Abstract
The growing demand for smart homes necessitates reliable, power-efficient, and high-featured automation systems. This paper presents a new and cost-effective Home Automation System using the universal ESP32 microcontroller. One of the major innovations of the system is the provision of an onboard battery backup system, ensuring uninterrupted operation of critical functions during power outages, thereby enhancing the reliability and trust of the system. The key features displayed are lighting control and innovative dual purpose fan unit. Furthermore, the system incorporates environmental sensing using temperature and humidity sensors (DHT11). The lighting system displays rudimentary remote control and scheduling capabilities. The dual-function fan is programmed to automatically engage as an exhaust fan when ambient temperature or humidity levels surpass a predefined threshold, ensuring optimal indoor air quality and thermal comfort. Control for all connected devices, alongside the real-time visualization of all measured parameters, is managed wirelessly using the Blynk IoT platform, providing users with flexibility and convenience. All control of the devices is done wirelessly, with the advantage of ease of use and convenience to the user. We present the system architecture, with low-power requirements for extended battery life and the control logic implemented on the ESP32. Experimental validation confirms the system's stability and responsiveness in both mains supply and battery-backup modes. The solution deployed provides a pragmatic, affordable, and fault resistant solution to modern home automation, meeting the need for functionality and continuous service in environments with poor power supply. This study provides a foundation for building more robust and resilient smart home systems.
Keywords
Home Automation System, ESP32, Battery Backup, Dual-Function Fan, Smart Home, Internet of Things (IoT), Power Resilience, Microcontroller.
Citations
IRE Journals:
Srushti J Bondre, Rishita Buchade, Prof. Kalpana Pardeshi, Prof. Dipti Pandit "A Solution to Home Automation: Controlling Smart Exhaust Fans and LED Lights" Iconic Research And Engineering Journals Volume 9 Issue 6 2025 Page 857-861 https://doi.org/10.64388/IREV9I6-1712807
IEEE:
Srushti J Bondre, Rishita Buchade, Prof. Kalpana Pardeshi, Prof. Dipti Pandit
"A Solution to Home Automation: Controlling Smart Exhaust Fans and LED Lights" Iconic Research And Engineering Journals, 9(6) https://doi.org/10.64388/IREV9I6-1712807
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