what is ultrasonic sensor?

Question

Accepted Answer

An ultrasonic sensor is a device that uses sound waves with frequencies higher than the upper audible limit of human hearing to measure distances.

Ultrasonic sensors emit high-frequency sound waves and measure the time it takes for the waves to bounce back after hitting an object.
They are commonly used for distance measurement, object detection, and obstacle avoidance.
Ultrasonic sensors can be found in various applications such as parking sensors, robotics, industrial automation, and healthcare.
They work based on the principle of echolocation, similar to how bats navigate and locate objects in their surroundings.
Ultrasonic sensors can provide accurate distance measurements even in challenging environments with dust, smoke, or low light conditions.

Accepted Answer

Measures the distance  to an abject  using ultrasonic sound waves

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