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, ...

Code Functionality Keypad Input: The code reads the input from a 4x4 keypad matrix. Keyboard Emulation: Based on the pressed key, the Arduino sends corresponding keystrokes to the computer. Keystroke ...

Posted in Arduino Hacks, home hacks Tagged arduino, arduino keypad lock, automated door lock, keypad ← Deconstructing Apollo Flight Hardware A Nightmare On CNC Street → ...

Part3: An easy way to manually set a 16bit number in an Arduino My idea for manually setting a 16bit number using two potentiometers worked technically, but was not the brilliant method I had ...