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Lynnette Reese

The working principle, applications and limitations of ultrasonic sensors

January 7, 2021 By Lynnette Reese

The ultrasonic sensor (or transducer) works on the same principles as a radar system. An ultrasonic sensor can convert electrical energy into acoustic waves and vice versa. The acoustic wave signal is an ultrasonic wave traveling at a frequency above 18kHz. The famous HC SR04 ultrasonic sensor generates ultrasonic waves at 40kHz frequency. Typically, a […]

Filed Under: Featured, Frequently Asked Question (FAQ), Position, Ultrasonic, Ultrasonic, Ultrasonic Level Sensor Tagged With: FAQ

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