Abstract: Industrial air-handling units (AHUs) are an integral part of smart buildings that ensure proper heating, air-conditioning, and air ventilation. Measuring the speed of an industrial fan in ...

The IR sensor detects a reflective surface once per rotation. Arduino measures the time between detections, calculates RPM, and displays it on the LCD. If RPM exceeds 3000, the buzzer sounds an alert.

IoT-based farm security and monitoring system using Arduino, GSM, and IR sensors. This project implements a geofencing system for agriculture that detects intrusions (humans, animals, or unauthorized ...

Abstract: In recent years, with the rapid advancement of unmanned systems, particularly unmanned aerial vehicles and autonomous vehicles, the accurate collection of external information has become ...