Many laptops eschew the numeric keypad to free up space, and some desktop keyboards have taken on the trend, too. If you want a specialised numeric entry device and have absolutely no interest in ...

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 → ...

This project is a security system for ESP32, allowing users to enter a PIN using a 4x4 membrane keypad. If the PIN is entered correctly, the system displays a message on the LCD screen, and in case of ...