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The Flow deck gives the Crazyflie 2.X the ability to detect its motions in any direction. The VL53L1x 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
Measures absolute range up to 4m
Eye-safe
Measures horizontal movement
Creates a 3D robot that can be pre-programmed
Aided flight

Specifications

VL53L1x ToF sensor to measure distance up to 4 meters within a few millimeters (depending on surface and light conditions)
1-wire memory for automatic expansion deck detection
PMW3901 optical flow sensor (works best on matt surfaces)

Mechanical specifications