This project demonstrates Li-Fi (Light Fidelity) communication between two Arduino boards using visible light for data transmission. Text data is transmitted using an LED and a 4x4 keypad on the ...
Watching TV in a dark room is the best way to take in the latest cinema or season of your favorite show. In a viewing space with reduced ambient light, colors, contrast, and black levels are able to ...
Recently, ‘Liquid crystal display (LCD) vs. organic light-emitting diode (OLED) display: who wins?’ has become a topic of heated debate. In this review, we perform a systematic and comparative study ...
This project implements a 4x4 matrix keypad scanner on an STM32 microcontroller using direct register access (bare-metal, no HAL or LL libraries). The keypad is scanned by configuring the rows as GPIO ...
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