The SparkFun Ultrasonic Distance Sensor - TCT40 (sen-24805) a user-friendly upgrade to the popular HC-SR04 sensor, offers non-contact distance measurement from 2cm to 400cm with an accuracy of 3mm.

Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), School of Physical and Mathematical Sciences, Nanjing Tech University (NanjingTech), 30 South Puzhu Road, ...

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Abstract: This paper presents the use of a batteryless LoRaWAN ultrasonic sensor node for the realization of LoRaWAN based smart garbage collection, to be deployed for waste management in the Smart ...

Abstract: This work investigates the potential of using simple inline no-core fiber (NCF)-based multipoint acoustic sensors providing high frequency bandwidth and dynamic range for ultrasonic guided ...