If you want to add a keypad to your Arduino project, the options are pretty limited. There’s that red and blue 4×4 membrane we’ve all seen in password-protected door lock projects,… ...

Description This project is designed to demonstrate a simple password protection system using an Arduino, a keypad, and an LCD display. The user inputs a numerical password via the keypad, which is ...

Posted in computer hacks, Peripherals Hacks Tagged arduino pro micro, keyboard, keyboard hack, keypad, numeric keypad ...

The system continuously accepts two integer inputs (0-9) from the keypad, displaying them in the first two positions of the second line. Non-numeric inputs are ignored. Once both digits are entered, ...

LCD, Keypad, Enclosure Expansion Arduino Shield (video) 9:57 am March 6, 2015 By Julian Horsey ...