Ultrasonic Sensor for Coding


I want to use the ultrasonic sensor to prevent the drone from hitting the walls.

  1. Where is the ultrasonic sensor in the Main Block(top or bottom)?
  2. Which port(1-6) is it close to?
  3. It is used for measuring horizontal or vertical distance?
  4. What is the measurement(in cm or m)?


According to the specs (link) there is not one.


Thanks for your information.


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