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Development of Smart Switch Device for Home Security and Energy Saving

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Abstract:

The need for effective security in residential landscapes and the reduction of energy consumption in connection with home management activities have led to a growing interest in the field of smart home technology. Smart home is an emerging field of technology transforming how people live and interact with their homes. This research develops a smart home automation system with a microcontroller to enhance energy efficiency, safety, and convenience through wireless control of household appliance operations. The system employs two modes of control: manual and automatic. The manual mode offers control and monitoring capabilities through a web application, accessible globally. The automatic mode provides security alerts and intelligent appliance control, minimizing the need for human intervention. The effectiveness of integrating a microcontroller with various sensors and relays for home automation is demonstrated, with a Digital Humidity and Temperature (DHT11) sensor and a Metal Oxide Semiconductor (MQ-5) gas sensor performing reliably with an accuracy rate of nearly 90%, and the light-dependent resistor (LDR) achieving a success rate of over 89%. The energy saving and safety achieved by applying the developed smart home automation system in this study demonstrate the viability of microcontroller-based smart home solutions

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Periodical:

Engineering Headway (Volume 33)

Pages:

249-258

DOI:

https://doi.org/10.4028/p-XkV56A

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Online since:

February 2026

Authors:

Taiwo Stephen Mogaji*, I.O. Lawal, A.O. Kilasho, A.M. Akinwole, M.C. Elaine

Keywords:

Energy Saving, Home Automation, Internet of Things (IOT), Microcontroller, Web Application

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© 2026 Trans Tech Publications Ltd. All Rights Reserved

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* - Corresponding Author

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