Charlie Gerard • 2/13/2023

From Wi-Fi to Li-Fi, sending data via light using Arduino and JavaScript

This technical article details a hands-on project to create a Li-Fi (Light Fidelity) system, an alternative to Wi-Fi that uses visible light for data transmission. It explains the core concept, lists required components like Arduino UNO and phototransistors, and provides a step-by-step guide on encoding data (e.g., "Hello, world") into binary light signals using JavaScript and Arduino for both transmission and reception.

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#JavaScript #prototyping #iot