This project uses an HC-SR04 ultrasonic sensor to measure how close an object is. A buzzer and LED react depending on the distance, similar to a car parking sensor. < 10 cm → buzzer and LED stay on.

Abstract: Blindness is a condition in which a person's vision is impaired; this can affect people to the extent that they still have some vision (referred to as low vision) or those who are no longer ...

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

The ASDX sensor of Honeywell exist in many variations. Check the datasheet of your type for all the details. The I2C_ASDX library can read the sensor and give the pressure in millibar, bar or PSI or ...

Abstract: Docking of autonomous surface vehicles (ASVs) involves intricate maneuvering at low speeds under the influence of unknown environmental forces, and is often a challenging operation even for ...