Hello everyone! I hope you all will be absolutely fine and having fun. Today, we are going to work on Arduino Keypad Interfacing. First of all, I would like to tell you a bit about the keypad. After getting the basic idea about the keypad, we will start our discussion about Arduino Keypad Interfacing. You should also have a look at Interfacing of Keypad with PIC Microcontroller.
In this tutorial, I am going to use a 4×4 keypad. It has sixteen buttons having four alphabetic characters. Let's have a look at the Arduino Keypad Interfacing:
What is Keypad?
The keypad consists of multiple buttons, arranged in the form of a matrix(rows & columns) and is used in embedded projects.
They are cost-efficient and are easily available from online el ...
