Li-Fi communication system using Arduino UNO, LED, and LDR. Data is transmitted as binary by rapidly switching the LED ON/OFF and decoded by the receiver. Provides high-speed, secure, ...

The Arduino Uno is powered by the ATmega328P, an 8-bit microcontroller that runs at 16 MHz. It has 32 KB of flash memory, 2 KB of SRAM, and 1 KB of EEPROM. The board has 14 digital I/O pins (of which ...