A 16x2 LCD display plays a crucial role in user interaction, displaying prompts, status messages like "Access Granted" or "Wrong Password!", and guiding users through the process.

Arduino Lcd Keypad Shield Pinout Trending News Amid Deepika Padukone's 8-Hour Work Demand, Genelia Deshmukh Says, "I Work For 10 Hours, It's Not Impossible" ...

Learn to build an RFID based attendance system using Arduino with step-by-step instructions, circuit diagrams, and complete code. This $35 DIY project replaces expensive commercial systems with ...

A secure and customizable Arduino-based smart door locking system featuring PIN authentication, persistent EEPROM state storage, real-time LCD feedback, and keypad input. Built using Arduino Uno, ...

What I Learned Interfacing digital peripherals (keypad, LCD) Handling user input and feedback in real-time Modular embedded system programming ...