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

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 ...

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 ...