This Arduino library provides a simple C++ class for ultrasonic distance sensors (SRF04, SRF05, HC-SR04). It supports measuring distances in centimeters or inches, object detection within a threshold, ...

An autonomous robot that detects and avoids obstacles using Arduino Uno, Ultrasonic Sensor (HC-SR04), Servo Motor, and L298N Motor Driver. The robot continuously scans its surroundings and makes ...

A new category of sensing technology transforms mobile robot vision from 2D to 3D, improves safety performance and provides 50-80% cost savings compared to traditional, LiDAR-based systems and sensor ...

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

Abstract: In this letter, we proposed an ultrasonic sensor-based resolution tunable displacement measurement system by using an extension spring. In the proposed method, a linear extension spring is ...

Abstract: Thanks to their ability to withstand many harsh environments and their low intrusivity, optical fiber sensors are now widely used. Fibers can measure various physical quantities, including ...

Home security cameras have become a popular alternative to professionally installed security systems from companies like ADT and Vivint. Offering reasonable prices, low monthly subscription fees, and ...