts until you actually build something with them, so in the fall of 2025 I decided to build my own drone “from scratch” in order to get a chance to implement these things first hand.