Create a new folder called "LiquidCrystal_I2C" under the folder named "libraries" in your Arduino sketchbook folder. Create the folder "libraries" in case it does not exist yet. Place all the files in ...

This project implements a real-time digital clock system using the ATmega32 microcontroller. The system displays time and date on a 16x2 LCD and supports manual adjustment of hours, minutes, date, and ...

Power on the Arduino. The LCD shows “Please scan your RFID card.” A student taps their RFID card on the reader. The system checks the card: If valid: LCD shows a welcome message, green LED blinks, ...