In this tutorial, we will learn to interface a keypad with TM4C123 Tiva C Launchpad and programming in Keil uvision IDE. We will use a 4×4 keypad. But you can use a keypad of any size such as 4×3, 3×4, etc. Because the concepts and process to interface a keypad with Tiva C launchpad will … Read more
In this tutorial, we will learn how to interface a 4×3 keypad with STM32 Blue Pill and program it in STM32CubeIDE using HAL libraries. A keypad is an input device that is used to give commands to other devices, from calculators to computers; input is given through the keypad. At first, we will briefly introduce … Read more
This tutorial will focus on the 4×4 keypad and its interfacing and programming with Arduino. We will see how to wire the keypad with an Arduino board and write the program for communication between Arduino and keypad. I recommend you to check this first tutorial on getting started with Arduino Uno R3. In embedded devices, … Read more
In this tutorial, you will learn a very simple method of interfacing a keypad with a PIC microcontroller. Interfacing a keypad with any microcontroller such as PIC16F877A microcontroller involves connecting the keypad to the microcontroller’s GPIO pins and writing a program to read the keypad inputs. Therefore, you should know how to use GPIO pins … Read more