Design and Implementation of a Low-Cost Touchscreen-Based Modern Home Automation System for Residential Energy Management

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Authors

  • Amit Mehra Department of Electrical Engineering SKIT, Jaipur, Rajashtan, India Author
  • Suman Sharma Department of Electrical Engineering SKIT, Jaipur, Rajashtan, India Author

Keywords:

Home Automation, Microcontroller, Touchscreen Interface, Real-time Monitoring

Abstract

The ever-evolving landscape of embedded systems and the Internet of Things (IoT) has transformed the way homes operate. The aim of this research was to develop and construct a local home automation system that replaced traditional mechanical switches with a digital touchscreen interface. The system design employed an 8-bit 8051-family microcontroller as the control logic and a 4-wire resistive touch panel for user input. For power control and safety, a 4-channel relay module was used to achieve electrical isolation between the low-level control and high-level power loads. The system exhibited almost instantaneous response, with touch-to-load delay much shorter than human response time. The addition of a 16x2 alphanumeric LCD display enabled real-time monitoring, enhancing transparency. Compared to conventional manual switches, the proposed design provided greater convenience, monitoring and safety. The results of the study found that the proposed prototype is a cost-effective, reliable and scalable solution for home automation, especially where network connectivity is not essential and reliability is a critical requirement. This study suggests future work include the addition of wireless communication and sensor networks, to develop the system into a self-monitoring smart home.

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Author Biographies

  • Amit Mehra, Department of Electrical Engineering SKIT, Jaipur, Rajashtan, India

    Amit Mehra is a Research Scholar in the Department of Electrical Engineering, SKIT, Jaipur

    Competing Interests:

    The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

  • Suman Sharma, Department of Electrical Engineering SKIT, Jaipur, Rajashtan, India

    Dr. Suman Sharma is a Project Supervisor and Associate Professor in the Department of Electrical Engineering, SKIT, Jaipur

    Competing Interests:

    The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

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Published

2026-03-01

Data Availability Statement

All data generated or analysed during this study are available from the corresponding author on reasonable request.

Supporting Agencies

This research was conducted without external financial support. No government, commercial, or non-profit funding agency provided funds for this study.

Competing Interests

  • Amit Mehra:

    The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

  • Suman Sharma:

    The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

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How to Cite

Mehra, A., & Sharma, S. (2026). Design and Implementation of a Low-Cost Touchscreen-Based Modern Home Automation System for Residential Energy Management. Synergy: International Journal of Multidisciplinary Studies, 3(1), 70-80. https://doi.org/10.63960/sp.2026.sijmds.3.1.60

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