Hello there, welcome back to another project using Arduino. in today's project, we will build a 4*3 keypad Security door lock using Arduino Uno.
Security is our main priority in every aspect of our life. So to make sure that our doors in offices or homes are secured and only authorized people can access to enter. We build this project of interfacing 4*3 Keypad with Arduino and Also LCD.

Related Projects
Rfid and Keypad Security Door lock using 8051: [ Ссылка ]
How to Interface Keypad With Arduino: [ Ссылка ]

Download Schematic and Code: [ Ссылка ]

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