Crazyflie Flow Deck V2The Flow deck gives the Crazyflie 2. x the ability to detect its motion in any direction. The VL53L0x ToF sensor measures the distance to the ground with high precision and the PMW3901 optical flow sensor measures movements of the ground. This creates a flying 3D robot that can be pre programmed to fly distances in any direction or act as an aid for beginners as it creates a very stable flying platform. Features Fast, accurate distance ranging