Description
« Back to Glossary IndexDescription 7 February 2022 by Phillip JohnstonUltrasonic sensors involve a transmitter that emits a noise (also called a chirp), typically within the 23 kHz-40kHz range, and measure how long the sound wave takes to reflect off of an object and return to a receiver (often placed in close proximity to the transmitter). Using the speed of sound (343m/s at room temperature), the distance to the object can be detected. The simple fact that a is reflected and returns can be used to indicate the presence of an object. Uses Fundamentally, ultrasonic sensors can be used to …
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Categories: Field Atlas
Tags: Electrical Component, Sensor
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