4x3-keypad-lock-system A lock system that uses a 4x3 keypad matrix, and a double lock mechanic. This project is a simple one. To use this you can download the source code and upload to your arduino.

KeypadSim is an Arduino library for simulating a 4x3 matrix keypad. It allows you to queue keypresses programmatically, making it ideal for testing, automation, or simulating user input on devices ...

This little guy, while simple in nature, acts as a fully functional (and portable) keypad on the go! It comes with two main programs, and it connects easily to your Arduino. It can be used to: 1 ...