30, January 2026

Design of a Visible Light Communication System for Text Data

VOLUME-12; ISSUE-1; JAN-2026

Author(s): Gauri Wankhede,  Maheshwari Swami,  Gayatri Udawant,  Dr. Kalpana Paithane

Authors Affiliations:

1,2,3 Student,      4Professor

1,2,3,4Department of Electronics and Telecommunication Engineering, M.G.M’s College of Engineering,

Nanded, India

DOIs:10.2015/IJIRMF/202601028     |     Paper ID: IJIRMF202601028


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Abstract: Light Fidelity (Li-Fi) is an emerging wireless communication technology that utilizes visible light instead of radio frequency waves for data transmission. This paper presents the design and implementation of a low-cost Li-Fi data communication system using commonly available hardware components. In the proposed system, data are transmitted by modulating the light emitted from mobile flashlight, while a light dependent resistor (LDR) at the receiver detects variations in light intensity. An Arduino microcontroller is employed for signal processing, enabling effective data encoding and decoding. Experimental results demonstrate that the proposed Li-Fi system offers secure and efficient short-range communication. Although performance is constrained by line-of-sight requirements and susceptibility to ambient light interference, the study highlights the potential of Li-Fi as a reliable alternative to conventional Wi-Fi for indoor and secure wireless communication applications.

     
Key Words: Li-Fi, visible light communication, Arduino, wireless communication, LDR.

Gauri Wankhede,  Maheshwari Swami,  Gayatri Udawant,  Dr. Kalpana Paithane  (2026); Design of a Visible Light Communication System for Text Data,

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