Without any delays, here are the best Phones with Ultrasonic Fingerprint Sensors (May 2025) that make the cut: ...

Abstract: In this study, we propose an ultrasonic tactile sensor for real time ... generate pulses of ultrasound waves that travel upwards through the sensor components to the contact interface while ...

This is an Arduino library for SDI-12 communication with a wide variety of environmental sensors. It provides a general software solution, without requiring any additional ... Advantages of SDI-12 ...

A pocket-size ultrasonic bladder-volume sensor has been constructed and tested with successful results. This paper describes the sensor and presents results from its use on healthy volunteers.