A beginner-friendly Arduino project demonstrating how to measure distance using an ultrasonic sensor. This project uses the HC-SR04 ultrasonic sensor to detect the distance between the sensor and an ...

This project is a simple automatic toll gate system built using Arduino, an ultrasonic sensor, a servo motor, and a 16x2 LCD display. The system detects when a vehicle approaches the gate, opens the ...

Abstract: This paper provides details about the design and operation of a Collision Avoidance System in smart cars, with the Arduino board as the central control unit, interfaced with an ultrasonic ...

The Korea Research Institute of Standards and Science (KRISS) has developed an ultrasonic sensor technology that applies a waveguide to detect defects in all directions without directly attaching ...

Dr. Park Chan Wook (Postdoctoral Researcher, Non-Destructive Metrology Group, KRISS); The Korea Research Institute of Standards and Science (KRISS, President Lee Ho-seong) has developed an ultrasonic ...

Without any delays, here are the best Phones with Ultrasonic Fingerprint Sensors (March 2026) that make the cut: ...

Abstract: In view of the complex electric field, the internal field of power equipment will have different degrees of distortion, so that the local electric field outburst will be strengthened, and ...

Gesture control robotics replaces traditional buttons and joysticks with natural hand movements. This approach improves user ...

We use WhatsApp almost every day so much that it has become an unavoidable part of our routine. From a simple “good morning” ...

An in situ computational spectrometer, implemented on a fully integrated 576-Kb memristor chip, can reconstruct a single spectrum in 125.0 ns and consumes only 6.7 nJ of energy, achieving ...