Ultrasonic Sensors

Ultrasonic sensors emit ultrasonic waves in the air that reflect off of objects. The reflected sound is then received by the sensor. This technology is used for detection of objects in burglar alarms and automatic doors as well as for range measurement in automotive parking assistance systems.

Ultrasonic Sensor

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Technical Reference


Basic knowledge about ultrasonic sensors, including the principle by which they produce sound, their characteristics, and their basic circuit configurations.

Learn the operating principle of distance detection and the usage and applications of ultrasonic sensors in PAS applications, human detection, and more.