A simple library for HC-SR04 ultrasonic sensor. It uses STM32 HAL library. Copy the library header and source files to your project folder(Inc and Src folders). Configure STM32CubeMX to use GPIO pins ...

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

I used an ultrasonic proximity sensor attached to a servo to scan in three directions: left, center, and right. The sensor detected objects at a max of 200cm and displayed the objects on the VGA ...

Abstract: Underwater acoustic sensor networks offer significant advantages for numerous maritime applications, allowing to connect and coordinate multiple seafloor sensors and autonomous underwater ...