DESIGN AND CONSTRUCTION OF A TEMPERATURECONTROLLED FAN WITH HUMAN DETECTION FOR AUTOMATIC OPERATION
Abstract
ABSTRACT
This project presents a cost-effective, energy-efficient Temperature-Controlled Fan system
using an Arduino Uno, integrating a DHT11 temperature sensor and a PIR sensor for
automated operation. The fan activates only when the ambient temperature exceeds a
predefined threshold and human presence is detected, reducing unnecessary power usage.
A relay module controls the fan, while an LCD displays real-time temperature and fan
status. The system is evaluated based on response time, power consumption, and accuracy,
demonstrating effective performance and user convenience. It is suitable for residential,
commercial, and industrial applications, with potential future enhancements like Wi-Fi
connectivity and adaptive control via machine learning
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