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Design and Implementation of Low-Cost Smart Home System with Sensor Multiplexing

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Abstract

In the general smart home, the system is an add-on to home automation and automation of systems guarantees human comforts like lighting, heating, ventilation, and security. In this proposed work, we have designed and implemented a low-cost smart home system using sensor multiplexing technique which is extendable, cheap, and multi-faceted and supported Node MCU (ESP8266). The sensors are used in the smart home to detect various flammable gases with the help of MQ-6 (LPG), MQ-7 (CO), and MQ-135 (CO2) and environment parameters like temperature and humidity with the help of DHT11 sensor, and finally to detect intruder with the help of passive infrared rays (PIR) sensors. All the sensors' information is to measure and at the same time to upload it to IoT cloud (Ubidots) platform, and any sensor that exceeds its threshold value indicates an alert message on the LCD at the same time piezo-buzzer alerts in the form of beep sounds in surrounding areas. The major development of a home automation system is to comprehend most home appliances that use Wi-Fi for remote observance. Technological progress has increased the implementation of home systems leading to improved standards of living. Industrial smart home systems are still unaffordable to an enormous of the center and social class families. However, the emergence of low-cost microcontroller development boards, just like the Node MCU (ESP8266), has enabled the implementation of cheap and efficient home systems.

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Authors and Affiliations

  1. Department of Electronics and Communication Engineering, Koneru Lakshmaiah Education Foundation, Greenfields, Vaddeswaram, Andhra Pradesh, 522502, India

    S. Nagendram, P. Kanakaraja & K. Akhil

  2. Department of Computer Science and Engineering, Andhra University, Visakhapatnam, Andhra Pradesh, India

    M. S. R. KiranNag

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  1. S. Nagendram
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  2. P. Kanakaraja
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  3. M. S. R. KiranNag
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  4. K. Akhil
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Correspondence to S. Nagendram.

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This article is part of the topical collection “Data Science and Communication” guest-edited by Kamesh Namudri, Naveen Chilamkurti, Sushma S J and S. Padmashree.

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Nagendram, S., Kanakaraja, P., KiranNag, M.S.R. et al. Design and Implementation of Low-Cost Smart Home System with Sensor Multiplexing. SN COMPUT. SCI. 2, 199 (2021). https://doi.org/10.1007/s42979-021-00602-y

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  • DOI: https://doi.org/10.1007/s42979-021-00602-y

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