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This project explores multiple ways to interact with a 16x2 LCD display using an Arduino Uno and the LiquidCrystal library. Whether you're a beginner learning LCD interfacing or an advanced user ...
PIN Code Access: Secure the system with a 6-digit PIN. LCD Display: 16x2 LCD for user interaction and status updates (e.g., "Enter Pin", "Alarm Active", "Motion Detected"). Keypad Input: A 4x4 matrix ...
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