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Benewake TFmini Plus LIDAR Module – UAV Altitude Holding Application in PDF here

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Benewake TFmini Plus is a ranging sensor with small size, high accuracy, and high measurement frequency. It can be used as an auxiliary landing and altitude holding sensor for UAVs. The LiDAR can provide distance information and feed it back, then UAV can adjust the descent speed or flight height in time.

When the UAV is flying at high altitude, the LiDAR outputs a maximum value or zero, and at this time, GPS data is mainly accepted. When the UAV is rapidly descending, the distance data output by the LiDAR gradually decreases from a large value, and the flight control system judges the altitude from the ground based on the LiDAR data.