Arduino Password Door Lock 🔐 | Keypad + Servo + I2C LCD (Easy DIY)
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YouTubeOptimist Tech
Arduino Password Door Lock 🔐 | Keypad + Servo + I2C LCD (Easy DIY)
Build a smart password-based door lock using Arduino Uno, 4x4 keypad, servo motor, and 16x2 I2C LCD. This DIY project is perfect for beginners and helps you understand embedded systems, security systems, and Arduino programming. 🔐 Features: - Password protected door lock - Manual lock using keypad - LCD display for user feedback - Servo ...
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