This project is designed for use with an Arduino Pro Micro and a 4x4 keypad matrix. The code enables the Arduino to read input from the keypad and emulate keyboard input, sending keystrokes to a ...

In the code written in Arduino IDE is demnostrated the work of a matrix keypad consisted of three rows and four columns. The three row pins and four column pins are attached to Arduino board. Assigned ...

A keypad is one of the most commonly used input devices in microprocessor applications. In a standard keypad wired as an X-Y switch matrix, normally-open switches connect a row to a column when ...