Ultrasonic Range Finder

Vex Robotics | A-000000-00021
Improve your Vex Robotics autonomous robot using this ultrasonic sonar sensor. This robotic sensor adds distance measurement and obstacle avoidance capacity to your robot.
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Vex Robotics ultrasonic sonar sensor

Avoid obstacles and measure distances with this ultrasonic range finder. Device emits a high-frequency sound wave that alerts the robot to things in its path. A Programming Kit is needed to change the program in the VEX Controller.

  • Measure distances from 1.5in to 115in.
  • Avoid obstacles.
  • Create more autonomous function.

Function

An ultrasonic range finder sensor enables a robot to detect obstacles in its path by utilizing the propagation of high-frequency sound waves. The sensor emits a 40kHz sound wave, which bounces off a reflective surface and returns to the sensor. Then, using the amount of time it takes for the wave to return to the sensor, the distance to the object can be computed.

Application: The sensor can be used to determine distances to objects. It can be used as a tool to determine if any objects are in the robot’s path at all. To increase the sensing range, the sensor can be mounted to a servo to allow it to rotate.

 

Find out more by checking the PDF documentation of this ultrasonic range finder.

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