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Experiment: Simulating Li-Fi Communication with Arduino

I built a simple Li-Fi system using two Arduino boards, a laser module, an LDR, and an LCD display. This setup demonstrates how data can be transmitted using light pulses instead of traditional radio waves.

How It Works:

Transmitter Circuit: An Arduino connected to a computer or smartphone sends text data via the serial monitor. It converts the text into light pulses using a laser module.

Receiver Circuit: Another Arduino with an LDR detects the light pulses, decodes the signal, and displays the original text on an LCD screen.


This experiment highlights the potential of Li-Fi technology for wireless communication. It uses visible light to transmit data, offering advantages like high-speed transmission and reduced electromagnetic interference.