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.

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 ...

The company's sensor uses sonar and echos to give robots more information about their surrounding environment.

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: ...

Every electric toothbrush will clean your teeth, but some come with extra features and accessories that can bump up the price. To find the models with the best cleaning power, we thoroughly tested the ...

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 ...

What are the best Valorant agents? This Valorant tier list categorizes all of the game's agents based on their potential effectiveness in the average match. The best agents in our book are those who ...

Abstract: Accurate characterization of pipeline defects is crucial for maintaining structural integrity and ensuring operational safety. This study introduces an innovative pipeline defect evaluation ...