Abstract: When a code disk of a displacement sensor is exposed to dust or other impurities, it causes distortion of the grating moiré fringe signal, and thereby provides wrong displacement information ...

Abstract: In a ball screw precision positioning system, a high-precision external displacement sensor can effectively identify the positioning error of the ball screw ...

Arduino-based Bus Overload & Accident Detection System using Ultrasonic Sensor, GSM, Bluetooth, Servo Motor, Buzzer, and LCD. Automatically detects accidents, opens doors, sounds an alarm, and sends ...

Bonezegei_HCSR04 is a simple and easy-to-use Arduino library for interfacing HCSR04 ultrasonic sensor module. The library provides functions for measuring distance, setting trigger and echo pins. The ...

A group of former leaders of the U.S. Centers for Disease Control and Prevention who served under both Democratic and Republican presidents blasted Health and Human Services Secretary Robert F.