Powys County Council has warned drivers after reports of fraudulent QR codes being placed on signage in some car parks. A spokesperson said: “We have received reports of scam QR codes being placed on ...

Abstract: Scaling down linear actuators is crucial for various industrial applications, yet the efficiency of electromagnetic linear actuators decreases significantly as they are miniaturized.

I built a mini radar system using Arduino UNO, HC-SR04 Ultrasonic Sensor, and SG90 Servo Motor, paired with a JavaScript-based visualization dashboard 🖥️. The servo sweeps from 0° to 180°, collecting ...

Abstract: The standing wave ultrasonic motor (SWUSM) utilizes two resonant modes to enhance stator motion. The less the frequency separation between two resonance modes, the faster the speed of ...