ISSN2320-2882
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Paper Title

OPTIMIZED LI-FI COMMUNICATION SYSTEM USING ARDUINO AND SMARTPHONE FLASHLIGHT FOR ENHANCED DATA RATE AND ACCURACY

Authors

B.DHEERAJ KUMAR , M.BHASKAR , N.SIVALEELA , P.ROHIT , T.JYOTHI KUMARI

Keywords

LiFi Technology, Visible Light Communication (VLC), Arduino UNO, Photodiode Sensor

Abstract

Li-Fi (Light Fidelity) technology is a cutting-edge kind of wireless connection that transmits data using light waves rather than conventional radio frequencies. It investigates the use of Arduino, a widely available and reasonably priced microcontroller platform, for Li-Fi data transfer. A straightforward and effective Li-Fi communication system that is simple to incorporate into a variety of applications is proposed in this research. The system is made up of an Arduino board interfaced with a light-emitting diode (LED) for data transmission and a photodiode for data receiving. In order to facilitate smooth data sharing between devices in a Li-Fi network, a communication protocol must be developed. Unlike the conventional Wireless Fidelity (Wi-Fi) architecture, Light Fidelity (Li-Fi) technology is a wireless communication system that uses the visible light spectrum to deliver data quickly and securely. This paper describes a Li-Fi communication system that makes use of a smart phone. By using the built-in smart phone flashlight as a source to send data and detecting the impact of employing external light detector sensors attached to an Arduino UNO circuit to receive data, this suggested method seeks to maximize the bit rate with high precision. In order to determine which light sensor could achieve a greater data bit rate and to test the system's performance under varying transmitter-receiver distances, four practical experiments were carried out. The evaluation findings showed that the suggested research outperformed the others in terms of data bit rate, reaching over 100 bps with 100% correctness.

