A keypad library for Matrix keypad used with arduino This library can be used to work together with a Matrix keypad for Arduino (generally of size 4x3, 3x3 or 4x4). It supports both blocking and ...

This library can be used to work together with a Matrix keypad for Arduino (generally of size 4x3, 3x3 or 4x4). It supports both blocking and non-blocking invocation.See method comments below for more ...

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 ...

4x4 Matrix Keypad Interfacing with 8051 Microcontroller Imagine a world where every input is at your fingertips. With a 4x4 matrix keypad and an 8051 microcontroller, that world is within reach. From ...

Programming is always fun and Arduino is a wonderful platform if you are just getting started with Embedded programming. In this tutorial we will build our own calculator with Arduino. The values can ...

This calculator uses a full 16 button matrix keypad. The Arduino deciphers button pushes with the help of the Keypad library, at which time the appropriate character is displayed on the 2×8 LCD ...