How To Cite

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IJCRT — journal style
"OPTIMIZED LI-FI COMMUNICATION SYSTEM USING ARDUINO AND SMARTPHONE FLASHLIGHT FOR ENHANCED DATA RATE AND ACCURACY", IJCRT - International Journal of Creative Research Thoughts (www.ijcrt.org), ISSN:2320-2882, Vol.14, Issue 5, page no.a794-a802, May 2026, Available :https://ijcrt.org/papers/IJCRT2605109.pdf
APA — 7th edition
KUMAR, B. D., M.BHASKAR, N.SIVALEELA, P.ROHIT, & KUMARI, T. J. (2026). OPTIMIZED LI-FI COMMUNICATION SYSTEM USING ARDUINO AND SMARTPHONE FLASHLIGHT FOR ENHANCED DATA RATE AND ACCURACY. International Journal of Creative Research Thoughts, 14(5), a794-a802. https://ijcrt.org/viewpaperforall.php?paper=IJCRT2605109
MLA — 9th edition
KUMAR, B.DHEERAJ, et al. "OPTIMIZED LI-FI COMMUNICATION SYSTEM USING ARDUINO AND SMARTPHONE FLASHLIGHT FOR ENHANCED DATA RATE AND ACCURACY." International Journal of Creative Research Thoughts, vol. 14, no. 5, 2026, pp. a794-a802, https://ijcrt.org/viewpaperforall.php?paper=IJCRT2605109.
Chicago — 17th, bibliography
KUMAR, B.DHEERAJ, et al. "OPTIMIZED LI-FI COMMUNICATION SYSTEM USING ARDUINO AND SMARTPHONE FLASHLIGHT FOR ENHANCED DATA RATE AND ACCURACY." International Journal of Creative Research Thoughts 14, no. 5 (2026): a794-a802. https://ijcrt.org/viewpaperforall.php?paper=IJCRT2605109.
Harvard — author–date
KUMAR, B.D. et al. (2026) 'OPTIMIZED LI-FI COMMUNICATION SYSTEM USING ARDUINO AND SMARTPHONE FLASHLIGHT FOR ENHANCED DATA RATE AND ACCURACY', International Journal of Creative Research Thoughts, 14(5), pp. a794-a802. Available at: https://ijcrt.org/viewpaperforall.php?paper=IJCRT2605109
IEEE — numbered reference
B. D. KUMAR, M.BHASKAR, N.SIVALEELA, P.ROHIT and T. J. KUMARI, "OPTIMIZED LI-FI COMMUNICATION SYSTEM USING ARDUINO AND SMARTPHONE FLASHLIGHT FOR ENHANCED DATA RATE AND ACCURACY," IJCRT, vol. 14, no. 5, pp. a794-a802, May. 2026.
Vancouver — biomedical
KUMAR BD, M.BHASKAR, N.SIVALEELA, P.ROHIT, KUMARI TJ. OPTIMIZED LI-FI COMMUNICATION SYSTEM USING ARDUINO AND SMARTPHONE FLASHLIGHT FOR ENHANCED DATA RATE AND ACCURACY. IJCRT. 2026 May;14(5):a794-a802.
AMA — 11th edition
KUMAR BD, M.BHASKAR, N.SIVALEELA, P.ROHIT, KUMARI TJ. OPTIMIZED LI-FI COMMUNICATION SYSTEM USING ARDUINO AND SMARTPHONE FLASHLIGHT FOR ENHANCED DATA RATE AND ACCURACY. IJCRT. 2026;14(5):a794-a802. Accessed at https://ijcrt.org/viewpaperforall.php?paper=IJCRT2605109
BibTeX — Zotero, Mendeley, LaTeX
@article{IJCRT2605109, author = {B.DHEERAJ KUMAR and M.BHASKAR and N.SIVALEELA and P.ROHIT and T.JYOTHI KUMARI}, title = {OPTIMIZED LI-FI COMMUNICATION SYSTEM USING ARDUINO AND SMARTPHONE FLASHLIGHT FOR ENHANCED DATA RATE AND ACCURACY}, journal = {International Journal of Creative Research Thoughts}, volume = {14}, number = {5}, pages = {a794-a802}, year = {2026}, month = {May}, issn = {2320-2882}, url = {https://ijcrt.org/viewpaperforall.php?paper=IJCRT2605109} }
RIS — EndNote, RefWorks
TY - JOUR AU - KUMAR, B.DHEERAJ AU - M.BHASKAR AU - N.SIVALEELA AU - P.ROHIT AU - KUMARI, T.JYOTHI TI - OPTIMIZED LI-FI COMMUNICATION SYSTEM USING ARDUINO AND SMARTPHONE FLASHLIGHT FOR ENHANCED DATA RATE AND ACCURACY T2 - International Journal of Creative Research Thoughts JA - IJCRT VL - 14 IS - 5 PY - 2026 SN - 2320-2882 UR - https://ijcrt.org/viewpaperforall.php?paper=IJCRT2605109 SP - a794-a802 ER -

Issue

Volume 14 Issue 5, May-2026
Pages : a794-a802

Article Information

Pages
a794-a802
Published
May 2026
Registration ID
IJCRT_307847
Published Paper ID
IJCRT2605109
Research Area
Science and Technology
Author Type
Indian Author
Location
VISHAKAPATNAM, ANDHRA PRADESH, India
Licence
CC BY 4.0 · Open Access
ISSN & Impact Factor
2320-2882 · IF 9.17
Downloads
197

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International Journal of Creative Research Thoughts Published by IJCRT Publication
2320-2882 ISSN
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2013 ESTD Year
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Impact Factor 9.17, calculated from Google Scholar citation data — see how it is worked out.
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Licence

© 2026 — Authors hold the copyright of this article. This work is licensed under a Creative Commons Attribution 4.0 International License and The Open Definition. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (CC BY 4.0), which permits unrestricted use, distribution and reproduction in any medium, provided the original author and source are credited.
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Declarations

Funding

No external funding was received for this study.

Conflict of Interest

The authors declare that they have no conflict of interest.

Acknowledgements

The authors would like to thank the reviewers and the editorial board of International Journal of Creative Research Thoughts for their careful reading and constructive comments, and all colleagues who supported the preparation of this manuscript.

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